33 senior network engineer jobs found

Location: Basildon (3-5 days per week onsite) Duration: 6 month contract Rate: £73.40ph LTD (Outside IR35) Role details: We are looking for an experienced Network Engineer to support our defence client on a contract basis. This is not a traditional enterprise networking role. We're particularly interested in candidates who have worked within systems integration, integration & test, trials, or mission click apply for full job details

Network Engineer – Cisco Contract 12 months initial Location: Bradford Rate: Up to £400 per day outside IR35 Clearance: SC Clearance I’m currently recruiting for a Network Engineer to join a specialist team supporting a large-scale public sector network environment. You’ll work across complex Cisco infrastructure, supporting WAN, LAN, Wi-Fi, VPN and data centre connectivity, while contributing to wider technology projects. Key Responsibilities: Support Cisco ACI, Nexus and Catalyst switching environments Manage Cisco and Check Point firewalls, VPNs and network security Support WAN, LAN, Wi-Fi, WLCs, APNs and data centre connectivity Work with Azure/O365 connectivity, Load Balancers and IPAM Troubleshoot and resolve complex network issues Contribute to local, regional and national network projects Required Experience: Strong Network Engineering experience, ideally with Cisco CCNP or equivalent Good knowledge of BGP, OSPF, TCP/IP, VLANs, STP, NAT/PAT and...

Network Engineer - Cisco Contract | 12 months initial Location: Bradford Rate: Up to £400 per day outside IR35 Clearance: SC Clearance I'm currently recruiting for a Network Engineer to join a specialist team supporting a large-scale public sector network environment. You'll work across complex Cisco infrastructure, supporting WAN, LAN, Wi-Fi, VPN and data centre connectivity, while contributing to wider technology projects. Key Responsibilities: Support Cisco ACI, Nexus and Catalyst switching environments Manage Cisco and Check Point Firewalls, VPNs and network security Support WAN, LAN, Wi-Fi, WLCs, APNs and data centre connectivity Work with Azure/O365 connectivity, Load Balancers and IPAM Troubleshoot and resolve complex network issues Contribute to local, regional and national network projects Required Experience: Strong Network Engineering experience, ideally with Cisco CCNP or equivalent Good knowledge of BGP, OSPF, TCP/IP, VLANs, STP, NAT/PAT and...

Location: Basildon (3-5 days per week onsite) Duration: 6 month contract Rate: £73.40ph LTD (Outside IR35) Role details: We are looking for an experienced Network Engineer to support our defence client on a contract basis. This is not a traditional enterprise networking role. We're particularly interested in candidates who have worked within systems integration, integration & test, trials, or mission-critical environments. Key Skills Required: ✅ Recent Time Sensitive Networking (TSN) experience ✅ DDS (Data Distribution Service) ✅ VLAN Configuration ✅ Network Architecture & Deployment ✅ Systems Integration / Integration & Test environments ✅ Real-time, deterministic or safety-critical networking Key Responsibilities not limited to: Develop and maintain network architecture for laboratory environments Support and maintain lab infrastructure and development areas Configuring systems according to Lead Systems Engineer requirements Support integration,...

Location: Basildon (3-5 days per week onsite) Duration: 6 month contract Rate: £73.40ph LTD (Outside IR35) Role details: We are looking for an experienced Network Engineer to support our defence client on a contract basis. This is not a traditional enterprise networking role. We're particularly interested in candidates who have worked within systems integration, integration & test, trials, or mission-critical environments. Key Skills Required: ? Recent Time Sensitive Networking (TSN) experience ? DDS (Data Distribution Service) ? VLAN Configuration ? Network Architecture & Deployment ? Systems Integration / Integration & Test environments ? Real-time, deterministic or safety-critical networking Key Responsibilities not limited to: Develop and maintain network architecture for laboratory environments Support and maintain lab infrastructure and development areas Configuring systems according to Lead Systems Engineer requirements Support...

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...

Join a global financial services organisation where your network security expertise will drive critical infrastructure transformation and shape the future of secure banking operations. Salary:  £600 - 650 per day 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...

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; exposure to Palo...

Senior Cloud Engineer - GCP/Kubernetes We are looking for a Senior Cloud Engineer to take ownership of the cloud infrastructure supporting a major new data platform. This is a hands-on contract role focused on GCP, Kubernetes, infrastructure as code, CI/CD and observability within secure, highly regulated environments. The Role You will desiHqagn, build and operate a distributed cloud platform spanning edge and central Kubernetes clusters. The environment uses a predominantly open-source technology stack, placing particular emphasis on networking, inter-cluster connectivity, platform security and deployment into restricted environments. You will work within an autonomous engineering team, establishing the infrastructure foundations that enable reliable and secure software delivery. Key responsibilities will include: Designing and operating secure, resilient infrastructure within Google Cloud. Building and managing production Kubernetes clusters using GKE. Supporting a...

Senior Test Engineer - Telecoms/Network Infrastructure Testing Duration: 6-12 months FTC IR35: Outside IR35 Start: Immediate Working Pattern: Hybrid, with customer site visits Locations: London/Newbury/Birmingham/Manchester/Glasgow Clearance: Current SC clearance or eligibility to obtain SC clearance We are looking for an experienced Senior Test Engineer to support complex testing services across a broad telecoms, network infrastructure, cloud and connectivity estate. This is a hands-on senior testing role requiring strong experience across telecoms and network infrastructure , with responsibility for test design, execution, defect management, technical assurance and stakeholder engagement. You will work across complex infrastructure environments and multiple test phases, while also providing technical guidance to other Test Engineers. Key Responsibilities Own test design and execution for assigned workstreams. Review requirements,...

Project Engineer - Telecoms/IP Networking Location: Edinburgh - with travel to sites across Scotland Contract: 6 months Rolling Rate: £250 - £270 per day, all inclusive IR35: Outside IR35 A full driving licence and the ability to travel to sites across Scotland. Working Arrangement: 100% Onsite - No Remote Working Location Requirements - Please Read Candidates MUST already be based in Scotland . Relocations from outside Scotland will not be considered. We are particularly interested in candidates based in or around: Edinburgh (EH) Glasgow (G) Ayrshire (KA) Paisley/Renfrewshire/Greenock (PA) Candidates based in the following areas may also be considered: Dumfries (DG) Scottish Borders (TD) The role is 100% onsite and requires travel to project sites across Scotland. There is no remote-working option . Spec: We are looking for an experienced Project Engineer to support the successful delivery of...

Technical Lead 6-Month Contract | (Outside IR35) £500 day rate / Hybrid (Edinburgh / Glasgow) Parity Network is recruiting on behalf of a public sector organisation seeking an experienced Technical Lead for an initial 6-month contract. This is a hybrid role, with team collaboration taking place in Edinburgh or Glasgow as required. About the Role As an experienced Technical Lead / Senior Software Engineer you will join an agile development team working within the Housing Management Registers domain. This is a hands-on technical leadership role requiring strong commercial experience with Java, Spring Boot and OpenShift. You will lead technical solutions, support architectural decision-making and help ensure the development team delivers secure, scalable and maintainable digital services. You will also act as a link between the development team and architecture stakeholders, helping to establish best practices, technical standards and engineering principles. Key Responsibilities...

Greetings from Response Informatics!! We are currently hiring a Senior Testing Engineer for an exciting client engagement. Role: Senior Testing Engineer Location: London / Newbury / Birmingham / Manchester / Glasgow, UK (Hybrid) Positions: Contract (Outside IR35) Clearance: Active SC Clearance / Non SC KEY RESPONSIBILITIES: Own test design and execution for assigned workstreams across the client estate.  Review requirements, HLDs, LLDs and project documentation to identify test scenarios and coverage gaps.  Produce and peer-review test scripts, test cases and execution evidence to sign-off standard.  Lead defect triage, root-cause analysis and retest coordination across delivery, design, engineering and operations teams.  Validate System Integration, Functional, Non-Functional, Disaster Recovery and Operational Acceptance test coverage before execution windows open.  Provide technical guidance and mentoring to Test Engineers; raise the...

Technical Lead 6-Month Contract | (Outside IR35) £500 day rate / Hybrid (Edinburgh / Glasgow) Parity Network is recruiting on behalf of a public sector organisation seeking an experienced Technical Lead for an initial 6-month contract. This is a hybrid role, with team collaboration taking place in Edinburgh or Glasgow as required. About the Role As an experienced Technical Lead / Senior Software Engineer you will join an agile development team working within the Housing Management Registers domain. This is a hands-on technical leadership role requiring strong commercial experience with Java, Spring Boot and OpenShift. You will lead technical solutions, support architectural decision-making and help ensure the development team delivers secure, scalable and maintainable digital services. You will also act as a link between the development team and architecture stakeholders, helping to establish best practices, technical standards and engineering principles. Key...

Senior Infrastructure Engineer Stratford, London On-site £600 per day Outside IR35 UKSV DV Cleared We're looking for an experienced Senior Infrastructure Engineer to support and maintain secure, mission-critical environments within the Government and Defence sector. You'll play a key role in delivering resilient infrastructure solutions across complex legacy estates while supporting ongoing technical improvements. Key Skills & Experience Core Infrastructure Windows Server (2012-2022) Active Directory, Group Policy & Identity Services VMware vSphere / ESXi Microsoft Exchange (On-Premises & Hybrid) DNS, DHCP & PKI Enterprise Storage (NetApp, Dell EMC, HPE) Backup & Recovery Technologies Microsoft SQL Server Linux Administration (RHEL, CentOS, Ubuntu) Networking & Security Cisco Networking Technologies Palo Alto, Check Point or Fortinet Firewalls Secure Remote Access Solutions Network Segmentation Privileged Access...

Senior Infrastructure Engineer Stratford, London | On-site £600 per day Outside IR35 UKSV DV Cleared We're looking for an experienced Senior Infrastructure Engineer to support and maintain secure, mission-critical environments within the Government and Defence sector. You'll play a key role in delivering resilient infrastructure solutions across complex Legacy estates while supporting ongoing technical improvements. Key Skills & Experience Core Infrastructure Windows Server (2012-2022) Active Directory, Group Policy & Identity Services VMware vSphere/ESXi Microsoft Exchange (On-Premises & Hybrid) DNS, DHCP & PKI Enterprise Storage (NetApp, Dell EMC, HPE) Backup & Recovery Technologies Microsoft SQL Server Linux Administration (RHEL, CentOS, Ubuntu) Networking & Security Cisco Networking Technologies Palo Alto, Check Point or Fortinet Firewalls Secure Remote Access Solutions Network Segmentation Privileged Access Management...

Technical Lead 6-Month Contract | (Outside IR35) £500 day rate/Hybrid (Edinburgh/Glasgow) Parity Network is recruiting on behalf of a public sector organisation seeking an experienced Technical Lead for an initial 6-month contract . This is a hybrid role, with team collaboration taking place in Edinburgh or Glasgow as required. About the Role As an experienced Technical Lead/Senior Software Engineer you will join an agile development team working within the Housing Management Registers domain. This is a hands-on technical leadership role requiring strong commercial experience with Java, Spring Boot and OpenShift . You will lead technical solutions, support architectural decision-making and help ensure the development team delivers secure, scalable and maintainable digital services. You will also act as a link between the development team and architecture stakeholders, helping to establish best practices, technical standards and engineering principles. Key...

DevOps Engineer - Platform Engineer - CAF 4 - CAF - 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, including risks,...

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...

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...