2 of 2 Permanent Offensive Security Jobs in Chesterfield

Senior Security Consultant (AI/ML Penetration Tester)

Hiring Organisation
NetSPI
Location
Chesterfield, Derbyshire, UK
Employment Type
Full-time
must be located in Ontario, CA NetSPI pioneered Penetration Testing as a Service (PTaaS) and leads the industry in modern pentesting. Combining world-class security professionals with AI and automation, NetSPI delivers clarity, speed, and scale across 50+ pentest types, attack surface management, and vulnerability prioritization. The NetSPI platform … deep dive testing that uncovers vulnerabilities others miss. Trusted by the top 10 U.S. banks and Fortune 500 companies worldwide, NetSPI has been driving security innovation since 2001. NetSPI is on an exciting growth journey as we disrupt and improve the proactive security market. We are looking ...

CHECK Pen Tester , CSTM

Hiring Organisation
BreachLock, Inc
Location
Chesterfield, Derbyshire, 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). ...