Showing 12 of 3,251 vacancies
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Security Engineer - MSSP, KQL, Sentinel, Defender - London (Hybrid)
Nova Source Technologies • South East • 25 Oct 2026
£75000.00 - £75000.00 per annual

Security Engineer (SIEM / XDR) - Microsoft Sentinel, Defender, Endpoint, Detection Engineering, Detection-as-Code, KQL, Security Automation, SOAR, Playbooks, Telemetry, Cloud Security, APIs, CI/CD,...

Permanent Hybrid
HA
Vulnerability Researcher Internship
Hackajob Ltd • Gloucestershire • 25 Oct 2026
not provided

Our client is a cyber security company. 9th November 2026 , we reserve the right to close this advert early if we receive a high volume of suitable applications. Our client's mission is to deliver...

Permanent Hybrid
HA
Security Testing Consultant (Penetration Tester) Hybrid
Hackajob Ltd • Surrey • 25 Oct 2026
not provided

Our client is the digital and intelligence arm of a major defence company. Location(s): UK, Europe & Africa : UK : Frimley UK, Europe & Africa : UK : Gloucester UK, Europe & Africa : UK : Guildford...

Permanent Hybrid
RE
Security Engineer (AI Red Team)
Refractal Ltd • London • 25 Oct 2026
Competitive

About Refractal Refractal is an AI security company building the infrastructure organisations need to defend against autonomous AI threats. 2026 has shown that generally capable intelligence is...

Permanent Hybrid
VU
Snr. Information Security Analyst(Remote)
VulnU • Gloucestershire • 25 Oct 2026
Competitive

# Snr. Information Security Analyst(Remote)KnowBe4 knowbe4.comCategory: Security EngineeringLocation: Cheltenham, England, United Kingdom Quality of lifeWhat the posting states. Hover or tap a perk...

Permanent Remote SC Cleared
RE
Security Engineer (Detection & Response)
Refractal Ltd • London • 25 Oct 2026
Competitive

About Refractal Refractal is an AI security company building the infrastructure organisations need to defend against autonomous AI threats. 2026 has shown that generally capable intelligence is...

Permanent Hybrid
VU
Senior InfoSec Analyst (Remote) - Threat Detection
VulnU • Gloucestershire • 25 Oct 2026
Competitive

KnowBe4 is seeking a Snr. Information Security Analyst to protect company and customer data by monitoring threats and implementing security measures. You will respond to security incidents, review...

Permanent Hybrid SC Cleared Featured
MC
Sr Manager, Cyber Defense
McDonald's • London • 25 Oct 2026
Competitive

Company Description McDonald's is proud to be one of the most recognized brands in the world, with restaurants in over 100 countries that serve 70 million customers daily. As the global leader in...

Permanent Hybrid
HA
Experienced Vulnerability Researcher
Hackajob Ltd • Wiltshire • 25 Oct 2026
not provided

Our client is a cyber security company. Working for our client as a vulnerability researcher will see you join a world-class team of developers and vulnerability researchers whose mission is to...

Permanent Hybrid
HA
Senior Cyber Software Engineer/ Technical
Hackajob Ltd • Gloucestershire • 25 Oct 2026
not provided

Our client is the digital and intelligence arm of a major defence company. Location(s): UK, Europe & Africa : UK : Gloucester Our client is home to 4,500 digital, cyber and intelligence experts. We...

Permanent Hybrid Featured
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Security Engineer - Detection Engineering
Tesco • Hertfordshire • 25 Oct 2026
Competitive

As a Security Engineer within Tesco's Detection Engineering team, you will design and implement advanced security monitoring capabilities that proactively protect a global retail ecosystem serving...

Permanent Remote
TE
Senior Data Platform Engineer: Cyber Analytics & GenAI
Tesco • Hertfordshire • 25 Oct 2026
Competitive

As the Senior Data Platform Engineer in the Cyber Data Platform team, you will play a key role in building and maintaining a robust data platform that enables users to develop advanced analytics,...

Permanent Remote Featured