476 to 500 of 1,124 Network Security Jobs

Job Title: Senior Network Engineer – Arista & Automation (Low-Latency DC Focus) Location: United Kingdom (Remote, with occasional site visits if needed) Day Rate: £420 - £430 (Inside IR35) Contract Type: Long-term rolling contract We are seeking an experienced Senior Network Engineer with a proven background in Arista-based data centre networks and a strong focus on network … will join a highly technical environment supporting the design, deployment, and ongoing optimisation of low-latency, high-availability infrastructure across global data centres. You’ll work with a modern network stack (Arista EOS, CloudVision, Python, Nornir, Ansible) and interface closely with architecture, security, and DevOps teams to drive automation and resiliency in a performance-critical environment. Key Responsibilities … and troubleshoot BGP, EVPN (VXLAN), and Multicast (PIM, IGMP) in complex enterprise environments. Use Arista CloudVision for orchestration, telemetry, and automated configuration management across global environments. Build and maintain network automation scripts using Python, Nornir, and Ansible, ensuring repeatability and alignment with infrastructure-as-code practices. Support large-scale hardware refreshes and migrations from Cisco to Arista, ensuring minimal More ❯

An impressive multinational Telecoms business is looking for an accomplished Senior Information Security Engineer to join its team based in London. Please note, this role is hybrid so you will be required to work in the office 3 days per week. In this role of significant responsibility, you will operate at the cutting edge of technology, protecting the business … from cyber threats. You will design, implement, and maintain security solutions that protect networks, systems, and data. You will identify vulnerabilities, harden systems, respond to threats, and ensure compliance with security best practices and industry standards, including ISO27001. In order to be suitable for this role you must have demonstrable hands-on expertise with monitoring and securing enterprise … class technology estates. You will have proven experience with Cyber Security best practice including the NIST Cloud Security guidelines. You will support ISO 27001 compliance and have strong documentation skills. Experience in the Telco sector and knowledge of the UK Telecom Security Act would be advantageous to your application, as would CISSP and/or CISM accreditation. More ❯

Network Designer - Register Your Interest (Fortinet SD-WAN) Are you an experienced IT Network Designer? Job Title: Network Designer Location: UK (Hybrid - 3 days in office, 2 flexible) At BT, we're not just building networks-we're shaping the future of connectivity for the UK's biggest and most ambitious clients. Our Network Design function … is your chance to join a dynamic team at the forefront of innovation, where your expertise will directly impact the UK's most influential businesses and institutions. As a Network Design Specialist, you'll design transformative network architectures, tackle complex challenges, and collaborate with industry leaders to redefine what connectivity means. If you're passionate about creating solutions … that make a real difference, we want you to help us lead the charge. Key Responsibilities as a Network Designer for BT: Design and implement innovative network solutions tailored to the needs of major UK clients. Promote our services and understand customer needs to develop relevant solutions. Optimise network performance to ensure reliability and scalability for enterprise More ❯

Infrastructure as Code IaC Terraform, SALT and Ansible Prometheus and Grafana, Bash, Bourne, or C Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position. Required: Must be a US Citizen Must have TS/SCI clearance w/active polygraph This position is open to … requires a minimum nine (09) years of direct/relevant experience Level 01 requires a minimum six (06) years of direct/relevant experience Bachelor's degree in a Network Engineering, Systems Engineering, InformationTechnology or related field technical discipline from an accredited college or university is required. Able to obtain an IAT-I certification, such as: A+CE, CCNA-Security, CND, Network+CE, SSCP Relevant experience must be in computer or information systems design/development, programming, information/cyber/network security, vulnerability analysis, penetration testing, computer forensics, information assurance and/or systems engineering. Additionally, must have experience in network or system administration. Strong Linux experience Experience in systems/network administration, application administration More ❯

The Core Networking team is looking for a Network Development Engineer to join our Network Fabric Engineering (NFE) team. As a Network Development Engineer, you will be responsible for building, deploying and scaling the Amazon networks that support AWS, customers, and other business units, across multiple global datacenters. AWS Core Networking is focused on building Data Centers … and the network that allows Data Centers to function efficiently. We own the solutions that allow racks to be aggregated and Data Centers to be interconnected. Core Networking's goal is to balance efficiency, performance and reliability to allow customers access to their applications and data. If you like to work with new technologies and optimizing existing technology and … have experience participating in network/systems support for a large-scale enterprise or service provider environment -we would like to meet you. Your work will play a key role in driving the stability and sustainability of next-generation IP networks. You will work in a team of NDEs focusing on deployment, automation, and scaling, and be part of More ❯

Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Systems is currently looking for proactive and self-motivated individuals for our Linux Threat Hunter positions. In this unique position, you will be working closely with deployed Linux servers dealing with data flows and collection of network … experience for BS degree. REQUIRED SKILLS: • Experience with Linux (CentOS/Debian/Ubuntu) systems administration • Ability to automate tasks through Bash/Perl/Python scripting • Understanding of network layers, protocols and flows • Familiarity with analyzing network traffic/PCAP data using open source, COTS and GOTS tools • Using regular expressions (regex) to develop network signatures … and organizational skills. • Knowledge of the process and techniques for recruiting. • Knowledge writing methods and systems as well as policies and regulations. • Technical certifications in penetration testing or cyber security such as SANS GIAC certifications (GPEN, GXPN, GCIH, GWAPT, GCFA, etc), Offensive Security (OSCP), Certified Ethical Hacker (CEH) • General technical certifications such as CompTIA Network+, Security+, Linux+ More ❯

The Senior Network Engineer is responsible for resolving highly complex network faults and acting as a final point of escalation for 1st, 2nd, and 3rd Line teams. This role involves identifying and resolving complex network issues, delivering service requests, and performing network upgrades. Job Description Responsibilities Ensure all escalated and Major Incidents are resolved within the … major incidents. Design and implement changes to existing customer networks to improve performance. Complete LLD reviews of new customers/projects as part of the operational acceptance process. Prioritize network improvement changes according to risk. Review and approve network changes to be presented to CAB. Collaborate with the Platform Engineering team to enhance network performance and resiliency. … contractual SLAs. About You Technically skilled to Cisco CCNP/Juniper JCIP level, with certification or working towards CCIE/JNCIE. 5+ years of experience in a 3rd line network engineering role. Experience in network security (e.g., Cisco ASA, Juniper, Palo Alto, Fortinet). Experience with load balancers (e.g., F5 Big-IP). Strong understanding of IP More ❯

Germany Frankfurt am Main (Senior) Cloud Network Specialist IT Experienced Permanent Full-Time Level up! Nintendo Co., Ltd., headquartered in Kyoto, Japan, has been providing a wide range of entertainment products and experiences since its founding in 1889, beginning with the manufacture and sale of Hanafuda playing cards. Since the 1983 release of the Family Computer (Famicom) system in … characteristics and work together towards a common goal - to put smiles on the faces of people all over the world. Tasks Designing, implementing, documenting, and optimising cloud and enterprise network solutions Administering, operating, and maintaining cloud-based and on-premise IT infrastructure Monitoring and maintaining cloud networking components and infrastructure services Troubleshooting and resolving issues in cloud environments and … network infrastructures Providing technical support, guidance, and advice to users and stakeholders Analysing system performance, security, and reliability, making recommendations for improvements Ensuring secure and efficient network operations, including IP addressing, routing, firewalls, DNS, DHCP, and VPN management Working with cross-functional teams to identify and implement technology solutions that enhance business operations Staying up to date More ❯

145000.00 Salary Description Overview of position: Seeking an Alternate Subject Matter Expert to work at Buckley SFB. A United States Citizenship and an active Top Secret/SCI DoD Security Clearance are required to be considered for this position. Responsibilities Support Cybersecurity Service Provider (CSSP) and Security Operations Center (SOC) operations within a DoD cybersecurity environment. Conduct threat … and forensic investigations to ensure mission success. Assist in the development and implementation of cybersecurity policies, procedures, and strategies in alignment with DoD standards. Monitor, detect, and respond to security threats using advanced cybersecurity tools and methodologies. Ensure compliance with DoD cybersecurity regulations, including RMF, NIST, and DISA STIGs. Support vulnerability assessments, penetration testing, and security risk assessments. … Preferred Qualifications: Knowledge of cyber threat intelligence, network security, risk management, and incident handling. Strong analytical and problem-solving skills to support security operations. Familiarity with classified DoD cybersecurity environments and compliance requirements. Experience/Skills: 8 years of experience in CSSP/SOC cybersecurity operations within a DoD environment OR A bachelor's degree in information More ❯

As a Senior Cyber Security Analyst, you will be a member of the IT Security Engineering team reporting to the IT Security Engineering Manager. The Senior Cyber Security Analyst provides analysis, support and technology administration activities for the Ace Hardware Cyber Security infrastructure to protect the Ace Hardware corporate IT environment. What you'll do … Build, test, support and improve the IT security infrastructure by: Reviewing security events for threats and risks Identifying and remediating vulnerability risks within the IT infrastructure Performing compliance analysis to maintain a secure architecture Providing hands on support, update and implementation activities for infrastructure components as necessary Interacting with business partners by providing IT security engineering, operational … support, design services and incident/risk mitigation activities What you need to succeed This position requires functional level knowledge of cyber security concepts and network security engineering practices, procedures and infrastructure integration. The incumbent must be capable of effectively articulating IT risk and security solution concepts into statements that are clearly understood Education Requirements Bachelor More ❯

We are partnered with a forward-thinking and growing technology solutions provider seeking a skilled and motivated Network Engineer to join this expanding team. This role is ideal for someone passionate about networking, problem-solving, and delivering high-quality solutions to customers. You will play a crucial role in supporting UK-cleared customers, ensuring seamless network operations, and … on-site and remote support to customers, ensuring their technical needs are met. Work closely with clients to ensure smooth deployment and ongoing operational success. Diagnose, troubleshoot, and resolve network-related issues efficiently. Act as the first escalation point for technical challenges, referring complex cases to senior engineers when necessary. Conduct thorough testing of network hardware, software, and … design specifications and operational requirements. Collaborate with team members to share insights and best practices. Participate in training programs to enhance technical proficiency. Maintain detailed records of troubleshooting steps, network configurations, and customer interactions. Provide clear technical updates and progress reports to project managers and clients. Skills & Experience: Security Clearance: SC Clearance is essential; candidates must already hold More ❯

Senior Network Specialist Bradford £60,000 - £80,000 + great benefits A Senior Network Engineer is needed to join a well-established and growing ISP in West Yorkshire. In this role, you will design and implement high-performance solutions, lead on technical problem resolution whilst also support junior engineers. Due to the nature of the business, this role … will be client-facing so excellent communication and stakeholder management skills are essential. As a Senior Network Engineer, you will be working to identify and implement automation opportunities as part of the wider technical team. You will deliver the technical strategy whilst acting as the escalation point for queries within the Network Team. You will research and evaluate … technologies and solutions, providing recommendations for service improvements. This role will be joining a business with more than 20 years of success behind them, and they require a Senior Network Engineer to help continue this. This role will be on site in Bradford. Should you wish to discuss flexibility, please dont hesitate to reach out. Package: 5 hours per More ❯

initially and then transition to onsite in Manassas, VA within the first year. Our Customer's Mission: Team Epsilon has been chosen to deliver full-spectrum IT and Cyber Security support to a critical and enduring multinational organization within the United States Department of Defense. This DoD organization manages the resourcing, development and sustainment of one of our nation … environments, supporting international partners and foreign military sales (FMS) clients, providing top-tier desk-side support, and offering adaptable enterprise infrastructure solutions. Our services, ranging from systems administration and network engineering to Information security and data center management, are essential to the mission's success, so we're looking for team members who are committed to delivering excellence … II collaborates with senior team members to ensure systems are secure, compliant, and properly configured according to federal regulations. Additionally, in this position you will: Strengthen Our Defense: Perform Security Technical Implementation (STIG) review, Self-Assessment, and participate in Assessment & Authorizations testing to ensure our system stay secure and compliant. Shape Security Policy: use your expertise to apply More ❯

initially and then transition to onsite in Manassas, VA within the first year. Our Customer's Mission: Team Epsilon has been chosen to deliver full-spectrum IT and Cyber Security support to a critical and enduring multinational organization within the United States Department of Defense. This DoD organization manages the resourcing, development and sustainment of one of our nation … environments, supporting international partners and foreign military sales (FMS) clients, providing top-tier desk-side support, and offering adaptable enterprise infrastructure solutions. Our services, ranging from systems administration and network engineering to Information security and data center management, are essential to the mission's success, so we're looking for team members who are committed to delivering excellence … II collaborates with senior team members to ensure systems are secure, compliant, and properly configured according to federal regulations. Additionally, in this position you will: Strengthen Our Defense: Perform Security Technical Implementation (STIG) review, Self-Assessment, and participate in Assessment & Authorizations testing to ensure our system stay secure and compliant. Shape Security Policy: use your expertise to apply More ❯

TECHNICAL OPERATOR: Full Performance Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Systems is currently looking for proactive and self-motivated individuals for our Technical Operator positions to work closely with our Penetration Testers. You should have multiple years conducting targeting in support of … cyber operations, specifically conducting vulnerability research on targets and systems to gain network/system access. You should have experience developing technical operation plans and gaining approval to execute them, briefing options and risks, understanding technical aspects of plans and collaborating across other offices and/or the IC as necessary. You should understand the ops life cycle, be … and organizational skills. • Knowledge of the process and techniques for recruiting. • Knowledge writing methods and systems as well as policies and regulations. • Technical certifications in penetration testing or cyber security such as SANS GIAC certifications (GPEN, GXPN, GCIH, GWAPT, GCFA, etc), Offensive Security (OSCP), Certified Ethical Hacker (CEH) • General technical certifications such as CompTIA Network+, Security+, Linux+ More ❯

Specialist Senior Level(Key Person Task Area Lead) Task Area 6: Component Risk Management and Compliance/Senior Risk Analyst Certification Required: CISSP or CISM or CSSP or CAP Security Clearance Required: Top Secret Required Years of Experience: 8 Job Location: Currently remote due to COVID and building renovations. Must be in or willing to move to the National … and monitors DHS MGMT systems OA requirements Provide Customer Service Support on internal DHS processes, methodologies, and guidance. Provide architecture advisement to the government including, but not limited to, network security and engineering, active directory design and implementation, application integration, and system hierarchy. Leverage the DHS ticketing system to track all work requests and projects ensuring work efforts … participate in, and sometimes run the monthly Organizational Risk Management Board (ORMB) meeting to include release of meeting minutes to attendeesMethodologies, Strategic Plans, Guidance documents and policy memos with security authorizations, inventory, security training program, policy, and procedures and guidelines. Review and analyze DHS policy to identify discrepancies. Develop, maintain, and update Guidance, Standard Operating Procedures, Templates, Knowledge More ❯

office. Purpose of the Role Primark Technology is on a transformation journey supporting the business strategy which includes modernising our operating model as well as technology architecture and Cyber Security and Risk posture. This role is key in building and improving Primark's Cyber Security posture. Duties & Responsibilities Actively progress and improve Primark's cyber security posture … Agile delivery methodology and development methods Certified with appropriate qualifications is desirable, 1. Structured Project Management : Prince/PMP 2. Agile certification, such as Scrum, SaFe, AgilePM 3. Information Security/Data Protection certification An appropriate degree, equivalent qualification or experience Desirable Be a passionate and visionary technologist able to inspire others to challenge and disrupt the current reality … ways to translate that into business opportunities. Be able to take people along with you, empowering new ways of working and successfully executing on those opportunities. Have extensive cyber security delivery and programme/project management experience, Retail experience would be beneficial. Be technically strong across a range of IT disciplines and systems, including cloud and network security. More ❯

automation and continuous delivery methods Proficiency in all aspects of the Software Development Life Cycle Advanced understanding of agile methodologies such as continuous integration and delivery, application resiliency, and security Demonstrated proficiency in software applications and technical processes within a technical discipline (e.g., public cloud, artificial intelligence, machine learning, mobile, etc.) In-depth knowledge of the financial services industry … or more software and applications Ability to evaluate current and emerging technologies to recommend the best solutions for the future state architecture Preferred qualifications, capabilities, and skills Knowledge of network security architecture concepts, including topology, protocols, components, and principles would be advantageous Prior experience in cybersecurity design/engineering would be advantageous Prior experience in disaster and/ More ❯

Job Title: VMware NSX Security Consultant Experience: 8–12 Years Job Type: [Full-Time/Contract] Job Summary: We are seeking a highly skilled VMware NSX Security Consultant with deep expertise in Application & Networking Security (ANS). This role demands a strategic thinker with hands-on capabilities in designing, implementing, and securing modern data center networks using … VMware’s full NSX security stack. Key Responsibilities: Architect, deploy, and manage NSX-T based security solutions as part of VMware Cloud Foundation (VCF) implementations. Design and implement Zero Trust Micro-Segmentation policies using NSX Distributed Firewall (DFW) for application-centric security. Deliver secure and scalable application services using the VMware Avi Load Balancer. Configure and operationalize VMware … vDefend Advanced Threat Prevention, including IDS/IPS, malware detection, and network sandboxing. Provide network and security visibility using vRealize Network Insight (vRNI). Experience with NSX automation and orchestration tools (Terraform, Ansible, Power CLI). Familiarity with container networking and NSX integrations with Kubernetes (Tanzu, etc.). Strong communication and client-facing skills. Experience in More ❯

months Location: Fully remote/WFH Overview: As Zscaler Consultant you will be a senior member of the team responsible for designing, configuring, implementing, and optimizing Zscaler AI Firewall security solutions for our client. Your deep expertise in Zscaler products, familiarity with AI solutions, and understanding of security operations will be instrumental in securing our customers' AI implementations … network by ensuring efficient traffic inspection and protection. Key Responsibilities: Solution Design: Lead the design of Zscaler-based AI Firewall solutions, considering the customer's unique requirements, AI use cases and industry best practices. Create comprehensive architecture plans and AI Firewall security policies. Implementation: Oversee the deployment and configuration of Zscaler AI Firewall, including security policies and … detections. Collaborate with cross-functional teams to integrate AI Firewall services into broader Zscaler solutions and customer security operations. AI Network Security: Ensure that Zscaler AI Firewall deployments integrate smoothly into customer AI implementations and provide robust security measures while protecting customer data and privacy. Implement policies and access controls to protect against cyber threats effectively. More ❯

months Location: Fully remote/WFH Overview: As Zscaler Consultant you will be a senior member of the team responsible for designing, configuring, implementing, and optimizing Zscaler AI Firewall security solutions for our client. Your deep expertise in Zscaler products, familiarity with AI solutions, and understanding of security operations will be instrumental in securing our customers’ AI implementations … network by ensuring efficient traffic inspection and protection. Key Responsibilities: Solution Design: Lead the design of Zscaler-based AI Firewall solutions, considering the customer's unique requirements, AI use cases and industry best practices. Create comprehensive architecture plans and AI Firewall security policies. Implementation: Oversee the deployment and configuration of Zscaler AI Firewall, including security policies and … detections. Collaborate with cross-functional teams to integrate AI Firewall services into broader Zscaler solutions and customer security operations. AI Network Security: Ensure that Zscaler AI Firewall deployments integrate smoothly into customer AI implementations and provide robust security measures while protecting customer data and privacy. Implement policies and access controls to protect against cyber threats effectively. More ❯

NOC/Firewall Engineer - Network Security | Leeds/Hybrid | £35-50k DOE Hours : 8am - 4.30pm/9.30am - 6pm Following probation 1 week in 4 you will be required to be on call 6pm - 8am (home based) where you will receive additional remuneration + overtime. This includes weekends. About the Role Join a 24/7 Network Operations Center (NOC) as a NOC/Firewall Engineer , where you’ll be the frontline defender of client network security. This hands-on role is perfect for a detail-oriented engineer who thrives on troubleshooting firewalls, optimising policies, and resolving critical incidents across Check Point, Fortinet, and Palo Alto environments. Key Responsibilities Firewall Management : Configure, monitor, and troubleshoot … firewalls (rules, NAT, VPNs) for global clients.? Incident Response : Investigate alerts, resolve connectivity/performance issues, and escalate per SLAs.? Security Policies : Implement and audit firewall rulesets to mitigate risks.? Collaboration : Work with SOC and engineering teams to resolve complex threats.? Documentation : Log changes/actions in ticketing systems (e.g., ServiceNow) and update clients.? Onboarding : Integrate new client devices More ❯

Life on the team At Computacenter, we support enterprise-scale organisations in securing their digital operations and advancing their security strategies. As part of our Group Professional Services (GPS) division, youll join a network of over 1,000 technology professionals who collaborate across borders to deliver industry-leading solutions. This role offers the opportunity to shape and deliver … cutting-edge security architectures that span Secure Access Service Edge (SASE), identity and access management, cloud security, and data centre protection. As a Technology Architect (Security), you'll work directly with major enterprise customers, playing a strategic role in advisory, design, and technical delivery. What you'll do Provide expert guidance across SASE/SSE, PAM, detection … and data centre security technologies Lead customer engagements, providing advisory services, architecture guidance, roadmap planning, and solution governance Define and document high-level solution designs, technical requirements, and delivery frameworks Act as Technical or Design Authority for enterprise-scale customer programmes Engage in strategic customer meetings to translate business needs into technical strategy Collaborate with vendors and partners (notably More ❯

relationships. Expertise in remote and on-site support Technical skills should include: Cisco Expertise: In-depth knowledge of Cisco routers and switches Networking: TCP/IP connectivity and IT security expertise Firewall configuration, management and reporting (Fortinet) Windows Server Administration: 2016, 2019, and Server 2022 High-Level Communication Skills: Both written and verbal Device Support: Windows 10/… and Apple devices, experience with Intune, Apple, and Meraki MDM Backup Technologies and Disaster Recovery Microsoft SQL Server: Experience advantageous What we are looking for? Network Design and Implementation - Architecting scalable networking solutions based on individual business requirements. Working with senior management to define Aegis policies and procedures. Creating network topologies and diagrams. Create recommendations for network hardware and software to improve service and profitability. Implementing new network technologies and upgrades. Support, Network Maintenance and Troubleshooting - Monitoring network performance and identifying potential issues. Conduct problem analysis and investigation. Diagnosing and resolving complex network problems. Ensure all systems are monitored and backed up at agreed intervals. Performing routine network maintenance checks. Escalating More ❯

professional looking for a new challenge, we want to hear from you! What You’ll Do As an IT Support Technician, you'll play a pivotal role in: Supporting network and IT systems: Troubleshooting hardware, software, and network issues to keep operations running smoothly. Optimising system performance: Monitoring network traffic and resolving technical issues in a timely … manner. Collaborating with the technical team: Assisting the Network Manager in the installation, configuration, and maintenance of servers and network devices. Maintaining security: Supporting network security improvements, including VPN setup and data protection. Working on exciting projects: Collaborating on key IT tasks and projects, including potential support for proprietary hardware, satellite, AV, and CCTV equipment. … Microsoft 365 and Teams, with the ability to troubleshoot and optimise Experience with hardware and software troubleshooting, including desktops, laptops, and networked devices Solid understanding of IT infrastructure and security best practices Excellent communication skills, with a focus on customer service Desirable Experience: Experience with Active Directory (on-premises and Azure Active Directory) In-depth networking knowledge, including TCP More ❯