Senior Security Engineer – Greenfield Hedge Fund, Onsite

Company IconWinston Fox
Location IconLondon

Winston Fox seeks a Senior Security Engineer to join a fast-growing hedge fund. You will lead design, implementation and tuning of security monitoring and response, manage vulnerabilities, and harden endpoints, servers and cloud workloads across A...Read More>>.

Posted: September 20th, 2026
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Assistant Vice President, Cyber & Network Security Engineer

Company IconCLS Group
Location IconLondon

CLS is the trusted party at the centre of the global FX ecosystem. Utilized by thousands of counterparties, CLS makes FX safer, smoother and more cost effective. Trillions of dollars’ worth of currency flows through our systems each day....Read More>>.

Posted: September 20th, 2026
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Cyber Security Engineer - Cyber & Autonomous Systems Team

Company IconAI Security Institute (AISI)
Location IconLondon

About The AI Security Institute 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 wi...Read More>>.

Posted: September 20th, 2026
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Fire & Security Engineer - Diverse Systems, Company Van

Company IconSquire Group Ltd
Location IconLeighton Buzzard

Squire Alarms is seeking a Fire & Security Engineer to service, maintain and install across Fire Alarm, Intruder, CCTV and Access Control systems. You will mainly work at local customer sites with occasional nationwide travel.We welcome can...Read More>>.

Posted: September 21st, 2026
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Fire & Security Engineer: Bristol Career Growth & Training

Company IconAlecto Recruitment
Location Icon

Alecto Recruitment is seeking a Fire & Security Engineer for Bristol and surrounding areas. You will install, service and maintain fire and security systems across a range of commercial and industrial sites, ensuring high safety standards and cust...Read More>>.

Posted: September 21st, 2026
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Senior Security Engineer- Contract - Hybrid/West Midlands

Company IconAdecco
Location IconWest Midlands

Senior Security Engineer- Contract Hybrid/West MidlandsType: 6 Month ContractDay Rate: Market Rates (Outside IR35)Location: West Midlands/HybridStart: ASAPWe are seeking a dynamic and experienced Senior Secu...Read More>>.

Posted: September 21st, 2026
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Fire & Security Engineer – Local Role, Pay + Overtime

Company IconWindmill Recruitment Ltd
Location IconLondon

Windmill Recruitment Ltd is hiring a Fire & Security Engineer in Greater London. The role focuses on installing, servicing and maintaining fire and security systems for a variety of customers, with a strong emphasis on local, low-travel work....Read More>>.

Posted: September 21st, 2026
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Area Security Engineer – Fire, CCTV & Growth Path

Company IconArgenbright Security Europe Limited (trading as ASEL)
Location IconBirmingham

ASEL Argenbright Security Europe Ltd is expanding its Birmingham region operation and is seeking an Area Service Engineer who takes pride in delivering high-quality service. You will own maintenance across your area and be the face of ASEL to our...Read More>>.

Posted: September 21st, 2026
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Fire & Security Engineer — Fire, CCTV & Access Control

Company IconHVAC Total FM Recruitment
Location IconManchester

HVAC Total FM Recruitment is seeking an experienced Fire & Security Engineer to work across Manchester and the North West, covering fire alarms, CCTV and access control systems in prestigious commercial properties.You will install, service,...Read More>>.

Posted: September 21st, 2026
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Fire & Security Engineer - Field Tech (Van + On-Call)

Company IconPRS LTD
Location IconLeeds

PRS LTD is seeking a qualified Fire and Security Engineer in Leeds/West Yorkshire to perform PPM and reactive maintenance on fire alarms, CCTV, access control and door systems for commercial estates. A company van is provided, with on-call 1 in 8...Read More>>.

Posted: September 21st, 2026
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Fire & Security Engineer – Critical Systems & Maintenance Pro

Company IconPRS
Location IconLeeds

PRS are seeking a qualified Fire and Security Engineer in Leeds, responsible for PPM and reactive maintenance across fire alarms, CCTV, access and door control systems. The role includes standby on-call and overtime with a company vehicle provided...Read More>>.

Posted: September 21st, 2026
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Hardware Security Engineer - Embedded Systems & Vulnerability Research

Company IconIC Resources
Location IconCambridge

IC Resources is seeking a Hardware Security Engineer to tackle complex security challenges across electronic and cyber-physical systems. You’ll investigate vulnerabilities, analyse hardware platforms, and help deliver innovative approaches to so...Read More>>.

Posted: September 21st, 2026
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Mobile Fire & Security Engineer – CCTV & Alarms Expert

Company IconBuild Recruitment Limited
Location IconRedruth

Build Recruitment Limited seeks an experienced Mobile Fire & Security Engineer to cover Cornwall. The role focuses on Fire, Security and CCTV planned and reactive maintenance, with support for M&E repairs and small projects.Key tasks includ...Read More>>.

Posted: September 21st, 2026
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Automotive Cyber Security Engineer - Threat & Compliance Lead

Company IconTata Technologies
Location IconGaydon

Tata Technologies is seeking a Cyber Security Engineer to be based at our customer's office in Gaydon. You will support automotive cybersecurity engineering, compliance and type approval activities across vehicle systems, software and connected se...Read More>>.

Posted: September 21st, 2026
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Senior Network Security Engineer - Zscaler & Palo Alto

Company IconOpticoreIT
Location IconLondon

Opticore IT is seeking a Network Security Engineer to deliver project work for an enterprise broadcast media client. The role is a 12-month contract inside IR35, based in the London area with one day on site per week at White City.You will...Read More>>.

Posted: September 21st, 2026
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Senior Cloud Security Engineer - Hybrid Role (Manchester)

Company IconVitality Corporate Services Limited
Location IconManchester

Vitality Corporate Services Limited is seeking a Senior Cloud Security Engineer in Manchester. The role is full-time, hybrid with 2 days per week in the Vitality Bournemouth Office, totaling 35 hours per week. Primary duties include leading cloud...Read More>>.

Posted: September 21st, 2026
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Senior Cloud Security Engineer - AWS & Incident Response

Company IconDocebo Inc.
Location IconLondon

Docebo, a global AI-powered learning platform, is seeking a Senior Security Engineer to secure its AWS cloud estate. You will own security architecture, enforce baselines, and drive risk reduction across multi‑account environments.Collabo...Read More>>.

Posted: September 21st, 2026
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Industrial Cyber Security Engineer – OT/IT for Energy

Company IconENGIE Group
Location IconLlanberis

ENGIE UK is seeking a Cyber Security Engineer for First Hydro Company in Llanberis to defend OT and IT systems powering hydro assets. The role offers exposure to industrial cyber security in a renewable energy setting, with opportunities to grow s...Read More>>.

Posted: September 21st, 2026
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Senior Cloud Security Engineer (Hybrid) - Impact & Growth

Company IconVitality
Location IconStockport

Vitality is seeking a Senior Cloud Security Engineer to safeguard our technology and member data. You will provide expert security guidance and hands-on engineering support, working with teams-wide to embed secure practices and maintain resilient...Read More>>.

Posted: September 21st, 2026
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Senior Product Security Engineer – Defence (SC Clear)

Company IconMorson Human Resources Limited
Location IconBarrow in Furness

Morson Human Resources Limited is seeking a Principal Product Security Engineer to support a major UK defence programme. You will provide senior security assurance across the engineering lifecycle of a complex, safety-critical system, including se...Read More>>.

Posted: September 21st, 2026
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Junior Cyber Security Engineer — Hybrid, Hands-on & Growth

Company IconCyro Cyber Ltd
Location IconLondon

Cyro Cyber Ltd is seeking a Junior Cyber Security Engineer for a permanent, hybrid role (in-office at least 3 days a week). You will triage tickets, assist with resolutions, and support documentation efforts to ensure reliable service for clients....Read More>>.

Posted: September 21st, 2026
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Linux Security Engineer - Shape the Future of Endpoint Tech

Company IconBecrypt Ltd
Location IconLondon

Becrypt Ltd is seeking developers to join its Linux-focused engineering team in the UK. The role emphasizes C/C++ programming, Python, and Bash scripting within an open Agile setting, contributing to secure endpoint technology.Candidates sh...Read More>>.

Posted: September 21st, 2026
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Senior AI Security Engineer | Systematic Hedge Fund

Company IconParagon Alpha - Hedge Fund Talent Business
Location IconLondon

Paragon Alpha are partnered with a $50 Billion Systematic Hedge Fund, known for their commitment to cutting edge tech.As part of their wider London buildout, they are hiring a Senior Security Engineer to support a range of solutio...Read More>>.

Posted: September 21st, 2026
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Junior Cyber Security Engineer - SIEM/SOC (On-Site)

Company IconQinetiQ
Location IconFarnborough

QinetiQ in Farnborough is seeking a Junior Cyber Security Engineer to join a team that develops and applies configuration security tools and monitoring for infrastructure. You will review security events, identify root causes, and contribute to re...Read More>>.

Posted: September 21st, 2026
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Senior Fire & Security Engineer - Lead & Grow Teams

Company IconEnergy Jobline ZR
Location IconCrookham

Scion Communications Ltd, part of the Ranger Fire & Security Group, seeks a Senior Fire & Security Engineer with an electrical bias to lead from the front. This hands-on role combines technical leadership with mentoring and team development across...Read More>>.

Posted: September 21st, 2026
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Senior Network & Security Engineer - Hybrid (Police IT)

Company IconEssex Police and Kent Police
Location IconChelmsford

Kent Police IT Services is seeking a Senior Network Engineer to join the Network Services Team. The role supports policing networks across two counties with a focus on security and voice; it is a home-based position with occasional site visits to...Read More>>.

Posted: September 21st, 2026
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London Enterprise Security Engineer - C•CURE Specialist

Company IconHP4 Recruitment Ltd
Location IconLondon

HP4 Recruitment Ltd in London is seeking an experienced Enterprise Security Engineer to join a major site. The role focuses on supporting and developing a large-scale C•CURE security system, with embedded responsibilities and close collaboration...Read More>>.

Posted: September 21st, 2026
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Cyber Security Engineer - Cyber & Autonomous Systems Team

Company IconAI Security Institute
Location IconLondon

About the AI Security Institute 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...Read More>>.

Posted: September 21st, 2026
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Senior Cloud Security Engineer - Azure, Sentinel, Terraform

Company IconOliver Bernard
Location IconLondon

Oliver Bernard are currently seeking a Senior Security Engineer to join a FinTech company in London. This is an initial 6 month contract with a flexible hybrid model (1 office day p/week), outside IR35, and can offer £425 - £525 p/day for the ri...Read More>>.

Posted: September 22nd, 2026
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Field Fire & Security Engineer – Vehicle & UK Travel

Company IconOsborne Appointments
Location IconLondon

Osborne Appointments is recruiting an experienced Fire & Security Engineer to join a close-knit team delivering high-quality service across commercial and high-profile sites. The role offers independence, collaboration, and opportunities for train...Read More>>.

Posted: September 22nd, 2026
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Principal Product Security Engineer — IA & Risk Leader

Company IconMatchtech
Location IconBarrow in Furness

Matchtech is seeking a Principal Engineer - Product Security to provide senior technical leadership across Information Assurance and Product Security within a highly regulated engineering programme. The role is delivery-focused, supporting design...Read More>>.

Posted: September 22nd, 2026
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Hybrid Cloud Security Engineer (Microsoft IAM/Azure)

Company IconPontoon
Location IconLondon

Pontoon is seeking a hands-on Security Engineer to join a 6-month contract, working on a Microsoft cloud security estate. The role is hybrid with Midlands-based office visits about once per month and requires strong experience in IAM, RBAC, Privil...Read More>>.

Posted: September 22nd, 2026
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Senior Cloud Security Engineer – Azure & SIEM (Contract)

Company IconFlagstone
Location IconLondon

Flagstone is seeking a senior security engineer to own and evolve cloud security, detection tooling, and incident response across Azure. You’ll operate Microsoft Sentinel, Defender for Cloud, and contribute to detection-as-code while coordinatin...Read More>>.

Posted: September 22nd, 2026
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IAM Security Engineer – Hybrid Cloud, PAM & IGA

Company IconFinancial Conduct Authority
Location IconLondon

Financial Conduct Authority is seeking an experienced Security Engineering professional to protect FCA digital assets and identity governance in a hybrid cloud environment. You will design, implement and operate IAM, PAM and IGA solutions, and sup...Read More>>.

Posted: September 22nd, 2026
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Cloud Security Engineer: AI-Driven Production Infra

Company IconUnited States Digital Space LLC
Location IconLondon

United States Digital Space LLC is seeking a Security Engineer for Product & Production Infrastructure in London to lead threat modeling, security reviews, and vulnerability management across cloud-native environments. You will collaborate with so...Read More>>.

Posted: September 22nd, 2026
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Senior OT Security Engineer - Industrial Cyber Defense

Company IconLockheed Martin Corporation
Location IconGloucester

Deloitte in Greece seeks a Senior OT Security Engineer to design, implement, and support cybersecurity solutions for OT environments across critical infrastructure. You will work with a European network of Cyber specialists to deliver secure, reli...Read More>>.

Posted: September 22nd, 2026
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Staff Product Security Engineer – London (SC Clearance)

Company IconStrativ Group
Location IconLondon

Strativ Group in London is seeking a Staff Product Security Engineer to own the development and maturation of security features across our product suite, conduct threat modelling, and work closely with engineering teams to build resilient systems....Read More>>.

Posted: September 22nd, 2026
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Staff Cloud Security Engineer (GCP) - Engine by Starling

Company IconStarling
Location IconLondon

At Engine by Starling, we are on a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology.Engine is Starling’s software-as-a-service (SaaS) business, t...Read More>>.

Posted: September 22nd, 2026
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Elastic SIEM Security Engineer — Cloud & IR Focus

Company IconTRIA
Location IconManchester

TRIA is seeking a mid-level Security Engineer to join a specialist Security Engineering team focused on developing and managing the Elastic SIEM platform. The role involves securing AWS, Azure and on-premise environments while building detection r...Read More>>.

Posted: September 24th, 2026
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Data Security Engineer: Microsoft Purview & SaaS Governance

Company IconFSP
Location IconLondon

FSP is seeking a Data Security Engineer to join the Cyber Engineering team, focusing on data, identity and application security with strong Microsoft Purview expertise and knowledge of Defender for Cloud Apps. You will assess security posture, ide...Read More>>.

Posted: September 24th, 2026
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Zero-Trust Security Engineer | Incident Response & ISO27001

Company IconCharles Russell Speechlys
Location IconLondon

Charles Russell Speechlys seeks a Cyber Security Engineer to join their SecOps team in London hybrid role, focusing on implementing and maintaining security measures, incident response, and transitioning to zero-trust.You will lead security...Read More>>.

Posted: September 24th, 2026
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Cloud Security Engineer - Azure, GCP & Incident Response

Company IconFreshfields
Location IconLondon

Freshfields is seeking a Security Specialist with hands-on Azure and Google Cloud experience, plus SIEM and vulnerability management capabilities. The role encompasses cloud security assessment, Defender usage optimization, IAM/CA policy guidance,...Read More>>.

Posted: September 24th, 2026
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AI Security Engineer — Govern Generative AI (Hybrid)

Company IconLeeds Building Society
Location IconLeeds

Leeds Building Society is seeking an experienced security engineer to protect members and enable secure AI adoption. You will assess AI-related risk, shape practical security controls and governance, and review AI-enabled solutions in collaboratio...Read More>>.

Posted: September 24th, 2026
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Senior Global Security Engineer: IAM & Endpoint Lead

Company IconDeliveroo
Location IconLondon

Deliveroo is seeking a Senior Corporate Security Engineer to design and operate security controls protecting internal networks, identities, endpoints, and systems. You’ll work globally with teams across US, EU, and APAC to mature controls and re...Read More>>.

Posted: September 24th, 2026
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Field-Based Fire & Security Engineer — Vehicle + Travel

Company IconOsborne Appointments
Location IconMaidenhead

Osborne Appointments is seeking a Fire & Security Engineer to join our field-based team covering London and the South East. You will perform planned and reactive maintenance on fire alarms, CCTV, intruder alarms and access control on commercial si...Read More>>.

Posted: September 24th, 2026
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Cloud Security Engineer (Azure/GCP) & SIEM Expert

Company IconFreshfields
Location IconManchester

Freshfields seeks a Security Specialist to drive cloud security across Azure, M365 and Google Cloud, with hands-on experience in SIEM and vulnerability management. The role covers incident response support, Defender usage optimization, and IAM/zer...Read More>>.

Posted: September 24th, 2026
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DevSecOps Security Engineer - Cloud Infra & SIEM Automation

Company IconCompanies House
Location IconCardiff

Companies House in Cardiff seeks a Security Operations DevSecOps Engineer to design, build and maintain security infrastructure across AWS and Azure, and to develop and manage IaC with Terraform. You will build secure CI/CD pipelines, engineer Sen...Read More>>.

Posted: September 24th, 2026
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Senior AI Security Engineer — Agentic AI Lead

Company IconSource Technology Limited
Location IconLondon

Source Technology Limited in London is seeking a Principal AI Software Engineer to lead the hands-on delivery of a portfolio of agentic AI security applications. You will translate a complex target architecture into production-quality software, su...Read More>>.

Posted: September 24th, 2026
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AI Security Engineer — Cloud & Gen AI Risk

Company IconLeeds Building Society
Location IconLeeds

Leeds Building Society is seeking an experienced IT security professional to assess AI-related risk and shape practical security controls and governance. You will review AI-enabled solutions, tackle complex security challenges with colleagues and...Read More>>.

Posted: September 24th, 2026
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Cyber Security Engineer: AI | Incident Response & Risk

Company IconM+C Saatchi Group
Location IconLondon

M+C Saatchi Group in London is seeking a proactive Cyber Security Specialist to protect information assets, systems and services. You will work across security operations, governance, risk, and AI security while collaborating with IT, stakeholders...Read More>>.

Posted: September 24th, 2026
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