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Principal Security Researcher

Remote / Online - Candidates ideally in
South East London, London, Greater London, W1B, England, UK
Listing for: PRISM DIGITAL LIMITED
Full Time, Remote/Work from Home position
Listed on 2026-06-02
Job specializations:
  • IT/Tech
    Cybersecurity, Security Manager
Salary/Wage Range or Industry Benchmark: 80000 - 90000 GBP Yearly GBP 80000.00 90000.00 YEAR
Job Description & How to Apply Below
Location: South East London

Principal Security Researcher | Scripting, CRT/OSCP & CVEs | Security SaaS Principal Security Researchers / Pen Testers / Red Teamers / Bounty Hunters. Prism Digital have partnered with a super interesting and niche VC-backed client specialising in attack surface management and automated red teaming. Their platform provides organisations with real-time visibility into their attack surface and potential exploitable vulnerabilities. They have received numerous awards for being an up-and-coming security SaaS product company and show no signs of slowing down their growth.

They've completed Series A funding, raising $29 million across three funding rounds, and are now seeking two Principal Security Researchers / Pen Testers / Red Teamers / Bounty Hunters. This role sits within their Labs function, where you will be responsible for identifying weaknesses within their clients infrastructure, applications and overall estate. For the security vulnerabilities you find, you will be expected to explain the vulnerability to their client, the impact of the vulnerability and if possible the process they'd go to patch this vulnerability.

Key Requirements 3 years as a security researcher with proven experience finding vulnerabilities Scripting in Python and/or GoLang, so you can find security vulnerabilities at scale CRT / OSCP (must have) Published CVEs Nice to have CCSAS / CCT (nice to have) Spoken at conferences - shows passion and deep security interest The Package £80,000 - £90,000 Competitive Pension Shares Private Health Insurance via AXA Remote Working Quartely UK Meetups 28-day holidays (including bank holidays) Yearly salary reviews This role does not accept applicants outside of the UK, nor does it offer sponsorship Principal Security Researcher | Scripting, CRT/OSCP & CVEs | Security SaaS
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