Security Pen Tester

Hackajob Ltd; Leicester; On-site; GBP 45,000 - 55,000; Full time

Job summary

Hackajob is partnering with NEXT to hire a Security Pen Tester. The role supports a global retail and eCommerce business with over 15,000 IT users and a digital reach spanning 60 countries, safeguarding systems, colleagues, and customers daily.

You will join a proactive security team that thinks like attackers to identify vulnerabilities before exploitation, collaborating across offices and expanding warehouse environments while growing your skills.

Qualifications

• Experience in professional penetration testing, supported by a relevant certification.
• Ability to translate complex technical risks into actionable insights for non-technical stakeholders.
• Strong OS and network fundamentals across cloud environments (AWS/Azure/GCP).
• Comfort working independently or collaboratively within a diverse team.
• Excellent time management and scoping skills for testing engagements.
• Proactive learner with willingness to share knowledge across the team.

Responsibilities

• Plan and execute authorised penetration tests across networks, applications, and infra.
• Identify security gaps and advise on remediation.
• Innovate with testing methods, scripts, and automated tools.
• Communicate risk findings through high-quality reports to stakeholders.
• Collaborate with Detection Engineers and SOC to create security playbooks.
• Monitor evolving threat landscape and engage with national cybersecurity bodies.

Skills

Penetration testing

Risk assessment

Independent worker

Communication of risks

Education

OSCP

CREST CRT

Security certification

Tools

AWS

Azure

GCP

Job description

Salary: £50,000 - 50,000 per year

Requirements

• Experience in professional penetration testing, supported by an OSCP, CREST CRT, or equivalent certification.
• A solution-oriented mindset with a deep understanding of operating systems, networking, and cloud environments such as AWS, Azure, or GCP.
• The ability to translate complex technical risks into simple, actionable insights for others.
• Comfort working independently or collaboratively within a diverse team to solve complex problems.
• Excellent time management skills and the ability to scope tests effectively to meet business needs.
• A proactive approach to development and a willingness to share knowledge to help the wider team succeed.

Responsibilities

• Plan and execute authorised penetration tests across our networks, applications, and infrastructure to simulate security breaches and assess risk.
• Identify security gaps caused by technical flaws or human error and advise on best-practice remediations.
• Innovate with fresh testing methods, scripts, and automated tools to enhance our security posture.
• Communicate technical risks through high-quality reports, explaining the potential business impact to stakeholders with clarity.
• Collaborate with Detection Engineers and SOC teams to turn findings into long-term security playbooks.
• Monitor the evolving threat landscape through continuous learning and collaboration with national cybersecurity bodies.

Technologies

• AWS
• Azure
• Cloud
• GCP
• Security

More

hackajob is partnering directly with NEXT to hire for this role. Our Information Security team protects a global retail and eCommerce business with over 15,000 IT users and a digital reach spanning 60 countries, keeping our systems, colleagues, and customers safe every day. We are looking for a Security Pen Tester to join our proactive line of defence and help us think like attackers to find vulnerabilities before they can be exploited. You will be part of a collaborative team that values growth, working across offices and rapidly expanding warehouse environments as we continue to push boundaries and evolve under our Lets Take It On spirit.

last updated 40 week of 2026