Senior Penetration Tester - CTM

Company IconInstil Software Ltd
Location IconBelfast

We are looking for a Senior Penetration Tester with CHECK to join our growing team. You will play a critical role in delivering high-quality penetration testing engagements across infrastructure, cloud, web, and mobile applications for a...Read More>>.

Posted: April 17th, 2026
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Senior Software Engineer, Chem-Bio

Company IconAI Security Institute
Location IconLondon

The AI Security Institute is the world's largest and best-funded team dedicated to understanding advanced AI risks and translating that knowledge into action. We’re in the heart of the UK government with direct lines to No. 10 (the Prime Mini...Read More>>.

Posted: April 28th, 2026
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Security-Cleared Project Support Officer (Onsite Barrow)

Company IconCBSbutler Ltd.
Location IconBarrow in Furness

CBSbutler Ltd. is seeking a Project Support Officer for a fulltime onsite position in Barrow-in-Furness. The role offers a contract of 6 months with potential extensions and a pay rate between £350 to £390 per day, inside IR35. Responsibilities inc...Read More>>.

Posted: April 28th, 2026
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Systems Engineer (£150k–£195k + Equity) at Harmonic Security Inc.

Company IconJack & Jill
Location IconLondon

Job Title: Systems Engineer Salary: £150k–£195k + Equity Company Description: Harmonic Security Inc. - Series A cybersecurity startup defining AI data protection. Location: London, UK...Read More>>.

Posted: April 28th, 2026
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Rust Systems Engineer: AI Security & Equity (London)

Company IconJack & Jill
Location IconLondon

Jack & Jill is seeking a Systems Engineer to develop low-level, security-critical endpoint agents across various platforms. You will work primarily in Rust, ensuring high performance and reliability for AI safety in data protection. The ideal candida...Read More>>.

Posted: April 28th, 2026
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Cloud Network Engineer – Distributed Systems & Security

Company IconTalenzon group
Location IconLondon

# Cloud Network Engineer – Distributed Systems & Security,April 21, 2026### Job Description**Location:** London, UK **Work Model:** On-site **Role Type:** Full-TimeWe are looking for a **Cloud Network Engineer** with strong experience in cloud ne...Read More>>.

Posted: April 29th, 2026
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Security-Cleared Senior BA & Principal Consultant

Company IconTurner & Townsend
Location IconGlasgow

Turner & Townsend is looking for a SC Cleared Business Analyst in Glasgow to support digital and technology-enabled change in the Defence sector. The role involves advising on best practice methodologies, collaborating with cross-functional teams, an...Read More>>.

Posted: April 29th, 2026
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Penetration Tester - Remote/Hybrid with Certification Growth

Company IconNomios
Location IconOxford

Nomios is seeking an experienced penetration tester to conduct tests on web applications, APIs, and network infrastructure. The role offers flexibility to work remotely or from the Oxford office, with responsibilities including detailed reporting, st...Read More>>.

Posted: April 29th, 2026
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Senior Security Detective & Incident Commander (Remote UK)

Company IconMarqeta
Location IconLondon

Marqeta is seeking a Senior Security Engineer to join our Security Operations and Response Team. This role involves investigating security incidents, monitoring for cyber threats, and serving as an incident commander during security events. The ideal...Read More>>.

Posted: April 29th, 2026
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Infrastructure Engineers (DV Security Clearance)

Company Icon慨正橡扯
Location IconGloucester

As an Infrastructure Engineer, you will play a central role in designing, deploying, and supporting complex platforms across hybrid environments, combining on-premises and cloud infrastructure.We offer a competitive salary, excellent pen...Read More>>.

Posted: May 26th, 2026
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Vulnerability Management Engineer - Hybrid UK SC Clearance

Company IconOpus Recruitment Solutions Ltd
Location IconStevenage

Find & Fix/Vulnerability Engineer:Active UK SC Clearance is essentialHybrid - 1 day onsite per week from Stevenage or FiltonWe are seeking a Vulnerability Management Engineer to take ownership of the full li...Read More>>.

Posted: May 26th, 2026
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Vulnerability Engineer (UK SC Cleared) – End-to-End Remediation

Company IconOpus Recruitment Solutions
Location IconStevenage

Find & Fix / Vulnerability Engineer Active UK SC Clearance is essential. Hybrid – 1 day onsite per week from Stevenage or Filton. The Role You will be responsible for driving vulnerabilities through to full res...Read More>>.

Posted: May 26th, 2026
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Penetration Tester

Company Icon慨正橡扯
Location IconLondon

About the role Capital One Offensive Security reduces cyber risk by uncovering vulnerabilities and weaknesses in the enterprise cyber environment through coordinated ethical hacking and penetration testing scenarios. This position work...Read More>>.

Posted: May 26th, 2026
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London Fire & Security Field Service & Maintenance Engineer

Company IconCorriculo
Location IconLondon

Corriculo is looking for an experienced Service & Maintenance Engineer to join their growing field engineering team in London. This mobile position requires expertise in fire and security systems and offers a variety of responsibilities including mai...Read More>>.

Posted: May 26th, 2026
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Security-Cleared On-Site Field Support Engineer

Company Icon慨正橡扯
Location IconGuildford

Job Description: DXC Technology is committed to building diverse, inclusive teams. We welcome applications from all backgrounds and particularly encourage interest from women, underrepresented groups, and neurodivergent candidates...Read More>>.

Posted: May 26th, 2026
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Field Service Engineer – CCTV & Security Systems (Travel)

Company IconBroughton Group
Location IconHutton

We're looking for an experienced Service & Maintenance Engineer to join a growing team delivering security solutions across utility and infrastructure sites nationwide. You'll be responsible for servicing, maintaining, and fault-finding...Read More>>.

Posted: May 26th, 2026
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Graduate Sales Consultant – Fire & Security (Hybrid)

Company IconJohnson Controls, Inc.
Location IconBristol

Graduate Sales Consultant - Fire and Security Bristol. This is a field-based sales role. Your week will be a mixture of office based and going to customers sites for meetings. Johnson Controls, Unit 1 Westpoint Row, Almondsbury, B...Read More>>.

Posted: May 26th, 2026
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Community Facilities Lead: Bookings, Security & Lettings

Company IconMalcolm Arnold Academy
Location IconNorthampton

About this Role At Malcolm Arnold Academy, we are committed to fostering a vibrant community atmosphere. Our facilities are at the heart of local activities, and we pride ourselves on delivering exceptional service to all our lettings...Read More>>.

Posted: May 26th, 2026
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Senior Technical Architect & Cyber Leader - Remote

Company Icon慨正橡扯
Location IconSwansea

Description Our Principal Technical Architects are responsible for leading and delivering strategically significant, complex client engagements across our portfolio of clients. We believe that great delivery stems from a thoroug...Read More>>.

Posted: May 27th, 2026
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Head of Security and Endpoint Management

Company IconInnovate Healthcare Services Ltd.
Location Icon

Head of Security and Endpoint Management We are seeking an experienced and motivated leader to take on the role of Head of Technology Services, Security and Endpoint Management. This pivotal position sits within Innovate’s Technology...Read More>>.

Posted: May 27th, 2026
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Senior Security Software Engineer - Python/AWS, Hybrid

Company IconOcho
Location IconBelfast

Senior Security Software Engineer | Belfast (Hybrid, 3 Days Office) | InsurTech At a glance: Senior Software Engineer — Python, AWS, security-focused Hybrid — 3 days Belfast office, 2 days remo...Read More>>.

Posted: May 27th, 2026
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Technical Architect (MFA & Access Controls)

Company IconMethods Business and Digital Technology Ltd
Location IconLondon

Since our establishment in 1990, Methods has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Our mission is to improve and safeguard public-facing service...Read More>>.

Posted: May 27th, 2026
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Palantir Foundry Data Engineer – Defence & Security

Company IconHM Revenue & Customs (HMRC)
Location IconBristol

Job description We are growing our Palantir capability within Technology and Transformation. If you hold or are eligible and willing to obtain a security clearance up to DV level, and want to grow your career in this sector, we are ver...Read More>>.

Posted: May 27th, 2026
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Strategic Director, South West Cyber Resilience Centre

Company IconCity of London Police
Location IconLondon

Post Title: South West Cyber Resilience Centre Director Type of contract: Secondment to City of London Police until 31st March 2027 (with the expectation of extension pending funding confirmation). Rank/Grade:...Read More>>.

Posted: May 27th, 2026
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Luxury Residential Security Installations Engineer

Company IconUnited Cerebral Palsy of Georgia
Location IconLondon

Security Installation Engineer - Intruder Alarms, Access Control, CCTVLondon35,000 - 45,000 + benefits + company vehicle + training The Opportunity We're working with a specialist high end resident...Read More>>.

Posted: May 27th, 2026
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Mobile Fire & Security Engineer - CCTV, Alarms & Access

Company IconTrades Workforce Solutions
Location IconBolton

Trades Workforce Solutions is seeking a Fire and Security Engineer to join their team in Bolton, England. This permanent full-time position offers a starting salary of £39,081, including callout standby fee, along with benefits such as a company veh...Read More>>.

Posted: May 27th, 2026
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Security Cleared Firmware Engineer - DSP Engineer - Cambridge

Company IconNewton Colmore Consulting
Location IconCambridge

Security Cleared Firmware Engineer - DSP Engineer - Cambridge - Spin-Out CompanyA new Spin-Out company, based in Cambridge, providing product development for Security Cleared sectors, is currently looking for an experienced Firmware...Read More>>.

Posted: May 27th, 2026
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Hybrid Data Privacy & Governance Advisor (2-Month Contract)

Company IconNorthampton Business Directory
Location IconNorthampton

Northampton Business Directory is seeking a Data Protection Officer on a temporary full-time basis for an initial 2 months. The role requires expertise in Data Protection and Information Governance, advising on regulations while working on-site in Lo...Read More>>.

Posted: May 27th, 2026
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Security Install Engineer. Job in London LilyLifestyle Jobs

Company IconUnited Cerebral Palsy of Georgia
Location IconLondon

Security Install Engineer CCTV, Access Control & Intruder Alarms Location: LondonSalary: £42,000 £46,000 per annum + OvertimeJob Type: Full-Time Permanent The Opportunity We are currentl...Read More>>.

Posted: May 27th, 2026
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AWS Cloud Engineer for National Security – Mission‑Driven

Company IconEnvitia
Location IconCheltenham

Envitia operates at the heart of the UK’s most sensitive and high-profile operations. Our approach is entirely mission-focused, enabling customers to see more, decide faster, and act with confidence across complex domains.We deliver si...Read More>>.

Posted: May 27th, 2026
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Field Security Engineer - CCTV & Access Control

Company IconPhoturis Ltd
Location Icon

Pay:£32,000.00-£36,000.00 per year About Us Established in 2005, Photuris has been delivering fire detection, suppression, and security solutions for a wide range of industries across the UK. Now an Employee Owned Trust, our e...Read More>>.

Posted: May 27th, 2026
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Security-Cleared Firmware & DSP Engineer - Cambridge

Company IconNewton Colmore Consulting
Location IconCambridge

An innovative spin-out company in Cambridge is seeking a skilled Firmware Engineer or DSP Engineer to contribute to groundbreaking technology projects. This role offers the opportunity to work on diverse applications, requiring expertise in Firmware...Read More>>.

Posted: May 27th, 2026
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Night Security Officer – SIA‑Licensed, Client‑Focused

Company IconSecuritas UK
Location IconWitney

Security Officer Location: Witney, OX29 4BP Pay: £13.45 per hour Hours: 42 hours average a week, working 4 on, 4 off nights: 6pm – 6am We are looking for a professional and reliable Security Officer to provide a...Read More>>.

Posted: May 27th, 2026
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Flexible Security Officer — Patrol, CCTV & Rapid Response

Company IconManchester Arndale
Location IconPoole

About The Company: OCS UK & Ireland is a leading facilities management company with 50,000+ colleagues and a turnover in excess of £2bn. We deliver innovative, award-winning services within facilities management, hard services, cleani...Read More>>.

Posted: May 27th, 2026
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Security-Cleared Senior NPD Project Leader

Company IconJames Fisher and Sons plc
Location IconPreston

About the Role Senior Project Manager – Inchinnan, Glasgow – Permanent, Hybrid Please note that this role requires security checks. The Role The Senior Project Manager will lead complex projects...Read More>>.

Posted: May 27th, 2026
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Security Officers – Hull

Company IconVistech Services Ltd
Location Icon

Security Officer based in HullVistech Services is looking to expand its operations by hiring Security Officers for a hospital setting in Hull. Candidates must be willing to work nights, days, and most weekends.Key Responsibilit...Read More>>.

Posted: May 27th, 2026
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IT & Software Systems Engineer — Hybrid, Security‑Cleared

Company Icon慨正橡扯
Location IconLondon

IT & Software Systems Engineer We are in search of two?Systems Engineers?for our Leidos engineering capability. Using your experience in Systems Engineering, you will be responsible for working with customers and suppliers to ex...Read More>>.

Posted: May 27th, 2026
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Hybrid Azure Infrastructure Lead: Cloud Modernisation & Security

Company IconBig Red Recruitment
Location IconCoventry

Do you wantto take ownership of a growing, evolving technology estate at a pivotal point in its journey? This is a role with real substance. The foundations are in place, but there’s a clear opportunity to shape, mature and lead across...Read More>>.

Posted: May 27th, 2026
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Defence & Security Policy Fellow (m/f/d)

Company IconUniversity of Denver
Location IconLondon

European Council on Foreign Relations - ECFR Paris - France Defence & Security Policy Fellow (m/f/d) Recruitment began on May 18, 2026 and the job listing Expires on January 1, 2064 London, United Kingdom Fellowshi...Read More>>.

Posted: May 27th, 2026
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SOC Analyst: Hands-On Threat Detection & Career Growth

Company IconFranklin Fitch
Location IconGreater Manchester

Our client is looking for a Security Operations Centre (SOC) Analyst to join a modern, continuously evolving SOC environment. You’ll work hands‑on with real‑world threats, monitoring and investigating security events across multiple custo...Read More>>.

Posted: May 27th, 2026
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Senior Embedded Security Software Engineer (C/Python)

Company IconDormont Manufacturing Co
Location IconCambridge

Join us at Entrust At Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solu...Read More>>.

Posted: May 27th, 2026
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Fire & Security Engineer – Install, Service & Fault-Find

Company IconEnergy Jobline CVL
Location IconPortsmouth

Fire & Security Engineer Location: Southampton & Portsmouth Regions (There may be occasion travel to cover other sites in the Hampshire region). Contract Permanent Full-time position Salary...Read More>>.

Posted: May 27th, 2026
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Lead Security Project Engineer – Large-Scale Deployments

Company IconTrades Workforce Solutions
Location IconLondon

A leading security systems integrator in London is seeking a Project Engineer – Security Systems Specialist to lead complex security projects. You will oversee installation and commissioning while ensuring compliance with industry standards. The id...Read More>>.

Posted: May 27th, 2026
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Security Officer: CCTV Patrols & Incident Response

Company IconHollybank Trustees Ltd
Location IconCambridge

Location: On site / Cambridge, UK Job type: Permanent / Full-time Sector and subsector: Security | General HourlyFixed salary: £13.85 MAN Commercial Protection now have an exciting opport...Read More>>.

Posted: May 27th, 2026
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London-based Enterprise Security TAM: Trusted Advisor

Company IconFortinet, Inc.
Location IconLondon

Job Schedule Full timeJob DescriptionOffice based 4 days a week in our Moorgate London office (5 minutes walk from Moorgate station)Would you like to join the leading global provider of network security solutions...Read More>>.

Posted: May 27th, 2026
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Service & Maintenance Engineer (Fire & Security) in London

Company IconEnergy Jobline ZR
Location IconLondon

Job Description Service & Maintenance Engineer – Fire & Security – London & Surrounding Areas Package & Benefits Competitive basic salary (depending on experience) Full-time, permanent position...Read More>>.

Posted: May 27th, 2026
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Fire & Security Service Engineer. Job in Gloucester LilyLifestyle Jobs

Company IconUnited Cerebral Palsy of Georgia
Location IconGloucester

Fire & Security Service Engineer (CCTV, Access Control, Fire & Intruder Alarms) Gloucester £40,000 £42,000 + Overtime We are currently recruiting for an experienced Fire & Security Service Engineer to join a well‑established a...Read More>>.

Posted: May 27th, 2026
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Fire & Security Service Engineer – Field Maintenance

Company IconUnited Cerebral Palsy of Georgia
Location IconSwindon

Service Engineer - Fire & Security Systems Our client, a leading provider in fire and alarm systems, is seeking a Service Engineer to join their team in Swindon/ Bristol/ Bath or Reading areas. The ideal candidate will have prov...Read More>>.

Posted: May 27th, 2026
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Security-Cleared Radar Signal Processing Consultant

Company IconIC Resources
Location Icon

Hands‑on Radar Signal Processing Consultant role turning complex radar and EW concepts into working models and simulations.We’re supporting a long‑standing client in the defence and security sector who are hiring a Radar Signal...Read More>>.

Posted: May 27th, 2026
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Area Security Officer NI - FT

Company IconG4S Northern Ireland
Location IconAntrim

AREA SECURITY OFFICERAREA SECURITY OFFICER | £14.26 phThis is thesecurityyou've been looking for. A secure shift pattern with secure and stable hours. Planning your life around work has never been eas...Read More>>.

Posted: May 26th, 2026
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