Job position Service Delivery Manager - Ministry of Defence - HEO
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What is this role?
This is a Service Delivery Manager role supporting one of Defence’s most critical digital communications services.
High Grade Messaging (HGM) provides secure, 24/7 messaging services to a select customer base in the UK and overseas. The service is currently transitioning to a new Military Messaging capability, making this a key moment to join.
Why this role matters
Secure messaging underpins Defence operations.
In this role, you’ll:
Ensure vital communications services remain resilient and available
Protect highly sensitive information
Support the transition from HGM to the next‑generation Military Messaging service
This is operational service delivery with national‑level importance.
What you’ll be responsible for
As Service Delivery Manager, you will:
Lead delivery of a 24/7/365 secure messaging service
Ensure service performance meets agreed SLAs
Manage incidents, service resilience and continuous improvement
Lead and motivate operational teams in a fast‑paced environment
Act as Assistant Security Officer, ensuring security compliance
Oversee service transition to the new Military Messaging platform
Work closely with senior stakeholders and specialist partners
You’ll balance day‑to‑day operational delivery with longer‑term service improvement.
Candidate profile
Who this role is for
This role could be a good fit if you:
Have experience managing digital or IT services
Are confident working with SLAs and live services
Can lead teams in high‑pressure environments
Understand (or want to develop) IT service management and security practices
Enjoy responsibility and accountability
Experience with ITIL or service transition is especially valuable.
Security & eligibility (important)
Due to the nature of the service:
Developed Vetting (DV) clearance is required
This role is open to sole UK nationals only
Additional security checks and travel restrictions apply
These requirements are essential to protect sensitive Defence operations.
Working pattern
Based at Northwood HQ
Some UK travel required for meetings or training
Strong support for learning and professional development
Opportunity to gain recognised qualifications, including ITIL
Working environment
Location: Northwood HQ, Middlesex
Interested?
This partner post provides an overview.
Click through to the full Civil Service job advert for detailed requirements and to apply.
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Service Delivery Manager - Ministry of Defence - HEO
Government Digital & Data
