1 to 25 of 2,139 Network Security Jobs

Summary Setup, support, and monitor local & global LAN, WLAN, WAN, and VoIP Infrastructure. Perform a variety of network maintenance, installation, and training tasks to ensure LAN/WLAN/WAN/VoIP services meet company and user requirements. Essential Duties and Responsibilities Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Assist with … Infrastructure as a Service (IaaS), and Software as a Service (SaaS) environments in support of Department of Defense (DoD) cloud programs. Serve as overall subject matter expert on cloud Network Administrator technology and market capabilities/trends. Collaborate on detailed network, storage, and compute design documentation to ensure strict security compliance, scalable infrastructure, and highly available computing … operations on existing and future cloud platforms. Maintain, troubleshoot, and support network platforms in existing multi-tenant cloud/virtualized platform on Azure Government (Azure-Gov) and Amazon Web Services Government (AWS-G). Responsible for assessing and facilitating network requests: including firewall policies, VPN, load balancing, cryptography, and network architecture. Design and implement security-first More ❯

maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and … and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries. We are seeking a Network Engineer 1 to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part of a team that designs … engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Responsibilities The Network Engineer 1 is responsible for the design, implementation, configuration, and troubleshooting of the organization's network More ❯

keep our own thinking in tune with the world in which we operate. Office: London (hybrid - 2 days in the office per week) Duration: 12 month FTC The Information Security Team is a central support unit responsible for providing a complete security service to the Walkers. The Security Engineer will report to Information Security Operations Manager … and work with the Information Security Operations team for implementing and maintaining our security controls and tools. Work collaboratively with other departments to improve our security posture. They will be specifically responsible for completing the implementation of a number of strategic based security solutions for new security tooling or existing. The engineer will also participate … in security related service management processes (incident, change and problem management) and will participate in the planning, design, enforcement and review of security controls which protect the integrity of Walkers IT. “The ideal candidate will have worked within a Legal, Financial Services organisation or a similarly regulated company.” There will be an element of change, implementation or scheduled More ❯

Description Company: Arion Systems, Inc. Corporate Headquarters: 15040 Conference Center Drive, Suite 200, Chantilly, VA 20151 POC: Terri Shaulis, Director of Recruiting Email: Telephone: ext 1125 Job Title: Senior Network Engineer Work Location: Chantilly, VA Primary Function: Design, integrate, and test network solutions Secondary Function: Document, maintain, and troubleshoot network implementations Position Summary: We are seeking a … skilled and experienced Senior Network Engineer with 6 to 8 years of hands-on experience in designing, implementing, and maintaining enterprise-level network infrastructure. The ideal candidate will be responsible for the stability, integrity, and performance of enterprise services. This role requires strong problem-solving skills, the ability to work independently, and a strong understanding of security. Primary … Responsibilities: • Design, configure, and maintain LAN, WAN, and cloud-based network solutions to optimize service delivery. • Monitor network performance and troubleshoot issues. • Maintain and upgrade routers, switches, firewalls, and other network devices (Cisco, Juniper, Palo Alto, etc.). • Implement and manage network security measures, including firewall rules, intrusion detection/prevention, and access controls. • Collaborate More ❯

maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and … and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries. We are seeking a Network Engineer 3 to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part of a team that designs … engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Responsibilities The Network Engineer 3 is responsible for the design, implementation, configuration, and troubleshooting of the organization's network More ❯

maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and … and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries. We are seeking a Network Engineer 4 to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part of a team that designs … engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Responsibilities The Network Engineer 4 is responsible for the design, implementation, configuration, and troubleshooting of the organization's network More ❯

year! Want to learn more about our Government Services team? Check us out on our platform: World Wide Technology has an exciting and challenging opportunity available for a Senior Network Engineer supporting an Intelligence Community customer from team from Springfield, VA or St. Louis, MO. What You'll Get to Do: Perform research, requirements analysis, design, installation, documentation, troubleshooting … and sustainment of local- and wide-area network hardware and services. Maintains a thorough knowledge of existing network and/or security hardware and software in use to provide third-tier technical and administrative support, and provide complex internal analysis and support of the network and/or security infrastructure. Acts as the technical interface … with vendors and other external stakeholders and reviews/makes recommendations on network and/or security service/maintenance arrangements. Reviews technical documentation of supported environments to ensure that documentation is accurate and up-to-date. Can install and configure WAN and LAN hardware to include voice, video, and data cable systems. Develops system specifications, architecture designs More ❯

Position Description: We are seeking a Senior Network Engineer Architect to join our team, providing expert-level support in designing, implementing, and securing network infrastructure for a high-security government environment. The ideal candidate will have deep technical expertise in enterprise networking, network security, and architectural design within classified environments. This role requires an active … TS/SCI clearance and a strong background in designing and managing secure, mission-critical networks. As a Senior Network Engineer Architect, you will be responsible for leading network infrastructure projects, ensuring compliance with Department of Defense (DoD) security protocols, and optimizing network performance for classified operations. Key Responsibilities: • Design, implement, and maintain enterprise-level network architectures, ensuring security, scalability, and efficiency. • Develop and enforce network security policies, ensuring compliance with DoD regulations. • Perform risk assessments, vulnerability management, and mitigation strategies for classified network environments. • Lead network troubleshooting efforts, identifying root causes and implementing corrective actions to ensure network reliability. • Work with cross-functional teams to integrate new technologies More ❯

remote (onsite as needed) after the candidate is acclimated to the environment Duration: Long-term, multi-year contract Job Summary: We are seeking an experienced and highly skilled Senior Network Engineer. The successful candidate will be responsible for designing, implementing, managing, and troubleshooting complex network environments, including on-premises infrastructure and cloud-based networks. This role requires expertise … with Palo Alto Firewalls, Cisco Switches, Cisco Identity Services Engine (ISE), Cisco Secure Network Analytics (SNA), Wireless Networking, Secure network implementation best practices, AWS and Azure networking. Key Responsibilities: Design, implement, and manage network infrastructure using Cisco switches, Palo Alto Firewalls, and Cisco ISE. Develop and maintain network security policies and configurations, ensuring optimal protection … and compliance. Implement and support hybrid cloud networking solutions across AWS and Azure environments, including VPCs, Virtual Networks, VPNs, and other related technologies. Troubleshoot and resolve complex network issues, ensuring high availability and performance across all network components. Perform network assessments and audits, making recommendations for improvements. Develop and maintain network documentation, including diagrams, configuration guides More ❯

Job Title: Network Cybersecurity Architect Location: Onsite Colorado Springs, CO, Huntsville, AL Department: Architecture & Engineering Employment Type: Full-Time Permanent Reports To: Chief Architect Overview We are seeking a highly skilled and forward-thinking Network Cybersecurity Architect to lead the design, evolution, and governance of secure network architectures across our enterprise and cloud environments. This is a … strategic and hands-on role at the intersection of network engineering, cybersecurity, automation, and cloud-native design. You will work cross-functionally to embed robust, scalable, and secure networking into our hybrid digital landscape-helping to modernize how our organization protects users, systems, and data. As a champion of Zero Trust, Agile delivery, and security automation, you'll … drive best-in-class security outcomes that enable both resilience and agility. Key Responsibilities • Network Security Architecture: Design and maintain secure, scalable network architectures across cloud, hybrid, and on-premise environments. Define principles, standards, and reusable frameworks. • Zero Trust & Secure Access Design: Lead the implementation of Zero Trust Network Architecture (ZTNA), microsegmentation, and identity-aware More ❯

Job Title: Network Cybersecurity Architect Location: Onsite Colorado Springs, CO, Huntsville, AL Department: Architecture & Engineering Employment Type: Full-Time Permanent Reports To: Chief Architect Overview We are seeking a highly skilled and forward-thinking Network Cybersecurity Architect to lead the design, evolution, and governance of secure network architectures across our enterprise and cloud environments. This is a … strategic and hands-on role at the intersection of network engineering, cybersecurity, automation, and cloud-native design. You will work cross-functionally to embed robust, scalable, and secure networking into our hybrid digital landscape-helping to modernize how our organization protects users, systems, and data. As a champion of Zero Trust, Agile delivery, and security automation, you'll … drive best-in-class security outcomes that enable both resilience and agility. Key Responsibilities • Network Security Architecture: Design and maintain secure, scalable network architectures across cloud, hybrid, and on-premise environments. Define principles, standards, and reusable frameworks. • Zero Trust & Secure Access Design: Lead the implementation of Zero Trust Network Architecture (ZTNA), microsegmentation, and identity-aware More ❯

Job Description Profile IT Specialist - Network and Security administrator Required Education and Certification - - First-level university degree in Computer Science. Information Technology, Engineering, or related field. - Cisco Certified Network Associate - Check Point Certified Security Administrator - Zscaler Certifications - Cisco Certified Network Professional - CISSP - Certified Information Systems Security Professional Required Skills Set - - Excellent understanding of routing … and switching principles. - Excellent knowledge of BGP, LISP and VXLAN applied to Software Defined Access. - Excellent knowledge of SASE/Zero-Trust Network Access (ZTNA) principles. - Excellent understanding of Remote Access Service and Application Delivery technologies. - Good working knowledge of the Information Technology Infrastructure Library (ITIL) framework. - Excellent analytical and problem-solving skills. - Flexibility and team spirit. Ability to … Internet, with the ability to quickly learn and use new software and information management tools. - Fluent professional English (spoken and written, CEFR C1+) Desirable Skills Set - - Thorough understanding of network security technologies (Check Point, Palo Alto, Cisco ASA, Fortinet) - Proficient in AWS and Azure cloud networking technologies - Strong understanding of DNS and DHCP protocols, proficient in Microsoft DHCP More ❯

Your new company - Specialist Global Financial Services Your new role - Permanent - ON SITE 5 Days per week. - UK Only Job Title: IT Security Engineer Job Brief: As the first line of defence in the IT department, the purpose of this role focusses on information security, cybersecurity and data security, including a wide scope of physical security operating systems such as Windows and Linux, network security, firewall and other security devices, application security both development and testing phrases SAST & DAST, terminal security, backup security, third party and supply chain security. We are seeking a skilled IT Security Engineer to identify, investigate, and mitigate potential security risks to protect … the information systems and computer networks. Responsibilities: Design and Implement Security Measures: Develop secure network solutions to defend against advanced cyber threats. Maintain the cybersecurity equipment, including firewall, IPS, WAF, WSUS, ATA, AD policy. Compile and develop cybersecurity policies and procedures, conduct regular reviews. Application Security: Ensure the security of applications by implementing secure coding practices More ❯

needed to advance. Recognized by Forbes as a World's Best Employer and a Best Employer for Women, we value diversity and inclusion. We are seeking a talented Senior Network Engineer to join our global IT team. In this role, you will design, implement, and maintain our network infrastructure and security systems. The ideal candidate will have … extensive experience in network administration, architecture, and security protocols, with a proven ability to troubleshoot and optimize network performance in a multi-cloud environment. Key Responsibilities: Develop, deploy, and manage robust network systems, addressing technical inquiries, offering expert support, and working closely with customers to design solutions and resolve issues. Act as a liaison between the … workforce service team and users, ensuring effective communication and resolution of network issues, with a focus on supporting international Verisk offices. Monitor network performance and ensure system availability and reliability. Implement and oversee security measures, including access authentication. Conduct regular security policy audits and assessments to identify vulnerabilities. Troubleshoot network issues and provide timely resolutions. More ❯

Join to apply for the Senior Network Engineer role at Verisk Get AI-powered advice on this job and more exclusive features. Job Description At Verisk, we empower clients to manage risk with critical data and insights in the insurance, and financial services markets. Join us to build a meaningful career, create lasting business impacts, and receive the support … to mitigate credit, lending, and cyber risks, and we advise companies on complex global issues such as climate change, catastrophes, and geopolitical matters. We are seeking a talented Senior Network Engineer to join our global IT team. In this role, you will design, implement, and maintain our network infrastructure and security systems. The ideal candidate will have … extensive experience in network administration, architecture, and security protocols, with a proven ability to troubleshoot and optimize network performance in a multi-cloud environment. Additionally, you will collaborate with our workforce services team to support our international office locations, providing onsite engagement and fostering strong partnerships. If you are passionate about network engineering and eager to More ❯

vSphere/ESXi, and cloud platforms. Implement and manage Active Directory, Microsoft Exchange, DNS, DHCP, Group Policy, and related services. Plan, schedule, and perform system patches, firmware upgrades, and security hardening in accordance with DISA STIGs, CIS Benchmarks, and NIST 800-53 controls. Conduct vulnerability assessments using tools such as Tenable.SC; remediate findings and document corrective actions. Administer centralized … storage solutions, including SAN/NAS environments and perform backup and recovery operations using enterprise backup tools. Monitor system and network performance using enterprise monitoring platforms (e.g., SolarWinds); implement corrective actions to optimize uptime and availability. Develop and maintain PowerShell and Bash scripts for system automation and configuration management. Manage security controls and audit logs; perform system security audits and provide detailed reports. Support virtualization environments, including hypervisor deployment, resource optimization, and high-availability configurations. Lead incident response for critical system outages and security incidents; provide after-action reporting and mitigation strategies. Maintain compliance with software licensing agreements and support internal and external audits. Provide technical mentorship to junior administrators and collaborate with engineering teams on More ❯

Join to apply for the Senior Network Engineer role at hackajob 20 hours ago Be among the first 25 applicants Join to apply for the Senior Network Engineer role at hackajob Get AI-powered advice on this job and more exclusive features. hackajob is collaborating with Verisk to connect them with exceptional tech professionals for this role. Job … to mitigate credit, lending, and cyber risks, and we advise companies on complex global issues such as climate change, catastrophes, and geopolitical matters. We are seeking a talented Senior Network Engineer to join our global IT team. In this role, you will design, implement, and maintain our network infrastructure and security systems. The ideal candidate will have … extensive experience in network administration, architecture, and security protocols, with a proven ability to troubleshoot and optimize network performance in a multi-cloud environment. Additionally, you will collaborate with our workforce services team to support our international office locations, providing onsite engagement and fostering strong partnerships. If you are passionate about network engineering and eager to More ❯

Hello Associates, Immediate Need for Network Engineers Role: Network Engineer Location: Manassas, VA (at least 4 days onsite) Duration: Long Term Contract (At least 2 years) Clearance: Active Secret Clearance (Top Secret preferred) Top Skills Cisco ISE, Palo Alto, Python or Ansible Key Responsibilities: Design, implement, and manage network infrastructure using Cisco switches, Palo Alto Firewalls, and … Cisco ISE. Develop and maintain network security policies and configurations, ensuring optimal protection and compliance. Implement and support hybrid cloud networking solutions across AWS and Azure environments, including VPCs, Virtual Networks, VPNs, and other related technologies. Troubleshoot and resolve complex network issues, ensuring high availability and performance across all network components. Perform network assessments and … audits, making recommendations for improvements. Develop and maintain network documentation, including diagrams, configuration guides, and operational procedures. Collaborate with other teams to support the integration of network solutions across the enterprise. Monitor network performance and optimize systems for improved efficiency and performance. Required Qualifications: Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent More ❯

Summary: We are seeking an experienced and strategic Network Security Architect to design secure, scalable, and resilient network architectures across the enterprise. The ideal candidate will possess deep knowledge of : Traditional network infrastructure - LAN; WAN; WIFI etc Cybersecurity including Zero Trust Architecture Cloud Security Architecture Be capable of aligning security controls with business objectives … and compliance requirements. Key Responsibilities: Lead the design and implementation of secure network architectures for on-premises, cloud, and hybrid environments. Define network security standards, frameworks, and policies aligned with industry best practices (e.g., NIST, ISO 27001, CIS). Develop and maintain secure designs for firewalls, VPNs, intrusion prevention systems (IPS/IDS), network segmentation, and … zero trust network access (ZTNA). Collaborate with IT, cloud, and cybersecurity teams to ensure secure integration across systems and applications. Lead architectural reviews and assurance of designs working with System Integrators & partner resources. Conduct threat modeling and risk assessments on network infrastructure and recommend mitigations. Support incident response teams during network-related security incidents and More ❯

As an F5 Network Engineer, you will provide technical leadership, oversight, and direction to the Core Transport Network Engineering team and mentors and instructs network engineers on best practices and the execution of network enhancements and upgrades and troubleshooting efforts in a large and complex network environment. You will be responsible for the health and … maintenance of a large, complex networking infrastructure. This includes providing network administration and operational support to more than 8000 networked devices. The F5 Network Engineer will provide comprehensive network administration, security enhancements and remediation, and troubleshooting of network devices such as routers, switches, load balancers, VPNs, 802.11 Wireless, and VoIP. This position requires an understanding … of best practices pertaining to network security and may require the development, deployment, and integration of network security services. The F5 Network Engineer should be able to work both independently and as part of a team. WHAT YOU'LL NEED TO SUCCEED - REQUIRED: Security Clearance: Active Top Secret clearance Certifications: DoD 8570 IAT Level More ❯

Description: Design, maintain, and operate Wireless and Local Area Networks (LANs/WLAN) and Wide Area Networks (WANs), using Infrastructure as Code and Ansible Automation Platform Automate network changes across various vendor platforms and Azure Cloud Assist multifunctional team to help optimize and visualize network operations Conduct data captures to obtain network performance information Provide inputs to … the design of the enterprise's network and mission architecture Evaluate network architectures across platforms to ensure alignment to cloud and network modernization strategies, capabilities, and requirement sets Actively identify opportunities for improvement, including innovations aimed at improving the user experience, improving efficiencies, and lowering sustainment costs Enforce security best practices and guidelines, leveraging knowledge of … security policies, network security, and data security Enterprise Req Skills: Network engineering Router CCNA Cisco routers Firewall WAN Palo Alto Cisco switches Job Title: Senior Network Engineer Top Skills Details: 6+ Years of Experience Working with Network Configuration/Implementation Projects CCNP Level Experience within Network Engineering + LAN/WAN Management More ❯

Sr. Network Support Engineer Fort Huachuca, AZ Secret clearance is required Must be Security+ and CCNA certified ALTA IT Services is seeking a Sr. Network Support Engineer to join our AGUN team in Fort Huachuca, AZ. This is an exciting opportunity to bring your skills to the table and learn new skills as well. This program is a … highly demanding mission and requires expert technical and professional management to support the Army's global wide area network and security infrastructure. You will be supporting a large and complex network migration and operations for the US Army. This role will include leadership of operations support staff and directing operational support activities for a global network. PRIMARY … RESPONSIBILITIES: • Operate and maintain secure network solutions operated as a centralized enterprise capability for the US Army. • Partner with key stakeholders and technical experts to perform legacy environment discovery, assessing current capabilities, configurations, and requirements to provide tier III support for the Army global network. • Analyze and understand secure wide area connectivity inclusive of underlay, overlay, and transport design More ❯

Sr. Network Support Engineer Contract 6 months temp-to-perm Active Secret Clearance Required ONSITE - Ft Huachuca , Phoenix, Arizona Pay Rate: $60-$75/h Certifications Required: • Network Certification which shall meet or exceed a CCNA • Require active DoD IAT Level II (i.e. Security+) certification or equivalent prior to start. ALTA IT Services is seeking a Sr. Network … table and learn new skills as well. This program is a highly demanding mission and requires expert technical and professional management to support the Army's global wide area network and security infrastructure. You will be supporting a large and complex network migration and operations for the US Army. This role will include leadership of operations support … staff and directing operational support activities for a global network. PRIMARY RESPONSIBILITIES: • Operate and maintain secure network solutions operated as a centralized enterprise capability for the US Army. • Partner with key stakeholders and technical experts to perform legacy environment discovery, assessing current capabilities, configurations, and requirements to provide tier III support for the Army global network. • Analyze and understand More ❯

Social network you want to login/join with: We are looking for a security-focused, results-oriented individual who thrives in a collaborative, team-focused culture. You will work closely with IT and OT network managers, suppliers, business stakeholders, service owners, and your team to ensure the delivery of secure, reliable, and resilient network services … across Thames Water. We are seeking a Network Security Manager to lead and manage the end-to-end BAU (Business As Usual) service delivery for network security across Operational Technology (OT) and Information Technology (IT). You will be responsible for maintaining robust security controls, managing suppliers, mitigating operational risk, and ensuring compliance with industry … standards to protect Thames Water's critical infrastructure. What you'll do as a Network Security Manager Network Security Management: Maintain oversight of IT and OT network systems, including VPNs, SDWAN, and firewalls. Ensure all network security services are fit for purpose and aligned with business outcomes. Approve and manage all changes affecting More ❯

We are looking for a security-focused, results-oriented individual who thrives in a collaborative, team-focused culture. You will work closely with IT and OT network managers, suppliers, business stakeholders, service owners, and your team to ensure the delivery of secure, reliable, and resilient network services across Thames Water. We are seeking a Network Security Manager to lead and manage the end-to-end BAU (Business As Usual) service delivery for network security across Operational Technology (OT) and Information Technology (IT). You will be responsible for maintaining robust security controls, managing suppliers, mitigating operational risk, and ensuring compliance with industry standards to protect Thames Water’s critical infrastructure. What you … ll do as a Network Security Manager Network Security Management: Maintain oversight of IT and OT network systems, including VPNs, SDWAN, and firewalls. Ensure all network security services are fit for purpose and aligned with business outcomes. Approve and manage all changes affecting the network threat surface. Governance & Compliance: Ensure network More ❯