Principal Security Engineer

Company IconTravelport
Location Icon

Overview As Principal Security Engineer, you will provide deep security expertise across applications, infrastructure, networks, cloud environments, and security platforms. You’ll translate security strategy and regulatory requirements in...Read More>>.

Posted: September 30th, 2026
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Cloud Security Engineer

Company IconReply
Location Icon

Overview In this hands-on Cloud Security Engineer role, you design, build and secure AWS-based cloud architectures for financial services and public sector clients. You’ll embed with engineering and platform teams to shift security left a...Read More>>.

Posted: October 1st, 2026
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Senior Security Engineer

Company IconKainos
Location IconBirmingham

Overview In this role you will design and implement secure, cloud-based software solutions within an Agile team, embedding DevSecOps practices across the software lifecycle. You’ll act as a security specialist for applications or cloud pl...Read More>>.

Posted: October 1st, 2026
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Offensive Security Engineer

Company IconLondon Stock Exchange Group
Location IconLondon

Overview In this Offensive Security Operations role, you will manage vulnerability discovery, offensive testing and remediation activities to protect the business from cyber threats. You will coordinate with 3rd party vendors to plan and ru...Read More>>.

Posted: October 1st, 2026
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Application Security Engineer

Company IconSimply Business
Location IconLondon

Overview In this role, you will champion security across the software development lifecycle, embedding secure coding and threat modelling into our practices. You’ll collaborate with engineering to modernise DevSecOps, tackle AI/LLM threat...Read More>>.

Posted: October 1st, 2026
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Principal Security Engineer

Company IconCapco
Location IconLondon

Overview In this role you will lead the design and implementation of secure systems across cloud and on‑prem environments to protect digital finance. You’ll embed security-by-design in the SDLC, drive automated tooling, and oversee resi...Read More>>.

Posted: October 1st, 2026
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AI Security Engineer

Company IconJanus Henderson
Location IconLondon

Overview In this hands-on security engineering role, you secure AI-enabled systems across their lifecycle, partnering with AI Technology and the broader security function. You will define and evolve AI security standards, patterns, and guar...Read More>>.

Posted: October 1st, 2026
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AI Security Engineer

Company IconHuxley Associates
Location IconLondon

Overview In this role you will secure AI platforms and systems, focusing on threat modelling, red/blue team testing, and continuous monitoring. You will work with cross-functional teams to implement security controls across AI pipelines, AP...Read More>>.

Posted: October 1st, 2026
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Cloud Security Engineer

Company IconHastings Direct
Location IconBexhill

Overview In this role you will shape Hastings Direct's cloud security by evaluating and implementing cloud-first solutions, partnering with Security Architects to define strategy, and delivering secure, scalable cloud services. You will wor...Read More>>.

Posted: October 1st, 2026
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Security Engineer - Product

Company IconWiz
Location IconLondon

Overview As a Security Engineer for Product & Production Infrastructure, you defend Wiz’s cloud and AI-enabled products by running security reviews, vulnerability management, and detection/response. You’ll partner with software and DevO...Read More>>.

Posted: October 1st, 2026
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Application Security Engineer

Company IconCloudBees
Location IconLondon

Overview In this role you secure AI-driven and internal enterprise apps, partnering with the CISO to apply threat modeling, secure design, and engineering discipline across internal systems and AI tooling. You’ll build scalable security p...Read More>>.

Posted: October 1st, 2026
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Network Security Specialist – Quantitative Trading

Company IconQuant Capital
Location IconLondon

Overview In this role you will safeguard a distributed, multi-vendor network infrastructure supporting trading and internet connectivity. You will partner with Network Engineering and Cyber Security to keep firewall policies current, design...Read More>>.

Posted: October 1st, 2026
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Cyber Security Engineer

Company IconAdvania UK
Location IconManchester

Overview In this role you will strengthen client security postures by delivering detection, response, scanning, and monitoring services across a diverse customer base. You will work within a multi-disciplinary security team to operationaliz...Read More>>.

Posted: October 1st, 2026
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Software Security Engineer

Company IconFortinet
Location IconLondon

Overview In this role, you strengthen the security of the FortiDLP platform, helping to embed secure development practices across the product. You will collaborate with cross-functional teams to identify and remediate vulnerabilities, and e...Read More>>.

Posted: October 1st, 2026
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Security Engineer - Security Operations

Company IconPerk
Location IconLondon

Overview In this role, you design, implement, and operate advanced threat detection to protect Perk’s SaaS platform and enterprise environment. You’ll collaborate with TechOps/IT and engineering squads to ensure robust security logging,...Read More>>.

Posted: October 1st, 2026
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Product Security Engineer

Company IconMBDA
Location IconBolton

Overview As a Product Security Engineer you will apply systems engineering skills with a security focus to design robust, tamper-resistant missile/weapon systems. You will work across hardware, firmware and software domains to deliver secur...Read More>>.

Posted: October 1st, 2026
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Information Security Engineer

Company IconAJ Bell
Location IconLondon

Overview In this role you will design, build, and continuously improve security controls and platforms to protect AJ Bell and its customers. You’ll work across endpoint, cloud, network, DevOps, and security monitoring to deliver scalable,...Read More>>.

Posted: October 1st, 2026
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Hardware Security Engineer

Company IconIntellectual Capital Resources
Location IconCambridgeshire

Overview As a Hardware Security Research Engineer, you will probe complex hardware and embedded systems to uncover vulnerabilities and develop hands-on PoC solutions. You’ll collaborate with cross-functional teams to translate findings in...Read More>>.

Posted: October 1st, 2026
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Lead Infrastructure Engineer - Proxy/SSE Network Security

Company IconJP Morgan Chase
Location IconLondon

Overview In this Lead Software Engineer role, you will architect and deliver secure, scalable network security solutions for enterprise perimeter and SSE services. You will pursue Zero Trust patterns and identity-aware access to reduce impl...Read More>>.

Posted: October 1st, 2026
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Cyber Security Engineer

Company IconHuxley Associates
Location IconLondon

Overview In this role you protect critical trading, research and corporate technology environments within a fast-paced hedge fund. You will work across infrastructure, cloud, applications, endpoints and software engineering teams to mature...Read More>>.

Posted: October 1st, 2026
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Security Engineer, AWS Security

Company IconAmazonWebServices
Location IconLondon

Overview As a Security Engineer in Amazon's Security Operations Centre, you will design and implement detections to identify threats across our cloud infrastructure. You’ll collaborate with data scientists, software engineers, and securit...Read More>>.

Posted: October 1st, 2026
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Security Engineer Detection - Finance

Company IconClient Server
Location IconLondon

Overview In this role you will advance the organisation’s detection engineering capability within a global asset manager. You will investigate and triage security alerts, including AI-driven tooling, and apply your L3 experience to manage...Read More>>.

Posted: October 2nd, 2026
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Lead Cyber Security Engineer

Company IconCareerwise
Location IconLondon

Lead Cyber Security Engineer A global cyber security services company is seeking a Lead Cyber Security Engineer to design and deliver defensive security solutions across security architecture, SOC transformation, cloud security, and thre...Read More>>.

Posted: October 3rd, 2026
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Senior Security Engineer - FTC

Company IconComputappoint
Location IconLondon

Salary: £80,000 - £90,000 (Pro rat for 6-month FTC)Hybrid: 2-day onsite per week in LondonPosition: Fixed-Term-Contract for 6 monthsSenior Security Engineer (Microsoft) | 6-month FTC | Hybrid...Read More>>.

Posted: October 3rd, 2026
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Senior Network Security/ NOC Engineer

Company IconAddition
Location IconDerry Hill

This organisation supports businesses across the UK with secure, always-on cloud and infrastructure services. This role sits at the heart of operations, keeping critical systems running smoothly while helping customers get more from their techn...Read More>>.

Posted: June 6th, 2026
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Senior 24/7 On‑Site Network Security Engineer

Company IconThe ONE Group Ltd
Location IconStevenage

A leading security firm in Stevenage seeks a Network Security Engineer to protect critical infrastructure in a 24/7 Incident Response role. The ideal candidate will have experience with enterprise firewalls and network monitoring tools, alongside a s...Read More>>.

Posted: June 6th, 2026
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Lead Network Security Engineer (NIST / CIS) - £90k

Company IconHawksworth
Location IconLondon

Position: Senior Network Security Engineer (NIST / CIS benchmark) Hybrid: 2 day per week in the office Location: Guildford, Surrey If you're a seasoned IT Infrastructure Engineer with extensive Network...Read More>>.

Posted: June 6th, 2026
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Senior Network Security Engineer — Hybrid (NIST/CIS)

Company IconHawksworth
Location IconLondon

A leading financial services company in Guildford is seeking a Senior Network Security Engineer to enhance their network security measures. This hybrid role requires expertise in NIST, CIS benchmarks, and security tooling. The ideal candidate will ha...Read More>>.

Posted: June 6th, 2026
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Senior Network & Security Engineer — Hybrid Banking IT

Company IconIntec Select
Location Icon

A leading global banking organisation is seeking a motivated Senior Network & Security Engineer to manage and support their enterprise network infrastructure. The role includes resolving network incidents and optimising performance across a highly re...Read More>>.

Posted: June 6th, 2026
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Senior Network & Security Engineer: Global Infra & Cloud

Company IconCMC Markets
Location IconLondon

CMC Markets is seeking a Senior Network & Security Engineer to enhance our global network infrastructure in London. This role is crucial for ensuring high performance and security across our on-premise and cloud environments, supporting critical t...Read More>>.

Posted: June 15th, 2026
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Staff Product Security Engineer

Company IconAnduril
Location IconLondon

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative com...Read More>>.

Posted: August 7th, 2026
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Fire & Security Engineer

Company IconRecruitment Helpline
Location IconNottingham

An excellent opportunity for an experienced Fire & Security Engineer to join a well-established company.Job TypeFull-Time, Permanent.Salary£33,000 - £42,000 Per Annum, Depending on Experience.Location...Read More>>.

Posted: September 4th, 2026
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Fire and Security Engineer

Company IconDynamite Recruitment
Location IconHalifax

Fire and Security EngineerLocation: Halifax/BradfordCompetitive salary + Industry leading OTE!!Our client is a highly recognised, industry leading Fire and Security business and is growing rapidly. With a track record of...Read More>>.

Posted: September 4th, 2026
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Safety and Security Engineer

Company IconNorth-PB
Location IconBirmingham

Job Title:Safety & Security EngineerLocation: BirminghamSalary: CompetitiveType: PermanentSector: Public SectorJob DescriptionOur Security engineering team, is at the heart of our business. Multi-sk...Read More>>.

Posted: September 4th, 2026
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Cyber Security Engineer

Company IconMatchtech
Location IconStevenage

Cyber Security Engineer Stevenage | Up to £92 per hour (Inside IR35) | 24 Month Contract | Onsite Stevenage We're supporting a leading organisation within the Defence sector in the recruitment of a Cyber Security Enginee...Read More>>.

Posted: September 4th, 2026
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Application Security Engineer

Company IconDeepCamp
Location IconManchester

We're looking for a Application Security Engineer to join our Manchester-based application security business as a member of the AppSec Engineering team (Open to people who can make it to our office twice a month or remote) Cytix is a platform t...Read More>>.

Posted: September 4th, 2026
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Lead Safety & Security Engineer

Company IconSSR Contract & Technical
Location Icon

Lead Safety & Security Engineer About the Role We're looking for an experienced Lead Safety & Security Engineer to take technical ownership of complex integrated security projects while providing leadership and support to engi...Read More>>.

Posted: September 4th, 2026
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Network Security Engineer

Company IconUndisclosed
Location IconKnutsford

Rate: up to £487.60 p/d Umbrellainside IR35 As an experienced Network Security Engineer, you will play a key role in designing, implementing, securing, and optimising enterprise network security services across on-premises, cloud...Read More>>.

Posted: September 27th, 2026
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Network Security Engineer

Company IconAkkodis
Location IconAston

IT Network Security Engineer - Networks, Bluecoat, Firewalls £40,000 - £50,000 (depending on experience) + bonus + benefits Hertfordshire A truly advanced organisation who are currently in a phase of growth and looking to...Read More>>.

Posted: September 27th, 2026
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Security Engineer

Company IconLT Harper Group
Location IconLondon

Senior Security Engineer (Defender / Sentinel) UK Applicants ONLY You’ll be the engineer who makes Defender and Sentinel actually work for enterprise customers: deploying them, tuning them, automating around them, and working wit...Read More>>.

Posted: October 1st, 2026
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Security Engineer

Company IconBarclay Simpson
Location IconLondon

This specialist retail company seeks an experienced Security Engineer to own security tooling and to take ownership of end-to-end security engineering projects as part of a small team.This is a broad generalist security engineering role in...Read More>>.

Posted: October 1st, 2026
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GSOC Security Engineering Lead

Company IconCyber Security training courses
Location IconBirmingham

Job description About the role KPMG International helps set strategy, protect the reputation of the global organisation and support independent member firms that provide Audit, Tax and Advisory services. Its global teams set stan...Read More>>.

Posted: October 2nd, 2026
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Cyber Security Engineer

Company IconTEKsystems
Location IconLondon

Leading international bank looking for a Cyber Security Engineer to join the team. This is a hands-on role focusing on Data and Cloud Security. Responsibilities Lead the design, implementation, and optimization of enterprise...Read More>>.

Posted: October 2nd, 2026
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Infrastructure Security Engineer - London

Company IconSpacex
Location IconLondon

Infrastructure Security Engineer - London Dublin, Ireland; London, England, United Kingdom SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our tea...Read More>>.

Posted: October 2nd, 2026
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Senior Cyber Security Engineer

Company IconRowden
Location IconFilton

We're building the UK's next generation engineering powerhouse, providing critical technology that strengthens national security and resilience.We specialise in turning advances in sensing, AI, and communications into operational cap...Read More>>.

Posted: October 2nd, 2026
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Senior Data Security Engineer

Company IconAtyeti Inc
Location Icon

We are seeking an experienced Senior Data Security Engineer to strengthen enterprise data protection across modern AI and productivity platforms. This role will lead the implementation of security controls across Google and Microsoft environments,...Read More>>.

Posted: October 2nd, 2026
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Senior Security Engineer

Company IconCloudian Inc
Location Icon

Cloudian builds HyperStore, a leading object storage platform deployed by hundreds of service providers and enterprise customers worldwide. We're extending that platform to be the storage layer for AI, with a particular focus on inferencing. Our s...Read More>>.

Posted: October 2nd, 2026
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Automation/Security Engineer

Company IconEastwood Security & Estate Services Ltd
Location IconSouthend on Sea

Eastwood Security & Estate Services was formed in 2018. We are a privately owned company and have a combined 30 years experience in the security installation and maintenance sector. We have grown over years. Although a small company we have a big...Read More>>.

Posted: October 2nd, 2026
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Solutions Architect, Network Security Offerings

Company IconCamWebDir
Location Icon

Palo Alto Networks is seeking a Solutions Architect focused on service and offer creation to shape and scale network security offerings across its portfolio. You will work at the intersection of product, engineering, GTM, and partners to define en...Read More>>.

Posted: September 27th, 2026
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Security Engineer III

Company IconHackajob Ltd
Location IconBournemouth

JOB DESCRIPTIONScroll down the page to see all associated job requirements, and any responsibilities successful candidates can expect.Take on a crucial role where you'll be a key part of a high-performing team delivering secure...Read More>>.

Posted: October 2nd, 2026
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