{"@context":"https://schema.org/","@type":"JobPosting","title":"Senior Security Engineer

This role involves working from our Peterborough office around twice a week, with flexibility and autonomy to balance on-site collaboration with remote working. Join a national team of experts securing innovative, large-scale solutions for our business and public sector clients.

What makes this opportunity unique :

• A wide variety of work - no two days are the same
• Exposure to a diverse and high-profile customer base
• Involvement in IL3 government-secure networks (operated by only a select few UK providers)
• A unique technology landscape with exceptional learning opportunities
• Excellent scope for career progression and technical development
• Strong partnership with Palo Alto Networks, driving major transformation projects, 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 a competency and technical interview with the Hiring Manager. 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.

• Palo Alto PCNSA certification or equivalent hands-on experience, including detailed knowledge of Strata Cloud Suite .

• Demonstrable track record with Cisco routing and switching technologies , with proven experience configuring and troubleshooting complex LAN / WAN networks.

• Proven ability to implement and support complex security solutions and maintain PSN-P (IL3) compliance beneficial.

• Ability to work across secure environments and obtain NPPV3 + SC clearance .

• Willingness to participate in a 24x7 on-call rota and provide out-of-hours support. The other stuff we are looking for

• Vendor-specific certifications beyond the essentials, e.g., Fortinet , Cisco Security , Versa .

• Experience with cloud security platforms and hybrid environments.

• Hands-on experience working under a change process .

• Experience working within public sector security frameworks and compliance.

• Experience conducting fault analysis and security investigations , including but not limited to intrusion detection , unauthorized access , and broader security incident handling .

Our new B2B venture. By bringing Virgin Media O2 Business and Daisy together, we're creating a focused, digital-first B2B business serving customers across small, medium, and large enterprises, as well as the public sector. Powered by our next-generation fixed and mobile infrastructure the new entity will offer a broader portfolio of best-in-class solutions - including cloud-based communication tools, voice and contact centre offerings and 5G private networks - helping us win more business and better serve our customers. Equal Opportunities 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. We support and encourage you to be your authentic self throughout your application journey with us.