Security Engineer Jobs in the United Kingdom with Visa Sponsorship

7 security engineer jobs in the United Kingdom that offer visa sponsorship, from 5 companies, posted in the last 60 days. Latest posting 2026-10-08.

Lists jobs whose title mentions: security.

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The 7 newest security engineer jobs in the United Kingdom

  1. Security Engineer (AI Red Team)

    Refractal

    • London, United Kingdom
    • On-site
    • Full-time
    • 2–5 years experience
    • Posted 2026-10-08

    What you'll do: You will design and execute adversarial security assessments on AI systems and agents to identify vulnerabilities. Additionally, you will collaborate with engineering teams to document findings, recommend mitigations, and build…

    What they ask for: Candidates must have hands-on experience in offensive security or adversarial testing of AI systems. A strong understanding of web application security, authentication, and the ability to write automation code is required.

    • Offensive security
    • Application security testing
    • Adversarial testing
    • AI security
    • Web applications

  2. Security Engineer (Detection & Response)

    Refractal

    • London, United Kingdom
    • On-site
    • Full-time
    • 2–5 years experience
    • Posted 2026-10-08

    What you'll do: You will translate complex detection and investigation workflows into actionable product requirements for engineering teams. Additionally, you will design test cases and evaluate product outputs to ensure high-quality threat detection and…

    What they ask for: The role requires hands-on experience in writing detection rules and utilizing SIEM platforms like Splunk or Datadog for threat investigation. You must be able to bridge the gap between security practitioner needs and software engineering…

    • Detection engineering
    • Incident response
    • SIEM
    • Splunk
    • Datadog

  3. Senior Cyber Security Engineer

    Scottish Government Recruitment

    • United Kingdom
    • On-site
    • Full-time
    • 5–10 years experience
    • Posted 2026-09-23

    What you'll do: The Senior Cyber Security Engineer leads the design, implementation, and assurance of security controls across cloud platforms, applications, and infrastructure. They act as a technical authority, providing risk-based guidance and…

    What they ask for: Candidates must have experience implementing cloud-native security controls such as IAM, encryption, and monitoring. They should also demonstrate expertise in embedding security across the full delivery lifecycle and utilizing…

    • Cloud security
    • Cyber security
    • Infrastructure as code
    • Identity and access management
    • Vulnerability management

  4. Staff Software Security Engineer

    Anthropic

    • United Kingdom
    • On-site
    • Full-time
    • 10+ years experience
    • Posted 2026-09-03

    What you'll do: The role involves building and maintaining security infrastructure for large-scale AI clusters, including network segmentation, IAM, and encryption controls. You will also design secure-by-design development workflows and mentor…

    What they ask for: Candidates must have 8-15+ years of software engineering experience with strong proficiency in Python or systems languages like Go, Rust, or C++. Expertise in cloud network security, Kubernetes, and threat modeling for complex distributed…

    • Software security
    • Python
    • Go
    • Rust
    • C++

  5. Senior Cyber Security Engineer

    Co-op

    • United Kingdom
    • On-site
    • Full-time
    • 5–10 years experience
    • Posted 2026-09-01

    What you'll do: The engineer will design, implement, and improve security technologies to protect systems and data from emerging threats. They will also collaborate with cross-functional teams to ensure security solutions are observable, automated, and…

    What they ask for: Candidates should have experience in cyber security engineering within complex environments and strong knowledge of security tooling, SIEM, and cloud-native technologies. Proficiency in observability, risk management, and the ability to…

    • Cyber security engineering
    • Security tooling
    • Security operations
    • SIEM
    • Cloud-native security

  6. Product Security Engineer

    Apollo Research

    • United Kingdom
    • On-site
    • Full-time
    • 5–10 years experience
    • Posted 2026-09-01

    What you'll do: You will own the security posture of the Watcher product, designing and operating core security controls while managing customer-facing security communications. Additionally, you will collaborate with the infrastructure team to define…

    What they ask for: Candidates must have 5+ years of hands-on technical security experience, including expertise in application, cloud, or product security. You must possess an engineering mindset with the ability to read code, build custom security…

    • Product security
    • Cloud security
    • Application security
    • Identity and access management
    • Infrastructure security

  7. Security Engineer

    Apollo Research

    • United Kingdom
    • On-site
    • Full-time
    • 5–10 years experience
    • Posted 2026-08-28

    What you'll do: Design, build, and operate core security controls including identity management, cloud infrastructure, and endpoint security. Establish security practices across the organization and lead major security projects from ideation to…

    What they ask for: Requires 5+ years of hands-on technical security experience with a strong engineering mindset. Candidates must demonstrate the ability to build custom solutions, think structurally about threat modeling, and influence teams without formal…

    • Security engineering
    • Cloud security
    • Identity and access management
    • Infrastructure security
    • Endpoint management

Most requested skills

  • Cloud security 5
  • Automation 4
  • Incident response 4
  • AI security 3
  • Identity and access management 3
  • Infrastructure security 3
  • Risk assessment 3
  • Security architecture 3
  • Threat modeling 3
  • Application security 2
  • Detection engineering 2
  • Endpoint management 2

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