101 to 125 of 157 Senior Security Engineer Jobs in the UK excluding London

Senior C++ Browser Engineer Hybrid & Security

Location
Cambridge, England, United Kingdom
Wolf Security in Cambridge, UK is seeking a Senior Software Engineer for Browser (C++). You will design and develop core features for secure browsing, contribute C++ and TypeScript for a Chromium-based secure browser, and extend Firefox-based browsers while enhancing automation with Python. You will … join a growing R&D team, work on micro-virtualization security, and participate in feature delivery across web extensions, browser cores, and test components with hybrid working arrangements. #J-18808-Ljbffr ...

Senior Security Systems Engineer — Defence (Hybrid)

Location
Southampton, England, United Kingdom
Leonardo UK in Southampton is seeking a Systems Engineer to design and develop security-related functionality for our airborne communications system. You will work across project teams, security functions, international partners and customers to solve real engineering problems and deliver secure, robust solutions. The role focuses ...

Senior Network Security Engineer

Hiring Organisation
CRG TEC
Location
City, Manchester, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Line Network Engineer £43,000-£49,000 24 days holiday + bank holidays, pension, paid parking, phone allowance, funded training & certifications Manchester/Warrington - 1 day a week from home Travel to customer-site travel across the North West as required The Opportunity: If you enjoy getting into complex ...

Senior Software Engineer - AI Security

Location
Oxford, England, United Kingdom
cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from … response. Sophos offers industry-leading managed detection and response (MDR) alongside a comprehensive portfolio of cybersecurity technologies — including endpoint, network, email, and cloud security, extended detection and response (XDR), identity threat detection and response (ITDR), and next-gen SIEM. Together with expert advisory services, these capabilities help organizations proactively ...

Senior Network Engineer — Cloud & Security Solutions Lead

Location
York and North Yorkshire, England, United Kingdom
OneAdvanced in the United Kingdom is seeking a Senior Network Engineer to join a customer-centric squad. You will design and implement network and security solutions across on-premise, cloud and hybrid environments, aligned with customer architectural teams. Ideal candidates will operate at CCNP/CCIE level ...

Senior Software Engineer – National Security Systems

Location
Birmingham, England, United Kingdom
National Physical Laboratory in Birmingham is seeking a Senior Software Engineer to lead the design and architecture of systems that support security testing. This hands-on role requires expertise that directly impacts national security by ensuring the delivery of secure software. Ideal candidates will possess strong ...

Senior GCP Infrastructure Engineer: Cloud & Security

Location
Cardiff, Wales, United Kingdom
Engine by Starling is seeking a Senior Infrastructure Engineer to design, build, and operate scalable cloud foundations across regions and providers. You will own infrastructure from conception through production, emphasising reliability, security, and cost-effectiveness. The role requires strong GCP/Terraform skills, experience with CI/… pipelines, and a mindset for automation and security by design in a fast-paced fintech environment. #J-18808-Ljbffr ...

Senior Solutions Engineer: UK Defence & Security

Location
Marlow, England, United Kingdom
recruiting a Senior Solutions Engineer for the UK Defence & Security sector, based in Marlow with hybrid working. You will combine technical credibility with industry insight to translate government and defence needs into SAS data, AI, and analytics solutions, shaping the technical strategy in close partnership with ...

Senior MSP Endpoint Automation & Security Engineer

Location
Birmingham, England, United Kingdom
Probrand in Birmingham is seeking a Senior/Lead Managed Endpoint Services Engineer to lead architecture, automation and security across our managed services. The role focuses on standardising onboarding, monitoring, patching and backup processes at scale, working with NinjaOne, SonicWall and Acronis platforms. Hybrid working arrangement ...

Senior Test Engineer - National Security (On-site, Agile)

Location
Manchester, England, United Kingdom
Frontier Resourcing is seeking a Senior Test Engineer (eDV) to join our software delivery function in a National Security-facing role. The position is office-based at one of Gloucestershire, Manchester or London locations. You will work within an experienced team, ensuring software quality across multiple business … areas, with emphasis on eDV UK Security Clearance. The role requires collaboration with agile delivery teams and proficiency in test automation and environments. #J-18808-Ljbffr ...

Senior Test Engineer - National Security (On-site, Agile)

Location
Gloucester, England, United Kingdom
Frontier Resourcing is seeking a Senior Test Engineer (eDV) to join our software delivery function in a National Security-facing role. The position is office-based at one of Gloucestershire, Manchester or London locations. You will work within an experienced team, ensuring software quality across multiple business … areas, with emphasis on eDV UK Security Clearance. The role requires collaboration with agile delivery teams and proficiency in test automation and environments. #J-18808-Ljbffr ...

Senior Python Engineer — Cloud Integrations & Security

Location
Belfast City District, Northern Ireland, United Kingdom
Proofpoint is hiring a Senior Software Engineer for the XFI team within the Cloud Integration Group in Belfast. You will help scale the Cross Functional Integrations services that connect to Microsoft and Google email platforms, delivering secure, high-performance integrations for both inbound and outbound traffic. You will … design reliable distributed systems, improve scalability and reliability, and ship code daily using CI/CD pipelines while focusing on security and data protection. #J-18808-Ljbffr ...

Senior IaC & Security Automation Engineer

Location
Lancashire, England, United Kingdom
Matchtech is recruiting for a Senior Infrastructure Engineer to join the Synthetic Training and Engineering Products team in Warton, Lancashire. The role is a 12-month, full-time, on-site contract focusing on Infrastructure as Code, automation and secure delivery of synthetic training device infrastructure. You'll design … build and maintain IaC patterns, use Ansible in secure environments, and work with security engineers to ensure compliance with ITAR and UK Eyes Only constraints while #J-18808-Ljbffr ...

Senior Microsoft 365 Engineer — Platform & Security Lead

Location
Peterborough, England, United Kingdom
Bauer Media Group is seeking a Senior M365 Engineer to own and evolve Bauer's Microsoft 365 environment. You’ll lead complex projects, drive improvements, and implement the M365 roadmap for an international organisation, mentoring engineers and delivering secure, scalable workplace services to thousands of colleagues. This hands … role requires deep technical expertise in Microsoft 365, security, and automation, with collaboration across Architecture, Security, and Product teams. #J-18808-Ljbffr ...

Senior Infrastructure & Security Engineer

Location
Kettering, England, United Kingdom
Northamptonshire Healthcare NHS Foundation Trust in Kettering invites applications for a Senior Infrastructure Operations Engineer. You will support network and infrastructure services, contribute to technical design, and help implement a secure, resilient technology architecture aligned with NHFT's IT Strategy. The role covers cloud-first migration, cyber security ...

Senior Network & Security Engineer - OT & DC

Location
Aberdeen City, Scotland, United Kingdom
leading technology provider in Aberdeen City is seeking a highly skilled Network Engineer to deliver critical national infrastructure. The role involves leading projects from design through implementation, troubleshooting complex network issues, and mentoring junior team members. Ideal candidates will have CCNP certification and extensive knowledge of network security ...

Senior Hardware Engineer — Embedded Security Systems

Location
Cambridge, England, United Kingdom
Entrust Corporation in Cambridge is seeking a Senior Hardware Engineer to join our dynamic team. You will contribute to the design and development of secure hardware solutions, focusing on hardware design with an emphasis on quality and security. The ideal candidate has experience in electronic design, particularly with ...

Senior SIEM & Security Platform Engineer (Hybrid)

Location
Bath, England, United Kingdom
Leonardo UK, based at one of our UK sites, seeks a Senior Application Engineer to deliver, maintain, and improve platform and systems engineering solutions underpinning critical defence and public services. You will configure SIEM/EDR tooling, work within an agile team, mentor engineers, and ensure secure ...

Senior Software Engineer — Hybrid & Impactful Security Tech

Location
Cheltenham, England, United Kingdom
GCHQ is seeking a Senior Software Engineer in Cheltenham/Manchester who will drive architecture and design of mission-critical systems, delivering high-quality software and promoting best practices across teams. You will work with C++, Golang, Python, Rust and cloud platforms AWS/Azure/GCP, contributing ...

Senior Project Engineer - Electronic Security Installations

Location
Slough, England, United Kingdom
Chubb Fire & Security Group is seeking an experienced Project Engineer to own delivery of electronic security installations across CCTV, access control, intruder alarm, and integrated systems. You will mobilise, supervise, test, and handover projects while coordinating engineers and subcontractors on site. The role covers Oxfordshire and Buckinghamshire ...

Senior Detection Engineer - AI-Driven Cloud Security (Hybrid, UK)

Location
Guildford, England, United Kingdom
Electronic Arts in Guildford, UK seeks a Senior Detection Engineer to advance our detection engineering strategy within the Enterprise Security team. This role is essential to safeguarding EA's cloud and production environments and will directly impact our ability to detect, respond to, and prevent cyber threats … scale. As a senior individual contributor, you will mentor junior engineers, help define engineering direction, and lead the development of scalable threat detection solutions, #J-18808-Ljbffr ...

Senior GCP DevOps Engineer: Kubernetes & Security

Location
Leeds, England, United Kingdom
Leeds, United Kingdom is seeking a Senior Cloud Engineer to lead hands-on cloud platform work on Google Cloud Platform (GCP). You will architect, deploy, and secure Kubernetes clusters, drive multitenant workloads, and implement robust CI/CD pipelines within a cloud-native environment. Key focus areas … include Istio service mesh, OPA Gatekeeper policies, IaC with Terraform, and GitOps workflows. Strong security, networking, and automation skills are essential for this role. #J-18808-Ljbffr ...

Senior 3rd‐Line Security Engineer – Onsite Incident Leader

Location
East Midlands, England, United Kingdom
Group in Derby is seeking a 3rd Line Security Specialist to provide lead technical support on complex security incidents, working onsite at a secure customer facility. The role requires hands-on expertise across Cisco/Checkpoint/F5, strong incident management, and the ability to coordinate with designers … wider teams; eligibility for Government Security Clearance to SC UK Eyes Only Level is essential. #J-18808-Ljbffr ...

Senior VMware Engineer (VCF) – Hybrid Cloud & Security Lead

Location
Erskine, Scotland, United Kingdom
Technology is seeking a Senior VMware Engineer (VCF) to shape secure cloud infrastructure in the UK. Hybrid working options are available from Erskine or Newcastle, with a focus on designing, building and optimising VMware environments and related platforms. You will lead delivery on mission-critical environments, mentor teams ...

Senior C/C++ Software Engineer - Security & Data Processing

Location
Guildford, England, United Kingdom
Group in the United Kingdom is seeking an experienced Software Engineer to tackle security-focused software and data-processing challenges in a highly specialist environment. The role centers on C/C++ development and solving technically complex problems across disciplines. You will work across multiple projects, mentor junior ...