This job is with Virgin Media O₂, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.
As a key member of our Government Security team, you'll be at the heart of protecting our customers and supporting critical national security work. You'll oversee the day‑to‑day operation of VMO2's Security function, ensuring our systems run smoothly, securely, and in full compliance with legal obligations. Working as part of a specialist, close‑knit team, you'll support customers, lead complex fault investigations, carry out integration and verification testing, and play an important role in shaping future capabilities. You'll work across core network technologies, collaborate with internal teams and external vendors, and contribute to major new projects that keep our networks safe and resilient.
In this role, you'll be testing across multiple services, troubleshoot complex issue, and help drive improvements. You'll define testing scope for existing and emerging technologies, coordinate with suppliers, and provide clear updates to project and stakeholder groups. Alongside this, you'll manage faults identified during testing, analyse network traffic for incident resolution, and carry out on‑site or remote maintenance and implementation work when required. Strong relationships with internal and external customers will be key to ensuring seamless delivery and a high‑quality operational service.
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. We put our customers first, making life simpler, smoother, and more joyful. With big ambitions and a brilliant team, we're building a more connected future for everyone.
Our ways of working
We're a flexible‑first organisation, because we know people do their best work when they have choice and clarity. To support meaningful collaboration, we ask everyone to spend at least eight days each month connecting in person. That doesn't just mean time in the office, it could be team meetings, offsites, volunteering days, cross‑functional projects, or away days - anywhere meaningful collaboration happens. What matters is making those moments purposeful, so when we come together, it really counts.
Accessible, inclusive and equitable for all
Virgin Media O2 is an equal opportunities employer and we're 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
* Demonstrates working knowledge of mobile networking (packet core, IMS, and voice core).
* Apply complex fault analysis and resolution techniques to restore service swiftly.
* Ability to learn quickly and adapt to new challenges with minimal guidance.
* Handle and manage conflicting priorities instinctively.
* Works well within a team and operates effectively without supervision.
* Demonstrates a strong troubleshooting methodology.
* Communicates effectively and collaborates across teams within VMO2, including engaging with senior leadership as required.
* Proficient in Linux system administration.
* Create high‑quality technical documentation.
* Implements health‑check monitoring and automation schedules to ensure operational integrity.
* Has exposure to operational monitoring and troubleshooting tools (e.g., Zabbix, Grafana).
* Provides support for operational testing and system integration activities.
* Awareness of the Investigatory Powers Act 2016 (IPA) and its implementation.
The other stuff we are looking for
* This role requires you to undergo and obtain UK Government Security Clearance.
* A natural curiosity and a methodical approach, enabling you to get to the root cause of problems quickly and confidently.
* You're comfortable analysing complex technical situations, asking the right questions, and using data and evidence to guide your decisions.
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. 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'd love to learn more about you as a person and your experience to date. Once you've submitted an application the next steps of the process, if successful, are likely to include two stage intervew process.
When you apply, you'll be asked about any adjustments you might need to support the recruitment process. Let us know, and we'll 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.
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