12 network architect jobs found

Network Architect £375pd Inside IR35 Warwick - Hybrid, 1 day WFO per week 3 months (with possible extension to 1 year or more) My client is seeking an experienced Citrix NetScaler (ADC) resource responsible for the design, implementation, configuration, and support of application delivery and load balancing solutions. The role involves ensuring high availability, performance optimization, and secure application access across enterprise environments. * Design, deploy, and manage Citrix NetScaler (ADC) appliances (VPX/MPX/SDX). * Configure and maintain load balancing (L4/L7), SSL offloading, content switching and certificate management * Provide L2/L3 support and resolve incidents, problems, and service requests * Participate in upgrades, patching, and lifecycle management of NetScaler devices. * Knowledge in Network architecture (LAN/WAN/DC) * Knowledge in networking (BGP, OSPF, Cisco ACI) * Security & segmentation (Zero Trust, firewalls)

Network Architect +18 months + +DV cleared +On site in Hampshire +Outside IR35 +£600-£700 a day We are seeking an experienced Network Architect to join a high-profile MOD programme delivering secure, mission-critical network capabilities. This is a hands-on architecture role requiring deep technical expertise across modern data centre and wide area networking technologies. Working within a highly secure environment, you will be responsible for designing, assuring and evolving complex network architectures that support large-scale digital transformation and operational requirements. Key Responsibilities Design and develop secure network architectures for enterprise and defence environments. Produce high and low-level network designs, technical documentation and implementation plans. Lead network architecture decisions across data centre, campus and WAN environments. Provide technical assurance and governance throughout the project lifecycle. Collaborate with engineering,...

Network Architect +18 months + +DV cleared +On site in Hampshire +Outside IR35 +£650-£700 a day We are seeking an experienced Network Architect to join a high-profile MOD programme delivering secure, mission-critical network capabilities. This is a hands-on architecture role requiring deep technical expertise across modern data centre and wide area networking technologies. Working within a highly secure environment, you will be responsible for designing, assuring and evolving complex network architectures that support large-scale digital transformation and operational requirements. Key Responsibilities Design and develop secure network architectures for enterprise and defence environments. Produce high and low-level network designs, technical documentation and implementation plans. Lead network architecture decisions across data centre, campus and WAN environments. Provide technical assurance and governance throughout the project lifecycle. Collaborate with engineering,...

Network Architect - DV Cleared 15+ Month Contract Outside IR35 £650-£750 per day On-site in Hampshire Active DV Clearance required before applicationWe're recruiting for an experienced DV Cleared Network Architect to join a major MOD programme delivering highly secure, mission-critical network infrastructure. This is a long-term contract offering the opportunity to shape complex network architectures within one of the UK's most technically challenging environments. You'll play a key role in the design, assurance and evolution of secure enterprise network solutions, working alongside engineering, security and delivery teams to support large-scale digital transformation. What You'll Be Doing Design secure, resilient network architectures for enterprise and defence environments. Produce High-Level Designs (HLDs), Low-Level Designs (LLDs) and supporting technical documentation. Lead architecture decisions across data centre, campus and WAN environments. Provide technical governance...

Our client, a prominent player in the Defence & Security sector, is seeking a Security Cleared Senior Network Engineer on a contract basis to support the delivery and optimisation of Cisco ISE (Identity Services Engine) and enterprise wireless (Catalyst 9800) platforms. This hands-on role focuses on engineering, troubleshooting, and implementation, particularly across secure network access (802.1X), policy enforcement, and wireless integration. You will play a key role in resolving complex issues, supporting upgrades, and ensuring stable, secure operation of critical network services. Key Responsibilities: Lead the design, build, and replacement of legacy Cisco Wireless infrastructure with modern Cisco Catalyst 9800 WLC architecture, ensuring scalable, resilient, and high-performance wireless services Define and deliver end-to-end wireless migration strategies, including planning, staging, cutover execution, and post-implementation optimisation Architect and implement...

Job Title: Network Infrastructure Specialist Job Type: Contract, Hybrid (2-3 days onsite) Duration: 6 Months Industry: FMCG/IT Job Location: Southampton (UK travel required) Rate: £550/day to £700/day (Outside IR35) Profile – Network Infrastructure Specialist Our client is a leading figurehead in the UK food sector, with an unparalleled pedigree dating back to the early 18th century. They are currently seeking a Technical Specialist to join their team busy Technical Services Team. Job Role – Network Infrastructure Specialist Reporting to the Technical Support Manager the Network Technical Specialist shall be responsible for leading (hands on) the remediation and standardisation of Operational Technology (OT) firewall environments across all factory sites and establishing the governance and best practices required for their ongoing management. Duties – Network Infrastructure Specialist • Review all factory-based firewall configurations and identify risks and audit gaps •...

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 programmes Architectural decisions align with Secure-by-Design principles from the outset Complex, multi-partner and...

Are you an experienced Electrical Engineer looking to work on some of the UK's most complex infrastructure projects? We're looking for an Electrical Consultant to join a growing multidisciplinary engineering team, delivering innovative electrical design solutions across major industrial and infrastructure programmes. This is an exciting opportunity to take on a technically challenging role where you'll lead design activities, mentor engineers and collaborate with clients to deliver high-quality engineering solutions from concept through to construction. If you're passionate about engineering excellence and enjoy solving complex technical challenges within a collaborative environment, we'd love to hear from you. The Role As an Electrical Consultant, you'll play a key role in delivering electrical engineering designs across a range of multidisciplinary projects. Working closely with project managers, engineers and clients, you'll provide technical leadership while ensuring...

SBA are currently supporting our consultancy client, who are supporting a Central Government client. The requirement is for a Principal Security Architect (Chartered) on an initial 12 month contract Location - London (Hybrid) Essential Skills & Experience Deep technical expertise across security architecture, infrastructure, cloud, identity, networks, and systems security. Strong working knowledge of NCSC standards and guidance, risk management approaches, and architectural frameworks. Proven experience operating in UK public sector or other highly regulated environments. Demonstrable delivery in classified, constrained, or limited‑connectivity systems. Ability to operate comfortably at solution, programme, and portfolio levels simultaneously. Leadership & Communication Exceptional stakeholder management skills, with the ability to influence at executive and accreditor level. Confident decision‑maker able to balance delivery pressure against long‑term security...

Role Title: Lead Solutions Architect Daily rate range: £400pd - £450pd inside IR35 Contract duration: 12 months Location: London - Hybrid working (2 days per week in the office) Detailed Job Description: • Design and implement – Networks / Firewalls / Service design / DR / Automation / Monitoring / Securities / Auditing. • Work with vendors to understand and define strategy based on business requirements and architecture roadmap. • Prepare HLD, LLD & SOPs. Provide POC to business and make sure technology is in line with business requirements. • Gather current production performance data, identify gaps, and close them in new solution. • Define strategy and coordinate with stakeholders. • Tune the systems to deliver high performance to meet business demands. • Consolidate technologies to be inline with architecture roadmap • Plan migration strategy for large data with tools native /Datadobi • Work with Windows/Networks/Security/Operation teams to build different...

Role: Techincal Business Analyst Duration: 6 Months Location: Remote/2 days a week in Manchester Rate: £(Apply online only) per day OUTSIDE IR35 We are looking for an experienced Business Analyst to join a major network transformation programme focused on improving network access, security and governance across a complex enterprise environment. Working closely with Architects, Infrastructure teams and Security SMEs, you will analyse network, user and system data to identify dependencies, access requirements and opportunities for improvement. The role is highly analytical, requiring someone who can interpret complex information, define requirements and support key technical and business decisions. This is an excellent opportunity for a Business Analyst with experience across infrastructure, security, IAM, network segmentation or ServiceNow/CMDB initiatives who enjoys solving complex problems and working within large-scale technology programmes. Responsibilities Analyse...

We are currently recruiting for an experienced Systems Engineer to join a major technical programme delivering complex systems solutions within a highly secure and technically advanced environment. This is an excellent opportunity for an experienced engineering professional to work on large-scale, high-impact programmes supporting the design, integration, deployment, and operational performance of complex systems across multidisciplinary technical teams. The successful candidate will play a critical role throughout the full systems engineering lifecycle, supporting everything from system design and technical documentation through to integration, testing, deployment, troubleshooting, and operational support. This role is ideally suited to candidates who thrive within technically demanding environments and enjoy solving complex engineering challenges while working alongside highly skilled technical teams. The Role As a Systems Engineer, you will support the development and...