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Pen Tester

Job in City Of London, Central London, Greater London, England, UK
Listing for: Remarkable Jobs
Full Time position
Listed on 2026-07-21
Job specializations:
  • IT/Tech
    Cybersecurity, IT Consultant, Systems Analyst
Salary/Wage Range or Industry Benchmark: 45000 - 60000 GBP Yearly GBP 45000.00 60000.00 YEAR
Job Description & How to Apply Below
Location: City Of London

Security Testing Consultant (Pen Tester)

Location:
London SE1

Salary: £45,000 - £60,000 depending on relevant experience

Hours:
Full-time, Monday to Friday

Work Location:
Office-based during probation, then hybrid (3 days office / 2 days WFH)

Full time / Permanent

Remarkable Jobs are recruiting on behalf of a dynamic and growing cybersecurity organisation.

We are seeking a Security Testing Consultant (Pen Tester) to join their expert team in London SE1. This is a fantastic opportunity for an experienced professional to take on a varied, high-impact role conducting in-depth security assessments across multiple platforms.

Security Testing Consultant (Pen Tester) Role

As a Security Testing Consultant (Pen Tester), you will play a vital role in identifying and mitigating vulnerabilities in client systems including applications, infrastructure, cloud platforms, APIs, and mobile technologies. You'll be part of a collaborative team, providing expert guidance and helping to ensure the highest standards of cybersecurity.

Security Testing Consultant (Pen Tester)

Key Responsibilities
  • Deliver penetration testing across web, cloud, mobile, and infrastructure
  • Conduct black box, grey box, and white box testing
  • Produce detailed reports and deliver findings to clients
  • Advise clients on remediation strategies and provide post-test support
  • Support team knowledge sharing and mentor junior consultants
  • Participate in Red Team activities and social engineering assessments
  • Contribute to evolving internal processes and methodologies
What They Are Looking For Essential
  • 3-5 years of hands-on penetration testing experience
  • Strong understanding of OWASP and vulnerability testing standards
  • Proficiency with tools such as Kali, Burp Suite, Nmap, Nessus, Metasploit
  • Knowledge of cloud platform testing (AWS, Azure, GCP)
  • Strong reporting and client communication skills
  • Relevant qualifications such as CREST CRT, OSCP, OSCE, or CCT
Desirable
  • Familiarity with CI/CD environments and containerisation
  • Programming and scripting knowledge

    Red Team or bug bounty experience
  • Experience with Cobalt Strike, IoT, or hardware security
Security Testing Consultant (Pen Tester) Key Attributes
  • Organised, proactive, and analytical
  • Strong communicator with a collaborative mindset
  • Able to manage time effectively across multiple assignments
  • Detail-oriented with a commitment to high-quality documentation

If you're ready to take on a challenging and rewarding role as a Security Testing Consultant (Pen Tester), we'd love to hear from you.

Apply now to become a Security Testing Consultant (Pen Tester)!

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