Source: https://tendernation.io/opportunities/01a13d1e-0ad5-72ec-8089-1512d8dbed44/resource-requirement-senior-specialistengineer-service-operations-for-mission closed GB open procedure Suitable for SMEs # Resource Requirement - Senior Specialist/Engineer Service Operations for Mission Critical Radio & Cellular Systems [SITA](https://tendernation.io/buyers/sita) Estimated value £150,000 to £250,000 Published 12 Aug 2026 Deadline Closed 4 Sept 2026 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender SITA is releasing an opportunity for a required Senior Specialist in Mission Critical Radio & Cellular Systems, you will need to provide technical leadership for the operational support, maintenance and continual improvement of Heathrow Airport's critical communications infrastructure. Working across a diverse technology estate spanning legacy and modern radio systems, RF over Fibre Distributed Antenna Systems (DAS), public and private cellular infrastructure and IP-based communications platforms, you'll lead the resolution of complex technical issues while helping shape the future direction of operational communications at Heathrow. The requirement is for advanced engineering expertise with operational leadership, supplier management, service transition and stakeholder engagement. You'll work closely with customers, project teams, equipment manufacturers and engineering partners to ensure services remain resilient, supportable and ready to meet Heathrow's evolving operational requirements. You'll work across one of the most diverse operational communications estates in the UK, including: Mission Critical TETRA radio systems Commercial DMR and PMR radio systems ### Legacy MPT1327 infrastructure ### RF over Fibre Distributed Antenna Systems (DAS) Multi-Operator Cellular Infrastructure (2G/3G/4G/5G) ### Mission Critical Dispatch Systems ### Fibre and IP communications infrastructure Radio subscriber devices, vehicle installations and associated accessories ### Airport-wide antenna and RF distribution systems Supporting critical infrastructure across terminals, tunnels, plant rooms, communications rooms, baggage facilities, engineering areas and airside operational environments. You'll help operate and evolve one of the UK's most technically diverse mission-critical communications environments, working with industry-leading technologies that keep Heathrow Airport connected every minute of every day. You'll be trusted to lead, innovate and influence the future direction of operational communications while working alongside experienced engineers who are passionate about delivering exceptional service. Read full description ## CPV classification Recruitment services Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/870696f5-cf15-4b85-ac51-139c9b6272ce) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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