Infrastructure Penetration Tester

Punk Security
Northallerton, North Yorkshire
Today
£37,000 – £50,000 pa

Salary

£37,000 – £50,000 pa

Work Location
Remote
Seniority
Mid
Security Clearance
Required
Posted
13 Nov 2026 (Today)

Benefits

Opportunities for travel (examples of previous events include GISEC Dubai, conferences across the UK, BlackHat USA) Opportunity to grow your role in line with the team's expansion Industry certifications and training Private health cover (including dependents up to age 18) Option to work from office located in the market town of Northallerton - excellent transport links, free onsite parking and close to a number of gyms and restaurants
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We are currently hiring experienced penetration testers to join us in our infrastructure testing team. We take pride in delivering high-quality, hands-on cyber security assessments and supporting and communicating with our customers at every stage of the process. Due to growing customer demand, we are looking for additional capable and passionate testers to join the team.

Day-to-Day Responsibilities

* This is a remote position, with very occasional requirements to attend client or business sites.

* Delivery of infrastructure penetration tests across a broad range of customer environments, including broader vulnerability assessments and security audits as needed.

* Leverage automation and security tooling, alongside interactive human-led investigation to deliver thorough, in-depth assessments.

* Contribute to the production of clear, professional reports tailored to both technical and non-technical audiences.

* Deliver testing debriefs to clients following engagements, providing clear explanations to both technical and non-technical audiences.

* Stay current with emerging security threats, tools, and industry trends.

* Testing is delivered remotely, however there may be a rare requirement to attend client site.

* Contribute to improving team methodologies, documentation, tools, and processes.

* Work collaboratively with both the infrastructure and web application teams.

* Manage multiple client engagements effectively.

* Build strong, trusted relationships with clients as a reliable security partner.

Key Skills We're Looking For

Essential

* A minimum of 1.5 years of hands-on industry experience working within a penetration testing role.

* Strong technical understanding of network and cloud infrastructure.

* Knowledge of common vulnerabilities and risk mitigation strategies.

* A genuine passion for security.

* The ability to manage own workflow and timings in a fast-paced environment.

* A drive to develop and progress within the team and the company.

* Meticulous attention to detail and commitment to quality.

* Must have lived in the UK for at least the past 5 years and be willing to undergo security vetting (non-negotiable)

Desirable

* Industry certifications (OSCP, CRT, CSTM)

* Experience with scripting languages such as Python, Bash, or PowerShell

* Security Clearance (BPSS, SC, DV)

Benefits of working with us

* Work with a passionate, supportive, and security-driven team

* Opportunities for travel (examples of previous events include GISEC Dubai, conferences across the UK, BlackHat USA)

* Opportunity to grow your role in line with the team's expansion

* Industry certifications and training

* Private health cover (including dependents up to age 18)

* Option to work from office located in the market town of Northallerton - excellent transport links, free onsite parking and close to a number of gyms and restaurants

Salary dependent on the level of demonstrable experience of applicants

Infrastructure Penetration Tester

Punk Security

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