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 networks.

• Strong understanding of ITIL practices, enabling structured, repeatable service transition activities that meet government standards.

• Experience in classified DoD environments and SCIF operations, ensuring compliance with stringent handling, security, and operational protocols.

• Excellent communication and stakeholder engagement skills, enabling clear interaction with government leadership, technical teams, and mission partners.

• Proficiency with enterprise ITSM tools, particularly those used across DoD and DISA programs.
• Must be able to work a 40-hour work week, normally Monday through Friday  
• Ability to work overtime during critical peaks and be available to meet last-minute requests for overtime if needed  
• Familiarity with MS Office applications such as Excel, Word, Outlook, SharePoint, Project and Visio    
• Exceptional attention to detail; excellent verbal and written communication skills; strong critical thinking, organizational, time-management, and problem-solving skills  
• Ability to work both independently and as part of a team in a dynamic environment

Security Clearance Required:

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

Minimum Education:

• Bachelor’s degree in a relevant technical field, or equivalent experience that demonstrates capability in IT, telecommunications, or systems engineering within DoD environments.

Minimum Years of Experience:

• 10+ years of relevant experience

Required Certifications:

• Project Management Professional (PMP)

Preferred Qualifications:

• ITIL 4 certification, demonstrating expertise in modern service management principles and improving transition practices.

• Experience leading geographically dispersed teams comprised of 60+ personnel.

• Experience with federal acquisition and contracting processes.

• Background in enterprise-level system modernization or digital transformation projects.

#javelin #jointhepack #itil #itsm #servicetransition #management

This position is not designated as a safety sensitive position.

As part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment.  Employment is contingent upon successful completion of the drug screening process.  Please note that this may include pre-hire screening for marijuana, as well as other federally controlled substances due to Amentum’s role as a federal contractor and trusted partner to the US Government.  

Other Responsibilities:

Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.

Compensation Details:

$185,000 - $215,000

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance

• Paid time off and holidays

• Retirement benefits (including 401(k) matching)

• Educational reimbursement

• Parental leave

• Employee stock purchase plan

• Tax-saving options

• Disability and life insurance

• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

10/23/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed,  marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.