64 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...

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...

Hays are supporting a local public sector organisationhiring a contract Senior Infrastructure Engineer to work on a range of projectbased work. Day rate depending on experience and outside IR35. This will likelybe for 6 months initially (could extend) and hybrid working out of Bristol. Youwill need a high level of security clearance to be eligible for the role. Within the role you lead on project-based workincluding scope, design and implementation across Virtualisation replacementand storage solution replacement with M365/Azure. You will need technicalknowledge across the following stack: Virtualisation solutions such as Hyper-V & VMware Experience with M365 Experience of Storage solutions Experience of Entra ID/Active Directory Experience of azure cloud services Experience of high level and low level design Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By...

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 Data & ML Engineer Contract - Outside IR35 - Initial 6 month contract £650-£750 per day London - Hybrid working We are partnering with a rapidly growing financial services business that is investing heavily in its machine learning and data platform capabilities. This is a hands-on engineering role focused on helping Data Science teams build, deploy, and scale machine learning solutions in production. The work sits at the intersection of data engineering, machine learning engineering, and MLOps, with a strong focus on production systems, feature engineering, workflow orchestration, and model lifecycle management. What you'll be doing Design and build scalable data and feature engineering pipelines to support machine learning workloads Work closely with Data Scientists to operationalise models and improve the end-to-end machine learning lifecycle Develop and optimise PySpark-based data processing workflows and training pipelines Build and...

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....

Senior AI Engineer (Contract) Rate: £700 / day IR35 Status: Outside IR35 Duration: 6 months (with high likelihood of extension) Location: Hybrid / Remote options available (UK-based) Security Clearance: DV Cleared The Role We are looking for a Senior AI Engineer to design, build, and deploy production-ready GenAI applications and multi-agent systems within secure environments. This role requires a strong hybrid of advanced AI orchestration and robust cloud-native engineering, specifically focusing on scaling workloads via Kubernetes. Because of the nature of this work, you must hold active UK Developed Vetting (DV) security clearance to be considered. Key Responsibilities Agentic Workflows: Design, implement, and optimize multi-agent frameworks and stateful LLM applications. Kubernetes Orchestration: Containerize, deploy, and scale AI models, APIs, and microservices across production Kubernetes (K8s) clusters. Infrastructure &...

Software Engineer / DevOps Engineer - Contractor Dublin Ideally, or Fully Remote Outside IR35 3 Days per Week 6-Month Contract (rates negotiable) Are you a senior Software Engineer / DevOps Contractor looking for a flexible part-time contract? A major professional services company is looking for an experienced contractor to provide hands-on support across backend development, AWS cloud operations and DevOps automation. If you are based in the Dublin area, that will be helpfully, otherwise the role can be fully remote , and is an outside IR35 contract working 3 days per week . The client can be flexible on which days are worked, and the role is available to start ASAP. You’ll be joining a busy technology environment where you’ll help maintain existing systems, support active project delivery, and provide knowledge transfer to the wider team. The role You will have experience in work across a broad technical stack including: Node.js...

Software Engineer / DevOps Engineer - Contractor Fully Remote Outside IR35 3 Days per Week 6-Month Contract (rates negotiable) Are you a senior Software Engineer / DevOps Contractor looking for a flexible part-time contract? A major professional services company is looking for an experienced contractor to provide hands-on support across backend development, AWS cloud operations and DevOps automation. This is a fully remote , outside IR35 contract working 3 days per week . The client can be flexible on which days are worked, and the role is available to start ASAP. You’ll be joining a busy technology environment where you’ll help maintain existing systems, support active project delivery, and provide knowledge transfer to the wider team. The role You will have experience in work across a broad technical stack including: Node.js (strong experience) Python (Flask / FastAPI) - back end production ready AWS: EC2, RDS, Elastic...

Position: Senior Cloud Engineer Location: Newbury (Hybrid) Daily Rate: £550 - £650 p.d Outside IR35 Clearance: UKSV DV Clearance Required We're seeking an experienced Senior Cloud Engineer to support a high-profile programme within the defence sector. This contract role will focus on designing, building, and integrating secure cloud infrastructure across hybrid environments click apply for full job details

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...

Software Engineer/DevOps Contractor - Node.js, Python, AWS Fully Remote | Outside IR35 | 6 months | 3 Days per Week | ASAP Start Contract: Initial 6 months Location: Fully remote Hours: part time, 3 days per week/approx. 24 hours - flexible on days IR35: Outside IR35 (Where applicable) Start: ASAP Rate: Negotiable, depending on experience We are looking for an experienced Software Engineer/DevOps Contractor to support a global professional services organisation on a fully remote, part time contract. This is a hands-on role covering Back End software development, AWS cloud operations, DevOps automation and CI/CD support. The client needs someone who can onboard quickly, work independently, and add value from week one. The role is ideal for a senior contractor who enjoys varied technical work across Node.js, Python, AWS, Docker, Ansible, Linux, Jenkins and Bitbucket . Role and Responsibilities: Developing and maintaining Back End services and APIs...

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...

Position: Senior Cloud Engineer Location: Newbury (Hybrid) Daily Rate: £550 - £650 p.d Outside IR35 Clearance: UKSV DV Clearance Required We're seeking an experienced Senior Cloud Engineer to support a high-profile programme within the defence sector. This contract role will focus on designing, building, and integrating secure cloud infrastructure across hybrid environments. You'll play a key role in delivering scalable AWS solutions using Infrastructure as Code, while ensuring seamless integration with existing on-premises systems. Key Responsibilities Design, configure, and deploy AWS infrastructure and networking using Terraform and CloudFormation. Develop and maintain reusable, best-practice IaC modules. Deliver secure and high-performing networking across AWS and hybrid environments. Design and implement integrations between on-prem and cloud (VPNs, Direct Connect, hybrid DNS, routing). Troubleshoot infrastructure, connectivity, and performance issues....

We are seeking a highly experienced Network Project Manager to lead a comprehensive LAN infrastructure refresh project implementing Extreme switching technology. You will be instrumental in driving the project from planning through to successful deployment, ensuring seamless delivery while managing complex technical requirements and stakeholder expectations. This fast-paced environment demands a dynamic individual with the ability to tackle technical challenges head-on and coordinate intricate network implementations across multiple sites and teams. Requires: Proven experience in large-scale LAN refresh projects and network infrastructure deployments Hands-on expertise with Extreme Networks switching solutions and implementation methodologies The capability to lead technical project delivery and formulate comprehensive project documentation for senior stakeholders Strong analytical mindset with the aptitude to understand complex network architectures and relate...