Technical Writer - Senior

In support of a challenging, critical, and rewarding program that provides integrated voice, video, and data services throughout the Information Technology lifecycle, Amentum is seeking a Tech Writer - Senior to join our dynamic team of IT professionals dedicated to fostering a positive and collaborative work environment. You must be a critical thinker, have a strong work ethic, and be able to work independently or as a member of a team in a dynamic environment. We value candidates who are detail-oriented while also being able to think and react quickly to emerging and unique problem sets. To be successful, you must be able to rapidly adapt and learn how to operate the front and back end of new products and processes. Work Schedule:

• 5 Days (Mon – Fri); 8 hrs/Day; 40 hrs/wkly
• Ability to work overtime during critical peaks and be available to meet last-minute requests for overtime if needed.

Essential Responsibilities:

• Write and maintain user guides, operational manuals, reports, presentations, and training materials that explain complex system processes.
• Read and interpret engineering drawings, maintenance files, and procedures to combine large amounts of technical data into clear instructions.
• Guide documents from draft to final version, ensuring they are accurate, consistent, properly formatted, and carry the correct government security markings.
• Work closely with engineers and subject matter experts (SMEs) to clearly capture system features, workflows, and requirements.
• Edit drafts for grammar, clarity, and formatting before submitting them to program management for final approval.
• Review and refine step-by-step guides for standard IT workflows to ensure they are easy to follow.
• Help team members write and organize system accreditation and compliance documents when needed.
• Manage the team’s internal document repository and suggest ways to make finding and storing information easier.
• Keep the project’s tracking spreadsheet updated so the team always knows the current status of contract deliverables

Minimum Requirements (Knowledge, Skills, and Abilities):

• Must have active Top-Secret clearance with SCI or TS with the ability to acquire SCI
• Must have at least 4 years of relevant experience
• Proven track record of working within classified environments and a strong command of Derivative Classification principles.
• Candidate must possess hands-on experience applying appropriate classification markings—including portion markings, banner lines, and classification authority blocks—in accordance with Security Classification Guides (SCGs).
• Multifaceted writing background with demonstrated experience translating complex concepts across three distinct pillars: IT systems, and governance/policy.
• 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: Associates or bachelor’s degree in IT related field Minimum Years of Experience: 4 years of relevant experience 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. #javelin Compensation Details: 85000-105000 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: 07/17/2026 - 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.