3 of 3 Permanent Offensive Security Jobs in East Sussex

Senior Principal Offensive Security Engineer

Hiring Organisation
Oracle
Location
Brighton, East Sussex, UK
Employment Type
Full-time
Oracle Cloud Infrastructure (OCI) Offensive Security team provides OCI with the capabilities to ensure our systems and services meet the security objectives we communicate to customers. The Offensive Security group performs security assessments, vulnerability research, static and dynamic analysis research, penetration testing, red-teaming … security tool development. We ensure the security of the software and hardware that runs our cloud infrastructure and strive for continuous improvement. The OCI Offensive Security group works as a team. We don't fit people into predefined roles. We bring together the right people ...

CHECK Pen Tester , CSTM

Hiring Organisation
BreachLock, Inc
Location
Brighton, East Sussex, UK
Employment Type
Full-time
Penetration Testing. Our AI-enhanced PTaaS and Adversarial Exposure Validation platforms deliver evidence-based risk insights for enterprises worldwide. We are expanding our UK offensive security team and hiring a CHECK-certified Penetration Tester to support our growing portfolio of government and enterprise clients. Eligibility Requirement (Important … manual, high-depth testing and advanced exploitation aligned with industry standards (OWASP, NCSC, CREST). Support adversarial validation engagements, collaborating with internal and client security teams. Produce clear, actionable reports and present findings to technical and executive stakeholders. What You Bring Valid CHECK certification (e.g., CRT or equivalent). ...

Penetration Tester

Hiring Organisation
Digital Waffle
Location
Brighton, East Sussex, UK
Employment Type
Full-time
Title: Penetration Tester (CHECK Team Member) Location: UK (Hybrid/Remote) Experience: 1–3 years Eligibility: UK National (must be eligible for security clearance) About the Role: We're looking for a Penetration Tester (CHECK Team Member) to join our growing cybersecurity team. You'll conduct network … application security testing for a range of clients, helping identify vulnerabilities and strengthen defences. Key Responsibilities Deliver high-quality penetration tests and vulnerability assessments. Produce clear, actionable reports and remediation guidance. Support CHECK-accredited engagements and collaborate with senior testers. Stay current with new exploits, tools, and testing techniques. ...