Security / Penetration Testing Engineer – London

Company IconCognizant
Location Icon

Security / Penetration Testing Engineer – London Role will be part of our Quality Engineering & Assurance (QE&A) Practice. With more than 650 clients across industry verticals and a global footprint, Cognizant QE&A practice is a reco...Read More>>.

Posted: June 6th, 2026
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London Fire & Security Project Lead

Company IconAlecto Recruitment
Location IconWembley

Alecto Recruitment in London is seeking an experienced Fire & Security Project Manager to oversee multiple projects across commercial and residential sectors.The role emphasizes quality, compliance, and client satisfaction, with a salary of...Read More>>.

Posted: July 20th, 2026
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West London Security Service Engineer — OTE & On-call

Company IconGet Staff
Location IconLondon

Get Staff is seeking a Security Service Engineer to cover West London. The role involves servicing intruder alarms, CCTV and access control across multiple sites, with on-call duties on a rotation basis.A full UK driving licence is required...Read More>>.

Posted: July 21st, 2026
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Head of Security Operations Technology · London, Dubai · Hybrid

Company IconSokin
Location IconLondon

Head of Security OperationsYou will own security operations at Sokin: build it, run it, and grow it. That covers detection strategy, incident response and management, vulnerability management, and identity governance, with day-to-...Read More>>.

Posted: August 7th, 2026
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Security Engineer New London, England, United Kingdom

Company IconXTX Markets
Location IconLondon

XTX Markets is a leading algorithmic trading firm which uses state-of-the-art machine learning technology to produce price forecasts for over 53,000 financial instruments across equities, fixed income, currencies, commodities and crypto. It use...Read More>>.

Posted: August 16th, 2026
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Fire & Security Engineer - Mobile - London, Kent and Sussex

Company IconEMCOR UK
Location IconEssex

Role Overview Location: Mobile, covering outer London, Kent and Sussex. Salary: £44,000 per annum + Company Van + Overtime and On Call Allowance. Working Hours: Monday to Friday - 0800 to 1630...Read More>>.

Posted: August 27th, 2026
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Senior Network Security & Cisco Specialist – London

Company IconProject Freelance
Location IconLondon

Onyx-Conseil in London seeks a Senior Network Specialist with deep Cisco and security expertise to design, implement and support secure network solutions.The role is predominantly BAU with design input, covering firewall deployments, DMZ, V...Read More>>.

Posted: September 3rd, 2026
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London Security Systems Commissioning Engineer (Company Vehicle)

Company IconFire and Security Careers
Location IconLondon

Fire and Security Careers in London is seeking a confident Enterprise Security Systems Commissioning Engineer to install, test and hand over large integrated CCTV and Access Control systems on sites around London.The role focuses on fault-f...Read More>>.

Posted: September 5th, 2026
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DV Cleared Cyber Security Architect – Hybrid London

Company IconCBSbutler Ltd.
Location IconLondon

CBSbutler Ltd. is seeking an experienced Cyber Security Architect to provide security architecture expertise across complex programmes within a secure, high-assurance environment in London.The role focuses on embedding secure-by-design prin...Read More>>.

Posted: September 12th, 2026
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Security & Concierge Officer – Central London

Company IconUnitrust Protection Services
Location IconWillenhall

UniTrust Protection Services in London is seeking a security professional to safeguard people, premises and property while protecting the client’s reputation. Your role centers on delivering an exceptional customer journey for staff and visitors...Read More>>.

Posted: September 25th, 2026
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Founding Engineer | Cyber-security Start-Up | London

Company IconOho Group
Location IconLondon

Founding Engineer | Cyber-security Start-Up | LondonExperienced Founding Engineer needed for a fast growing product focused cyber-security start-up based in London. This is an opportunity for senior developers who are excited to get th...Read More>>.

Posted: September 26th, 2026
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Chief Cyber Security & Compliance Leader (London Hybrid)

Company IconFormula.
Location IconLondon

Formula. is seeking a Head of Cyber Security to own its security posture end-to-end, reporting to the Director of IT & Cyber Security. This is the group’s most senior cyber security role, combining hands-on technical ownership with governance, r...Read More>>.

Posted: October 1st, 2026
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Senior AI Security Architect | Hybrid London/Birmingham

Company IconThe Nippon Telegraph and Telephone Corporation (NTT)
Location IconLondon

NTT DATA UK & Ireland seeks a Senior AI Security Architect Consultant to design, implement, and govern secure AI/ML systems across the enterprise. You will embed security, privacy, and trust into AI solutions from model development to monitoring a...Read More>>.

Posted: October 5th, 2026
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Application Security Engineer New London, UK

Company IconRightmove
Location IconLondon

Our vision is to give everyone the belief they can make their move. We aim to make moving simpler,by giving everyone the best place to turn to and return to for access to the tools, expertise, trust, and belief to make it happen.We’re hom...Read More>>.

Posted: October 6th, 2026
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AI Platform Engineer — Security & Governance (Hybrid,London)

Company IconVallum Associates
Location IconLondon

Vallum Associates in London, UK is seeking an AI Platform Engineer for a 12-month contract with hybrid working arrangements. The role requires expertise in AI security, governance, and secure deployment pipelines.You will collaborate with c...Read More>>.

Posted: October 6th, 2026
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Founding Security Engineer (Equity) – London On-site

Company IconWexler
Location IconLondon

Wexler, a London-based AI security focused company, is hiring its first dedicated security lead. You will own the security program spanning infrastructure, product, and compliance, working with engineering and leadership to demonstrate a demonstra...Read More>>.

Posted: October 11th, 2026
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Embedded Security Systems Technician - London (EMEA Travel)

Company IconComplete Security Recruitment
Location IconLondon

Complete Security Recruitment is seeking an Embedded Security Systems Technician in London to support a major corporate client with maintenance, fault-finding and installation across enterprise security systems.The role involves collaborati...Read More>>.

Posted: October 11th, 2026
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Zero Trust Cyber Security Architect | Hybrid London

Company IconInfoSec People Ltd
Location IconLondon

InfoSec People Ltd invites applications for an experienced Cyber Security Architect to shape secure end-user computing environments and Zero Trust architectures within critical public sector programmes in London. The role prioritises secure identi...Read More>>.

Posted: October 11th, 2026
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Oracle OCI Cloud Security Tester | Hybrid London

Company IconSearchability NS&D
Location IconSlough

Searchability NS&D is seeking a Security Tester to join a London-based cloud security programme focused on Oracle Cloud Infrastructure. The role is a 12-month contract with a daily rate up to £1,000, hybrid working with 4–5 days onsite.Y...Read More>>.

Posted: October 11th, 2026
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Enterprise Cyber Security BD Manager (London Hybrid)

Company IconGamma
Location IconLondon

Gamma, based in London, is seeking an Enterprise Business Development Manager to drive cyber security services adoption in a hybrid London role. You will design solutions, manage cyber security deals, and grow revenue through cross-selling and new...Read More>>.

Posted: October 12th, 2026
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Remote-First IT Security & Compliance Lead – London

Company IconB Corporation
Location IconLondon

B Lab is seeking an IT Security & Compliance Lead to own security governance for the global network. You will conduct audits, set baselines, manage policy and incident response, and support cross-border data protection.The role collaborates...Read More>>.

Posted: October 12th, 2026
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Solution Architect L2: Secure Enterprise Integration London

Company IconWipro
Location IconLondon

Wipro Limited in London is seeking a Solution Architect L2 on a contract basis. You will define secure integration strategies and framework designs for enterprise systems. The role emphasizes collaboration with business and technical teams...Read More>>.

Posted: October 13th, 2026
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Agentic AI Engineer — Hybrid, London (Secure Production)

Company IconLorien
Location IconLondon

Lorien is seeking an experienced Agentic Forward Deployed Engineer to help build, secure and operate AI-powered products at scale from our London hub.You will work with engineering, security and governance teams to establish agentic enginee...Read More>>.

Posted: October 13th, 2026
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Senior Windows Platform Engineer - Secure On-Site London

Company IconLeonardo UK Ltd
Location IconWhitehall

Job Description: Salary Range: £60,000 - £71,400 Leonardo UK operates a grade-based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band,...Read More>>.

Posted: October 13th, 2026
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Senior Splunk & DLP Security Engineer - Hybrid London

Company IconIT WORLD LIMITED
Location IconLondon

IT WORLD LIMITED in London is seeking a Senior Splunk and DLP Security Engineer to independently enhance our DLP monitoring and alerting across Splunk and the wider DLP toolset.You will design and implement advanced SPL, dashboards, and mul...Read More>>.

Posted: October 14th, 2026
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IT Security & Compliance Lead (London, U.K.)

Company IconB Lab
Location IconLondon

Please Note: B Lab is not working with a third party to fill this role and no part of our process requires applicants to pay fees. Applicants should only use our job board to submit an application, and will interact directly with our team d...Read More>>.

Posted: October 14th, 2026
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Senior Cyber Security Engineer – Hybrid (London)

Company IconMtvh
Location IconLondon

MTVH is seeking a Senior Cyber Security Engineer to strengthen security across Microsoft 365, cloud platforms, networks and infrastructure. You will work with our Cyber Security Manager to drive forward security strategy and protect systems, data...Read More>>.

Posted: October 15th, 2026
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Lead Security Design Engineer - London (Hybrid)

Company IconAECO
Location Icon

AECOM, a global leader in infrastructure, seeks a Principal Designer to join the Security & Technology Engineering team. You will oversee high-level security engineering on major build and fit-out projects across Europe, guiding design from concep...Read More>>.

Posted: September 14th, 2026
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Senior Information Security Officer – Hybrid London

Company IconDianaduggan
Location IconLondon

Dianaduggan is seeking an Information Security Officer for a 6-month hybrid assignment in London. The role focuses on preventing, monitoring and responding to information/data breaches and cyber-attacks, aligning with client security policies and...Read More>>.

Posted: September 17th, 2026
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Strategic National Security Client Lead (London)

Company IconQinetiQ Limited
Location IconLondon

QinetiQ Limited in London is seeking a Client Manager to lead national security accounts and build strategic relationships. The role is full-time on-site, based at the London site, with travel to other QinetiQ and customer sites expected.Yo...Read More>>.

Posted: September 22nd, 2026
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Strategic National Security Account Lead – London

Company IconPlexal
Location IconLondon

Plexal is seeking a Strategic Account Lead for National Security to drive commercial growth across London’s secure-government landscape. This role blends relationship-based sales, delivery-aligned growth and proposition development, building str...Read More>>.

Posted: September 27th, 2026
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DV-Cleared Cyber Security Governance Lead London

Company IconBT Group
Location IconHemel Hempstead

BT Group in London is seeking a Cyber Security Governance & Assurance Specialist to lead complex risk management programs and develop security documentation that supports cyber risk management frameworks. This on-site role requires security cleara...Read More>>.

Posted: September 28th, 2026
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London Security Officer – Permanent Roles & Flexible Shifts

Company IconConsultora Excelsior
Location IconLondon

We are looking for a number of full time security officers to start work in London. MULITPLE LOCATIONS AVAILABLE: CENTRAL LONDON CANADA WATER & CANARY WHARF LEWISHAM HOUNSLOW BARKING...Read More>>.

Posted: August 29th, 2026
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Security Mobile Officer - Eltham - London

Company IconConsultora Excelsior
Location IconLondon

Security Mobile Officer - Eltham - LondonAbout the job Security Mobile Officer - Eltham - LondonDo you have Security experience and hold a UK Manual driving licence? Can you work independently while maintaining a high level of...Read More>>.

Posted: September 20th, 2026
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LONDON, UK – SECURITY AGENT / DRIVER

Company IconFerrari Expéditions SA
Location IconLondon

FG Logistics LTD, a Ferrari Group company, is looking for a Security Agent / Driver for their office in London Heathrow, England. SECURITY AGENT / DRIVER: Becoming a part of a busy team, you will work closely with your co...Read More>>.

Posted: September 20th, 2026
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Security Officer London: Day/Night Shifts, £22.50/hr + £3k Bonus

Company IconConsultora Excelsior
Location IconLondon

Consultora Excelsior in London is seeking Security Officers for immediate start. Permanent full- or part-time roles with day shifts 8am-6pm or 8am-8pm (£19.50/hr) and nights 8pm-8am (£22.50/hr). Overtime and bank holidays paid at £28.50/hr. Ful...Read More>>.

Posted: October 1st, 2026
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Security SDR — Hybrid London, Kickstart Enterprise Sales

Company IconCisco Systems, Inc
Location IconLondon

Cisco Systems, Inc in London is seeking a Sales Development Representative to start conversations with customers across EMEA, opening opportunities for the wider sales team and building expertise in Cisco Security.You'll learn the portfolio...Read More>>.

Posted: October 2nd, 2026
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AD Hoc Retail Security Officer East London

Company IconLodge Service
Location IconLondon

Why Lodge: Lodge are a bold, ambitious Security company growing at pace. A human centric – solution led business where people and tech merge to offer holistic and innovative solutions to our clients and teams. Boasting a 100+ year herit...Read More>>.

Posted: October 4th, 2026
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Fire & Security Design/Estimator - London/Hybrid Working

Company IconComplete Security Recruitment Ltd
Location IconLondon

Job Title: Design EstimatorAbout the RoleThe Design Estimator is responsible for preparing accurate and competitive cost estimates and quotations for Fire and Security systems projects, supporting the business through the full bi...Read More>>.

Posted: October 5th, 2026
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Central London Security Officer – Control Room & CCTV

Company IconSSR G&M
Location IconLondon

SSR G&M seeks a Security Officer for a prestigious Central London organisation. The full-time post offers £40,000 annually plus private healthcare, company pension and Life Assurance.Working a rotating pattern of four days on, three off, t...Read More>>.

Posted: October 8th, 2026
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AIRPORT SECURITY OFFICER - LONDON CITY - 8 POSITIONS LEFT - TOP RATES

Company IconAviation Advisors Limited
Location IconLondon

FULL AND PART TIME SECURITY OFFICERS NEEDED FOR WORK AT LONDON CITY AIRPORT .Protecting property and people by patrolling, monitoring surveillance equipment, and controlling access to buildingsPermanent work offered.Day , nigh...Read More>>.

Posted: October 11th, 2026
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Security Team Lead – London Hotel & Guest Safety

Company IconHilton
Location IconLondon

London Hilton on Park Lane is seeking a Security Team Leader to safeguard guests, team members and the property. You will lead and develop the security team, coordinate emergency responses and ensure high standards of safety across the hotel....Read More>>.

Posted: October 15th, 2026
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