Technical Security Engineer in Andover

This is a role for someone who enjoys variety, isn't afraid to roll their sleeves up, and thrives on learning new things as technologies and demands evolve. Some days that will mean testing across multiple services, troubleshooting complex issues, and helping to drive improvements. Others you’ll be leading on project work. You’ll define testing scope for existing and emerging technologies, coordinate with suppliers, and provide clear updates to project and stakeholder groups. Strong relationships with internal and external customers will be key to ensuring seamless delivery and a high-quality operational service.

Qualifications

• Demonstrates working knowledge of mobile networking (packet core, IMS, and voice core).
• Applies complex fault analysis and resolution techniques to restore service swiftly.
• Ability to learn quickly and adapt to new challenges with minimal guidance.
• Handles and manages 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.
• Creates 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.
• Aware of the Investigatory Powers Act 2016 (IPA) and its implementation.

Role Responsibilities

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 small 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.

Additional Qualifications

• 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.
• Comfortable analysing complex technical situations, asking the right questions, and using data and evidence to guide decisions.

Benefits

We know life isn't just about work, so our benefits are built to support you in the moments that matter. You’ll get Bupa healthcare, wellbeing support, life cover, a pension, generous holiday (plus your birthday off). And there's more: optional electric vehicle lease, Cycle2Work schemes, dental insurance, neurodiversity assessments, and brilliant discounts on broadband, TV and mobile. You’ll even get access to the Virgin Family platform and the O Priority app, with exclusive rewards, experiences and chances to attend events at The O and beyond.

• Bupa healthcare.
• Wellbeing support.
• Life cover.
• Retirement pension.
• Generous holiday + birthday off.
• Optional electric vehicle lease and Cycle2Work schemes.
• Dental insurance.
• Neurodiversity assessments.
• Discounts on broadband, TV and mobile.
• Access to the Virgin Family platform and the O Priority app.

Equal Opportunities

Virgin Media O is an equal opportunities employer and we work hard to remove bias and barriers.