Penetration Tester

Right across infrastructure, there’s a requirement to not only maintain, but also renew and reimagine. Whatever stage you’re at in your career, with us you’ll have an opportunity to grow and develop. Delivering essential infrastructure services for life, while being safety first, and client and customer centric in a friendly, fun and respectful environment where you are encouraged to thrive.

Where will you be working?

You’ll be joining Cyro Cyber, part of MGroup, a specialist cyber security consultancy founded in 2021 to help public sector and financial organisations protect their Critical Digital Infrastructure. While Cyro Cyber has grown in size, reach and expertise, its core purpose remains the same: delivering trusted, independent cyber security advice and services to keep clients safe in an ever-evolving threat landscape.

Cyro Cyber operates across the UK, with offices in London and Farnborough, working on high-impact, mission-critical projects that really matter.

Want to come and be a part of it?

What will you be doing?

We're looking for a passionate and technically curious Penetration Tester to join our Offensive Security Testing team. In this role, you'll help identify and assess security vulnerabilities across applications, systems, and networks, supporting clients in strengthening their cyber resilience. Working alongside experienced security professionals, you'll deliver penetration testing engagements, document findings and recommendations, and continuously develop your skills with the latest tools, techniques, and emerging threats. You'll also collaborate with colleagues across the wider cyber security function, contribute to awareness activities, and support ongoing innovation within the team. This is an excellent opportunity for someone looking to build a rewarding career in offensive security and cyber defence.

What you’ll bring:

Minimum of 2 years proven experience of penetration or security testing

Good organisation skills, with strong attention to detail and excellent written and verbal communication skills

CRT / OSCP / Cyber Scheme accreditation

Good team ethic and the desire to accelerate your Penetration Testing career

Eligible for UK Security Clearance

Experience with Networks and infrastructures

Experience with Windows, Linux, and Mac operating systems

Knowledge of embedded computer systems

Experience with conducting tests on networks and applications

Experience with conducting security audits

Experience with analysing security policies

Experience with writing security assessment reports

Certification as a Cyber Essentials Plus Lead Assessor is desirable but not essential

Experience with M365, Azure, Sentinel

Relevant experience in a Security Operations environment or similar environment. Ideally Sentinel

Understanding of networking protocols, routing & firewall functionality

Hands-on experience with security technologies, including Network

Mapping and Analysis tools – nmap, Wireshark etc.

Some experience with any scripting, such as SQL, KQL, Python, Bash,PowerShell

Knowledge and experience with Windows and Linux Operating Systems

What’s in it for you?

We offer a range of benefits designed to support your life in and out of work, some of which include;

Matched or contributory pension scheme

Online GP service, 24 hours a day, 365 days a year

Employee assistance programme

My Rewards portal, access to 1000’s of retail discounts

Life assurance

Enhanced maternity, paternity leave and adoption leave

Reward and recognition scheme

In addition, this role offers;

My Car Choice our salary sacrifice EV/ Hybrid car scheme

Private health care and health care cash plan for you

Discretionary bonus schemes

26 days annual leave plus bank holidays

Recommend a friend – get rewarded for introducing people to us!

About us

We want to be an employer of choice and a great place to work, attracting diverse and talented people, who join us and make a difference. We’re one of the Top 100 UK companies actively supporting and recruiting veterans. Our ENABLE inclusion networks bring together people who have a shared passion, to help create an environment where everyone belongs.

Our values help to shape our culture and how we work with one another. We recruit with these values in mind, to ensure your aspirations, and ways of working, align with ours.

· We’re responsible and go further for our people, clients, communities and the planet

· We’re open and seek new and better ways of exceeding expectations

· We’re together and as one team; the whole is greater than the sum of the parts

· We’re ambitious and embrace opportunity, to lead essential infrastructure services for life

Whether you’re a trainee, apprentice or graduate, or progressing through your career, our people benefit from industry recognised programmes, training and development.

It’s an exceptional time to be a part of Cyro Cyber, a part of M Group.

Please note: Occasionally, job adverts might be closed before the stated closing date. Do apply as soon as possible to ensure your application is considered.

For certain roles, successful candidates will be subject to 3rd party background checks as part of the hiring process. Some roles require drug and alcohol testing as part of induction and onboarding.

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