Cyber Security Consultant

Company: Oscar
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Job Description:

Location: Remote/Hybrid (Mix of home working, Gloucestershire office and client site visits)

Active SC Clearance is a requirement – must be willing to pursue DV Clearance

We are looking for an experienced Cyber Security Consultant to join a well-established and growing UK-based cybersecurity consultancy, delivering high quality penetration testing services across a varied and interesting client base including government and public sector organisations.

This is a role for someone who can hit the ground running. You’ll be joining a team of around 13–15 consultants and are expected to operate independently from day one. No two weeks look the same; work pattern is flexible and dictated by client demand, with a genuine mix of home working, office time in Gloucestershire, and client site visits as required.

Key Responsibilities:

  • Deliver CHECK and non-CHECK penetration testing engagements across infrastructure, web applications, mobile, cloud, and Active Directory environments
  • Support pre-sales activity through scoping and client engagement
  • Produce clear, high quality technical reports and present findings to clients
  • Maintain up to date knowledge of current threat trends, tools, and industry frameworks
  • Contribute to internal training materials and technical blog content
  • Provide guidance and support to junior team members when required

Requirements:

  • Active SC Clearance is an ABSOLUTE MUST – must be willing to pursue DV Clearance
  • Active CSTM or CCT certification is an ABSOLUTE MUST
  • Proven hands‑on penetration testing experience – must be able to hit the ground running
  • Strong knowledge of testing frameworks including OWASP
  • Knowledge of Cyber Security standards and policies such as ISO 27001, CIS, and PCI DSS.
  • Experience across Linux and Windows environments
  • Knowledge of cloud environments (Azure, AWS)
  • Strong written and verbal communication skills with experience presenting to clients
  • 31 Days Annual Leave (20 + 8 BH + 3 Xmas Shutdown)
  • Paid Charity Day
  • Up to 5 unpaid annual leave days per year
  • Company pension scheme

Role: Cyber Security Consultant

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Posted: March 7th, 2026