Senior Penetration Testing Engineer

At Virgin Media O2, we are on a mission to make our digital platforms as secure as Fort Knox, while keeping things as resilient and reliable as your favourite superhero's shield. We’re seeking a Senior Penetration Testing Engineer to delve into the depths of security challenges, pushing the boundaries of innovation and crafting impactful solutions at scale. As one of our elite security experts, you will be crafting the future of our engineering and application security. You will get to wield your skills like a magic wand, uncovering vulnerabilities that automated tools might miss, and crafting custom tools to boost our security prowess. With our sprawling digital world, your sharp eye and expert touch will be pivotal in improving our automation and keeping our customer’s data safe!

Who we are

The UK’s fastest broadband network. The nation’s best-loved mobile brand. And, one of the UK’s biggest companies too. Diverse, high performing teams - jam packed with serious talent. Together, we offer the UK more choice and better value, through our boundary-pushing, customer-championing values and ambitions. Together, we are Virgin Media O2, and we can’t wait to see what you can do.

Accessible, inclusive and equitable for all

Virgin Media O2 is an equal opportunities employer and we are working hard to remove bias and barriers for our people and candidates. So, we build equity and inclusion into everything we do, from the policies we craft to the relationships we shape. We support and encourage you to be your authentic self throughout your application journey with us.

The must haves

• Degree in computer science, security, or equivalent experience
• Demonstrable understanding of penetration testing, red teaming, and relevant certifications (e.g., NCSC, CREST, Ethical Hacking, SANS)
• Proven experience in web/mobile application security testing, cloud technology security, vulnerability assessments, and red teaming
• Strong experience in manual code auditing, scripting, and programming (e.g., Perl, Python, Ruby, bash, C/C++, C#, Java) to identify security issues
• Solid knowledge of security engineering practices, including web application security, network security, cryptography, and automation
• Proven track record to use, coordinate, and solve Linux or Ubuntu, along with experience using security tools (e.g., Nessus, Metasploit, Burp Suite Pro) and frameworks (OWASP, CWE, Mitre ATT&CK)

The other stuff we are looking for

• Capable of quickly identifying issues, thinking critically, and developing effective solutions in high-pressure situations.
• Able to explain sophisticated security concepts clearly to both technical and non-technical team members, ensuring alignment and understanding across teams.
• Proven track record to guide and support junior team members, sharing knowledge and helping to develop their skills.

What’s in it for you

Our goal is to celebrate our people, their lives and everything in-between. We aim to create a culture that empowers everyone to bring the best versions of themselves to work each and every day. We believe the most inclusive and diverse culture makes for a better business and a brighter world. Working at Virgin Media O2, you get a bumper reward package bursting with benefits, and loads of extras you can add if you’d like to. These are designed to support both you and your loved ones, making sure that you’re covered no matter what life throws your way.

Next steps

If we feel like a place where you can belong, we would love to learn more about you as a person and your experience to date. Once you have submitted an application the next steps of the process, if successful, are likely to include two stage interview process. When you apply, you will be asked about any adjustments you might need to support the recruitment process. Let us know, and we will be sure to discuss it with you. Please note: Applications will be reviewed, and interviews conducted throughout the duration of this advert, therefore we may bring the closing date forward. We encourage all interested applicants to apply as soon as possible. If you’re offered a job with us, it will be conditional, based on the passing of background checks. All roles require a criminal record check and some roles need a financial probity check. Your recruiter can provide you with more information if needed. Thanks for your patience and for showing an interest in joining the Virgin Media O2 family.