18 security infrastructure engineer jobs found

We are supporting a major international industrial organisation in the search for a Senior Technical Security Engineer to strengthen their global cyber security capability. This is a senior technical role responsible for protecting critical IT infrastructure, business systems and corporate data by leading the engineering and operational delivery of security monitoring, detection and response capabilities. The successful candidate will play a key role in SOC architecture, SIEM engineering, threat detection and incident response, acting as a technical escalation point for the wider security team. This is an excellent opportunity to work within a large, complex global environment where cyber security is critical to business resilience. The Role Key responsibilities include: • Designing and maintaining SOC detection capabilities and SIEM engineering workflows • Creating and validating security detections, alerts and reporting use cases • Integrating security data sources and...

Senior Infrastructure Engineer Central London £550 - £650 p/d - outside IR35 3 month initial term A well-established, growing business is seeking an experienced Senior IT Infrastructure Engineer to support both core infrastructure and M&A projects. This is a critical role during a period of ambitious expansion, including multiple acquisitions and integration of new sites. You will ensure seamless IT operations, business continuity and secure, resilient infrastructure across offices and acquired businesses. Key Responsibilities: * Lead the assessment, integration and consolidation of IT environments during mergers and acquisitions * Manage core office and site networks, including LAN/WAN, VPNs, IP addressing and firewall operations (FortiGate)u * Conduct audits of IT infrastructure, cloud environments (Azure, AWS) and enterprise applications (ERP, CRM) * Plan and execute migrations, including tenant-to-tenant Microsoft 365 and Active Directory consolidations *...

Infrastructure Engineer £(Apply online only) per day - Umbrella only Dates: 23/02/2026 - 31/07/2026 Mostly remote but will need to be flexible to travel to London, Manchester and Leicester as required An infrastructure operations engineer is responsible for the preparation and support of IT operations solutions and services, physical or virtual. They do so according to industry and organisational best practices, standards, service requirements and Key Performance Indicators (KPIs) throughout the product life cycle. Create and maintain documentation. Perform all routine tasks according to process and checklists. Monitor infrastructure and applications services. Alert and take appropriate action Required Skills * Asset and configuration management. * Availability and capacity management. * Change Management. * Coding and scripting. * Continual service improvement. * Incident management. * Problem management. * Service management framework knowledge. * Testing. *...

System Engineer Location: East London (Hybrid – office/home) Rate: £450–£500 per day (Inside IR35) Duration: Initial 3–4 month contract (backlog clearance) with strong potential for extension or permanent conversion Client Environment: Major London Rail customers (TfL, Network Rail – station systems) Overview We are seeking a mid-to-senior Cybersecurity & Network Assurance Engineer to join a high-performing networks team supporting critical rail infrastructure in London. This role will focus on cybersecurity governance, assurance, and technical documentation, ensuring networked systems meet customer, regulatory, and industry standards. You will play a key role in clearing an immediate backlog of assurance deliverables while providing technical oversight to junior engineers and supporting SIEM integration activities. This is a hybrid East London role with no trackside/site access required. Key Responsibilities Cybersecurity Governance & Assurance Produce and...

IT Support Operator Location: Cardiff Gate (2-3 days p/week in the office) Hours: 35 hours per week (shift pattern between 8:00am – 5:00pm) The Role An established UK organisation is looking for an IT Support Operator to join its IT Service Desk team. You’ll provide first-line technical support to internal users, ensuring IT systems run effectively and colleagues receive reliable, professional assistance. This role sits within a collaborative IT function and involves working closely with infrastructure, applications and security teams to maintain smooth day-to-day operations. Key Responsibilities Deliver first-line IT support via phone, email, self-service portal and Microsoft Teams Log, manage and resolve incidents and service requests through an ITSM system Troubleshoot hardware, software and access-related issues Support Microsoft 365 applications and Windows 11 environments Configure and maintain laptops, mobile devices and peripherals Create and manage user...

SRT Marine Systems plc (SRT) is a market leader in the domain of international marine surveillance technology and systems. We are a respected, established, and an ambitious multi-national company headquartered in the UK with a global customer base. The company has a worldwide impact in the marine sector by leading the next generation of maritime domain awareness technologies "MDA", products, and systems that significantly enhance security, safety, environmental protection, and sustainability. Our customers are global and range from the largest national coast guards to individual vessel owners. SRT is an exciting company where high-quality results are rewarded. We are ambitious and constantly seek to innovate in order to deliver better products and services to our customers. We strive to make SRT a rewarding and challenging place to work, where talented, hard-working individuals have the opportunity to make a real impact across the marine industry. Role overview of our System...

DV Cleared Software Engineer (DBA / Data-Focused) Contract: 12 months Location: Cheltenham (5 days per week onsite, occasional travel to Gloucester) Rate: £600 - £750 per day (Umbrella, Inside IR35) UK Eyes only Must hold live UKIC DV clearance used within the last 12 months About the Role An exciting opportunity has arisen for an experienced Software Engineer with a strong DBA background to support a growing national security programme based in Cheltenham. This role sits within a high-performing technical team delivering solutions that have real-world impact across the UK Government sector. You'll work on data-focused systems, contributing across the full software lifecycle while supporting and improving secure Oracle-based platforms and automation using Ansible. Key Responsibilities Design, develop, test, document and support software components within a secure system environment Provide accurate estimates for development effort from given specifications Work with a...

My client is looking for a Kubernetes Specialist to work 3 days onsite in Sheffield (Candidate can be based in Leeds to work 3 days a week in office in Leeds). Job Description Top Skils- Kubernetes - 5+ years experience Design, deploy, and manages containerized applications within Kubernetes clusters, ensuring high availability, security, and scalability. Key requirements include proficiency in Kubernetes architecture, Linux networking, CI/CD pipelines, IaC (Terraform), and scripting (Go/Python). The role involves optimizing cluster performance, managing services, and supporting developer workflows. wiz.io +5 Key Responsibilities Cluster Management: Deploy, scale, and maintain production-grade Kubernetes clusters. Infrastructure as Code (IaC): Automate environment provisioning using Terraform or Ansible. CI/CD & GitOps: Build and manage pipelines using tools like Jenkins, GitLab CI/CD, Argo CD, or Flux. Networking & Security: Configure networking (Ingress, CNI,...

Infrastructure Engineer | 12 month contract | £(Apply online only) Inside IR35 | London Hybrid 2 Days On-site | SC Cleared  Our client is looking for an Infrastructure Engineer to join their team for a 12 month contract, hybrid working model 2 days on site in london. We are looking for: Required skills: Azure + Windows Server administration Azure DevOps (ADO) pipelines & working with Dev teams Infrastructure management + BAU ownership 3rd line support with problem‑solving / dev exposure Cisco networking (routing & switching) Hybrid migration experience (Windows Server VMs + Azure services) Backup, DR, and security implementation Managing multi‑environment setups (Prod / Dev) If your looking for a new challenge and this sounds like you, we'd love to hear from you. Please apply with your most Up-to-Date CV, or contact me at (url removed)

Contract Data Engineer – AWS Ncounter is supporting a specialist consultancy delivering secure, cloud-native data platforms across Defence and public sector programmes. We are seeking an experienced SC Cleared Contract Data Engineer to join a delivery team building scalable, production-grade data services within highly secure environments. This is a hands-on engineering role with a strong emphasis on AWS data tooling. You will be responsible for designing, developing and optimising resilient data pipelines that support operational and analytical use cases across complex programmes. The focus is on clean engineering, performance, security and long-term maintainability. Key experience required: • Active SC Clearance • Deep expertise across AWS data services such as Glue, Lambda, S3, Redshift, EMR, Athena and Step Functions • Strong Python and SQL development capability • Proven experience designing and building ETL or ELT pipelines in cloud environments • Experience working with...

Our client, is a major UK-based food production and manufacturing company and one of the leading businesses in the sector. Recognised as a Top 10 company to work. This opportunity sits at the heart of their digital transformation journey. The Role We are seeking an experienced Azure DevOps Engineer to design and deliver end-to-end technology solutions that drive real business value. This is a field-based role across the UK, offering the opportunity to play a key role in shaping the organisation’s future technology landscape. You will act as a technical leader, governing solution design, defining architecture strategy, and ensuring secure, scalable, and cost-effective implementations aligned with business goals. Key Responsibilities: Cloud & Architecture * Design secure, scalable, and cost-efficient cloud architectures using Microsoft Azure * Define and govern architectural standards and best practices DevOps & Engineering Excellence * Implement DevOps...

Azure Cloud Engineer (SC Cleared) London (Hybrid) 6 Month Contract to £550/day-£600/day (Inside IR35) Azure Cloud Infrastructure Engineer needed with active SC Security Clearance, AZURE Terraform code. 6 Month Contract based in Central London (Hybrid). Start ASAP in March 2026. Hybrid Working - 2 days/week remote (WFH), and 3 days/week working on-site from the London office. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: Experienced Azure Cloud Engineer required to support cloud transformation programme. Must have in-depth experienced in AZURE Terraform code, GitHub Actions, implementation of both CI/CD.                                                                                          Hands-on experience in Software Development. Experience implementing or maintaining a CI/CD pipeline using Github Actions, Terraform, and Azure. Good working knowledge of PowerShell, SQL of the installation and...

Join Our Team as a Senior IT Engineer (Mac Specialist - FTC)! 🌟 Are you a Mac expert ready to take ownership of a predominantly Apple environment in a fast-paced, creative industry? Our client in the entertainment space is looking for a Senior IT Engineer with strong macOS expertise to lead, optimise, and support their Apple-first ecosystem. Contract Type: Fixed Term Contract (4 Months, potential extension) Salary: £45,000 - £50,000 annually (FTE) Working Pattern: Full Time, Office Based Key Responsibilities: 🍎 Apple & Mac Environment Leadership (Core Focus) Own and manage a Mac-first infrastructure, ensuring optimal performance across macOS devices. * Lead Apple device management using Jamf, including deployment, compliance, patching, and policy creation. * Provide expert-level troubleshooting across macOS and iOS environments. * Drive best practices for Apple lifecycle management, procurement, and security. * Act as the go-to escalation point for complex...

Wintel / Configuration Engineer Swindon - 3 days on-site per week 6 months Inside IR35 The Role Our client is seeking an Environment Engineer to support integrated test environments for a large-scale financial services programme with the end client. This role sits within Environment Engineering and focuses on environment stability, configuration, and operational support. You'll work closely with QA, infrastructure, and DevOps teams to provision environments, maintain compliance, and resolve incidents quickly and effectively. If you enjoy hands-on technical support, automation, and keeping complex environments running smoothly, this is a strong long-term contract opportunity. Key Responsibilities Provision, configure, and maintain integrated test environments Ensure environment stability, reliability, and availability Provide L1/L2 support across Wintel-based platforms and applications Work closely with QA teams to support testing activities and resolve environment...

If you are a versatile and highly skilled Senior Cloud & Full Stack Engineer ready to work, support and advance this UK leading companies modern application ecosystem, then please, do read on! This role requires strong expertise across cloud infrastructure, backend microservices, frontend development, and legacy system support. The ideal candidate will possess comprehensive skills in all these areas, ensuring a well-rounded and robust contribution to our technology landscape. Duration: temporary contract for 3-6months or so This is a paid per hour PAYE temporary role Rate of Pay PH: £33-43ph plus holiday pay (circa £60-80,000 if salaried) Location: hybrid. Need to work in the office in Central Bedfordshire for meetings, reviews and handovers, which will be once a week or so. Hours: 35 hrs per week 9am-5pm (1 hr lunch) Days: Mon-Fri Benefits: - free parking - electric vehicle charge points - holiday pay accrual - wfh most of the time - pension after a qualifying period...

OT Cyber Consultant/Engineer Infrastructure Hybrid: 1-2 days per week in Warwick and some site travel 6 months+ £640 per day In short: We require a strong, hands-on OT Cyber Engineer to join a global provider in infrastructure services. In full: Position Main Responsibilities: Report to the OT Security Operations Lead Contribute to the Digital Products and Solutions team in achieving goals and setting cyber security strategy. Assist in the delivery of cyber security projects by validating existing technical documentation. Lead deployment activities in OT environments, including configuring networks, remote access solutions, anti-malware, backup solutions and virtualization platforms. Provide customer cyber support and act as a point of contact for execution projects. Answer technical questions from Product Lines, including troubleshooting and solution listing. Write and perform training sessions for internal teams and customers. Support key business stakeholders in...

Senior Technical Architect Location: Bristol (Hybrid Working Available) Start Date: ASAP Duration: 7 months + Rate: £95 - £105 per hour - Inside IR35 Shape the Future of Secure, Mission-Critical Systems Are you ready to lead technical design for complex, high-impact programmes? We're seeking a Senior Technical Architect to provide strategic technical leadership across critical systems and services. This is an opportunity to influence roadmaps, drive innovation, and ensure solutions are secure, resilient, and future-ready. Working in a collaborative, agile environment, you'll take ownership of architectural direction while mentoring others and engaging senior stakeholders. A hybrid working model is available, combining on-site collaboration in Bristol with remote flexibility. The Role As a Senior Technical Architect, you will: Act as the technical authority for systems and services. Define and evolve architectures aligned to customer needs, architectural principles, and...

Freelance IT Project Manager – Applications or Infrastructure Freelance | Project-Based | UK (Remote / Hybrid) We are inviting experienced IT Project Managers with strong delivery backgrounds in either Applications or Infrastructure to join a selective professional network focused on structured, outcome-led technology execution. This is not generic change management. This is technical delivery where structure, clarity and accountability matter. The Type of Projects Depending on your specialism, you may be engaged to lead: Application-Focused Projects * ERP, CRM or core system implementations * SaaS deployments and configuration programmes * System integrations and data migration initiatives * Legacy application replacement * ITSM tool implementations * Platform upgrades and rationalisation projects Infrastructure-Focused Projects * Cloud migrations (Azure, AWS, hybrid estates) * Server, storage and...