Showing 12 of 719 vacancies
ME
Security Engineer: Build Scalable Defenses for Global Apps
Meta • city of westminster • 27 Oct 2026
Competitive

Meta is seeking a Security Engineer to protect billions of users and Meta's global infrastructure. You will perform security assessments, threat modeling, and vulnerability research across mobile,...

Permanent Hybrid
AM
Security Engineer, SDO AppSec
Amazon • london • 27 Oct 2026
Competitive

At Amazon, security is central to maintaining customer trust and delivering delightful customer experiences. Our organization is responsible for creating and maintaining a high bar for security...

Permanent Hybrid
CI
Penetration Tester
Citation Cyber • bath • 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
MA
Cybersecurity Engineer (It Security)
Mats Research, Inc. • london • 27 Oct 2026
£130,000 - £180,000

About the organization MATS finds and trains talented individuals for what we see as the world's most urgent and talent-constrained problem: reducing risks from unaligned artificial intelligence....

Permanent Remote
SO
Incident Response Analyst
Sophos • oxford • 27 Oct 2026
Competitive

About Us Sophos is a 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...

Permanent Remote
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