The posting
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. Welcome back! We encourage you to check on the status of your current job applications with us. You can also search for a list of our current job openings and see if there are any new positions that might be a good fit for you. Thank you for continued interest in employment with Amentum. For more than 100 years, Amentum has tackled the world’s toughest challenges to deliver agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees on all seven continents and in more than 60 countries, Amentum delivers a broad range of operational support services to meet the critical needs of our clients. Our headquarters are in Chantilly, VA. Find us online at https://www.amentum.com/ If you need a reasonable accommodation for any part of the employment process, please complete our Accommodation Request. Requests for accommodation will be considered on a case-by-case basis. If you need assistance, please reach out to [email protected] EEO including Disability/Protected Veterans Labor Laws Posters Amentum has become aware of unauthorized individuals who are falsely using the Amentum name and /or logo in an attempt to solicit fees from potential job seekers. These deceptive and unauthorized individuals are soliciting money, promising placement in a position with Amentum. Please note any communication requesting any amount of money in exchange for employment with Amentum is fraudulent. These communications do not originate from Amentum and are not associated with the recruitment process. Amentum and its affiliates never charge candidates fees or payments of any kind in order to secure employment. As a precaution, we recommend you do not disclose personal or financial details to anyone as a response to an unsolicited email, social media, or dating website request. Amentum will never as ask for a placement fee or any other fee to expedite the hiring process. If you are contacted by anyone offering employment with Amentum, you should never be asked to pay a fee for recruiting. Amentum personnel will always send email from an identifiable corporate account (ending in @amentum.com) and never from a public email account like Yahoo!, Google, Gmail, or Hotmail. If you are contacted regarding a fraudulent employment proposal, we encourage you to alert your local law enforcement agency/police authority. To read more about Amentum’s commitment to ethics, please click here.
