23 senior infrastructure engineer jobs found

Senior Infrastructure Engineer - MOD / Defence / SC Cleared Outside IR35 - £550-600 per day - Long projects Farnborough - onsite Contract role for a senior level infrastructure engineer, who is a self-starter, can lead projects and adaptable to different technologies within a secure / defence environment. You will need to have active Security Clearance (SC) and be on site in Farnborough 5 days per week. You will need to have demonstrable experience and deep knowledge of the following: Windows Server / Domain Services - strong understanding of AD, GPOs, domain architecture. VMware - hands‑on experience with VCF, NSX, vCenter, SAN integration, and ESXi. Hyper‑V - practical exposure to virtualisation management and configuration. PKI / Encryption - understanding of certificate services, key management, and secure communication. Networking - switch configuration, VLANs (including SAN‑related VLANs), routing fundamentals. Linux - operational capability across common...

Senior Infrastructure Engineer - MOD/Defence/SC Cleared Outside IR35 - £550-600 per day - Long projects Farnborough - onsite Contract role for a senior level infrastructure engineer, who is a self-starter, can lead projects and adaptable to different technologies within a secure/defence environment. You will need to have active Security Clearance (SC) and be on site in Farnborough 5 days per week. You will need to have demonstrable experience and deep knowledge of the following: Windows Server/Domain Services - strong understanding of AD, GPOs, domain architecture. VMware - hands-on experience with VCF, NSX, vCenter, SAN integration, and ESXi . Hyper-V - practical exposure to virtualisation management and configuration. PKI/Encryption - understanding of certificate services, key management, and secure communication. Networking - switch configuration, VLANs (including SAN-related VLANs), routing fundamentals. Linux - operational capability across common...

Daily rate: £600 outside IR35 + travel expenses Duration: 12 months with possible extension Location: 3days/w onsite in Stevenage(ideally), otherwise Newport or Portsmouth. *Must be SC cleared* Methods is looking for a Senior Technical Specialist (ESXi/HPE/NetApp/Backup), responsible for executing and technically validating all Compute, Virtualisation, Storage and Backup activities. Some of the activities include: Deliver and manage Compute (HPE) & Virtualisation (ESXi) environments Assess and remediate storage & backup obsolescence Execute and coordinate Ransomware Wave 1 & Wave 2 technical activities Manage and fulfil infrastructure requests (IPs, DNS, firewall, VLANs, installations) Supervise and coordinate vendors and Build Factory technical inputs Contribute to and produce BRDs and technical documentation Requirements: Highly experienced hands-on infrastructure engineer with deep technical expertise across secure, air-gapped and...

Senior Data Engineer 📍 Stockport, 3 days per week onsite 💷 £500 to £550 per day 📆 Contract ✅ Outside IR35 We’re supporting a major UK industrial and logistics warehousing business on a Terraform-heavy contract requirement within their data function. The business is Private Equity backed and operates at significant scale across the UK industrial and logistics property market. They’re looking for a Data Engineer, DevOps Engineer, or Platform Engineer with strong Terraform experience and a background working closely with data teams or data platform environments. You’ll be helping improve and scale cloud infrastructure, deployment processes, and data platform tooling, working closely with engineering, analytics, and wider technical teams. Key experience: • Strong Terraform experience, ideally in complex cloud environments • Background as a DevOps Engineer, Platform Engineer, or Data Engineer • Experience working in or closely with data engineering /...

Senior Software Engineer - Outside IR35 - Contract (Insurance) About the role Essential: Self-starter, someone who can pick up context quickly, drive outcomes efficiently, and to a high quality Competent in doing high-level designs, solution management, and scoping Understanding of data modelling best practices Ability to translate technical solutions to non-technical stakeholders and bring them on the journey Experience working in an agile delivery environment Experience working with React, TypeScript, Azure, Microsoft SQL, and Databricks (if they don’t have all of these, that’s workable, but be good to understand any they don’t have experience with) Frontend: React + TypeScript + Vite Material UI with Emotion for styling TanStack React Query 5 for server state React Router 7 React Hook Form+Yup for forms/validation MSAL for Entra ID auth Jest+Testing Library for unit tests; Playwrightfor E2E and visual tests Hosted as an Azure Static...

AWS Security Engineer - Glasgow/Hybrid - Outside IR35 Market Rates Duration - 12 months Harvey Nash are supporting a client seeking an experienced AWS Security Engineer to join their IT Infrastructure and Cyber function. This is a lead role in designing, implementing, and optimising AWS security controls across a multi-account cloud environment. This role requires a strong blend of hands-on AWS security engineering and strategic design capability, supporting secure cloud adoption and ongoing platform maturity. Key Responsibilities The AWS Security Engineer will: Design secure AWS architectures, including IAM strategy, access models, logging, monitoring, and compliance controls Define secure hosting approaches across EC2, containerised workloads, and supporting services Establish and enhance identity and access management frameworks, including RBAC and least-privilege models Implement centralised logging, monitoring, and threat detection using AWS-native tooling...

Senior Full Stack Engineer : Up to £500 per day Outside IR35 : Fully Remote : London A growing EdTech company is seeking a Senior Full Stack Engineer to join an ambitious team building a creator-led tutoring platform. They are moving fast and building something genuinely new in education. As a Senior Full Stack Engineer, you will work closely with the engineering team, ship features end-to-end, and see your code reach real users within days. Key Responsibilities as a Senior Full Stack Engineer: Build and ship features across the full stack Design and implement APIs and database schemas for new product features Integrate and optimise video streaming infrastructure Work with AI and ML models to power personalised tutoring features Implement payment flows and subscription management via Stripe Skills & Key Requirements: Strong React and Next.js skills Expertise with AWS Proficiency with Claude Code and agentic development patterns PostgreSQL...

AI-Native Tech consultancy require a Senior SRE / Cloud Platform Engineer with Dynatrace and Payments platform experience to start with them immediately to assist in the delivery of a digital transformation project to a Payment industry client. Contract Details: Start Date: Immediately. Day Rate: £500 per day. Base: Fully remote. Determination: Outside IR35. Duration: 3 months initially but extension highly likely. Essential technical experience required: Successful applicants must have strong proficiency with Azure, Dynatrace, Observability, Payment platforms (ideally PayPoint), CI/CD, Github, Terraform, Kubernetes, AKS cluster. Responsibilities: Implement repeatable processes for cost-efficient Dynatrace data ingestion and platform optimisation. Develop reusable Dynatrace templates and dashboards for standardised monitoring. Drive Dynatrace adoption as primary diagnostic tool, increasing observability maturity....

SRE - Outside IR35 - £520/day - Remote Site Reliability Engineer (SRE) | AWS/Azure/GCP | Terraform | CI/CD | IAM We're supporting a consultancy client hiring an experienced SRE for a 6-month contract , paying up to £520/day (Outside IR35) . Remote-first with occasional Canary Wharf visits. Immediate start. Key Skills Strong SRE/Platform Engineering background Cloud (AWS, Azure or GCP) Terraform/Infrastructure as Code CI/CD & automation SLO/SLI/observability Strong IAM experience : Least privilege access design IAM roles, policies & identity architecture Short-lived credentials (SSO, OIDC) Governance/policy-as-code Role Focus Embed SRE principles (SLOs, SLIs, error budgets) Improve system reliability, scalability & performance Build IaC, pipelines & reusable platform patterns Drive IAM best practices, security & governance Enhance incident response, monitoring & resilience Details 6...

Job Title: Network Engineer Location: Inverness Contract Type: 6-Month Contract Rate: Competitive (dependent on experience) Overview A well-known organisation based in Inverness is seeking a Network Engineer to join their team on an initial 6-month contract. This opportunity is open to both junior and senior candidates, offering flexibility for individuals at different stages of their careers. You will play a key role in supporting and enhancing a robust network infrastructure within a dynamic and fast-paced environment. Key Responsibilities Design, implement, and maintain network infrastructure solutions Monitor network performance and ensure optimal availability and reliability Troubleshoot network issues and provide timely resolution Configure and support routers, switches, firewalls, and related network hardware Collaborate with internal teams to support ongoing projects and upgrades Ensure network security best practices are...

Senior JavaScript Engineer contract - Outside IR35 - £575 per day Leading Ecommerce client is now recruiting a talented ‘Full Stack JavaScript Developer’ who is proficient in front and back-end development. (React/Node.js), with an emphasis on backend Node work initially. This role will be joining their platform team, designing, and building the foundations of which our clients innovative web and mobile applications run on. What will a day in the role entail? Working as an integral part of an agile team contributing towards the planning and development of systems/platforms. Collaborating with engineers, product owners and business analysts to define solutions, ways of working and share knowledge across the department. Reviewing code and providing support to members of your team. Working on client-facing applications in react / next.js Designing and building Node.js / GraphQL APIs. The ideal Senior JavaScript Engineer Senior level experience in modern...

Senior z/Linux Engineer (RHEL/IBM Z) DURATION: Initial 6 months (likely extension) LOCATION: Leeds OR Edinburgh OR Manchester OR Halifax ONSITE REQUIREMENTS: Hybrid - 2 days onsite per week (local office) ENGAGEMENT TYPE: Outside IR35 DAY RATE: Market rates (Competitive) LEGAL RIGHT TO WORK: Candidates must have the legal right to work in the UK. Unfortunately, sponsorship is not available for this role. ATRIUM GLOBAL SUMMARY Atrium Global is supporting a client in the financial services sector in hiring a Senior z/Linux Engineer to join their Core Infrastructure Platform team within Mainframe Services. JOB OVERVIEW This role is focused on the support, stability and continuous improvement of enterprise Linux environments running on IBM Z. You will work across a highly regulated, mission-critical platform, primarily supporting RHEL-based z/Linux systems under z/VM. This is a Linux-first role, requiring strong hands-on system administration experience within enterprise...

Senior Software Engineer - APIs & Integration (Azure & Kafka) Contract Length: 6 months Initial Rate: £500-£525 per day Location: Remote IR35: Outside We're supporting a major cloud transformation programme and are looking for an experienced API Architect to help modernise a critical enterprise platform. This role is focused on transforming a large API estate, migrating services from on-premise infrastructure into Azure, and evolving a monolithic architecture into a modern, scalable, event-driven ecosystem. This is a hands-on architecture role where you'll work closely with engineering teams to define architectural standards, guide implementation, and support the delivery of a long-term modernisation strategy. The Opportunity You'll play a key role in: Leading the migration of business-critical APIs from on-premise environments into Azure Defining and driving API architecture across a complex technology landscape Decomposing a large API monolith into...

🚨 Senior Software Engineer (DevOps) | Contract & Permanent Opportunities 💰 £80K+ Salary or Circa £600/day (Outside IR35) 📍 UK-Based | Fully Remote We're supporting a leading consultancy delivering AI, cloud, and customer experience transformation programmes for enterprise clients. They are looking for a Senior Software Engineer to join their growing AI Practice. This is a hands-on engineering role for someone with a strong DevOps and automation-first mindset, comfortable working across the full software lifecycle—from design and development through to deployment, monitoring, and optimisation. Key experience includes: ✅ AWS (Amazon Connect experience beneficial) ✅ Terraform / Infrastructure as Code ✅ CI/CD pipelines and DevOps tooling ✅ Docker & Kubernetes ✅ C# (.NET 8+) and/or Java (Spring) ✅ React, Angular, or modern JavaScript frameworks ✅ Linux, Bash & PowerShell ✅ Strong troubleshooting and customer-facing delivery experience This is an...

Contract details - Senior Python Engineer Duration -12 month sIR35 status - Outside IR3 5Location - Remote (UK-based )Day rate - £500–£850/day (Depending on level of experience ) The opportuni ty We're working with a world-leading AI research and product organisation - one of the most consequential technology companies operating today. They're scaling their engineering function and looking for Python engineers who have worked at the intersection of software engineering and machine learning to join on an initial 12-month outside IR35 contra ct.This is a high-impact role. You'll be embedded in teams that move fast and care deeply about the quality of what they build, shipping production systems that sit alongside cutting-edge resear ch. What you'll be d oing Designing and building production-grade Python services, APIs, and tooling that support AI/ML research and product teamsTranslating experimental ML code into reliable, scalable systems fit for...

AWS Cloud Engineer – £500 - £550 per day Outside IR35 – 12 months - Edinburgh (Hybrid) One of Lorien’s key public sector clients is looking for an AWS Cloud Engineer to join their team on an initial 12 month contract Key Responsibilities: Designing, building, and maintaining AWS cloud infrastructure across multi-account environments Implementing Infrastructure as Code using Terraform with modular, reusable best practices Developing and maintaining CI/CD pipelines using AWS-native tools (CodePipeline, CodeBuild) and Git-based workflows Optimising cloud environments for performance, scalability, cost efficiency, and resilience Managing monitoring, logging, and alerting using CloudWatch and related tooling Implementing automated patching and configuration management using AWS Systems Manager Supporting database workloads in AWS, including RDS and associated backup and recovery processes Working closely with infrastructure and security teams to ensure best...

This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. 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 contribute to the design and consumption of a private cloud environment from the ground up and help modernise the end‑user services that support 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 outcomes. If you are a self‑starter who thrives on autonomy and wants to see your analysis, insights, and business decisions shape the future of sovereign security, we...

This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. 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 contribute to the design and consumption of a private cloud environment from the ground up and help modernise the end‑user services that support 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 outcomes. If you are a self‑starter who thrives on autonomy and wants to see your analysis, insights, and business decisions shape the future of sovereign security, we...

This role is delivered within secure environments. Candidates must be eligible for UK SC 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 some of the most complex technology and security challenges within the UK public sector. We are currently supporting a landmark transformation of a cross-government secure IT system, helping to build and modernise critical digital services, cloud platforms, infrastructure capabilities, and workplace technologies that underpin national decision-making. We don't believe in rigid hierarchies or billing by the hour. We are a lean, expert team focused on delivering meaningful outcomes in highly secure environments. If you are passionate about Agile delivery, servant leadership, and helping teams achieve their full potential, we would love to hear...

Server & Cloud Engineer | Outside IR35 | Hybrid I'm looking for an experienced Server & Cloud Engineer with Active SC Clearance and NPPV3 eligibility to join a secure enterprise environment, supporting and maintaining a hybrid Microsoft infrastructure. Working as part of a 3rd Line Infrastructure team, you'll be responsible for the administration, support and ongoing improvement of Azure cloud services, Windows Server environments and VMware infrastructure, ensuring high availability, security and performance across critical systems. Rate: Up to £500/day Outside IR35 Location: East Midlands (1-2 days/month) Duration: 12 months Key Skills: Microsoft Azure & Microsoft 365 Windows Server administration VMware/vSphere virtualisation Active Directory & Group Policy DNS, DHCP & core infrastructure services 3rd Line support experience Patch management & security remediation Hybrid cloud infrastructure Desirable: ITIL experience SolarWinds...