251 to 275 of 326 Permanent Senior Security Engineer Jobs

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, supervising multiple engineers while remaining deeply technical. This role requires deep ...

Nine Twenty Technology partners with a Glasgow-based organisation to recruit a Senior Cloud Infrastructure Engineer. The role focuses on Azure and Microsoft 365 across security, identity, and cloud migration, within a collaborative IT team. The successful candidate will manage Defender, Purview and Entra ID, lead cloud-native ...

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 ...

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 ...

National Physical Laboratory seeks a Senior Network Engineer to lead on‐prem network design, deployment, and security within a hybrid infrastructure. You will manage Alcatel‐Lucent switches, Fortinet firewalls, and associated services, while coordinating with cybersecurity for secure, reliable connectivity across the UK site footprint. ...

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 ...

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 ...

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 ...

Orca Security in Boston is seeking a Sales Engineer to partner with the Enterprise Sales team, providing in-depth technical knowledge during evaluations and helping close opportunities. You will deliver demonstrations, stay current with Orca Cloud, and collaborate across Sales, Engineering, and Marketing to bring customer value. Ideal … candidates have 5+ years in sales engineering, 3+ years in cloud security, a Bachelor’s degree, and outstanding presentation skills. #J-18808-Ljbffr ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

ByteHire is seeking a Senior Software Engineer (PHP) to join a small backend team building a cloud-native cybersecurity platform. You will design and implement high-performance backend services, REST APIs, and data pipelines using PHP (Laravel). The role emphasises Elasticsearch, MySQL, Docker, and AWS, with ...

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 ...

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 ...

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 ...

Smarkets is building a security engineering function from the ground up to support its cloud-native trading platform and regulated business. You will stand up the security program, implement guardrails, and automate security across CI/CD pipelines while partnering with infrastructure and engineering teams. You will ...

Networks, Inc. in the United Kingdom seeks a senior Solutions Engineer to articulate F5's product strategy and value for customers, leveraging data centers, virtualization and cloud environments to enable secure, scalable applications. You will deliver technical demonstrations and proof plans, map decision makers, drive the sales process ...

Systems Digital Intelligence in London is seeking a Senior ML Engineer to design, optimize and productionize machine learning and GenAI solutions for national security problems. You will collaborate with Data Scientists, Software Engineers, Product Management and Government stakeholders across the full lifecycle from hypothesis through production deployment. ...

Wise is seeking a Senior Software Engineer I to join the Account Integrity team, building a new, scalable fraud-prevention network that safeguards customer accounts and supports a global customer base. This high-impact role blends backend and frontend work with a strong product focus and real-world … security outcomes. You will own end-to-end projects, design and operate CI/CD pipelines, work with relational and NoSQL databases, and advocate best coding practices. #J-18808-Ljbffr ...

2MRW Group is seeking a Senior Systems Engineer (Team Lead) to oversee the firm’s infrastructure with a focus on Active Directory, Azure, MFA, and VMware ESX. The role involves leading technical projects, collaborating across Cloud & Compute Engineering, IT Operations, and security teams. The candidate should demonstrate ...

Refractal Ltd is seeking a Senior Forward Deployed Engineer to lead deployments for banks, insurers and enterprises across the UK and Europe. You will work within customer security, risk and AI teams to deploy and integrate Refractal in their environments, translating regulatory requirements into enforceable controls. ...