C/C++ High-Integrity Engineer with Security Clearance

Company IconCoreTech Security
Location Icon

A cybersecurity software firm seeks a High‑Integrity Software Engineer in Cheltenham to design innovative products and enhance existing solutions. Responsibilities include driving engineering processes and mentoring junior staff, requiring strong e...Read More>>.

Posted: June 6th, 2026
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C++ Software Engineer - Core Security (Anti-Cheat)

Company IconRockstar
Location IconCity of Edinburgh

A leading gaming company in Edinburgh is looking for a skilled Software Engineer (C++) to enhance product security. The role focuses on creating solutions to protect their titles from vulnerabilities, implementing anti-cheat technologies, and solving...Read More>>.

Posted: June 6th, 2026
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Senior Network Engineer - SDN, Security & Automation(Hybrid)

Company IconEuroclear
Location IconLondon

A global infrastructure firm in Greater London is seeking a Network Engineer to manage and enhance the network systems. The role requires experience in network security and a strong foundation in networking technologies. The ideal candidate will have...Read More>>.

Posted: June 6th, 2026
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DevSecOps Engineer: Build Secure, Scalable Cloud Pipelines

Company Iconheycar
Location IconLondon

heycar is looking for a DevSecOps Engineer to strengthen their UK engineering team. You will work closely with software engineers and product managers to enhance security practices and manage CI/CD pipelines. The role emphasizes building scalable AWS...Read More>>.

Posted: June 6th, 2026
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OT Controls Engineer: Cyber-Secure Industrial Automation

Company IconActemium UK
Location IconWaterlooville

A leading automation firm based in Waterlooville seeks an OT Controls Engineer to design and configure OT servers and industrial networks. The role includes strengthening cyber security across critical infrastructure and supporting PLC/SCADA integrat...Read More>>.

Posted: June 6th, 2026
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OT Controls Engineer: Cyber Security & Plant Reliability

Company IconLynx Recruitment
Location Icon

A reputable engineering recruitment agency is looking for a 2nd Engineer for Industrial Control Systems to support the Lead ICS Engineer. The role involves maintaining and improving industrial control systems and cyber security within a plant environ...Read More>>.

Posted: June 6th, 2026
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Security & Fire Systems Field Engineer | Van & Growth

Company IconTrades Workforce Solutions
Location IconHemel Hempstead

A leading security and fire systems firm is seeking a Service Engineer to handle service and maintenance across various sites in Hemel Hempstead. The role involves working with various security systems, providing reliable support and maintaining stro...Read More>>.

Posted: June 6th, 2026
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Senior Quality Engineer - Defence & Security Audits Lead

Company IconMatchtech
Location IconBarrow in Furness

A prominent Defence & Security company in Barrow-in-Furness is seeking a Principal Quality Engineer. This full-time temporary role involves overseeing quality assurance processes, ensuring compliance with regulations, and leading audits. The ideal ca...Read More>>.

Posted: June 6th, 2026
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Mobile PPM Engineer – Fire & Security Systems | Training

Company IconRandstad Construction and Property
Location IconLondon

Randstad Construction and Property is seeking a Foot Mobile PPM Engineer for a position based in Greater London. Offering a salary ranging from £46,000 to £50,000, the role includes responsibilities such as on-site preventative maintenance, serv...Read More>>.

Posted: June 6th, 2026
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EMC Project Engineer - Defence & Security, Flexible Work

Company IconMatchtech
Location IconBristol

Matchtech is seeking a Project Engineer specializing in Electromagnetic Compatibility (EMC) in Bristol. This permanent role offers a fantastic opportunity for an Electronics Design Engineer to apply their expertise in EMC. Responsibilities include ad...Read More>>.

Posted: June 6th, 2026
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UK Field Service Engineer – Integrated Security Systems

Company IconChubb Fire & Security Ltd.
Location IconLondon

Chubb Fire & Security Ltd. is seeking a Field Service Engineer to join their team in Greater London. This role involves maintaining and servicing sophisticated integrated systems, including CCTV and intruder detection. Candidates must have field serv...Read More>>.

Posted: June 6th, 2026
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Senior Azure Cloud Engineer - DevOps & Security Lead

Company IconUBDS Digital
Location IconLondon

UBDS Digital is looking for a Senior Azure Engineer in Greater London to lead the design and implementation of secure cloud solutions. You will work within a collaborative team, utilizing your expertise in Azure and DevOps practices to deliver tra...Read More>>.

Posted: June 11th, 2026
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Platform Engineer: Build Secure, Scalable Dev Tools

Company IconValarian
Location IconLondon

Valarian in Greater London is searching for a Platform Engineer to develop internal platform capabilities. In this role, you will enhance workflows and tooling, fostering secure, reliable, and efficient development practices.The ideal candi...Read More>>.

Posted: June 13th, 2026
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Senior Nuclear HVAC Engineer | Hybrid, Security-Cleared

Company IconMorson Edge
Location IconLymm

Morson Edge is seeking a Senior Nuclear HVAC Engineer in Lymm, offering a hybrid working model. You'll engage in innovative projects across the defence and nuclear new-build industries.Your role includes producing design calculations and do...Read More>>.

Posted: June 13th, 2026
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Lead Fire & Security Service & Small Works Engineer

Company IconGet Staff
Location IconBristol

Lead Fire & Security Service & Small Works Engineer Location: Bristol | Salary: £33,000 - £44,000 Basic + Overtime + Benefits | Job Type: Full-Time An established and growing provider of fire and electronic security solutions...Read More>>.

Posted: June 14th, 2026
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Senior Cloud Platform Engineer - Build, Secure, Automate

Company IconBupa UK
Location IconStaines upon Thames

Bupa UK is looking for a Senior Cloud Platform Engineer to design, build, and maintain cloud-based platforms that support our services. This position plays a crucial role in ensuring our systems are reliable and scalable, ultimately enhancing the...Read More>>.

Posted: June 19th, 2026
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Field Service Engineer – Fire & Security (NI & ROI)

Company IconKeenan Healthcare
Location IconBelfast

Keenan Healthcare is looking for a Service Engineer based in Northern Ireland. You will be responsible for installing, servicing, and maintaining fire and security systems across various sectors. The role offers a competitive salary of £35,000 -...Read More>>.

Posted: June 20th, 2026
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Red Team Engineer, UK Security Operations, Wiltshire

Company IconGOOGLE
Location IconLondon

X Must be a British citizen to meet compliance and security clearance requirements. Office location will be a satellite site in Wiltshire, with occasional travel to London. This is an on‑site position, requiring a standard five day per week s...Read More>>.

Posted: June 22nd, 2026
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AOV & Smoke Vent Engineer – Fire & Security Systems

Company IconCentral AOV Fire & Security Installations Ltd
Location IconBirmingham

Central AOV Fire & Security Installations Ltd in Birmingham is looking for skilled technicians to install, service, and maintain AOV and fire alarm systems. The role emphasizes quality workmanship and client relationships.The ideal candidat...Read More>>.

Posted: June 23rd, 2026
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Head of Software Engineering: Lead Secure, Scalable Systems

Company IconAd Warrior Ltd
Location IconLondon

Ad Warrior Ltd is seeking a Head of Software Engineering to lead their software development team across various UK locations including Swansea and Nottingham. The role includes defining best practices in software development and ensuring the deliv...Read More>>.

Posted: June 26th, 2026
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Senior Lead Engineer - Cloud, Security & Public Sector

Company IconByDesign Secure Systems Ltd
Location IconLondon

Join ByDesign Secure Systems Ltd as a Senior Lead Engineer and help shape solutions for a landmark IT transformation. You will lead engineering activities, mentor teams, and ensure secure, efficient delivery of software solutions. This hybrid role...Read More>>.

Posted: June 26th, 2026
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Azure & M365 Cloud Engineer — Hybrid, Security Stack

Company Iconbeaumont
Location IconNewcastle upon Tyne

beaumont is recruiting for a cloud-focused role in Newcastle upon Tyne. You will engage closely with senior architects and the Technical Director, focusing on Azure and Microsoft 365 transformations, implementing security tools, and designing hybr...Read More>>.

Posted: June 26th, 2026
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Senior AWS Platform Engineer - Scalable, Secure Cloud

Company IconKainos
Location IconBelfast

Kainos is seeking a Senior Platform Engineer (Senior Associate) based in Belfast. In this role, you will be responsible for leading the design of key components of a modern digital service platform, working in a fast-paced environment alongside ta...Read More>>.

Posted: June 26th, 2026
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Lead Crypto Engineering for Secure Key Management (Hybrid)

Company IconLloyds Bank plc
Location IconLeeds

Lloyds Bank plc is looking for a Cryptography Lab Engineering Lead to manage the engineering capability for Key Management services. This role involves leading a team of engineers in ensuring compliance with security policies and enhancing operati...Read More>>.

Posted: June 26th, 2026
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Senior Java Engineer - Scalable, Secure Enterprise Apps

Company IconCAPGEMINI
Location IconLondon

CAPGEMINI is seeking a Senior Java Developer for their Financial Services Business Unit, where you will architect high-quality applications that drive business results. This hybrid role requires collaboration with cross-functional teams and a focu...Read More>>.

Posted: June 27th, 2026
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Cloud Engineering Lead - Secure, Agile Delivery (London)

Company IconSummer Browning Associates
Location IconLondon

Summer Browning Associates is looking for a Lead Engineer to support a consultancy with an initial 12-month contract offering hybrid working three days a week in London. The ideal candidate will act as a technical lead for delivery teams, focusing...Read More>>.

Posted: June 27th, 2026
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Cloud Data Engineer - National Security (Security-Cleared)

Company IconSanderson Government & Defence
Location IconGloucester

Sanderson Government & Defence is seeking a Senior Software Engineer specializing in National Security (Data Systems) in Gloucester. You will design scalable data processing solutions and lead the development of cloud-native systems to address cri...Read More>>.

Posted: June 27th, 2026
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Security-Cleared Linux/Solaris Engineer – Hybrid Role

Company Iconfortice
Location IconManchester

fortice is looking for a Linux/Unix Engineer for a hybrid role in Manchester. The candidate will support a security-critical production estate and maintain Legacy Solaris systems.The ideal engineer should have strong hands-on experience in...Read More>>.

Posted: June 27th, 2026
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Senior Software Engineer - National Security (Data Systems)

Company IconSanderson Government & Defence
Location IconGloucester

Senior Software Engineer - National Security (Data Systems) About the role You'll design and deliver scalable data processing solutions for customers operating in highly sensitive, demanding environments. This is hands‑on te...Read More>>.

Posted: June 27th, 2026
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Senior Software Engineer eBPF Security for Embedded & Cloud

Company IconCisco Systems Inc
Location IconCity of Westminster

Cisco Systems Inc in the City of Westminster is looking for a Tetragon software engineer to develop and enhance the Tetragon agent across various embedded platforms and cloud environments. You will be responsible for implementing advanced security...Read More>>.

Posted: June 28th, 2026
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Remote Senior AppSec Engineer: Build Secure Software

Company IconLeighton
Location IconLondon

Leighton is looking for a Senior Application Security Engineer to enhance security processes within software development. This remote role will involve leading security initiatives, partnering with engineering teams, and embedding secure design pr...Read More>>.

Posted: June 28th, 2026
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Hybrid Cloud DevSecOps Engineer - AWS Security (SC)

Company IconIntuition IT Solutions Ltd
Location IconLondon

Intuition IT Solutions Ltd is looking for an experienced Cloud DevSecOps Engineer to join their team in London. This contract position requires a minimum of 8 years of experience, focusing on AWS Security and Linux. Candidates are expected to work...Read More>>.

Posted: June 28th, 2026
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Hybrid Junior Software & Systems Engineer: Cloud & Security

Company IconWorkNest
Location IconLeeds

WorkNest in Leeds is looking for a motivated Junior Software & Systems Engineer to join their Development team. This hybrid role offers hands-on experience in software development, cloud technologies, and cybersecurity. You'll work alongside exper...Read More>>.

Posted: June 28th, 2026
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Darwin OS Server Engineer — Cloud, Security & Observability

Company IconUnited States Digital Space LLC
Location IconLondon

United States Digital Space LLC is looking for enthusiastic engineers to join the Darwin Server team in London. You will develop system software for the company's operating systems, focusing on server and cloud technology improvements.This...Read More>>.

Posted: June 28th, 2026
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Secure Systems Full Stack Engineer (Onsite, Clearance)

Company IconNcounter
Location Icon

Ncounter is seeking a Full Stack Software Engineer in the West of England, focusing on delivering secure software systems for the national security sector. This role requires candidates to hold active eDV clearance and offers a supportive culture...Read More>>.

Posted: June 28th, 2026
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Senior Sales Engineer — Data Security & Cloud Solutions

Company IconMadrona Venture Labs
Location Icon

Cohesity is seeking a skilled Sr. Sales Engineer in the United Kingdom to support enterprise sales engagements for their advanced data security platform. The ideal candidate should have 8-10 years of experience in Sales Engineering, particularly i...Read More>>.

Posted: June 28th, 2026
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DevOps & Integrations Engineer: Build Secure, Scalable Platforms

Company IconEnfinium Community Fund
Location Icon

Enfinium Community Fund in the United Kingdom seeks a talented DevOps & Integrations Engineer to spearhead the development and maintenance of automation and integration tools. In this role, you will design CI/CD pipelines using Azure DevOps, manag...Read More>>.

Posted: June 28th, 2026
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Senior Electronics Design Engineer DSP & Secure Comms

Company IconECM Selection Ltd.
Location Icon

ECM Selection Ltd. is seeking a Senior Electronics Design Engineer based in Surrey, South East, UK. This full-time role involves design work for high technology applications, offering a salary of £70,000.The ideal candidate will have exper...Read More>>.

Posted: June 30th, 2026
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Senior .NET Backend Engineer — Scalable, Secure Systems

Company IconTransPerfect
Location IconLondon

TransPerfect is seeking a Senior Software Engineer to join their global team in London. This role involves engaging in all phases of application development and focuses on coding, debugging, and building scalable software systems.The ideal...Read More>>.

Posted: June 30th, 2026
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Senior Java Backend Engineer - IAM & Security (Hybrid)

Company IconPeopleWorks
Location IconBasildon

PeopleWorks is seeking an experienced backend engineer in Basildon to design and build high-scale backend services. The role entails serving as a technical lead while ensuring secure and resilient platform standards.Ideal applicants will ha...Read More>>.

Posted: June 30th, 2026
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Cloud Platform Engineer — Build Secure APIs & Infra

Company IconzeroRISC inc.
Location IconLondon

zeroRISC inc. is seeking a Software Engineer in Greater London to develop a suite of security-focused cloud services and infrastructure. Candidates will contribute to the design and implementation of scalable, reliable, and secure systems, learnin...Read More>>.

Posted: June 30th, 2026
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Contract AIX Systems Engineer – Hybrid, Security Cleared

Company IconDXP Talent Ltd
Location IconLondon

DXP Talent Ltd is offering a contract opportunity for an AIX Engineer in Telford, offering hybrid working arrangements. The salary range is between £45,000 to £85,000 annually. Candidates should have experience in supporting IBM Power Systems en...Read More>>.

Posted: June 30th, 2026
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Senior Product Engineer — Build Secure, Scalable Software

Company IconMatchtech
Location IconLondon

Matchtech is seeking a Product Engineer for a permanent role in Greater London. This position is ideal for candidates at the Staff, Principal, and Senior Staff levels, focusing on developing and maintaining innovative software products using GoLan...Read More>>.

Posted: June 30th, 2026
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Senior Data Systems Engineer-National Security (Gloucester)

Company IconSanderson Government & Defence
Location IconSlimbridge

Sanderson Government & Defence is seeking a Senior Software Engineer for National Security projects in Slimbridge. The successful candidate will design and deliver data processing solutions while working in sensitive environments.With over...Read More>>.

Posted: July 1st, 2026
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Threat Detection Engineer: Hunt, Engineer & Elevate Security

Company IconDormont Manufacturing Co
Location IconLondon

Dormont Manufacturing Co in Greater London is looking for a Cyber Security role focused on threat detection and hunting. The successful candidate will own and evolve the threat detection capabilities, partnering with Security Operations and Engine...Read More>>.

Posted: July 1st, 2026
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Senior Infrastructure Engineer: Lead Secure Cloud & Network

Company IconMetropolitan Gaming
Location IconLondon

Metropolitan Gaming in Greater London is seeking a Senior Infrastructure Engineer responsible for designing and enhancing the organization's IT infrastructure and cloud platforms. The ideal candidate will have over 7 years of infrastructure engine...Read More>>.

Posted: July 1st, 2026
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Data Fabric Engineer – Edge & Secure Data Pipelines

Company IconQinetiQ Limited
Location IconFarnborough

A leading defense technology company in Farnborough is seeking an Associate Data Fabric Engineer to design and operate data fabric capabilities for defense customers. You'll work on creating automation workflows and integrate data products securely....Read More>>.

Posted: July 1st, 2026
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Principal Cloud Platform Engineer — DevOps & Security Lead

Company IconDormont Manufacturing Co
Location IconLondon

Dormont Manufacturing Co is looking for a Principal DevOps Engineer based in their London office. In this role, you will be pivotal in designing, building, and testing features for their next-generation cloud platform aimed at optimizing athlete p...Read More>>.

Posted: July 2nd, 2026
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Remote Senior DevSecOps Engineer – Cloud Security & SRE

Company IconAntler
Location Icon

Airalo, based in the United Kingdom, is seeking a Senior DevSecOps Engineer to enhance security across its global infrastructure. The role involves designing automated security solutions and managing AWS services to protect millions of travellers....Read More>>.

Posted: July 2nd, 2026
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Microsoft Sentinel SIEM Engineer | 24x7 Security Ops

Company IconDormont Manufacturing Co
Location IconLondon

Dormont Manufacturing Co in Greater London is seeking a Microsoft Sentinel SIEM Engineer to empower security operations by optimizing and managing enterprise SIEM systems. This role is pivotal in ensuring platform reliability and performance while...Read More>>.

Posted: July 2nd, 2026
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