63 network security engineer jobs found

Job Title: Network Security Engineer – Vulnerability Management (Tufin & RSA). Canary Wharf, UK Long Term Contract (Inside IR35) Hybrid (2 days a week)   Job Overview We are hiring a Network Security Engineer with strong expertise in Vulnerability Management, network security, and remediation practices . The ideal candidate should have hands-on experience with Tufin for firewall policy management and RSA Authentication Manager for secure access/authentication controls. The role involves identifying vulnerabilities, assessing risks, and driving effective remediation across enterprise environments. Key Responsibilities Identify, analyze, and manage network and system vulnerabilities across the environment Understand vulnerability impact and recommend appropriate fixes, remediation, and mitigation strategies Work closely with infrastructure and security teams to ensure timely closure of vulnerabilities...

Job Summary We are seeking a highly skilled Senior Network Security Engineer to support a strategic Network Security Transformation Program for a leading Insurance customer. The successful candidate will be responsible for designing, implementing, and supporting enterprise network security solutions with a strong focus on Zscaler, Fortinet, and Lumio technologies. This is a hands-on engineering role requiring deep technical expertise in network security operations, security architecture, Firewall management, Zero Trust access, cloud-delivered security, and network visibility platforms. Experience with AI is essential. The ideal candidate will have experience working in large enterprise environments and be comfortable driving security improvements across both traditional and modern network infrastructures. Key Responsibilities Design, implement, and maintain enterprise network security solutions. Engineer and support Zscaler Internet Access (ZIA) and Zscaler...

Job Title: Network Security Engineer – Vulnerability Management (Tufin & RSA). Canary Wharf, UK Long Term Contract (Inside IR35) Hybrid (2 days a week)   Job Overview We are hiring a Network Security Engineer with strong expertise in Vulnerability Management, network security, and remediation practices . The ideal candidate should have hands-on experience with Tufin for firewall policy management and RSA Authentication Manager for secure access/authentication controls. The role involves identifying vulnerabilities, assessing risks, and driving effective remediation across enterprise environments. Key Responsibilities Identify, analyze, and manage network and system vulnerabilities across the environment Understand vulnerability impact and recommend appropriate fixes, remediation, and mitigation strategies Work closely with infrastructure and security teams to ensure timely closure of vulnerabilities...

Job Title: Network Security Engineer – Vulnerability Management (Tufin & RSA). Canary Wharf, UK Long Term Contract (Inside IR35) Hybrid (2 days a week)   Job Overview We are hiring a Network Security Engineer with strong expertise in Vulnerability Management, network security, and remediation practices . The ideal candidate should have hands-on experience with Tufin for firewall policy management and RSA Authentication Manager for secure access/authentication controls. The role involves identifying vulnerabilities, assessing risks, and driving effective remediation across enterprise environments. Key Responsibilities Identify, analyze, and manage network and system vulnerabilities across the environment Understand vulnerability impact and recommend appropriate fixes, remediation, and mitigation strategies Work closely with infrastructure and security teams to ensure timely closure of vulnerabilities...

Senior Cloud Engineer - Contract What is Flagstone? Flagstone is many things. An online savings platform, reinventing how individuals, businesses, and charities manage, protect, and grow their cash. A diverse group of people, bound by a collaborative spirit, and shared purpose. And lastly, a thriving, profitable business – where smart people do their best work. Each definition shares a common thread: our unique culture. It’s our pride and joy. And our competitive advantage. A feel for our culture: To revolutionise the savings market, we need to be at our best. But high performance takes more than talent – it takes a culture of kindness, respect, and growth. That’s why we’re building a diverse, inclusive community, where your voice is heard and valued. Where, with close support and room to develop, you can surpass even your own expectations. And be rewarded for it. We may not change the world, but we  can change the world...

Job Summary We are seeking a highly skilled and motivated Network Engineer to join our dynamic IT team. The successful candidate will be responsible for designing, implementing, maintaining, and supporting our organisation’s network infrastructure. This role offers an excellent opportunity to work with cutting-edge technologies and contribute to the stability and security of our network systems. The ideal applicant will possess a strong background in computer networking, network security, and system administration, with experience across a variety of network protocols and hardware platforms. Duties Design, deploy, and manage complex network architectures including LAN, WAN, MPLS, and SD-WAN solutions. Configure and support network devices such as Cisco routers, switches, ASA firewalls, Juniper devices, and other hardware components. Implement and maintain secure VPNs using IPsec, SSL/TLS protocols, and utilise Cisco ISE for identity management....

World Wide Technology (WWT) is a global technology integrator and supply chain solutions provider. Through our culture of innovation, we inspire, build, and deliver business results, from idea to outcome. World Wide Technology EMEA is looking for an experienced Firewall Security Engineer with strong skills in Checkpoint to support our clients network security infrastructure. The ideal candidate has strong hands-on experience with Check Point firewalls and a solid understanding of enterprise network security. Key Responsibilities: Install, configure, and maintain Check Point firewalls (Gaia OS, Security Gateways, Management Servers) Manage security policies, NAT rules, VPNs (Site-to-Site and Remote Access), and access control lists Monitor firewall performance, logs, and alerts using SmartConsole / SmartEvent / SmartLog Troubleshoot connectivity, routing, and security-related incidents Perform firmware/software upgrades and patch management (Jumbo...

OT/CNI Architects 12 months contract £60-£90 per hour (Inside IR35) 3 days a week on site (PR4) - Preston     Role Purpose / Overview Specialist architects with deep capability in Operational Technology, Industrial Control Systems (ICS/SCADA), and Critical National Infrastructure. Responsible for securing safety-critical environments while maintaining operational integrity and integrating OT into enterprise security frameworks. Key Responsibilities Bridge IT security and safety-critical engineering Secure OT and safety-critical systems without compromising operational integrity Integrate IT, OT and cloud environments under a consistent security approach Perform Zone & Conduit modelling and embed cyber controls Incorporate OT systems into enterprise monitoring and control frameworks Reduce cyber risk in high-hazard environments Key Outcomes OT and safety-critical systems are secured without...

This role is delivered within secure environments. Candidates must be eligible for UK SC and DV clearance and hold UK Citizenship. Opening: Join the Mission At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we are working on a landmark transformation of a cross-government secure IT system. This is an exciting opportunity to help architect a private cloud environment from the ground up and modernize the end-user services that power national decision-making. We don't believe in "billing by the hour" or rigid hierarchies; we are a lean, expert team focused on delivering high-impact technical outcomes. If you are a self-starter who thrives on autonomy and wants to see your engineering or architectural decisions shape the future of sovereign security, we want to...

This role is delivered within secure environments. Candidates must be eligible for UK Security Clearance (SC and DV) and hold UK Citizenship. Opening: Join the Mission At ByDesign Secure, we design and deliver secure-by-default digital platforms for high‑assurance environments. We are currently building a new secure cloud platform based on Google Distributed Cloud (GDC) and are looking for a Security Engineer (SIEM) to lead the design and implementation of its security monitoring and observability capabilities. This role offers the opportunity to build a SIEM capability from the ground up, influence security architecture decisions, and directly support SOC operations protecting critical public‑sector services. About the Opportunity As a Security Engineer (SIEM) at ByDesign Secure, you will be responsible for building and enhancing our security monitoring and detection capabilities across complex environments. You will design and maintain SIEM use cases,...

Role description Senior Data Center Engineer Bristol, UK – Onsite Contractor Inside IR35 or 6 month Fixed Term Employment Contract Infrequent Travel Required to Israel (travel expenses paid)   Are you a hands-on data center expert who thrives on solving complex infrastructure challenges? We’re looking for a Senior Data Center Engineer to lead large-scale, enterprise-grade data center initiatives, driving projects from initial assessment through to full operational readiness. Based in Bristol, this is a high-impact role where you’ll be at the forefront of data center transformation, shaping resilient, scalable environments while partnering directly with clients and senior stakeholders.   What you’ll be doing: Own end-to-end data center transformation programmes: Lead comprehensive assessments of existing data center environments, covering infrastructure, power, cooling, network, and...

Senior and Principal Security Architects £50-£90 per hour (Dependent on experience and level) - Inside IR35 12 month contracts Hybrid - 2/3 days a week on site - Warton (PR4)   **Applicants must have the right to work in the UK** **Successful applicants must be eligible for SC/DV clearance**     Role Purpose / Overview   Highly experienced security architects with strong technical credentials across enterprise, cloud, network and classified environments. Responsible for designing end-to-end secure architectures (HLD/LLD), leading Design Authorities and Technical Design Authorities, and providing architectural assurance across multi-supplier programmes up to TOP SECRET / Above Secret classifications. Ensures Secure-by-Design principles are embedded from the outset across all programmes.   Key Outcomes   Security is consistently embedded into system design across all...

Senior Red Hat Systems Engineer / Linux Engineering Lead Canary Wharf, UK Hybrid (2 days a week) Long Term Contract (Inside IR35)   Seasoned Senior Red Hat Systems Engineer with over 10 years of deep expertise in Red Hat Enterprise Linux (RHEL) , specializing in large-scale infrastructure design, automation, performance optimization, and enterprise platform engineering across on-prem (VMware) and cloud (AWS) environments. Recognized for combining advanced Linux engineering skills with strong leadership , driving operational excellence, mentoring teams, and delivering resilient, secure, and highly automated infrastructure solutions aligned with business and regulatory requirements.   Professional Summary Expert in end-to-end Linux lifecycle management , including patching, OS upgrades, image creation, and large-scale deployments. Extensive experience with Red Hat Satellite , Ansible Automation Platform , and enterprise...

Who Are We? Xcelirate develops technologically-advanced platforms which are accessed by thousands of users every minute! We are proud to offer a workplace where the sharpest developers come together to strategically plan and swiftly execute practices which see us maintain our existing market dominance and attain global expansion. We owe our success to our customers who have seen us grow across a decade, and our talented team who have made that growth possible!   What are we looking for? You're a Principal-Level Engineer first. The tech lead title is almost incidental. It just means you're the person the team orbits around, because that's what happens naturally when you're the one who understands the system most deeply and keeps the clearest head under pressure. The 10% that's people management fits inside your engineering work, not alongside it. You hire, you steer, you unblock, but you do it the way a strong engineer does everything: with good...

SC Cleared Desktop Engineer - 3 months Contract - £240/day via umbrella company - onsite Barrow-in-Furness - SCC FLEX CONTRACT The SC Cleared Desktop Engineer will support end-user computing services with a primary focus on laptop and desktop refresh activities, device builds, and secure deployment. The role plays a key part in delivering a large-scale tech refresh programme, ensuring all devices meet the organisation's CE+ security requirements and operational standards. Your responsibilities as a SC Cleared Desktop Engineer: Build, configure and deploy new laptops and desktops as part of a structured refresh programme. Apply standard images, security baselines, encryption, and CE+-aligned configurations. Install approved applications, drivers and updates, ensuring compatibility and compliance. Migrate user data, profiles and settings from Legacy devices to new hardware. Diagnose and resolve hardware, OS and application issues during build or...

Location: Surrey (Near Croydon), UK Contract Duration: 12 Months Site Coverage: The successful candidate will primarily be based in Surrey (near Croydon) and will also provide onsite support across the following locations: Canterbury Road Worsfold House Cobham Lavender Melrose Whatley Travel between sites is required. About the Role: We are looking for an experienced Desktop Support & Network Support Engineer to join our IT support team on a 12-month contract. This is an excellent opportunity for a hands-on IT professional who enjoys providing exceptional end-user support while maintaining enterprise network infrastructure across multiple locations. You will be responsible for supporting desktop environments, troubleshooting network issues, maintaining Windows infrastructure, and ensuring a high level of service delivery for business users. Key Responsibilities: Desktop Support Provide onsite and remote...

Overview We are seeking a skilled IT Network Technician to join our dynamic technology team. The successful candidate will be responsible for maintaining, supporting, and enhancing our network infrastructure across multiple platforms and environments. The ideal applicant will possess a strong background in computer networking, system administration, and network security, with experience in various protocols and hardware. Scope of Work: Installation/ Troubleshooting. Training Requirements: Accenture Nutanix training will be required by the FE which will be provided online. Engineer onsite requirements (Toolkit): Personal ID (e.g. passport, driving license) * Customer Badge (if supplied) * PPE - where required - Covid PPE is essential * Mobile phone and charger - International calling and hotspot capabilities * Laptop (with charger) - With Putty for Smart hands activities * Yubikey (If supplied) * 1 x 16 GB Dual USB Flash Drive USB 3.0...

About Us   In 2019, the founders were working as engineers solving complex cross-domain problems within government organisations.   TwinStream was formed to bring together their collective expertise and experience into a single business, focused on delivering technical excellence and high-quality service to clients.   Since then, the company has grown to over 100 team members across the UK, with colleagues working both on-site with clients,  hybrid  and remotely from home.     Day Rate: £500 - £650 Location: Hybrid working in Cheltenham (3-4 days) with possible 24/7 call out when on rota   Security Clearance: Must have live DV Clearance      About the role:   Our cross-domain services are used in high-profile government organisations. The demand for these services continues to grow in both scope and scale. We are seeking an...

On behalf of Homes England, we are looking for an ICP Enterprise Data Engineer (Inside IR35) for a January 2027 contract based Remotely with occasional travel to London . Homes England, the government's housing and regeneration agency, plays a central role in tackling the housing challenges the country now faces. We have the appetite, influence, expertise , and resource to drive positive market change, and our mission is to ensure more homes are built in areas of greatest need, improve affordability and create a sustainable housing market. Following the publication of the government's Levelling Up White Paper, Homes England has also been tasked with a core role in spearheading regeneration, partnering with places to reduce economic disparity, empower local leaders and create equal opportunities across the country to ensure communities reach their full potential. As a ICP Enterprise Data Engineer , your main responsibilities will be: Act as the day-to-day...

Job Summary We are seeking a highly skilled and motivated Network Engineer to join our dynamic IT team. The successful candidate will be responsible for designing, implementing, maintaining, and supporting our organisation’s network infrastructure. This role offers an excellent opportunity to work with cutting-edge technologies and contribute to the stability and security of our network systems. The ideal applicant will possess a strong background in computer networking, network security, and system administration, with experience across a variety of network protocols and hardware platforms. Duties Design, deploy, and manage complex network architectures including LAN, WAN, MPLS, and SD-WAN solutions. Configure and support network devices such as Cisco routers, switches, ASA firewalls, Juniper devices, and other hardware components. Implement and maintain secure VPNs using IPsec, SSL/TLS protocols, and utilise Cisco ISE for identity management. Manage...