226 to 250 of 2,148 Network Security Jobs

IBM CIC. In your role, you’ll be encouraged to challenge the norm, investigate ideas outside of your role, and come up with creative solutions which impact a wide network of clients, whom may be at their site or one of our CIC or IBM locations. Our culture of evolution centres on long-term career growth and development opportunities … maintaining our cloud-based platform to support the development and hosting of AI services. Your expertise will be crucial in ensuring the seamless operation of our applications, DevOps, middleware, security, and infrastructure components. Key Responsibilities Provide 24/7 technical support for cloud-based solutions, ensuring high availability and performance across various applications and infrastructure components. Design, build, and … maintain infrastructure and configuration as code using tools like Ansible and Terraform. Administer Dev, Test, and Production environments hosted on Windows, Linux, and Unix servers. Ensure the security and integrity of our systems against cybersecurity threats. Troubleshoot and resolve technical issues involving APIs, application services, IaaS, PaaS, SaaS, microservices, containers, Kubernetes nodes, ICP management, middleware components, network, security More ❯

data, and make their users more resilient against cyber attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web. We are singularly devoted to helping our customers protect their greatest assets … and biggest security risk: their people. That's why we're a leader in next-generation cybersecurity. It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. The Role The members of our Sales Engineering team are highly valued business … to be at Proofpoint! Your day-to-day Collaborate with the sales team to develop and execute targeted account penetration strategies You will design and champion complex People-Centric Security solutions encompassing the entire Proofpoint portfolio Occasionally assist in professional services deployments and technical training, and present or attend industry seminars and/or trade shows Provide valuable customer More ❯

IBM CIC. In your role, you’ll be encouraged to challenge the norm, investigate ideas outside of your role, and come up with creative solutions which impact a wide network of clients, whom may be at their site or one of our CIC or IBM locations. Our culture of evolution centres on long-term career growth and development opportunities … maintaining our cloud-based platform to support the development and hosting of AI services. Your expertise will be crucial in ensuring the seamless operation of our applications, DevOps, middleware, security, and infrastructure components. Key Responsibilities Provide 24/7 technical support for cloud-based solutions, ensuring high availability and performance across various applications and infrastructure components. Design, build, and … maintain infrastructure and configuration as code using tools like Ansible and Terraform. Administer Dev, Test, and Production environments hosted on Windows, Linux, and Unix servers. Ensure the security and integrity of our systems against cybersecurity threats. Troubleshoot and resolve technical issues involving APIs, application services, IaaS, PaaS, SaaS, microservices, containers, Kubernetes nodes, ICP management, middleware components, network, security More ❯

Be responsible for designing, implementing, managing, and optimising IT infrastructure for prestigious financial services clients. This role requires a deep understanding of enterprise IT systems, networking, security, and cloud technologies, playing a crucial part in ensuring infrastructure security and scalability to support critical banking operations. This position involves a mixture of technical support, BAU, and project work, set … Lead infrastructure projects, ensuring alignment with company technology and business strategies. Manage Windows and Linux-based systems, virtualization platforms (VMware, Hyper-V), and cloud services (365 & Azure). Oversee network security, firewalls, VPNs, and cybersecurity measures to ensure compliance with banking regulations. Implement automation and scripting solutions (PowerShell, etc.) to improve operational efficiency. Conduct performance tuning, capacity planning More ❯

IBM CIC. In your role, you'll be encouraged to challenge the norm, investigate ideas outside of your role, and come up with creative solutions which impact a wide network of clients,whom may be at their site or one of our CIC or IBM locations.Our culture of evolution centres on long-term career growth and development opportunities in … maintaining our cloud-based platform to support the development and hosting of AI services. Your expertise will be crucial in ensuring the seamless operation of our applications, DevOps, middleware, security, and infrastructure components. Key Responsibilities: Provide 24/7 technical support for cloud-based solutions, ensuring high availability and performance across various applications and infrastructure components. Design, build, and … maintain infrastructure and configuration as code using tools like Ansible and Terraform. Administer Dev, Test, and Production environments hosted on Windows, Linux, and Unix servers. Ensure the security and integrity of our systems against cybersecurity threats. Troubleshoot and resolve technical issues involving APIs, application services, IaaS, PaaS, SaaS, microservices, containers, Kubernetes nodes, ICP management, middleware components, network, security More ❯

IBM CIC. In your role, you’ll be encouraged to challenge the norm, investigate ideas outside of your role, and come up with creative solutions which impact a wide network of clients,whom may be at their site or one of our CIC or IBM locations.Our culture of evolution centres on long-term career growth and development opportunities in … maintaining our cloud-based platform to support the development and hosting of AI services. Your expertise will be crucial in ensuring the seamless operation of our applications, DevOps, middleware, security, and infrastructure components. Key Responsibilities: Provide 24/7 technical support for cloud-based solutions, ensuring high availability and performance across various applications and infrastructure components. Design, build, and … maintain infrastructure and configuration as code using tools like Ansible and Terraform. Administer Dev, Test, and Production environments hosted on Windows, Linux, and Unix servers. Ensure the security and integrity of our systems against cybersecurity threats. Troubleshoot and resolve technical issues involving APIs, application services, IaaS, PaaS, SaaS, microservices, containers, Kubernetes nodes, ICP management, middleware components, network, security More ❯

IBM CIC. In your role, you’ll be encouraged to challenge the norm, investigate ideas outside of your role, and come up with creative solutions which impact a wide network of clients,whom may be at their site or one of our CIC or IBM locations.Our culture of evolution centres on long-term career growth and development opportunities in … maintaining our cloud-based platform to support the development and hosting of AI services. Your expertise will be crucial in ensuring the seamless operation of our applications, DevOps, middleware, security, and infrastructure components. Key Responsibilities: Provide 24/7 technical support for cloud-based solutions, ensuring high availability and performance across various applications and infrastructure components. Design, build, and … maintain infrastructure and configuration as code using tools like Ansible and Terraform. Administer Dev, Test, and Production environments hosted on Windows, Linux, and Unix servers. Ensure the security and integrity of our systems against cybersecurity threats. Troubleshoot and resolve technical issues involving APIs, application services, IaaS, PaaS, SaaS, microservices, containers, Kubernetes nodes, ICP management, middleware components, network, security More ❯

and post-incident reviews for critical system issues to help ensure production reliability. Establish escalation procedures and ensure timely resolution of system outages or performance degradation. Collaborate with development, network, security, and support teams to diagnose and resolve technical problems. Participate in change management, planning and evaluation, including CAB oversight to ensure stability in a high velocity environment. … focusing on efficiency and automation to reduce repetition and manual tasks. Coordinate with cross-functional teams to eliminate friction and ensure systems comply with company policies, industry standards, and security best practices. Knowledge And Experience Experience in a senior technical role supporting diverse and distributed systems and applications. Experience in team leadership or management that included direct reports and More ❯

Responsibilities Designing, implementing, and overseeing network infrastructures Configuring, supervising, and enhancing firewalls, VPNs, IDS/IPS, and other security measures Investigating and mitigating network and security incidents Maintaining the reliability, efficiency, and protection of the network Offering expertise and assistance to internal teams on IT Recording and maintaining documentation of network infrastructure Partnering with … external service providers Evaluating and deploying emerging technologies Qualifications A degree in computer science, information security, or an equivalent Extensive experience in network and IT security Proficiency with firewalls, VPN technologies, and intrusion detection/prevention Strong understanding of network protocols Certifications like CCNA, CCNP, PCNSE, or similar credentials More ❯

Nexeo is currently looking for a Network Security Engineer Nexeo Belgium is a consultancy company supporting clients in banking, finance, and insurance through transformation projects, from business consulting to IT implementation. As a consultant, you will be part of Nexeo: International environment (Offices in France, Belgium, Luxembourg, Switzerland & Canada) 450+ employees Over 20% growth each year Network Security Engineer - Main Responsibilities: Manage security infrastructure, including Firewalls, Load Balancers, VPNs, and Reverse Proxy systems. Collaborate with stakeholders to define security requirements and ensure system readiness. Perform impact analyses and refine technical, business, and regulatory requirements. Lead security-related projects, such as the deployment of a new Proxy Infrastructure. Work closely with the IT … team, documenting solutions and participating in Agile processes. Provide third-line support for security issues and ensure timely resolution. Write and manage RFPs for security hardware solutions. Profile: Civil/Industrial Engineer or Master's degree. 5+ years of experience in security network engineering, with expertise in F5 WAF, Load Balancers, and Reverse Proxy. Strong understanding More ❯

Agile is Seeking a Classified Engineering Services - Network Engineer. Responsibilities include the following: The Justice Management Division (JMD), Office of the Chief Information Officer (OCIO), National Security Systems (NSS), manages the primary classified data processing systems supporting components within the Department of Justice (DOJ). NSS operates Justice Consolidated Office Network (JCON) systems at the Secret and … OCIO IT Classified Engineering Services Program supports over 1,200 endpoints across more than 400 locations, providing classified data processing systems at Secret and Top Secret/SCI levels. Network Engineer responsibilities: Design, implement, and maintain network infrastructure for the NSS program. Ensure network security and compliance with DOJ standards. Monitor network performance and troubleshoot … issues as they arise. Collaborate with other engineers and stakeholders to optimize network performance. Specific to this program: Ensure network infrastructure supports over 1,200 endpoints located in more than 400 locations. Ensure network security and compliance with DOJ standards for both local and remote sites. Support secure calling and Video Teleconferencing (VTC) capabilities. Qualifications: Bachelor More ❯

Network Security Project Manager wanted for a 3 -6 month contract based in central London £450 a day Inside IR35 5 days in office , may go hybrid working. Must be a highly organized , hands on and technically proficient Project Manager with a strong background in network security to lead and coordinate critical infrastructure and cybersecurity projects. … This role operates on a 24/7 shift rotation , ensuring continuous oversight of security initiatives and incident response coordination. Key Responsibilities and skills Lead and manage end-to-end delivery of network security projects, ensuring alignment with business goals and compliance standards. Coordinate with cross-functional teams including SOC, NOC, IT operations, and external vendors. Oversee … implementation of firewalls, intrusion detection/prevention systems, VPNs, LAN/WAN and other network security technologies. Monitor project progress during all shifts, ensuring timely escalation and resolution of issues. Maintain detailed project documentation, including risk assessments, change logs, and status reports. Support incident response efforts and post-incident reviews during off-hours. Ensure adherence to cybersecurity frameworks More ❯

Social network you want to login/join with: Mid-Level Network Security Engineer, london col-narrow-left Client: Harrington Starr Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 col-wide Job Description: Mid-Level Network Security Engineer Location: London … Moorgate) | 4 Days Onsite Per Week A global energy and commodities business is seeking a Network Security Engineer to join their London-based team. This is an exciting opportunity to work in a technically complex, security-driven environment supporting a wide range of infrastructure and network technologies. Key Responsibilities: Manage and maintain Checkpoint firewalls and Cisco … network infrastructure Support Cisco ISE and Zscaler Internet/Private Access solutions Manage Data Centre colocation and vendor relationships Contribute to IT security prevention and awareness initiatives Deep technical knowledge of Checkpoint firewalls, Cisco routers/switches, and Cisco ISE Experience with Zscaler (ZIA/ZPA), Splunk Strong understanding of IT security practices Cisco CCNA/CCNP More ❯

Mid-Level Network Security Engineer Location: London (Moorgate) | 4 Days Onsite Per Week Salary: Competitive + Excellent Benefits A global energy and commodities business is seeking a Network Security Engineer to join their London-based team. This is an exciting opportunity to work in a technically complex, security-driven environment supporting a wide range of … infrastructure and network technologies. Key Responsibilities: Manage and maintain Checkpoint firewalls and Cisco network infrastructure Support Cisco ISE and Zscaler Internet/Private Access solutions Manage Data Centre colocation and vendor relationships Contribute to IT security prevention and awareness initiatives Essential Experience: Deep technical knowledge of Checkpoint firewalls, Cisco routers/switches, and Cisco ISE Experience with … Zscaler (ZIA/ZPA), Splunk Strong understanding of IT security practices Cisco CCNA/CCNP certification or equivalent Desirable Experience: Background in supporting Windows Server, Linux, Active Directory, and Exchange Familiarity with VMware, VxRail, Rubrik, and backup/recovery processes Exposure to CUCM, LogicMonitor, Mimecast, Okta, and other security tools Benefits Package Includes: Competitive salary (up to More ❯

The job duties of the Network Firewall Engineer are as follows: Act as a subject matter expert for the customer's next generation firewall solution. Maintain firewall operations and document current environment. Incorporate change management into all processes and procedures. Creation of technically detailed reports on firewall block lists, device status, change management, hardware/software upgrades, and other … areas. Analyze and evaluate anomalous network and system activity. Assist in troubleshooting and problem solving a wide variety of client issues. Experience with change control policy and procedures. An understanding of DOD information assurance policy and regulations. Performing analysis of network security needs and contributes to design, integration, and installation of hardware and software. Analyzing, troubleshooting and … correcting network problems remotely and on-site. Maintaining and administering perimeter security systems such as firewalls and intrusion detection systems. REQUIREMENTS • Security+ CE certification or equivalent DOD 8570 baseline certification • Minimum of four (4) years of experience with managing enterprise firewall and VPN solutions. • Bachelor's Degree in a related field or equivalent experience. • Experience with Force Point More ❯

into all processes and procedures. Creation of technically detailed reports on firewall block lists, device status, change management, hardware/software upgrades, and other areas. Analyze and evaluate anomalous network and system activity. Assist in troubleshooting and problem solving a wide variety of client issues. Experience with change control policy and procedures. An understanding of DOD information assurance policy … and regulations. Performing analysis of network security needs and contributes to design, integration, and installation of hardware and software. Analyzing, troubleshooting and correcting network problems remotely and on-site. Maintaining and administering perimeter security systems such as firewalls and intrusion detection systems. REQUIREMENTS Security+ CE certification or equivalent DOD 8570 baseline certification Minimum of four … managing enterprise firewall and VPN solutions. Bachelor's Degree in a related field or equivalent experience. Experience with Force Point, Palo Alto, and Cisco ASA firewalls required. Cisco Certified Network Professional (CCNP) Experience with Cisco Dynamic VPN (DMVPN) technology More ❯

Role Overview: We are seeking an experienced Network Security Engineer with deep technical expertise in identifying, prioritizing, and remediating network vulnerabilities, including zero-day threats , across hybrid environments. The ideal candidate will have a strong security mindset , hands-on experience with vulnerability management tools , and the ability to harden infrastructure using best practices and industry standards. … Key Responsibilities: Analyze and act upon vulnerability assessments from tools such as Tenable, Qualys, AWS Inspector , etc. Remediate common network vulnerabilities including: IP spoofing Use of default credentials Open/unused ports Unencrypted communication protocols (e.g., Telnet, SNMPv1) Missing firmware or OS-level patches Enforce secure alternatives like SSH and SNMPv3 , and ensure TLS 1.2/1.3 is implemented … for encrypted communications. Apply hardening techniques across firewalls, routers, and switches based on CIS Benchmarks , NIST standards , and industry best practices. Configure and maintain robust network security controls such as: ACLs (Access Control Lists) VLAN segmentation DMZ configurations Micro-segmentation for zero trust environments Secure and limit access to network management interfaces by applying least-privilege principles More ❯

Network Boundary Engineer Location: Colorado Springs, CO or Huntsville, AL - ONSITE Reports To: Network Security Manager/IT Director Position Summary: We are seeking a highly motivated and experienced Boundary Engineer to join our dynamic IT team. The Boundary Engineer will be responsible for the design, implementation, maintenance, and support of our enterprise network perimeter infrastructure … with a strong focus on security and reliability. This role requires a deep understanding of networking principles, routing protocols, firewalls, and web application traffic patterns. The ideal candidate will be a customer-focused individual with excellent communication skills and the ability to work both independently and as part of a team. Key Responsibilities: • Design, implement, and maintain network perimeter infrastructure, including routers, switches, firewalls, load balancers, and other network devices. • Configure and troubleshoot network routing protocols (e.g., BGP, OSPF, EIGRP). • Plan, configure, and maintain firewall infrastructure. • Monitor network performance and identify areas for improvement at the network edge. • Troubleshoot network issues and provide timely resolution related to perimeter devices. • Implement and More ❯

Job Title: Network Boundary Engineer Location: Colorado Springs, CO or Huntsville, AL - ONSITE Reports To: Network Security Manager/IT Director Position Summary: We are seeking a highly motivated and experienced Boundary Engineer to join our dynamic IT team. The Boundary Engineer will be responsible for the design, implementation, maintenance, and support of our enterprise network perimeter infrastructure, with a strong focus on security and reliability. This role requires a deep understanding of networking principles, routing protocols, firewalls, and web application traffic patterns. The ideal candidate will be a customer-focused individual with excellent communication skills and the ability to work both independently and as part of a team. Key Responsibilities: • Design, implement, and … maintain network perimeter infrastructure, including routers, switches, firewalls, load balancers, and other network devices. • Configure and troubleshoot network routing protocols (e.g., BGP, OSPF, EIGRP). • Plan, configure, and maintain firewall infrastructure. • Monitor network performance and identify areas for improvement at the network edge. • Troubleshoot network issues and provide timely resolution related to perimeter devices. More ❯

Job Title: Firewall Engineer - Network Security Specialist Location: Leeds Type: Full-Time | Reports To: Network Operations Manager/Head of Managed Services Salary: £45,000 Shift Pattern: Rotating shifts or business hours (based on operational needs) About Us We are a leading cybersecurity reseller and MSP delivering end-to-end security solutions. Our expert team powers … firewall and NOC services expand, we need a skilled NOC/Firewall Engineer with hands-on expertise in Check Point, Fortinet, or Palo Alto Networks to ensure secure, seamless network connectivity. The Role You will be the frontline technical expert in our 24/7 Network Operations Center, owning the daily monitoring, configuration, troubleshooting, and incident resolution of … client firewalls and network security infrastructure. This hands-on position demands sharp technical skills and the ability to thrive in a fast-paced, client-focused environment. What You'll Do Manage & Monitor: Operate client firewalls, VPNs, and network devices using advanced monitoring platforms and vendor tools. Configure & Update: Implement firewall rule changes, security policies, NAT, and More ❯

local and wide area networks of an organization to ensure maximum uptime for users. The role can include designing system configurations, documenting and managing the installation of a new network, and maintaining and upgrading existing systems as necessary. Responsibilities/Qualifications Education and Experience Requirements: BA in computer science, information technology, engineering, or a related field Five years of … experience in network administration Five years of experience configuring Cisco switches Have a Cisco CCO account to create Cisco TAC cases and download IOS updates Current CCNA Security + Cert, TS/SCI Network Design and Implementation: Designing, planning, and implementing LAN (Local Area Network) infrastructure. Configuring and installing Cisco network switches Implementing network security measures Ensuring compliance with security policies and industry standards. Network Maintenance and Troubleshooting: Monitoring network performance and identifying potential issues. Troubleshooting network problems, diagnosing issues, and implementing solutions. Performing regular maintenance tasks, such as software updates and hardware upgrades. Have a Cisco CCO account to create Cisco TAC cases and download IOS updates More ❯

We are seeking a Wide Area Network (WAN) Engineer Subject Matter Expert (SME) with experience working with Software Defined Networking (SDN). You will develop, operate, and maintain complex technology systems using engineering principles, theories, and concepts, and evolve them with advanced technology solutions on-site in the San Diego, CA area. Pay Range: $100,000 to … depending on experience and education. You Will: Develop network topologies and templates from system requirements. Design and implement software-defined networking solutions. Perform systems engineering services in all phases of a project life cycle. Develop and maintain technical system documentation related to system configuration, troubleshooting, and traceability. Develop network templates and IP plans. Develop SDN solutions across software … and hardware to solve problems and implement enhancements. Contribute to team efforts by accomplishing related taskings as needed. You Have: U.S. Citizenship. A Department of Defense (DoD) "Secret" level Security Clearance or be able to obtain an interim clearance prior to hire date. BS degree in STEM field, or 6 years experience supporting engineering of DoD systems. 4+ years More ❯

Network and Security Engineer When you join our Engineering Team at Telent, you'll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing complex and critical work. Help build and keep the nation's critical infrastructure connected and … protected 24/7. As a Network and Security Engineer reporting to the Head of Infrastructure Operations, you'll play a pivotal role in our ongoing digital transformation. You'll help design, implement, and support the systems that power Telent's ICT estate - working on cutting-edge technologies in a role that blends strategy, problem-solving, and hands … working role, with a requirement to be in our Warwick HQ 1-2 days per week, as well as ad-hoc travel on occasion. What You'll Do: Lead network design and architecture for Telent's Corporate Enterprise network - producing, reviewing, and maintaining technical documentation and network schematics. Implement and support advanced network and security More ❯

Network Engineer Job Description: GES is seeking a Network Engineer to join our Defense Enclave Services (DES) team, who will support an extensive digital modernization program critical to DISA and Fourth Estate Agencies. This is a Monday-Friday day shift; however, must be flexible to shift changes depending on mission requirements. Need to be open to Mids or … swing shift, as needed CLEARANCE REQUIREMENT: Must hold an active Secret security clearance and have ability to obtain a Top Secret. (US Citizenship required) PRIMARY RESPONSIBILITIES: Designing, maintaining, and operating Local Area Networks (LANs) and Wide Area Networks (WANs), Wireless, Internet connectivity, and Network Security Maintain existing network equipment, installing new equipment in plant environments. Optimize … end-to-end system performance and dataflow management. Conduct data captures to obtain network performance information. Minimize network latency and maximize data throughput through design analysis and network performance monitoring tools. Provide input to the design of the organization's network and mission architecture. Design solutions, integrate, configure, deploy, test and provide ongoing maintenance for numerous More ❯

CYBER NETWORK OPERATOR: Expert Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Systems is looking for proactive and self-motivated individuals to work as a Cyber Network Operator on a highly technical team conducting remote cyber operations. You should have a minimum … of 7 years of related experience, have a solid background in the Penetration Test/Attack Lifecycle and be able to pivot and exploit while avoiding detection in high-security networks. You will be responsible for all phases of network exploitation and will be able to successfully attack and persist in customer networks which include a diverse set … of network hosts and devices. You should have the ability to build out end-to-end specialized penetration testing and exploitation platforms while working closely with internal and external partners. This job requires experience working in a highly technical environment, mentoring more junior penetration testers, assisting with team projects and being able to complete tasks under a short deadline. More ❯