Technical Support Specialist Services

Salary: £36,000 - 67,000 per year

Requirements:

• Proven experience supporting secure, highly available managed services within regulated or classified environments.
• Working knowledge of networking, infrastructure, security, virtualisation, and environmental systems within secure operational estates.
• Ability to collaborate across virtual and on-site teams, BT business units, third-party suppliers and contractors, and customer and user authorities.
• Demonstrated ability to work strictly in accordance with SYOPS, processes, procedures, and local work instructions.
• Commitment to inclusive behaviours, collaboration, and a One Team ethos.
• Awareness of business strategy and organisational performance drivers, including people performance and financial literacy (desirable).
• Experience working in secure Network Operations Centres (NOCs) (desirable).
• Familiarity with incident, problem, and change processes in managed service environments (desirable).
• Ability to obtain and maintain Developed Vetting (DV) security clearance, as required for this sensitive role.

Responsibilities:

• Manage, operate, and assure a large, complex, highly secure managed service supporting critical UK national infrastructure and HM Government Defence operations.
• Take responsibility during shifts for service resilience, security assurance, and operational stability.
• Carry out first- and second-line operational activities for the managed service while on shift.
• Follow platform and building SYOPS, processes, procedures, local work instructions, and authorised BT or customer-directed activities.
• Maintain awareness of operational priorities, security posture, and live service risks throughout each shift.
• Help keep networking and routing, security and boundary, IT, server, virtualisation and infrastructure, voice and VoIP, and environmental systems operational and ready.
• Support regular service testing, exercises, and capability development as directed by the Operational Service Manager.
• Identify and escalate incidents and service degradation, and support their resolution in line with operational procedures.
• Help achieve and maintain government and Ministry of Defence security assurance and accreditation for the managed service.

Technologies:

• Support
• Network
• Security
• LESS
• Mobile

More:

We are BT, a global company with 90,000 people in 180 countries. Our specialist security team works with governments worldwide to protect critical national infrastructure and support the safety and security of communities. In this role, you will work under the direction of the Operational Service Manager and Platform Technical Team on mission-focused work that is innovative and technically challenging. We offer professional and personal development opportunities, structured technical progression, industry-recognised training, competitive salaries, a role-based DV allowance of up to £5,000 per year where applicable, a 10% on-target bonus, pension contributions, 25 days of annual leave plus bank holidays, family and carer support, and a range of flexible benefits. We welcome flexible working arrangements and can provide reasonable adjustments during the selection process. We are committed to an inclusive workplace and encourage applications even if candidates do not meet every listed criterion.

last updated 40 week of 2026