3247 IT & Software Developer jobs in the UK
Principal Penetration Tester - Belfast
£30,000 - 60,000
Instil Software
Adelaide Street 27-37, Belfast
£30,000 - 60,000
Requirements
Must:
- CHECK Team Lead (CTL) status - Infrastructure preferred; Applications also considered.
- Current UK SC Clearance.
- Minimum 5 years penetration testing experience, with a proven track record of complex engagements.
- Proven experience in cloud security reviews (AWS, Azure, GCP).
- Deep expertise in web, mobile, and network penetration testing methodologies.
- Advanced knowledge of operating systems (Linux, Windows, Active Directory).
- Familiarity with cloud environments and ability to perform cloud security reviews.
- Proficiency with tools such as BurpSuite Pro, Nmap, Nessus, Metasploit, and Kali Linux.
- Strong scripting skills (Python, Shell, etc.).
- Excellent communication and technical report writing skills.
- Additional certifications: OSCP, CSTL/CCT, Cyber Scheme, CREST (nice to have).
- UK Cyber Security Council Chartership (Principal or above) (nice to have).
- Experience with Hack The Box or Capture the Flag simulations (nice to have).
- Exposure to advanced testing techniques and red team engagements (nice to have).
Responsibilities
- Lead and execute penetration tests across infrastructure, cloud, web, and mobile applications.
- Manage end-to-end engagements: from scoping and kick-off sessions to delivery and client debriefs.
- Produce detailed, actionable reports outlining vulnerabilities and tailored remediation steps.
- Stay ahead of emerging threats by researching new offensive techniques and integrating them into our methodology.
- Automate repetitive tasks and streamline testing processes through scripting.
- Mentor and coach junior testers, supporting their technical growth and career development.
- Enhance tools and methodologies, ensuring our services remain cutting-edge.
- Support pre-sales efforts as a subject-matter expert in penetration testing.
- Communicate findings effectively to both technical and non-technical stakeholders.
- Contribute to thought leadership through blogs, white papers, or speaking engagements.
Description
At Instil, we believe great work starts with happy, motivated people. Thats why weve built a benefits package that supports your wellbeing, growth, and life outside of work, because when you thrive, so do we. We are an award-winning employer, recognized for our commitment to creating a great workplace. With over 20 years of experience delivering world-class software engineering and technology solutions, we help our clients navigate an ever-changing digital landscape with confidence. We offer flexible working arrangements, competitive pension schemes, and opportunities for professional development, all within a collaborative and inclusive culture.
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The company with most openings is Experis as they are hiring for 108 different QA, Test Engineer jobs in the UK. They are probably quite committed to find good QA, Test Engineers.
The company with most openings is Experis as they are hiring for 108 different QA, Test Engineer jobs in the UK. They are probably quite committed to find good QA, Test Engineers.