276 to 300 of 366 Senior Security Engineer Jobs in the UK

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 ...

Remote Senior Cloud-Native Security Engineer

Location
Greater London, England, United Kingdom
help organisations adopt secure-by-design cloud infrastructures and offer deep expertise in threat modelling, DevSecOps, and platform engineering. We are looking for Senior Cloud Native Security Consultants to lead client engagements, contribute to internal labs, and represent ControlPlane in Open Source communities. #J-18808-Ljbffr ...

Senior Network Engineer - Hybrid Cloud & Security

Location
Greater London, England, United Kingdom
Viasat is seeking a Senior Network Engineer to ensure reliable, secure, and scalable enterprise network operations across on‐premises and cloud environments. You will contribute to network architecture, deployment, and operational readiness, partnering with infrastructure, security, and application teams. The role requires deep networking expertise, cloud networking ...

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 Software Engineer (Ruby), Security Platform: Authorization

Hiring Organisation
GitLab
Location
United Kingdom, UK
Employment Type
Full-time
GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software … Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab. An overview of this roleAs a Senior Software Engineer on GitLab's Authorization team, you will own significant parts of the system that decides what every user, token, and automated agent ...

Senior Cloud Engineer: AWS, SRE & Security

Location
Greater London, England, United Kingdom
Pacific Life Re is seeking a Senior Cloud Engineer to maintain, optimise, and evolve AWS workloads across multiple regions. The role focuses on security, reliability, governance, and lifecycle management, operating within enterprise standards and cloud shared services. You will engage in platform provisioning, improve tooling, and support ...

Senior Platform Engineer — Linux, Automation & Security

Location
Teddington, England, United Kingdom
National Physical Laboratory (NPL) in the United Kingdom seeks a Senior Platform Engineer to lead Linux, tooling and security across enterprise platforms. The role focuses on automation, DevOps practices, PKI, and identity/security services, with travel to sites as required. Fixed-term 12-month contract ...

Senior Software Engineer Gloucester National Security West

Hiring Organisation
Hackajob Ltd
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Senior Software Engineer Requisition ID: 123022 Location: Gloucester We offer a range of hybrid and flexible working arrangements please speak to your recruiter about … options for this particular role. Grade: GG09-GG11 Referral Bonus: £5,000 About the role The National Security business in Gloucester is growing and there are an increasing number of opportunities to work with a range of National Security clients to provide solutions that have a real impact. ...

Senior Cloud Engineer - AWS, Terraform & Security (London)

Location
Greater London, England, United Kingdom
QinetiQ Limited in London is seeking a Senior Cloud Engineer to design, build and support secure AWS-based environments for high‐security customer programmes. You will join a growing cloud engineering team, collaborating with technical leads, architects and stakeholders to deliver resilient infrastructure and automated deployments. With ...

Senior Mobile Offensive Security Engineer

Location
Greater London, England, United Kingdom
Klarna seeks an experienced offensive mobile security specialist to protect its iOS and Android apps. You will conduct pentests and red-team exercises, reverse-engineer binaries, and apply MASVS/MASTG guidance to drive concrete engineering fixes. You will collaborate with software engineers to harden app security, test RASP protections, and document actionable remediation steps. This role requires hands-on testing across mobile platforms and a track record of security research or bug bounty work. #J-18808-Ljbffr ...

Security-Focused Senior Infrastructure Engineer (SC/DV)

Location
Greater London, England, United Kingdom
Associates is seeking an experienced SC/DV-cleared Senior Infrastructure Engineer for a London-based hybrid role. You will design, implement and support secure Microsoft infrastructure across complex enterprise environments, focusing on identity, security, automation and operations. Active clearance is required, with 2–3 days onsite ...

Senior Network Engineer: Hybrid Cloud & Security SME Remote

Location
Greater London, England, United Kingdom
Hamilton Barnes Associates Limited is seeking a Senior Network Engineer to take technical ownership of design, implementation, and mentoring within a small engineering team. This home-based role includes occasional visits to our East London data centre and covers routing, switching, network security, wireless, cloud networking … Linux technologies. You will design, deliver, and support a hybrid network spanning on‐premises, data centre, and cloud environments, act as senior SME, mentor junior #J-18808-Ljbffr ...

Senior Solutions Engineer - DevOps & Security (Hybrid)

Location
Greater London, England, United Kingdom
JFrog in London is seeking a Senior Solutions Engineer to guide strategic customers through DevOps and DevSecOps journeys using the JFrog Platform. You will collaborate with Sales, Product & Engineering to translate technical value and business impact, and help shape customer success from initial engagement to adoption across cloud ...

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 Cloud Engineer - Azure Automation & Security Lead

Location
Greater London, England, United Kingdom
Carrington Blake Recruitment is looking for an experienced Senior Cloud Engineer to join our Cloud Engineering team. This role encompasses designing and delivering scalable cloud infrastructures and supporting automation initiatives. The candidate must possess strong skills in Microsoft Azure environments, Infrastructure as Code, and cloud security best ...

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 AI Security Engineer - Hybrid Lead

Location
Gresham, England, United Kingdom
Lloyds Banking Group seeks an AI Security Engineering Lead to design and deliver secure engineering patterns, controls, and tooling for its AI/ML ecosystem. This hands-on technical leadership role requires deep expertise in securing AI systems, engaging with cross-functional teams, and driving secure-by-design practices ...

Senior Mobile Security Engineer (MDM & App Store)

Location
United Kingdom
Railway Corp is seeking a Mobile Device Engineer to join our IT team and help design, test, and deploy secure mobile configurations for a large fleet of devices. You will work closely with the MDM team to implement policies and ensure app store integrity across offices. The role requires … 3+ years in mobile device management, experience with major MDM platforms, and a focus on security, policy compliance, and user experience for diverse employee groups. #J-18808-Ljbffr ...

Senior AI Security Engineer & Lead Architect

Location
West of England, England, United Kingdom
Career Choices Dewis Gyrfa Ltd is seeking an experienced AI Security Engineering Lead to design and deliver secure patterns, controls and tooling for our AI/ML systems. This is a hands-on technical leadership role, with code, automation and platform design responsibilities. The role requires deep expertise …/ML security, modern software engineering, and SecDevOps practices, and offers a hybrid work pattern across multiple UK sites with generous benefits. #J-18808-Ljbffr ...

Senior DevOps Engineer: Cloud, Kubernetes & Security

Location
Harwell, England, United Kingdom
Oxford Dynamics in the Greater Oxford Area seeks a Senior DevOps Engineer to own cloud infrastructure end-to-end with a strong AWS/Kubernetes and CI/CD focus. You will design, implement and audit scalable platforms, automate delivery pipelines and drive cost-efficient, secure operations across … multi-account environments while ensuring compliance with industry standards and security best practices. Join a mission-driven team building frontier AI systems for high-stakes environments, with a #J-18808-Ljbffr ...

Senior Network Infrastructure Engineer – Cloud, Security & WAN

Location
Hinstock, England, United Kingdom
Lloyd's Register International seeks a Senior Infrastructure Engineer (Networks) to design, implement, and maintain a diverse IT infrastructure across on‐prem and cloud environments. Based in the Infrastructure team within Information Services, you will provide 3rd line support and contribute to service improvements. The role involves line … management of an Infrastructure Engineer (Networks) and working closely with Service Desk and other IT service areas to ensure robust networking, telephony, #J-18808-Ljbffr ...

Senior Offensive Security Engineer - Red Team & Automation

Location
Greater London, England, United Kingdom
London Stock Exchange Group (LSEG) is seeking an experienced Senior Associate to manage vulnerability discovery, offensive testing and remediation across the group. You will collaborate with 3rd party vendors to plan and facilitate testing programs, including TLTP, Red Teaming, Bug Bounty and continuous external attack surface management. The role ...

Senior GCP Infrastructure Engineer: Security & Automation

Location
Greater London, England, United Kingdom
Jobtailor is seeking a seasoned Cloud Infrastructure Engineer to design, deploy and operate scalable GCP-based solutions in a security- and compliance-driven environment. You will drive automation, support cost-effective performance, and mentor teams in best practices across IaC, CI/CD and observability. Responsibilities include leading … complex projects from inception to run, shaping tooling and architecture, and delivering features with reliability and security at the forefront. #J-18808-Ljbffr ...

Senior Application Security Engineer

Hiring Organisation
Hackajob Ltd
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
subject to experience Why This Role Exists Redgate's product teams move fast, across a growing set of AI and cloud-native technologies, and security can't just be a gat click apply for full job details ...

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 ...