9 security infrastructure engineer jobs found

Job Title: Senior Backend Engineer Location: Dunton Essex - 4 days minimum mandatory onsite Rate: £67.15ph Umbrella Co Basis (Inside IR35) Employment Type: Contract (31.12.26) Hours: Standard 37.5 Hours Per Week Reference: F56475 The Senior Backend Engineer plays a pivotal role in driving the technical success in our backend teams. This position involves architecting scalable, resilient, and secure backend solutions and overseeing the technical completion of critical development tasks, often in ambiguous situations. The Senior Backend Engineer is responsible for ensuring that backend code and architectural reviews are aligned with organisational goals, facilitating productive technical discussions, and making decisions to resolve complex backend engineering issues effectively. In this role, the Senior Backend Engineer supports the technical direction for backend development, offering guidance to team members and exemplifying technical excellence in backend practices....

Software Engineer – Back End – Java, Spring, GCP Contract: 9 Months (Renewable) Location: Essex (near Basildon and Brentwood) Office based 4 days a week Rate: £500 per day – Inside IR35 One of the world’s leading engineering companies and a household name is seeking a Software Engineer, Backend Engineer to play pivotal role in driving the technical success in our backend teams. Main Tasks & Responsibilities Software Engineer – Back End – Java, Spring, GCP > Architect scalable, resilient, and secure backend solutions and oversee the technical completion of critical development tasks, often in ambiguous situations. > Ensure backend code and architectural reviews are aligned with organisational goals, facilitating productive technical discussions, and making decisions to resolve complex backend engineering issues effectively. > Support the technical direction for backend development, offering guidance to team members and exemplifying technical excellence in...

2 x INFRASTRUCTURE DEVOPS & CLOUD ENGINEERS 12 MONTH CONTRACTS HYBRID WORKING - NEWCASTLE - 2 DAYS ON SITE NON-NEGOTIABLE £500.00 - £550.00 PER DAY (INSIDE IR35) Your new role We are looking for 2 x Level 3 Infrastructure DevOps & Cloud Engineers to join the organisation's existing Team on a long-term contract. The ideal Contractors will provide broad expertise across Microsoft Technologies and Cloud Platforms - specifically AZURE. Excellent communication skills are essential and a solid background in Windows Server Administration is also key as it forms part of the on-premise infrastructure. What you'll need to succeed Candidates wishing to apply must be able to demonstrate extensive experience in the following: - Experience of delivering and supporting Cloud & Infrastructure solutions across AZURE and On-Premise environments - Level 3 support for Windows Server - Previous involvement in the design, delivery and documentation of Cloud solutions - Worked with...

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...

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...

Contract Opportunity: Technical Project Manager - AD to Entra ID Migration Role: Technical Project Manager Project: Microsoft Active Directory to Entra ID Migration Location: Newcastle (4 days onsite per week) Duration: Initial 3 months Start: ASAP Day Rate: £600 per day, Inside IR35 📌 The Opportunity We're recruiting an experienced Technical Project Manager to lead a business-critical Microsoft Active Directory (AD) to Entra ID migration for a large-scale organisation modernising its identity and access environment. This is a hands‑on delivery role where you'll work closely with technical SMEs, security teams, and senior stakeholders to drive a smooth, secure, and accurately phased migration to the cloud. 🔧 Key Responsibilities Own end‑to‑end delivery of the AD → Entra ID migration project Develop project plans, migration waves, risk logs, timelines, and governance Coordinate with technical engineers, cybersecurity teams, and business units Oversee readiness...

Technical Architect +7 months+ +Hybrid working in Bristol onsite 20% +SC cleared role +£100 - £105 ph +Inside IR35 We are looking for an SC Cleared Technical Architect to join a major programme delivering secure, mission-critical communications systems. This role is hybrid, with a mix of home working and time on site in Bristol collaborating with engineering teams and customers. The Role As Technical Architect, you will act as the technical authority for complex systems and services, leading the design of secure architectures and guiding engineering teams through key design decisions. A strong understanding of 3GPP technical standards is essential, as this role supports advanced communications and mission-critical technology environments. Key Responsibilities Act as the technical authority across systems and services. Design and evolve secure, scalable architectures aligned to customer requirements and secure-by-design principles. Lead technical reviews, trade-off...

Contract Role - Security Architect Location: Hybrid - Wokingham or Warwick (1-2 days onsite per week) Contract: 6 Months (likely extension) IR35: Inside IR35 Security Clearance: Active SC Clearance Required Role Overview Our client is seeking an experienced Security Architect to support a major internal programme responsible for delivering capabilities that underpin critical infrastructure operations. This role will embed within an agile delivery programme while also contributing to the wider Security Architecture Community of Practice, working alongside enterprise and domain security architects to strengthen security architecture practices across the organisation. The successful candidate will provide security architecture leadership for an internal application within the programme, ensuring security is embedded throughout the development lifecycle using secure-by-design and shift-left principles. You will work closely with engineering, architecture, and delivery teams to...

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...