This is a senior service leadership role with broad operational and technical influence, accountable for the sustainment of mission-critical application services for a Defence customer. You will:

• Own the end-to-end health, reliability and operational performance of complex production and non-production environments, ensuring contractual service levels and customer outcomes are consistently achieved.
• Lead a multidisciplinary team of more than 50 technical professionals across service operations and the support desk, setting clear expectations, strengthening accountability and embedding consistent service-management practices.
• Shape the service strategy, governance framework and continual improvement roadmap, using service data, automation, observability and operational insights to improve resilience, supportability and whole-of-life performance.
• Provide authoritative advice to program leaders and senior customer stakeholders, guiding the resolution of complex service issues and translating technical conditions, operational risks and commercial considerations into clear decisions and practical actions.