41 network security engineer jobs found

Where Warwick What I.T. & Communications Type Contract Salary 300 Daily       We are currently hiring a  Network Security Engineer  for an exciting client engagement. Role:  Network Security Engineer Location: Warwick / Wokingham / Corsham / Farnborough, UK  (Hybrid vast majority of work is expected to be remote however there may be occasional travel to customer sites) Positions: Contract (Outside IR35)   Clearance: Active SC Clearance, Must have BPSS.  .

Where Warwick What I.T. & Communications Type Contract Salary 300 Daily We are currently hiring a Network Security Engineer for an exciting client engagement. Role: Network Security Engineer Location: Warwick / Wokingham / Corsham / Farnborough, UK (Hybrid vast majority of work is expected to be remote however there may be occasional travel to customer sites) Positions: Contract (Outside IR35) Clearance: Active SC Clearance, Must have BPSS. .

Network Security Engineer (SC Cleared) UK Remote/Hybrid 6 Month Contract £380/day (Outside IR35) Network Security Engineer needed with active SC Security Clearance for a 6 Month Contract. Start ASAP in August/September 2026. The vast majority of the work is expected to be remote. However, there may be occasional travel to UK customer sites including - Warwick, Wokingham, Corsham + Farnborough. Working with a global IT Consultancy supporting a leading Telecoms end client: Must have strong hands-on experience of: F5, Zscaler + Palo Alto technologies.  Checkpoint, Juniper, Bluecoat, Cisco Network Solutions Technical Ownership of Customer Security infrastructure estate, processes, procedures, documentation + life cycle management. Acting as technical point of reference + escalation for Security related changes, modifications + projects for firewall rule bases. Technical point of contact for vendor support for security infrastructure incidents. Design of customer networks...

We are currently hiring a Network Security Engineer for an exciting client engagement. Role: Network Security Engineer Location:    Warwick / Wokingham / Corsham / Farnborough, UK (Hybrid – vast majority of work is expected to be remote – however there may be occasional travel to customer sites) Positions: Contract (Outside IR35) Clearance: Active SC Clearance, Must have BPSS. Description DCE Programme – data centre network build Deliverables Technical Ownership of the Customers Security infrastructure estate, processes procedures, documentation and life cycle management. Senior Technical point of reference for all Security related projects, Changes or modifications to firewall rule bases Senior technical point of reference/escalation and interface into vendor support for all Incidence related to the security infrastructure. Design of customer networks including the support of High Level and Low Level designs. Providing...

Network Security Engineer (SC Cleared) UK Remote/Hybrid 6 Month Contract £380/day (Outside IR35) Network Security Engineer needed with active SC Security Clearance for a 6 Month Contract. Start ASAP in August/September 2026. The vast majority of the work is expected to be remote. However, there may be occasional travel to UK customer sites including - Warwick, Wokingham, Corsham + Farnborough. Working with a global IT Consultancy supporting a leading Telecoms end client: Must have strong hands-on experience of: F5, Zscaler + Palo Alto technologies. Checkpoint, Juniper, Bluecoat, Cisco Network Solutions Technical Ownership of Customer Security infrastructure estate, processes, procedures, documentation + life cycle management. Acting as technical point of reference + escalation for Security related changes, modifications + projects for firewall rule bases. Technical point of contact for vendor support for security infrastructure incidents. Design of...

Network Security Engineer (SC Cleared) UK Remote/Hybrid 6 Month Contract £380/day (Outside IR35) Network Security Engineer needed with active SC Security Clearance for a 6 Month Contract. Start ASAP in August/September 2026. The vast majority of the work is expected to be remote. However, there may be occasional travel to UK customer sites including - Warwick, Wokingham, Corsham + Farnborough. Working with a global IT Consultancy supporting a leading Telecoms end client: Must have strong hands-on experience of: F5, Zscaler + Palo Alto technologies. Checkpoint, Juniper, Bluecoat, Cisco Network Solutions Technical Ownership of Customer Security infrastructure estate, processes, procedures, documentation + life cycle management. Acting as technical point of reference + escalation for Security related changes, modifications + projects for Firewall rule bases. Technical point of contact for vendor support for security infrastructure incidents. Design of...

Principal Network Security Consultant A Global Financial Services Organisation requires a Contract Principal Network Security Consultant with deep expertise across network security architecture, WAF, F5, firewalls, network segmentation, VPNs and legacy on-prem infrastructure. IR35 Status: Outside Day Rate: £600-£650pd Travel: 2 days a week in Central London Office Duration: Initial 6 months Responsibilities: Lead the refresh of the organisation’s network security architecture and roadmap, providing senior technical direction across a complex, predominantly on-prem environment within a highly regulated banking/CNI setting. Provide deep network security expertise across WAF, network segmentation, firewall architecture and rule sets, VPN connectivity and legacy network infrastructure, acting as a senior consultant rather than a hands-on engineer. Drive the ongoing uplift of the F5 environment, with strong experience across F5 technologies essential;...

QA Test Infrastructure Engineer - Contract - MOD/Defence Somerset| £600 per day | Outside IR35 | DV Security Clearance Required Are you an Infrastructure Test Engineer with strong QA and testing experience across networks, platforms and Infrastructure as Code? This is an opportunity to work on complex Defence and National Security projects, taking responsibility for testing and validating infrastructure before deployment into highly secure production environments. Working alongside Infrastructure Engineers, Architects and DevSecOps specialists, you'll assure infrastructure across physical, virtualised and cloud environments, ensuring it meets the required standards for functionality, resilience and security. What you'll do Create infrastructure-focused test strategies, plans and test cases. Carry out functional, integration, regression, resilience and security testing. Test and validate Infrastructure as Code deployments. Validate physical, virtualised and cloud...

QA Test Infrastructure Engineer - Contract - MOD/Defence Somerset £600 per day Outside IR35 DV Security Clearance Required Are you an Infrastructure Test Engineer with strong QA and testing experience across networks, platforms and Infrastructure as Code? This is an opportunity to work on complex Defence and National Security projects, taking responsibility for testing and validating infrastructure before deployment into highly secure production environments. Working alongside Infrastructure Engineers, Architects and DevSecOps specialists, you'll assure infrastructure across physical, virtualised and cloud environments, ensuring it meets the required standards for functionality, resilience and security. What you'll do Create infrastructure-focused test strategies, plans and test cases. Carry out functional, integration, regression, resilience and security testing. Test and validate Infrastructure as Code deployments. Validate physical, virtualised and cloud...

QA Test Infrastructure Engineer - Contract - MOD/Defence Somerset| £600 per day | Outside IR35 | DV Security Clearance Required Are you an Infrastructure Test Engineer with strong QA and testing experience across networks, platforms and Infrastructure as Code? This is an opportunity to work on complex Defence and National Security projects, taking responsibility for testing and validating infrastructure before deployment into highly secure production environments. Working alongside Infrastructure Engineers, Architects and DevSecOps specialists, you'll assure infrastructure across physical, virtualised and cloud environments, ensuring it meets the required standards for functionality, resilience and security. What you'll do Create infrastructure-focused test strategies, plans and test cases. Carry out functional, integration, regression, resilience and security testing. Test and validate Infrastructure as Code deployments. Validate physical, virtualised and cloud...

DevOps Engineer - Platform Engineer - Security - CAF - CAF 4 - AWS - 3 month contract - Paying up to £500 per day(Outside IR35) - Immediate starters Overview Supporting a well-known UK digital consumer brand on a critical engagement to evidence compliance with the CAF 4 framework. The role combines hands-on cloud security remediation with compliance documentation and stakeholder reporting, primarily across AWS with some GCP involvement. Key Responsibilities Assess current security controls and identify remediation needed to meet CAF 4 compliance objectives Implement changes across AWS infrastructure (and GCP where needed) - covering IAM, MFA, network segmentation, TLS/encryption, centralised logging, and backup/recovery Produce clear, audit-ready documentation and evidence to support compliance outcomes Work with internal teams and third-party suppliers to validate shared security responsibilities Provide weekly progress updates to senior stakeholders,...

Title: Security Engineer (F5 - Zscaler - Palto Alto) Location: Hybrid - vast majority of work is expected to be remote, however there may be occasional travel to customer sites UK Sites are Warwick , Wokingham , Corsham and Farnborough Duration: 6 months Rolling Contract OUTSIDE IR35 SC clearance required BPSS essential We are looking for an experienced Security Engineer Authority to support a major data centre network build programme . The role will provide senior technical ownership across the security infrastructure estate, including design, change, incident escalation, Firewall rule changes, documentation and life cycle management. Mandatory Skills Recent hands-on experience with F5 Recent hands-on experience with Zscaler Recent hands-on experience with Palo Alto Security infrastructure design and support HLD/LLD production Firewall rule base changes Incident escalation and vendor support Change management...

Senior Infrastructure Engineer – Outside IR35 / MOD / Defence – High Security Clearance £550-£600 per day Outside IR35 (expenses if required) Somerset | On-site DV Cleared Are you an Infrastructure Engineer with strong hands-on experience across networking, storage, virtualisation and Windows infrastructure? This is a contract role working on the build and deployment of infrastructure within a highly secure Defence environment in Somerset. You’ll be working across the physical and virtual infrastructure stack, including Cisco Nexus networking, NetApp storage, Hyper-V, VMware and Windows Server. This is a hands-on engineering position, suited to someone comfortable building, configuring and hardening infrastructure rather than purely supporting an established environment. The role Working alongside infrastructure engineers and architects, you’ll be responsible for areas including: Configuring and hardening Cisco Nexus Leaf/Spine network...

Cyber Security Contractor | Rate: £500.00 - £550.00p/d (Outside IR35) North Yorkshire Are you an experienced Cyber Security professional with a background in Defence or regulated industrial environments, looking for a hands-on contract where you can lead the security workstream on a genuinely high-profile project? Do you enjoy working across the full lifecycle, from threat modelling and risk assessment through to customer-facing assurance documentation? My client is an established manufacturer of precision technology, delivering solutions used across a range of regulated sectors including defence, energy, and industrial environments. They've built a strong reputation for reliability and operational integrity, with products used in demanding and safety-critical settings. Lead Cyber Security Delivery on a Live MOD Project This is a hands-on contract covering the full cyber-security workstream for a specialist monitoring and alarm system, delivered in line with the MOD Secure by...

Senior Infrastructure Engineer - Outside IR35 / MOD / Defence - High Security Clearance £550-£600 per day Outside IR35 (expenses if required) Somerset | On-site DV Cleared Are you an Infrastructure Engineer with strong hands-on experience across networking, storage, virtualisation and Windows infrastructure? This is a contract role working on the build and deployment of infrastructure within a highly secure Defence environment in Somerset. You'll be working across the physical and virtual infrastructure stack, including Cisco Nexus networking, NetApp storage, Hyper-V, VMware and Windows Server. This is a hands-on engineering position, suited to someone comfortable building, configuring and hardening infrastructure rather than purely supporting an established environment. The role Working alongside infrastructure engineers and architects, you'll be responsible for areas including: Configuring and hardening Cisco Nexus Leaf/Spine network infrastructure Initialising and...

Senior Network Engineer - 12 month Day Rate Contract (Outside IR35) Location: London (hybrid working of 3 days per week in the office) Duration: Initial 12 months The role will be responsible for designing and implementing solutions that compliment a dynamic, always growing and evolving global network for one of the leading organizations in financial services. Although the core focus of this role will be to act as a Network Engineer with a solid understanding of Network & IT Infrastructure Fundamentals including protocols, switches, routers/firewalls, it will also include exposure to experience operating within Azure & AWS cloud tenants. You will design and manage the local and wide area networks of our organization to ensure maximum up time for our users. Key Responsibilities: - Develop secure, scalable, and highly available network architectures using technologies like VPNs, VPCs, virtual networks, and load balancers. - Provision, configure, and manage cloud-based...

Senior Infrastructure Engineer - Outside IR35 / MOD / Defence - High Security Clearance £550-£600 per day Outside IR35 (expenses if required) Somerset On-site DV Cleared Are you an Infrastructure Engineer with strong hands-on experience across networking, storage, virtualisation and Windows infrastructure? This is a contract role working on the build and deployment of infrastructure within a highly secure Defence environment in Somerset. You'll be working across the physical and virtual infrastructure stack, including Cisco Nexus networking, NetApp storage, Hyper-V, VMware and Windows Server. This is a hands-on engineering position, suited to someone comfortable building, configuring and hardening infrastructure rather than purely supporting an established environment. The role Working alongside infrastructure engineers and architects, you'll be responsible for areas including: Configuring and hardening Cisco Nexus Leaf/Spine network infrastructure Initialising and...

We have an exciting job opportunity for Security Engineer Authority based in Warwick/Wokingham/Corsham/Farnborough (Hybrid - vast majority of work is expected to be remote - however there may be occasional travel to customer sites) Job type: Contract (Outside IR 35) Note: Need Active SC Clearance Candidates Job Description: Must Have F5, Zscaler & Palo Alto knowledge and recent hands on with these technologies. Nice to have is Checkpoint , Juniper , Bluecoat, and knowledge of Cisco networking solutions including all the major switching families and understanding of Wireless Technologies and Cisco IPT/QoS/802.1x/Inflobox DNS. VPN Technologies (ipsec, SSL VPN, DMVPN and Wide Area network technologies including routing protocols.

Senior Network Engineer - 12 month Day Rate Contract (Outside IR35) Location: London (hybrid working of 3 days per week in the office) Duration: Initial 12 months The role will be responsible for designing and implementing solutions that compliment a dynamic, always growing and evolving global network for one of the leading organizations in financial services. Although the core focus of this role will be to act as a Network Engineer with a solid understanding of Network & IT Infrastructure Fundamentals including protocols, Switches, Routers/Firewalls, it will also include exposure to experience operating within Azure & AWS cloud tenants. You will design and manage the local and wide area networks of our organization to ensure maximum up time for our users. Key Responsibilities: - Develop secure, scalable, and highly available network architectures using technologies like VPNs, VPCs, virtual networks, and load balancers. - Provision, configure, and manage cloud-based...

Senior Infrastructure Engineer - Outside IR35/MOD/Defence - High Security Clearance £550-£600 per day Outside IR35 (expenses if required) Somerset | On-site DV Cleared Are you an Infrastructure Engineer with strong hands-on experience across networking, storage, virtualisation and Windows infrastructure? This is a contract role working on the build and deployment of infrastructure within a highly secure Defence environment in Somerset. You'll be working across the physical and virtual infrastructure stack, including Cisco Nexus networking, NetApp storage, Hyper-V, VMware and Windows Server. This is a hands-on engineering position, suited to someone comfortable building, configuring and hardening infrastructure rather than purely supporting an established environment. The role Working alongside infrastructure engineers and architects, you'll be responsible for areas including: Configuring and hardening Cisco Nexus Leaf/Spine network infrastructure Initialising and...