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- Tasks: Lead and execute complex penetration tests and red team engagements.
- Company: Join a top cyber consultancy focused on high-impact penetration testing.
- Benefits: Enjoy remote work flexibility and competitive salary between £60,000 - £80,000.
- Why this job: Be part of an elite team tackling real-world security challenges and mentoring others.
- Qualifications: Proven experience in penetration testing; certifications like OSCP or CREST CRT are a plus.
- Other info: Engage in continuous learning and contribute to innovative security solutions.
The predicted salary is between 60000 - 80000 £ per year.
Opus are looking for an experienced Penetration Tester to join our client, a cyber consultancy specialising exclusively in penetration testing and red teaming, delivering high-impact, adversary-simulated engagements for clients ranging from agile tech scale-ups to critical infrastructure providers. As a Senior Penetration Tester, you’ll play a central role in executing and shaping these engagements—across infrastructure, web, cloud, and bespoke environments—while also leading goal-based assessments and full-scale red team operations. This is a hands-on, client-facing position suited to someone who thrives in technically demanding scenarios and wants to work alongside a small, elite team of offensive security specialists.
Key Responsibilities
- Lead and execute complex penetration tests and adversary simulations
- Deliver red team engagements aligned with frameworks like TIBER, CBEST, and MITRE ATT&CK
- Develop custom tooling and exploits where required
- Create detailed, client-facing technical and executive reports
- Mentor junior testers and contribute to internal R&D
- Support scoping, pre-engagement, and post-engagement activities
- Stay sharp: engage in continuous learning and threat landscape analysis
About You
- Proven experience in penetration testing and red teaming (internal, external, app, cloud, etc.)
- Strong understanding of attacker TTPs and detection evasion
- Familiarity with frameworks such as OWASP, MITRE ATT&CK, and NIST
- Experience with C2 frameworks (e.g., Cobalt Strike, PoshC2, Sliver)
- Certifications such as OSCP, CRTO, OSEP, or CREST CRT preferred (but not required)
Senior Penetration Tester employer: Opus Recruitment Solutions
Contact Detail:
Opus Recruitment Solutions Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Penetration Tester
✨Tip Number 1
Network with professionals in the cybersecurity field, especially those who specialise in penetration testing. Attend industry conferences, webinars, and local meetups to connect with potential colleagues and learn about the latest trends and challenges in the sector.
✨Tip Number 2
Engage in online communities and forums related to penetration testing and red teaming. Platforms like GitHub, Reddit, and specialised Discord servers can provide valuable insights, resources, and even job leads from fellow professionals.
✨Tip Number 3
Showcase your skills through practical demonstrations. Consider participating in Capture The Flag (CTF) competitions or contributing to open-source security projects. This not only enhances your skills but also makes your profile stand out to potential employers.
✨Tip Number 4
Stay updated on the latest tools and techniques in penetration testing. Familiarise yourself with frameworks like MITRE ATT&CK and tools such as Cobalt Strike. Being knowledgeable about current trends will help you during interviews and demonstrate your commitment to continuous learning.
We think you need these skills to ace Senior Penetration Tester
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights relevant experience in penetration testing and red teaming. Focus on specific projects you've worked on, the tools you used, and the outcomes achieved. Use keywords from the job description to align your skills with what the company is looking for.
Craft a Compelling Cover Letter: Write a cover letter that showcases your passion for cybersecurity and your understanding of the role. Mention specific frameworks like TIBER and MITRE ATT&CK, and explain how your experience aligns with the responsibilities outlined in the job description.
Showcase Your Technical Skills: In your application, include a section that details your technical skills, particularly those related to penetration testing tools and methodologies. Highlight any custom tooling or exploits you've developed, as well as your familiarity with C2 frameworks.
Prepare for Technical Questions: Anticipate technical questions that may arise during the interview process. Be ready to discuss your approach to penetration testing, your understanding of attacker TTPs, and how you stay updated on the latest threats and vulnerabilities in the cybersecurity landscape.
How to prepare for a job interview at Opus Recruitment Solutions
✨Showcase Your Technical Skills
Be prepared to discuss your hands-on experience with penetration testing and red teaming. Highlight specific projects where you executed complex tests or developed custom tooling, as this will demonstrate your technical prowess and problem-solving abilities.
✨Familiarise Yourself with Relevant Frameworks
Make sure you understand frameworks like TIBER, CBEST, and MITRE ATT&CK. Be ready to explain how you've applied these in past engagements, as this shows your alignment with industry standards and your ability to deliver high-impact results.
✨Prepare for Scenario-Based Questions
Expect scenario-based questions that assess your approach to penetration testing and red teaming. Think through how you would handle various situations, such as scoping an engagement or dealing with unexpected challenges during a test.
✨Demonstrate Leadership and Mentorship
As a senior role, you'll be expected to mentor junior testers. Share examples of how you've supported others in their development or led teams in previous roles, showcasing your leadership skills and commitment to fostering a collaborative environment.
