Service Delivery Manager - Ministry of Defence - HEO
Government Digital & Data -
Full-time (Permanent)
£37,720
Published on
23 April 2026
Deadline
11 May 2026
Location: Northwood HQ, Middlesex
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.
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
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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