Technical Support Manager

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Posting Date: 17 Feb 2026

Function:
Security

Unit:
Business

Location:

Swindon:
Canal Walk (4328), Swindon, United Kingdom

Security isn’t always the first thing that comes to mind when you think of BT, but when it comes to keeping everyone safely connected, We Are The Protectors. We deal with thousands of cyber-attacks every day, so that millions of people can safely go about their daily lives and run their businesses. We deliver vital work at scale, with real breadth and impact.

We connect for good.
You'll be joining a specialist security team that is a trusted partner to governments worldwide, protecting critical national infrastructure and committed to the safety and security of our nation and global communities. Our mission focused work is innovative, inspiring and technologically challenging in a way that makes every day different and stimulating. We provide the opportunity to work on rare projects, with exciting tools and brilliant people.

Everyone has access to unparalleled professional and personal development opportunities and your contribution is always valued.

To manage and maintain a large complex highly secure Managed Service with direct accountability to senior Military Officers and Civil Servants.

To manage, coach, mentor, inspire and support the platform team through continuous improvement and influencing best practice; providing feedback within the team to ensure that everyone is effective and inclusive and that there is a 'One Team approach, creating a brilliant employee experience.

This job role is based near Southwest M4 Corridor, within a 30 minute commutable distance from Swindon. On client site (5 days office based). One week out of two call out obligations. Monday-Friday 9am-5pm. DV Security Clearance is required. Must have lived in UK for 10+ years to obtain clearance.

• Accountable for managing and technical leadership of bespoke infrastructure.
• Responsibility to customer authority and multiple user authorities.
• Accountable for platform Network Administration.
• Technical Network Expertise
• Security & Compliance Management
• Incident & Problem Management
• Stakeholder & Collaborative Leadership
• Analytical & Strategic Thinking

• Experience of implementing and administrating highly secure managed networks – DESIRABLE
• Strong IP Skills (such as: Juniper and CISCO Routing Systems) – MANDATORY
• Knowledge and experience of Dense wavelength-division multiplexing, Synchronous Digital Hierarchy, Legacy Networks technology (PDH/Serial Communications) sufficient to create/edit and explain to non-experts system topologies - MANDATORY
• Knowledge and experience of networking vendor technologies, including legacy technologies PDH, Serial communications solutions, and products (such as: Nokia, Alcatel-Lucent) - MANDATORY
• 10% on target bonus (Depending on country based)
• On-call allowance once operational
• 25 days annual leave (not including bank holidays), increasing with service
• Huge range of flexible benefits including cycle to work, healthcare, season ticket loan
• World-class training and development opportunities
• From January 2025, equal family leave: receive 18 weeks at full pay, 8 weeks at half pay and 26 weeks at the statutory rate. It’s for all parents, no matter how your family is made up.
• Enhanced women’s health support: including help with menopause symptoms, cancer screenings, period care and more.
• 24/7 private virtual GP appointments for UK colleagues
• 2 weeks paid carer’s leave
• World-class training and development opportunities
• Option to join BT Shares Saving schemes.
• Discounted broadband, mobile and TV packages
• Access to 100’s of retail discounts including the BT shop

#LI-Onsite

Security is one of the fastest growing parts of our global organisation. We are protecting our networks from more than 6,500 cyber attacks each day, investing over £40m in research each year - and in employing nearly 3,000 people, we’re also the largest private cyber employer in the UK. With incredible opportunities to learn, develop and grow your skills, we’ll invest in you, nurture your potential and…