Senior Security Engineer (AI Safety), London, Lausanne

Company IconIsomorphic Labs
Location IconLondon

Overview In this role you will architect and secure an AI-first drug discovery platform at Isomorphic Labs, bridging ML research, platform engineering, and defense. You’ll build risk frameworks for AI/ML in life sciences, protect model ar...Read More>>.

Posted: October 1st, 2026
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Senior Network Engineer with Security and Cisco – City London

Company IconNexus Jobs
Location IconLondon

Overview In this Senior Network Engineer role, you will design, secure and support high-availability network infrastructure for a fast-paced financial services environment in City London. You will work within Infrastructure to deliver BAU a...Read More>>.

Posted: October 3rd, 2026
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Cyber Security Engineer - Contract - Hybrid, London, UK

Company IconMRP Technology Ltd
Location IconLondon

Cyber Security Engineer - Contract - Hybrid, London, UK A large global organisation is seeking an experienced Cyber Security Engineer to help develop, implement and maintain security controls across its global technology e...Read More>>.

Posted: October 1st, 2026
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London Network & DevOps Security Consultant - Contract

Company IconExplore Group
Location IconLondon

A leading consulting firm is seeking a skilled Network & DevOps Security Consultant for a high-impact contract in London. The role focuses on securing network infrastructures and integrating security within DevOps processes. The ideal candidate has e...Read More>>.

Posted: June 6th, 2026
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London Hybrid: Senior Security Architect & Incident Lead

Company IconSpencer Rose
Location IconLondon

Spencer Rose is looking for a Senior Security Analyst (L3) / Security Architect in London with a hybrid/remote option. This senior role requires extensive experience in security operations, cloud security, and incident response. The position involves...Read More>>.

Posted: June 6th, 2026
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Security-Focused Network Engineer (Hybrid, London)

Company IconHunter Bond
Location IconLondon

Hunter Bond is seeking a Network Engineer (Security Focused) to join their elite tech firm based in London with a hybrid working model. Ideal candidates have 5+ years of experience and a strong interest in security technology.The firm offer...Read More>>.

Posted: June 12th, 2026
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Senior Security & Fire Systems Field Engineer – London

Company IconFidelity Integrated Systems
Location IconOrpington

Fidelity Integrated Systems is seeking a Senior Security and Fire Systems Service Engineer to join our Greater London team. The role focuses on corrective maintenance, fault finding, and delivering first-time fixes on integrated security and life...Read More>>.

Posted: July 21st, 2026
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Security Faults / Reactive Engineers – London / Herts/Brighton/Sussex

Company IconSpy Alarms Ltd
Location IconLondon

Excellent earnings potential + company vehicle Locations: London / Herts/Brighton/Sussex About us Spy Alarms is a leading supplier of fire and security systems to residential customers, SMEs and to the educa...Read More>>.

Posted: July 22nd, 2026
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Senior Security Engineer - 12 Months FTC London

Company IconPay.UK Limited
Location IconLondon

Senior Security Engineer - 12 Months FTCLondonSenior Security Engineer - 12 Months FTCJoin Pay.UK as a Senior Security Engineer and help protect the systems that support everyday payments across the...Read More>>.

Posted: July 30th, 2026
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Field-Based Fire & Security Service Engineer - Electrical (London)

Company IconGlobal Fire & Security Systems
Location IconLondon

Global Fire & Security Systems are seeking a Field Based Fire & Security Service Engineer - Electrical to cover Canary Wharf, London. You will be responsible for electrical fire and security service work, maintenance, and repairs in a static site...Read More>>.

Posted: August 4th, 2026
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Security Platform Engineer for AI Safety – London

Company IconRefractal
Location IconLondon

Refractal is seeking a Platform Engineer to own the core product platform from external interface to service and data layers. You will focus on the APIs and SDKs used by customers to connect Refractal to their systems, building FastAPI services, a...Read More>>.

Posted: August 16th, 2026
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Cyber Security Leader - Energy & Utilities, Hybrid London

Company IconAccenture UK & Ireland
Location IconLondon

Accenture UK & Ireland is recruiting a Cyber Security Manager to lead cybersecurity consulting engagements across energy, utilities, chemicals, and resources sectors. You will oversee delivery, provide strategic security guidance, and drive busine...Read More>>.

Posted: August 16th, 2026
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London Apprentice: Fire & Security Engineer in Training

Company IconMitie Cleaning & Hygiene Services
Location IconHarrow

Alarm Communications Limited is recruiting an Apprentice Fire & Security Engineer to support maintenance, installation and call-outs for intruder, CCTV, access control and fire alarm systems. The apprentice will work with a qualified engineer and...Read More>>.

Posted: August 22nd, 2026
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Mobile Security Officer – DWP Sites (London Region)

Company IconMitie Group plc.
Location IconLondon

Mitie Group plc in the United Kingdom is seeking vigilant Security Guards to cover DWP sites across London. This role requires a full UK driving licence and flexibility to travel to diverse locations including Westminster, Uxbridge, and Harrow....Read More>>.

Posted: August 25th, 2026
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Cyber Security Manager - Defence & Govt (Hybrid, London)

Company IconSearchability
Location IconLondon

Searchability in London specializes in cyber security and technology transformation for Defence and Government clients. The Cyber Security Manager will lead engagements, assess security posture and deliver secure solutions across complex environme...Read More>>.

Posted: August 29th, 2026
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Fire & Security Business Development Manager – London & SE

Company IconGlobal Fire & Security Systems
Location IconLondon

Global Fire and Security Systems in the UK is seeking a Field-based Business Development Manager to win new installations and service/maintenance contracts across London and the South East.You will build relationships with new and existing...Read More>>.

Posted: August 30th, 2026
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Strategic Information Security & SOC Consultant (Hybrid, London)

Company IconAcademia Ltd
Location IconLondon

Academia Ltd seeks an Information Security & SOC Consultant to join our security team and drive security solutions for customers. The role is field-based, predominantly in the London area, and involves delivering strategic guidance and roadmaps, w...Read More>>.

Posted: September 1st, 2026
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London Cyber Security Engineer — SIEM & Threat Defense

Company IconWipro Limited
Location IconLondon

Wipro Limited in London is seeking a Cyber Security Engineer to join the Security Engineering team within the Cyber Defence Centre. You will provide security tooling support, oversee delivery of security services and maintain controls to defend ag...Read More>>.

Posted: September 2nd, 2026
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Senior Fire & Security Service Engineer – West London

Company IconAlphatech Resources
Location IconCity of Westminster

Alphatech Resources is seeking Security Engineers to join our West London team. You will work on security projects, ensuring work is performed accurately, efficiently, and in line with health and safety regulations.Duties include completing...Read More>>.

Posted: September 3rd, 2026
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Senior Network Engineer with Security and Cisco – City London

Company IconOnyx-Conseil
Location IconLondon

Senior Network Engineer with Security and Cisco – City London Our Client urgently requires a Senior Network Engineer with heavy background in Network Security on Cisco and Microsoft. The security and support of the company’s n...Read More>>.

Posted: September 3rd, 2026
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Senior Network Specialist with Security and Cisco – City London

Company IconOnyx-Conseil
Location IconLondon

Senior Network Specialist with Security and Cisco – City London Our Client urgently requires a Senior Network Specialist with heavy background in Network Security on Cisco and Microsoft. The security and support of the company...Read More>>.

Posted: September 3rd, 2026
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SIA Licensed Security Officer – Front Desk (London)

Company IconTeam Ward
Location IconLondon

Ward Security is seeking a professional Security Officer to deliver first-class security at a prominent London site (WC2H 8AG). You will ensure a welcoming, professional environment for staff and visitors while maintaining a strong security presen...Read More>>.

Posted: September 3rd, 2026
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Security Officer (SIA) – Customer-Focused, London

Company IconWard Security
Location IconLondon

Ward Security is seeking an experienced Security Officer for a prominent facility in Marylebone, London. The role focuses on delivering first-class security and customer service at the heart of the city. You will be the main point of contact and e...Read More>>.

Posted: September 4th, 2026
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Cyber Security Engineer I Software engineering London

Company IconCheckout
Location IconLondon

Company Description We’re Checkout.com. You might not know our name, but companies like eBay, Spotify, Klarna, Uber, and Sony do, because we’re behind many of the digital experiences you use every day. We are where the...Read More>>.

Posted: September 5th, 2026
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Corporate Security Officer - Front Desk & CCTV, London

Company IconTeam Ward
Location IconLondon

Ward Security is seeking an experienced Security Officer to support a prestigious corporate site in the City of London. You will be professional in appearance, deliver outstanding customer service, and maintain calm under pressure while patrolling...Read More>>.

Posted: September 7th, 2026
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Security Officer (Days) - HM Tower of London

Company IconCBT Clinics Ltd
Location IconLondon

Security Officer (Days) - HM Tower of London Full time Salary £34,119 per annum pro rata (Inclusive of supplements) Contract Temporary/Seasonal Dates Estimated Start date 1 October 2026...Read More>>.

Posted: September 14th, 2026
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Security Officer (Days) - HM Tower of London

Company IconHistoric Royal Palaces
Location IconLondon

Historic Royal Palaces is the independent charity that looks after the Tower of London, Hampton Court Palace, Kensington Palace, the Banqueting House, Kew Palace, and Hillsborough Castle. We help everyone explore the story of how monarchs and p...Read More>>.

Posted: September 17th, 2026
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Security Officer (Days) - HM Tower of London

Company IconConsultora Excelsior
Location IconLondon

Security Officer (Days) - HM Tower of London About the job Security Officer (Days) - HM Tower of London Historic Royal Palaces is the independent charity that looks after the Tower of London, Hampton Court Palace, Kensington P...Read More>>.

Posted: September 20th, 2026
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Security Advisory Consultant - Growth & Impact in London

Company IconLevelBlue
Location IconLondon

LevelBlue in London is seeking Consultants in Security Advisory to join our EMEA HQ. You will work on challenging client projects, balancing autonomy with senior support and substantial learning opportunities.The role provides exposure to g...Read More>>.

Posted: September 21st, 2026
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Senior Security Architect - Leading Hedge Fund - London

Company IconMondrian Alpha
Location IconLondon

My client, a leading alternative investment firm, is seeking a Security Architect to join their growing cybersecurity team in London.The successful candidate will join a dynamic, technically driven team focused on designing, imple...Read More>>.

Posted: September 21st, 2026
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Security-Cleared Full Stack Engineer — London Onsite

Company IconCopello Global Ltd
Location IconLondon

Copello Global Ltd is seeking a Full Stack Software Developer for a 6-month contract in London, onsite 4/5 days per week with one day from the client's office. The role focuses on mission-critical national security solutions, using AI, cybersecuri...Read More>>.

Posted: September 21st, 2026
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Security-Cleared Infrastructure Engineer – On Site (London)

Company IconBT Group
Location IconLondon

BT Group in London is seeking an Infrastructure Engineering Specialist for the Remote Site Infra team. The role requires on-site presence in London and DV security clearance, with an allowance while clearance is held.You will deliver high-l...Read More>>.

Posted: September 21st, 2026
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Security Operations Centre (SOC) Manager (London)

Company IconCyPro
Location IconLondon

Overview: Holiday: 25 days, bank holidays and one additional day for every 12 months you stay with us. Working Together: Three days per week in our Canary Wharf office, 39 floors up, with flexibility for the remaining two days....Read More>>.

Posted: September 25th, 2026
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London-Based Senior Consultant, Securities Lending

Company IconNorthern Trust Corp
Location IconLondon

Northern Trust in London is seeking a Sr. Consultant-Securities Lending to join the International Securities Lending Operations team.You will provide technical SME support, manage regulatory changes, and coordinate IT development, testing a...Read More>>.

Posted: September 27th, 2026
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London-Based Graduate Security Systems Engineer

Company IconArup
Location IconLondon

Arup is seeking a Graduate Physical Security Consultant in London to join its world‑leading security team. You’ll develop expertise in design, specification and implementation of physical security measures across diverse projects, supported by...Read More>>.

Posted: September 27th, 2026
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Security Lead - Cloud & Govt (Hybrid London)

Company IconSummer-Browning Associates Ltd
Location IconLondon

Summer-Browning Associates is assisting our client in London to recruit a Security Lead for an initial 6-month assignment, with extension potential. The role requires a security clearance and senior leadership in a high-threat government setting....Read More>>.

Posted: September 29th, 2026
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London Fire & Security Engineer – Install, Service & Repair (Van)

Company IconTeam Jobs - Commercial
Location IconLondon

Team Jobs - Commercial is recruiting for a Fire & Security Service & Installation Engineer based in London. The role covers servicing, maintaining and installing fire and security systems across commercial and residential sites, with a strong emph...Read More>>.

Posted: September 30th, 2026
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Security-Cleared Azure DevOps Engineer – London Hybrid

Company IconCBSbutler
Location IconLondon

CBSbutler is seeking an SC Cleared Azure DevOps Engineer in London on a hybrid basis. The role offers a 6-month+ contract with a daily rate of £650–£675 (Inside IR35).You will join a specialist government-focused team delivering secure,...Read More>>.

Posted: September 30th, 2026
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London Canary Wharf Security – Weekly Pay & Overtime

Company IconWarehousing Solutions Ltd
Location IconLondon

Warehousing Solutions Ltd in London (Canary Wharf area) is hiring Security Officers on a permanent basis. You can work day, night or weekend shifts, with 45–60 hours per week guaranteed and weekly pay every Friday.Shift options include 8a...Read More>>.

Posted: September 30th, 2026
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CISO: AI Security & Enterprise Risk Leader (London)

Company IconInformation Security Solutions
Location IconLondon

Information Services in London seeks a dynamic Chief Information Security Officer to lead cyber security and tech risk from our London headquarters. You will balance strategic vision with hands-on governance, safeguarding our infrastructure while...Read More>>.

Posted: September 13th, 2026
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