Service Transition Manager

Purpose and Impact:

In support of a challenging, critical, and rewarding program, Amentum is seeking a Service Transition Manager to lead full-lifecycle IT infrastructure, hardware, and service transitions across our program. You will drive cross-functional delivery efforts—spanning Procurement, Change Management, Logistics, Production, Engineering, Network Architecture, and Customer Project Management teams. In this role, you will guide voice, video, data capabilities from initial concept through full operational deployment in DISA/DoD environments.

Work Schedule:5 Days (Mon – Fri); 8 hrs/Day; 40 hrs/wkly

Essential Responsibilities:

The duties and responsibilities of the Service Transition Manager include, but are not limited to the following:

• Lead service transition activities for new or enhanced voice, video, and data services, ensuring each capability is fully assessed, documented, and coordinated from development through operational deployment, with a focus on minimizing risk and ensuring mission continuity.

• Develop, maintain, and execute comprehensive Service Transition Plans, incorporating Program specific operational, security, and continuity requirements, while ensuring milestones, dependencies, and criteria are clearly defined and communicated to all stakeholders.

• Coordinate cross-functional teams throughout service onboarding and transition cycles, validating network designs, technical specifications, and Bills of Materials (BOMs) for procurement and staging.

• Participate in Program governance forums such as SEIPT, CCB, and PRB, providing structured input, risk assessments, and transition-readiness updates to support informed decision-making by government leadership and mission partners.

• Ensure compliance with Program policies, frameworks, standards, and requirements, validating that all changes and new services adhere to required controls and processes before entering the operational environment.

• Oversee development and validation of service documentation, ensuring SOPs, technical diagrams, support models, knowledge articles, and network topology updates are accurate, complete, and tailored to Program compliance requirements for seamless adoption.

• Work directly with DISA stakeholders, mission partners, and enterprise operations centers, ensuring new services are fully integrated into appropriate workflows, support models, and monitoring systems to maintain readiness and reliability.

• Identify risks, dependencies, and resource needs across the transition lifecycle, proactively tracking obstacles, coordinating resolutions, and ensuring issues are mitigated in time-sensitive mission environments.

• Provide clear visibility into milestones, metrics, and risks, delivering structured briefings and documentation to program leadership and government representatives to support transparency and informed decision-making.

• Support continuous improvement of the service transition processes, recommending updates, refining workflows, and aligning program practices with evolving ITIL concepts and DISA service delivery expectations.

Minimum Requirements (Knowledge, Skills, and Abilities):

• Must have active Top-Secret clearance with SCI or the ability to acquire Top Secret/SCI

• 10+ years managing complex IT lifecycle deployments in ITSM/ITIL environments, with demonstrated experience in enterprise DoD environments.

• Proven experience managing or leading teams of 60+ personnel across large-scale or complex projects, preferably in government or regulated environments.

• Strong understanding of project management methodologies (e.g., PMBOK, Agile, etc.).

• Direct experience supporting DISA or DoD communications networks, including voice, video, unified communications, or transport services operating across secure…