Penetration Tester (CHECK / CREST)

Company IconOscar
Location Icon

Role: Penetration Tester (CHECK / CREST)Location: Fully Remote, UK (with client site visits as required)Salary: £55,000 – £90,000 DOE + expenses + overnight bonus for site workType: Permanent, F...Read More>>.

Posted: May 23rd, 2026
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Penetration Tester

Company IconOpus Recruitment Solutions
Location IconLondon

Our client, a major, fast‑growing cybersecurity consultancy is significantly expanding its UK CHECK capability this year. With a global footprint and a reputation for delivering high‑assurance security testing to government and critical nat...Read More>>.

Posted: January 21st, 2026
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Associate Consultant, Cyber Advisory

Company IconCyber UK
Location IconLondon

Job Description Control Risks is seeking a motivated and diligent individual to join its rapidly growing Digital Risks team as Associate Consultant. This is a unique opportunity to develop a career in cyber security and consulting. As...Read More>>.

Posted: March 19th, 2026
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Fire Safety Engineer - Bristol, Field Based

Company IconChubb Fire & Security
Location IconFilton

A leading fire safety services provider is seeking a Fire Service Engineer in Bristol to maintain fire safety systems and deliver excellent customer service. The role involves routine inspections, repairs, and providing technical advice to clients. C...Read More>>.

Posted: March 20th, 2026
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Cloud Security Backend Engineer — Hybrid

Company IconOcho
Location IconBelfast

A rapidly scaling unicorn software company is looking for a Software Engineer to join their Belfast team. In this role, you will own the full development lifecycle and make architectural decisions affecting high-scale cloud security platforms. Seekin...Read More>>.

Posted: April 5th, 2026
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Backend Engineer - AI-Driven SaaS Security Platform

Company IconObsidian Security
Location IconCheltenham

A cybersecurity company in Cheltenham is looking for a Backend Engineer to contribute to the development of backend systems for their core product. This role involves building APIs and backend services, with a focus on scalability and performance. Id...Read More>>.

Posted: April 10th, 2026
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Lead Electrical Engineer: Energy Transition & Security

Company IconSwan Recruitment Ltd.
Location IconLeatherhead

A leading recruitment firm is looking for a Principal or Lead Electrical Engineer to work on energy transition and energy security projects in Leatherhead, UK. The role involves developing electrical power system designs and requires demonstrable exp...Read More>>.

Posted: April 11th, 2026
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Penetration Tester

Company IconOho Group Ltd
Location IconLondon

Get AI-powered advice on this job and more exclusive features.This range is provided by Oho Group Ltd. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeMy c...Read More>>.

Posted: April 11th, 2026
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Full-Stack Engineer for Mission-Critical Security Apps

Company IconRoke
Location IconManchester

A leading technology and engineering firm in Manchester is seeking a Software Engineer to develop mission-critical solutions for National Security clients. You will work on innovative technologies, ensuring security while writing clean, efficient cod...Read More>>.

Posted: April 11th, 2026
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Penetration Tester

Company IconRoyal London
Location IconCity of Edinburgh

Join to apply for the Penetration Tester role at Royal LondonJoin to apply for the Penetration Tester role at Royal LondonGet AI-powered advice on this job and more...Read More>>.

Posted: April 11th, 2026
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Penetration Tester

Company IconHarrington Starr
Location Icon

Harrington Starr has partnered with a global, multi-billion-pound business in Belfast to seek a Vulnerability and Penetration Testing Engineer. This role involves providing security architecture, vulnerability, and risk assessments within their Be...Read More>>.

Posted: April 11th, 2026
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Penetration Tester

Company IconLocke and McCloud
Location Icon

Direct message the job poster from Locke and McCloudSenior Recruitment Consultant - Cyber Security at Locke and McCloudI am working with a well-established Cyber Security Consulting and Insurance firm who are looking for a Penetrat...Read More>>.

Posted: April 11th, 2026
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Copy of Penetration Tester

Company IconTelefónica Tech (EN)
Location IconBelfast

Telefónica Tech is a leading provider of innovative tech services for the B2B market with a worldwide presence and strategic hubs in Spain, Brazil, UK and Germany. The company helps leading brands and organisations across the UK and Ireland unloc...Read More>>.

Posted: April 11th, 2026
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Security-Cleared Simulation Engineer - Engine & Tools Lead

Company IconAdvanced Resource Managers
Location IconLuton

A leading resource management firm in Luton is seeking an experienced engine engineer to lead engine-driven projects from concept through delivery. The role requires proficiency in C++, Python, and Lua, alongside a strong background in game developme...Read More>>.

Posted: April 11th, 2026
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Lead Penetration Tester

Company IconInstil Software Ltd
Location IconBelfast

We’re looking for a highly skilled Principal Penetration Tester with CHECK Team Lead (CTL) status to join our dynamic security team. This is a senior, hands‑on role where you’ll lead and deliver complex penetration testing e...Read More>>.

Posted: April 14th, 2026
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Director, Cyber & Operational Resilience Strategy

Company IconCyber UK
Location IconLondon

A leading consulting firm is looking for a Managing Principal / Director in Cyber & Operational Resilience. This role requires driving large-scale implementations and innovative technology roadmaps for top-tier financial institutions. The ideal candi...Read More>>.

Posted: April 17th, 2026
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Security Systems Faults & Small Works Engineer London

Company IconCento
Location IconLondon

A leading security provider in London seeks a Security Small Works / Faults Engineer. This full-time role includes fault diagnosis, maintenance of electronic security systems, and opportunities for ongoing training and career progression. The ideal c...Read More>>.

Posted: April 17th, 2026
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Senior Penetration Tester

Company IconStarling Bank
Location IconLondon

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. Read more...Read More>>.

Posted: April 17th, 2026
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Security-Cleared Senior Structural Engineer (FEA)

Company IconAdvanced Resource Managers
Location IconAmpthill

A leading Defence and Aerospace company in Ampthill seeks a Senior Structural Engineer. You will develop finite-element models and perform various structural analyses, requiring high-level MOD security clearance. Ideal candidates will have a BEng in...Read More>>.

Posted: April 17th, 2026
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Hybrid SRE & SecOps Lead: Secure, Reliable Systems

Company IconBottomline Technologies
Location IconTheale

A global leader in business payments is seeking a Site Reliability Engineer with SecOps experience to join their team in Theale, UK. Candidates must have strong Linux and Windows Server administration skills, experience with vulnerability management,...Read More>>.

Posted: April 17th, 2026
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Lead Penetration Tester - CTL App

Company IconInstil
Location IconBelfast

We’re looking for a highly skilled Lead Penetration Tester with CHECK Team Lead (Web App) to join our dynamic security team. This is a senior, hands‑on role where you’ll lead and deliver complex web application and API penet...Read More>>.

Posted: April 17th, 2026
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Data Security Backend Engineer - Java

Company IconCiti
Location IconBelfast

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can ma...Read More>>.

Posted: April 17th, 2026
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Lead Security Systems Commissioning Engineer

Company IconSecuritas Technology UK
Location IconLondon

A security solutions provider in Greater London is seeking a proactive Commissioning Engineer to lead the commissioning phase of security installations. The ideal candidate will have over 8 years of experience in installing and commissioning security...Read More>>.

Posted: April 18th, 2026
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Lead Security Systems Commissioning Engineer

Company IconAmida Consulting Solutions Ltd
Location IconTyseley

Amida Consulting Solutions Ltd is looking for a Senior Commissioning Engineer for their Security Systems team in the Midlands. The role entails taking full technical ownership of planning and delivering commissioning activities for integrated electro...Read More>>.

Posted: April 28th, 2026
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Mobile Electrical & Mechanical Engineer for Secure Sites

Company IconMitie Cleaning & Hygiene Services
Location IconCambridge

Mitie Cleaning & Hygiene Services in Cambridge is hiring for a mobile role that requires a proactive mindset and NVQ Level 3 in Electrical or Mechanical Engineering. Responsibilities include conducting both planned and reactive maintenance in a high-...Read More>>.

Posted: April 28th, 2026
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Security-Cleared Senior Electrical Building Services Engineer

Company IconMott MacDonald
Location IconSouthampton

Mott MacDonald is seeking a Senior Electrical Building Services Engineer in Southampton. The role involves managing electrical building services design solutions for diverse projects. Candidates should possess a degree in Building Services or Electri...Read More>>.

Posted: April 29th, 2026
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Hybrid Cyber Business Growth Lead

Company IconCyber UK
Location IconLondon

Cyber UK is looking for a Cyber Business Development Manager to enhance its sales function and drive customer acquisition across sectors like financial services and government. The successful candidate will lead business development efforts, maintain...Read More>>.

Posted: May 1st, 2026
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Fully Remote DevOps Engineer - Cloud, Security & Automation

Company IconRipjar Ltd
Location IconCheltenham

Ripjar Ltd is seeking a DevOps Engineer who will ensure the reliability and security of infrastructure that supports development and operational services. This role involves automating system deployments using Infrastructure as Code, managing Linux-b...Read More>>.

Posted: May 2nd, 2026
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National Commissioning Engineer – Electrical Fire & Security

Company IconRise Technical Recruitment
Location IconLarkhill

Rise Technical Recruitment is seeking a Commissioning Engineer (Electrical Bias) in Larkhill. The role includes commissioning, testing, and fault-finding on various electrical fire and security systems across the UK, offering extensive travel and spe...Read More>>.

Posted: May 2nd, 2026
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Platform Infrastructure Engineer (SRE Core)

Company IconMenlo Security Inc.
Location IconBracknell

Menlo Security provides secure connectivity for enterprises worldwide. About The Role Platform Infrastructure Engineer builds and operates Menlo’s Infrastructure Platform, enabling secure global connectivity. Responsib...Read More>>.

Posted: May 4th, 2026
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Security Design Engineer for Buildings & Smart Sites

Company IconWSP USA
Location IconLondon

A leading engineering and professional services firm in Greater London seeks a Security Consultant to produce high-quality designs and strategies. You will work on exciting projects globally, supervise detailed designs, and develop client relationshi...Read More>>.

Posted: May 4th, 2026
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Remote Senior AppSec Engineer - Build & Secure AI Apps

Company IconProlific
Location IconLondon

Prolific is seeking a Senior Application Security Engineer to enhance application security across their platform. You'll work directly with engineering teams to find and fix vulnerabilities, conduct security testing, and implement secure development...Read More>>.

Posted: May 6th, 2026
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Vulnerability Engineer — Remote AI-Driven Security Research

Company IconXact Placements Limited
Location Icon

Xact Placements Limited is hiring a Vulnerability Engineer for a fully remote position in the UK. The role involves hands-on vulnerability research and building tools to enhance cybersecurity workflows. Ideal candidates will have at least 2 years of...Read More>>.

Posted: May 7th, 2026
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Senior Penetration Tester

Company IconHack The Box
Location IconLondon

Senior Penetration Tester LSEG is seeking a senior penetration tester to join our internal offensive security team. This role is hands‑on and deeply technical, responsible for planning and driving penetration tests across a wide rang...Read More>>.

Posted: May 8th, 2026
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AI-Driven AppSec Engineer: Secure SDLC & Threat Modeling

Company IconKaluza
Location IconBristol

Kaluza is seeking a Security Engineer to enhance security through AI-driven tools, vulnerability management, and secure design principles. The role requires strong knowledge of OWASP Top 10, experience with modern programming languages such as TypeSc...Read More>>.

Posted: May 17th, 2026
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Backend Engineer, Threat Intelligence

Company IconwatchTowr
Location IconLondon

Hello, let us introduce ourselves! watchTowr is the Preemptive Exposure Management capability trusted by Fortune 500 companies and critical infrastructure providers. By combining proactive threat intelligence, real attacker teleme...Read More>>.

Posted: May 17th, 2026
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Fire & Security Service Engineer – Van + Callouts (Hampshire)

Company IconSecure and Recruit Ltd
Location IconWhiteley

Secure and Recruit Ltd is looking for a Fire and Security Service Engineer in Whiteley, UK. The position offers a competitive salary between £36,000 and £42,000, along with benefits such as a company van and paid travel time. The successful candida...Read More>>.

Posted: May 17th, 2026
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Service Engineer (Fire Alarm/Security Systems)

Company IconAdd Resource & Labour
Location IconBath

Service Engineer (Fire Alarm/Security Systems) Add Resource and Labour - Bath, Somerset £40,000 - £45,000 Base (depending on experience) + overtime OTE £50,000 Monday to Friday 25 days holiday + Bank holidays...Read More>>.

Posted: May 17th, 2026
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Senior Penetration Tester

Company IconArcus Search
Location IconLondon

You’ll be on the front lines of our security efforts, thinking like an attacker to help us stay one step ahead. As a Senior Offensive Security Engineer, you’ll break things (responsibly), uncover weaknesses, and help us build stronger, more...Read More>>.

Posted: May 17th, 2026
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Service Engineer - Electrical (Trainee)

Company IconGlobal Fire & Security Systems
Location IconLondon

Overview Location - Canary Wharf Contract - Full Time Salary - £NMW + Door to Door + Overtime + (Call Out once trained) Company Global Fire and Security Systems are an independent com...Read More>>.

Posted: May 17th, 2026
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AWS Security Architect & Automation Engineer

Company IconAmazon Web Services (AWS)
Location IconBristol

Amazon Web Services (AWS) in Bristol is looking for a skilled security engineer to design, implement, and manage security architectures using AWS services. You'll tackle complex security challenges and collaborate across project teams while maintaini...Read More>>.

Posted: May 18th, 2026
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Senior Penetration Tester

Company IconBarclay Simpson
Location IconLondon

This is a fantastic opportunity for an experienced penetration tester to move into an internal role with a leading financial services firm. The role offers variety across Penetration Testing (WebApp, Infrastructure – internal and external, an...Read More>>.

Posted: May 19th, 2026
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Security Systems Commissioning Engineer — Career Growth

Company IconJohnson Controls, Inc.
Location IconHalesowen

Johnson Controls, Inc. is hiring a Commissioning Engineer - Security in Birmingham. This role focuses on providing exceptional customer service while commissioning security systems to meet industry standards. You'll work within a high-performing t...Read More>>.

Posted: May 20th, 2026
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Fire & Security Systems Engineer - Hands-on Training

Company IconEnergy Jobline CVL
Location IconWales

Energy Jobline CVL is looking for a skilled Fire & Security Systems Engineer in the United Kingdom, Wales. The role involves installation, maintenance, and diagnosis of fire and security systems across various sites. The ideal candidate will have...Read More>>.

Posted: May 21st, 2026
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Junior Sprinkler Design Engineer - CAD & Fire Protection

Company IconChurches Fire & Security
Location IconBirmingham

Churches Fire & Security in Birmingham is seeking a Junior Sprinkler Design Engineer to join their expanding team. The role requires good CAD skills and knowledge of fire sprinkler systems, with opportunities to work on various commercial and resi...Read More>>.

Posted: May 21st, 2026
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AppSec Engineer: Secure DevOps & Threat Modeling

Company IconFinancial Times
Location IconLondon

The Financial Times is seeking a Cyber Security Engineer in Greater London to enhance application security within their technology estate. The role requires practical application security experience and a collaborative approach to work with engineeri...Read More>>.

Posted: May 22nd, 2026
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Site Agent - Civil Engineering Lead with Security Clearance

Company IconVenesky-Brown
Location IconPlymouth

Venesky-Brown is seeking a Site Agent to manage project programmes on a high-security site in Plymouth. Successful candidates will ensure effective utilisation of resources, support Health & Safety compliance, and take ownership of project profit...Read More>>.

Posted: May 22nd, 2026
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Remote CAF & Cyber Resilience Consultant

Company IconExceed Cyber limited
Location IconLondon

Exceed Cyber limited is seeking three Security Consultants specializing in CAF assurance. This remote position involves assessing cyber resilience in government environments and facilitating key stakeholder engagements.The ideal candidates...Read More>>.

Posted: May 23rd, 2026
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Cyber Resilience Testing Lead – Hybrid (Reading)

Company IconCyber UK
Location IconReading

Cyber UK is seeking a Cyber Resilience Testing Lead to play a key role in the Information Security team at Thames Water. You will manage vulnerability testing and ensure effective documentation processes. The position requires CTC clearance....Read More>>.

Posted: May 25th, 2026
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Cloud & Security Ops Engineer - AI-Secured, Scalable Infra

Company IconBrighton and Hove Albion Football Club
Location Icon

Brighton and Hove Albion Football Club is looking for a Cloud & Security Operations Engineer to take ownership of their Cloud platform, ensuring applications are secure and well-architected. The role involves working with experienced Cloud Archite...Read More>>.

Posted: May 27th, 2026
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