1 to 25 of 1,112 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 ❯

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 ❯

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 ❯

Job title Network Security Lead Ref 41240 Division Digital Location Hybrid - Hampton Coal Wharf - TW12 2ES Contract type Permanent Full/Part-time Full-time Hours 36 Salary Offering up to £75,000 per annum depending on experience Job grade C Closing date 17/06/2025 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 More ❯

Are you passionate about Cyber Security and Enterprise Architecture? Do you have senior-level experience as a Cyber Security Professional? Join us to shape the security technology and tooling strategy for HMRC and influence the UK Public Sector. Enjoy a healthy work/life balance while making a significant impact. HMRC are now one of the most … IT Landscape across Multi-Hybrid Cloud Platform. Working in one of the most complex infrastructures across Europe with significant investment and over 1000 changes monthly impacting over 600 services. Security Modernisation is critical to this initiative and our collective success. Now is a great time to join us as we establish a team of outstanding people in the fields … of Security Architecture, Risk Assessment and Testing who will create and run these new and improved technology services. This is a chance to work on services that matter and affect the lives of millions of citizens as well as delivering Government Security services directly across circa 400 Government Departments and Arms-Length Bodies (ALBs). Job description HMRC More ❯

Are you passionate about Cyber Security and Enterprise Architecture? Do you have senior-level experience as a Cyber Security Professional? Join us to shape the security technology and tooling strategy for HMRC and influence the UK Public Sector. Enjoy a healthy work/life balance while making a significant impact. HMRC are now one of the most … IT Landscape across Multi-Hybrid Cloud Platform. Working in one of the most complex infrastructures across Europe with significant investment and over 1000 changes monthly impacting over 600 services. Security Modernisation is critical to this initiative and our collective success. Now is a great time to join us as we establish a team of outstanding people in the fields … of Security Architecture, Risk Assessment and Testing who will create and run these new and improved technology services. This is a chance to work on services that matter and affect the lives of millions of citizens as well as delivering Government Security services directly across circa 400 Government Departments and Arms-Length Bodies (ALBs). Job description HMRC More ❯

Are you passionate about Cyber Security and Enterprise Architecture? Do you have senior-level experience as a Cyber Security Professional? Join us to shape the security technology and tooling strategy for HMRC and influence the UK Public Sector. Enjoy a healthy work/life balance while making a significant impact. HMRC are now one of the most … IT Landscape across Multi-Hybrid Cloud Platform. Working in one of the most complex infrastructures across Europe with significant investment and over 1000 changes monthly impacting over 600 services. Security Modernisation is critical to this initiative and our collective success. Now is a great time to join us as we establish a team of outstanding people in the fields … of Security Architecture, Risk Assessment and Testing who will create and run these new and improved technology services. This is a chance to work on services that matter and affect the lives of millions of citizens as well as delivering Government Security services directly across circa 400 Government Departments and Arms-Length Bodies (ALBs). Job description HMRC More ❯

experience with virtualization technologies such as VMware. • Experience with Red Hat. • Hands on experience with InfoVista. • Must have experience in working with two or more of the following vender network technologies: Cisco, Juniper, Palo Alto, Dell, or AppGate. • Demonstrated experience using ServiceNow. • Demonstrated experience with networking concepts and protocols: LAN, WAN, BGP, TCP/UDP, IPSec, VPN, Routing(L2 …/L3), and Firewalls. • Demonstrate experience in one or more of the following enterprise network management tools such as Palo Alto Panorama, Cisco Prime, Cisco DNA, or Junos Space. • Experience with the following protocols: SFTP, SSH, SCP, SNMP, NTP. • Must be able to work as part of a team to lead troubleshooting and resolve complex network issues. • Excellent … written and verbal communication skills. • Certified Cisco Network Professional (CCNP) or equivalent. • Demonstrated experience in Linux shell scripting. • Experience with GitLab source control and CI/CD pipeline development. • Experience using JIRA and Confluence. • Experience managing trouble tickets and escalations. • Experience with NetSecOps technologies including salt, git, Ansible, Terraform, Puppet and network element managers. • Network Performance Management More ❯

will be responsible for supporting, maintaining, and enhancing the organisation's IT infrastructure with a focus on securing networks, systems, and data. You will troubleshoot complex technical issues, implement security measures, and respond to security incidents to ensure the company's IT systems remain secure, compliant, and resilient. You will work closely with the Group IT support Engineers … provide expert guidance on complex IT and security issues, and be a key player in ensuring the organisation's overall cybersecurity posture remains strong. You will also be involved in proactive security measures, incident response, and disaster recovery planning. This role is office-based at our Coventry site, with travel to other UK sites as required, sometimes at … short notice. Occasional on-call support for urgent issues is also expected. This position is crucial for ensuring the robustness, efficiency, and security of the organisation's IT and cybersecurity systems, protecting sensitive data and fostering a security-conscious culture. Responsibilities Provide expert-level support for escalated IT issues from first-line Engineers, ensuring timely resolution. Troubleshoot hardware More ❯

Access Service Edge) solutions . Your role will involve working closely with customers to understand their business challenges and technical requirements, providing tailored solutions that integrate our networking and network security technologies. You will collaborate with cross-functional teams, including sales, product management, and engineering, to ensure successful sales engagements and customer satisfaction. Key Responsibilities: Engage with enterprise … customers to assess their security and networking needs, positioning our SASE solutions as the best fit. Deliver compelling technical presentations, product demonstrations, and proof-of-concept (PoC) engagements. Collaborate with the sales team to develop effective sales strategies and drive technical wins. Provide deep technical expertise on network security, SD-WAN, zero-trust architecture, cloud security, and remote access solutions . Assist customers in network architecture design , ensuring seamless integration of our solutions. Respond to technical RFPs/RFIs and support proposal development. Conduct technical workshops and product training for customers and internal teams. Represent the company at industry conferences, webinars, and trade shows . Stay up to date with industry trends, threat landscapes More ❯

Senior Network Engineer Job Description Prism is seeking a highly skilled Senior Network Engineer to join our dynamic team. In this role, you will be instrumental in installing, configuring, and maintaining scalable network devices, including Cisco routers, switches, and firewalls. You'll be responsible for designing and implementing secure network access solutions and managing security policies using Cisco ISE to meet our organization's critical requirements. You will continuously monitor network performance and troubleshoot complex issues to ensure system availability and reliability across our enterprise. This position requires close collaboration and partnership with other IT platform teams to support and optimize overall network operations and engineering initiatives. A key aspect of the … role involves implementing and managing our network security architecture, including essential network security patching and upgrades, establishing security baselines, ensuring compliance, and overseeing hardware and software maintenance. You will also provide crucial Level 2/3 escalation support and troubleshooting to resolve incidents and tasks efficiently. Qualifications Skills Required: Education & Experience: Bachelor's degree in More ❯

Job Description: As the Network Boundary Lead, you will play a critical role in securing and managing the organization's network perimeters. You will lead the planning, implementation, and oversight of network boundary defense strategies, including firewall architecture, intrusion detection/prevention systems (IDS/IPS), and other boundary protection technologies. This role requires a deep understanding … of enterprise network infrastructure and cybersecurity best practices, along with strong leadership and communication skills. You'll work closely with IT, cybersecurity, and operations teams to protect the organization's critical information and ensure compliance with Department of Defense (DoD) security standards. Key Responsibilities: Boundary Security & Architecture: • Lead the design, implementation, and maintenance of network boundary … defense systems. • Oversee the configuration and management of firewalls, proxies, and IDS/IPS systems. • Ensure secure connectivity across multiple networks, including classified and unclassified environments. • Develop and maintain network segmentation strategies to minimize risk. Governance & Compliance: • Ensure all boundary defense activities align with DoD cybersecurity requirements and frameworks (e.g., RMF, NIST 800-53). • Maintain security documentation More ❯