SC-Cleared Security Researcher & Penetration Tester

UK Telecoms Lab (UKTL); Metropolitan Borough of Solihull; On-site; GBP 45,000 - 65,000; Full time

Job summary

UK Telecoms Lab (UKTL) is seeking an experienced security tester to conduct comprehensive assessments in our dedicated lab, performing penetration testing across hardware, software and telecoms systems. You will develop scripts to automate testing and clearly communicate risks and remediation steps to stakeholders.

This role requires hands-on experience in infrastructure, networking or software development, with a strong problem-solving mindset.

Qualifications

• Background in infrastructure, networking, or software development with hands-on penetration testing experience.
• Not an entry-level role; requires substantial experience.
• Willingness to learn telecoms protocols quickly and adapt to complex systems.
• Must be able to commute to UKTL offices in Birmingham at least twice a week.

Responsibilities

• Conduct all security assessments within our in-house lab environment, ensuring safe testing conditions.
• Perform hands-on penetration testing across hardware, software and telecoms technologies to identify vulnerabilities.
• Apply positive and negative testing to assess network functions, protocols, and resilience.
• Develop scripts and automate testing processes to improve efficiency and repeatability.
• Investigate and analyse security findings, clearly communicating risks to technical and non-technical stakeholders.
• Produce high-quality, actionable technical reports to support remediation and strengthen security posture.
• Flexibility on full-time, part-time or flexible options depending on the role and business needs.

Skills

Security testing

Penetration testing

Infrastructure

Networking

Software development

Problem solving

Collaboration

Learning mindset

Job description

UK Telecoms Lab (UKTL) is seeking an experienced security tester to conduct comprehensive assessments in our dedicated lab, performing penetration testing across hardware, software and telecoms systems. You will develop scripts to automate testing and clearly communicate risks and remediation steps to stakeholders.

This role requires hands-on experience in infrastructure, networking or software development, with a strong problem-solving mindset.