49 network infrastructure engineer jobs found

AWS DevOps Engineer | Terraform | Kubernetes | CI/CD | Azure Migration | Remote | Outside IR35 Rate: £280 per day (Outside IR35) Duration: 3-month rolling contract, likely to turn into a long-term gig of 12 months or more. Location: Fully Remote (UK based) - Modern London office if you want to use it Requirement: Strong hands-on AWS, good understanding of Git and version control and a high level of English speaking and writing (Non Negotiable) Only candidates with strong, hands-on AWS DevOps experience will be considered. AWS is the priority for this role, and you must also be comfortable supporting a phased migration from AWS to Azure, as both clouds are in use. Optimal are excited to offer a great opportunity with a forward-thinking financial services organisation we're partnered with exclusively. We're looking for an experienced AWS DevOps Engineer to own infrastructure automation, CI/CD, architecture, and cloud reliability in...

Principal Control Engineer Duration: 12-months Rate: £80 - £100 per hour (outside IR35) Location: Remote Our client is a leading engineering and design consultancy who specialise in providing services to the engineering sector. As a Principal Control/SCS/SCADA Engineer you will be working on engineering and construction projects primarily in industrial, transmission/distribution and renewable sectors. You must be able to appreciate complex, practical, regulatory, technical and commercial issues and to work constructively with a broad range of senior stakeholders. Role accountabilities: • Responsible for the design of transmission substation Control/SCS/SCADA systems for voltages up to 400 kV. • Reviewing in-house designs and those produced by external contractors. • Responsible for delivering tender design man-hours estimates, deliverables lists, design programs. • Leading and guiding junior engineers through various Control/SCS/SCADA engineering tasks by...

Job title: Network Engineer - SONiC/Advanced Networking Day rate: £400-450 per day - Outside IR35/Limited Company Start date: Immediate Duration: TBC - multiple projects Location: Fully remote Overview We are looking for an experienced Network Engineer to provide specialist network engineering. The ideal candidate will have hands-on experience with SONiC (Software for Open Networking in the Cloud), advanced networking technologies and BGP routing. Experience with Celestica SONiC is highly desirable; however, candidates with experience of other enterprise or community SONiC distributions will also be considered. Key Responsibilities Configure and support SONiC based networking environments Troubleshoot and optimise Layer 2 and Layer 3 network infrastructure Configure and support BGP routing Support Software VPN implementations Diagnose and resolve network issues in a fast-paced project environment Essential Skills Hands-on experience...

Network Support Engineer - 12 Month Contract - Hybrid in City Of London Contract: Initial 12 months (Outside IR35) Rate: £150 per day Location: Hybrid - City of London (Farringdon), 2-3 days on-site per week The Role A well-established American Managed Service Provider is looking for an experienced Network Support Engineer to strengthen their internal IT team, supporting operations across the UK and Ireland. The end customer is a US-headquartered organisation currently expanding into the UK, Ireland and wider Europe, and this role has been created to provide additional hands-on support to the team through that growth. This is a broad, "out and out" support role covering networking, data centre infrastructure, systems administration and end-user support - ideal for a versatile engineer who enjoys variety and is comfortable working across the full IT stack. Key Responsibilities Providing IT support across networking, data centres and wider infrastructure...

Initial 6 months - Outside IR35 Contract Rate: Up to £400/day Hybrid: 3-day onsite a week Security Operations Engineer | Microsoft Security Technologies | Contract Outside IR35 Hybrid: 3-day onsite (Bank Station) OR Liverpool office Rate: £350-£400/day (Outside IR35) Contract Duration: Initial 6 months with a potential extension Industry: Highly Regulated Environment Job Summary: Seeking for a Security Operations Engineer to join one of our highly regulated client on a contract basis. you'll be responsible for monitoring, detecting, investigating, and responding to security threats across Microsoft and hybrid environments. you'll play a key role in safeguarding critical business systems through proactive threat hunting, incident response, detection engineering, and operational support of core security programmes. Key responsibilities: Investigate and respond to escalated security incidents and events Perform event-based and policy-based threat...

Location: Stevenage (Onsite) Rate: Up to £600 per day Contract: 12 Months IR35 Status: Outside IR35 Security Clearance: Active SC Clearance Required We are seeking an experienced Infrastructure Project Engineer to support enterprise infrastructure teams responsible for Storage, Backup, Compute and Virtualisation services. This role has been created to help manage an increasing workload across multiple infrastructure initiatives, including technology obsolescence programmes, ransomware resilience projects and service delivery activities. Key Responsibilities: Supervise and validate project deployments involving: HPE Compute Infrastructure VMware ESXi/vSphere NetApp Storage Veeam Backup & Recovery Support infrastructure obsolescence and upgrade programmes. Review infrastructure requirements and identify hardware, software and service needs. Obtain and manage quotations for hardware, software and third-party services. Coordinate...

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;...

Network Installation Engineer Bristol | On-site | Monday-Friday, 37.5 hours Up to £180 per day | Outside IR35 | 6-month contract BPSS Clearance Required TRIA are delighted to be working with a leading organisation to recruit an experienced Network Installation Engineer for a 6-month contract in Bristol. This is a fully site-based role for a hands-on engineer with strong cabling experience and a commitment to quality workmanship and safe working practices. The Role You'll join an installation team delivering network infrastructure projects, with responsibility for: Installing network cabinets, containment and Cat5e/Cat6/Cat6A cabling. Terminating, testing and labelling copper and fibre cabling. Installing and patching network switches. Installing fibre optic cabling via internal, pit and duct routes. Fibre termination, patching, testing and troubleshooting. Using OTDR equipment for fibre testing and fault finding. Completing QA documentation and daily shift reports....

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...

Network Installation Engineer Bristol | On-site | Monday-Friday, 37.5 hours Up to £180 per day | Outside IR35 | 6-month contract BPSS Clearance Required TRIA are delighted to be working with a leading organisation to recruit an experienced Network Installation Engineer for a 6-month contract in Bristol. This is a fully site-based role for a hands-on engineer with strong cabling experience and a commitment to quality workmanship and safe working practices. The Role You'll join an installation team delivering network infrastructure projects, with responsibility for: Installing network cabinets, containment and Cat5e/Cat6/Cat6A cabling. Terminating, testing and labelling copper and fibre cabling. Installing and patching network Switches. Installing fibre optic cabling via internal, pit and duct routes. Fibre termination, patching, testing and troubleshooting. Using OTDR equipment for fibre testing and fault finding. Completing QA documentation and daily...

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...

Senior Network Engineer – Broadcast Network Migration Department: Broadcast Project: Management Network Migration & Network Refresh We are looking for an experienced Senior Network Engineer / Network Design Engineer to join a major network migration and refresh programme within our Broadcast division. The project involves migrating an existing management network away from our existing environment, while simultaneously delivering a refresh of the underlying network infrastructure. This is a hands-on technical role requiring strong Cisco and Juniper networking expertise, with the successful engineer taking ownership of key elements of the network design, migration planning, testing and implementation. You will be responsible for developing the technical approach to the migration, producing detailed design documentation, implementation runbooks and test plans, and helping ensure the network can be migrated with minimal disruption to existing broadcast...

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...

Join a technically ambitious environment where your Linux and HPC expertise will make an immediate impact on complex computational infrastructure. HPC & Linux Infrastructure Consultant Cambridge (Hybrid) £500-£550 / Day Outside IR35 - 3 Month Contract A genuinely hands-on HPC opportunity for an engineer who enjoys getting stuck into complex infrastructure. This is an opportunity to join a technically ambitious environment where your Linux and HPC expertise will have an immediate impact. You'll be brought in to assess and improve an existing computational platform, while also helping keep the underlying infrastructure running reliably day to day. You'll have the freedom to identify where things can be improved, make recommendations, and then get involved in delivering those changes. Role Style & Setup: This is a hands-on consulting engagement, rather than a pure review or advisory assignment. You'll work alongside the existing...