Job Description

Expose vulnerabilities. Strengthen resilience. Protect the future.

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Join us as a Pen Test Specialist and be the frontline of our cyber defence.


As our

Pen Test Specialist

, you'll play a critical role in safeguarding Cadent's digital infrastructure. You'll lead penetration testing across applications, networks, and cloud environments, uncovering vulnerabilities and translating findings into actionable insights. Whether it's SQL injection, misconfigurations, or weak authentication controls, you'll help us stay one step ahead of cyber threats.


This is a hands-on, high-impact role where your curiosity, technical expertise, and communication skills will shape how we manage risk and deliver secure services across the business.

Why you will love this role:

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Security Leadership

- Own and evolve our penetration testing strategy.

Technical Depth

- Work across SAP, AWS, GCP, SCADA, and more.

Collaborative Culture

- Partner with IT, cyber, and business teams to drive secure outcomes.

Continuous Improvement

- Influence remediation, reporting, and strategic enhancements.

Professional Growth

- Develop your skills through certifications, labs, and real-world challenges.

What you'll bring:

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Qualifications

OSCP Qualified Degree in cyber security or related discipline

Practical Experience

Hand on Experience of coordinating or performing penetration tests on SAP, AWS, GCP and SCADA Systems Experience with vulnerability management and remediation processes. Familiarity with Security Configuration Reviews and Red Teaming activities. Knowledge of common security controls, best practices, and attacker techniques. Excellent problem-solving and analytical skills. Effective communication and collaboration skills, with the ability to work effectively within a team. Practical Experience Excellent communication skills at all levels, with the ability to translate complex IT issues into business related vocabulary.

At Cadent, we're thrilled to be part of the future of UK energy!

We have a clear roadmap to drive our performance to the forefront of our industry and support the UK government in achieving its net zero targets by 2050.



We're making a difference through innovation and new ways of working. Together, we're shaping a cleaner, greener future for our 11 million customers, whom we put at the heart of everything we do.

What's In It for You

Here at Cadent, we recognise that our people are truly unsung heroes. Quietly confident, delivering every day - that's why we're committed to supporting our people to get the best out of themselves. For this role, we offer:

Annual bonus

Pension Scheme double matched up to a total of 18% of salary

25 days holiday, plus statutory days, and an option to buy more

An extra day off each year to celebrate life's special moments

Career development with funded learning options

Flexible working and strong ED&I commitments

Generous family policies and flexible benefits

Retail discounts, gym access, and more

We support a healthy work-life balance and are open to flexible working options.

Diversity and Inclusion

Don't meet every requirement? No problem! If you're excited about this opportunity but your experience doesn't align perfectly with every qualification mentioned, we would still love for you to submit your application - you may just be the right person for this role or other opportunities at Cadent.


We value diversity and are committed to being an equitable employer. Our employee communities - Women in Cadent, Pride at Work (LGBTQ+), Embrace (ethnicity and religion), Thrive! (disability), the Cadent Military Community, the Grief Awareness Community, and the Men's Engagement Network (M.E.N) - can't wait to welcome you!

What's next?

To be considered for this role, please submit your application with an up-to-date CV and our Talent Acquisition team will get in touch soon. To learn more about Cadent, visit our website at Home - Cadent Gas Ltd

Be part of something big. Help shape the future of gas for generations to come.