Showing 12 of 1,073 vacancies
CL
Security Engineer (Applied Research & Labs)
Cloudflare • United Kingdom • 27 Oct 2026
Competitive

Cloudflare is seeking a Security Engineer to design and build agentic security tooling for Cloudflare Security, and to release that work as open-source reference implementations, interactive labs,...

Permanent Hybrid
RT
Vulnerability Researcher (Hardware Focus)
RTX • gloucester • 27 Oct 2026
Competitive

Date Posted: Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Hybrid At RTX, the world’s largest aerospace and defense company, 185,000 great minds are united...

Permanent Hybrid SC Cleared
BT
AI-Driven Cyber Security Research Lead
BT Group • london • 27 Oct 2026
Competitive

BT Group is seeking a Research Technical Manager to apply AI-driven cyber security technologies and programmable network capabilities. You will work with a small research team to transform ideas...

Permanent Hybrid Featured
HA
Experienced Vulnerability Researcher
Hackajob Ltd • harnham • 27 Oct 2026
£61,000 - £101,000

Salary: £61,000 - 101,000 per year Requirements We are looking for candidates with a bug hunting, ethical hacking or reverse engineering background. We require an inquisitive mindset and enthusiasm...

Permanent Hybrid
AM

Description Amazon is looking for a focused Security Engineer who can take on a leadership role in responding to security issues across the largest cloud provider in the world. The right candidate...

Permanent Hybrid
TH
Senior Cloud Security Engineer
Thought Machine • lisboa • 27 Oct 2026
€90 - €125

Thought Machine's mission is bold – to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and...

Permanent Hybrid Featured
JA
Competitive

Jane Street in London is seeking a Cybersecurity Detection and Response Analyst to protect employees, data, and infrastructure from internet threats. This role blends incident response, detection...

Permanent Hybrid
JO
SaaS Security Engineer – Agentic AI & API Defense
Jobs Paloaltonetworks • United Kingdom • 27 Oct 2026
Competitive

Palo Alto Networks is seeking a Senior Security Architect to architect defenses, monitor pipelines, and govern agentic AI workflows, API permissions, and enterprise SaaS-to-SaaS connections. This...

Permanent Hybrid
CL
Vulnerability Defense Software Engineer - Threat Operations
Cloudflare • United Kingdom • 27 Oct 2026
Competitive

Cloudflare is seeking a Software Engineer for Cloudforce One, its threat operations and research team. You will build scalable applications that translate security requirements into actionable...

Permanent Hybrid
GE
Application Security Engineer
Genomics • oxford • 27 Oct 2026
Competitive

The Mission: Why We Exist Genomics is a science-led transatlantic TechBio combining large-scale genetic and health data with proprietary analytics to accelerate drug discovery and advance...

Permanent Hybrid
SA
Cyber Software Engineer — AI, Cloud & Low-Level Systems
Sanderson Government and Defence • manchester • 27 Oct 2026
Competitive

Sanderson Government and Defence in the United Kingdom is seeking an experienced software engineer to contribute to the research, design, and development of critical systems supporting National...

Permanent Hybrid
CI
Penetration Tester
Citation Cyber • basingstoke • 27 Oct 2026
Competitive

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's...

Permanent Hybrid