Software Integration Engineer 3 - TS/SCI w/ Poly

Amentum is seeking a Software Integration Engineer 3 to assist with system design, development, and verification testing and create system documentation and build procedures.

Essential Responsibilities:

• Expertise in Independent Verification and Validation (IV&V) of Installation Package, tools, software, and documentation. Experience must include the ability to support identification of gaps in documentation, software, or other elements of an Installation Package.
• Expertise must include an understanding of how to evaluate installation resources provided and work with a development team to resolve defects of an Installation Package.
• The SIE must have experience building an Installation Package. The SIE must be able to create a repeatable installation process for system engineers.
• The SIE shall identify defects of system implementation documentation and build procedures and work with the development team to resolve and retest these procedures until results are favorably repeatable.
• The SIE shall have experience integrating solutions into new or modified systems or operating environments.
• The SIE shall have a background that includes validation and analysis of functional requirements and be able to produce sufficient test cases to validate that the installation meets intended functional requirements. Derive further test cases if needed to isolate any defects discovered.
• The SIE shall validate any non-functional requirements such as performance targets of the system.
• The SIE shall assist with updates to documentation based on new test cases or implementation steps identified.
• The SIE shall review project documentation and build procedures.
• The SIE shall verify and validate that security controls for the system meet stated confidentiality, integrity, and availability requirements.
• Serve in a leadership role providing guidance and direction to a development or engineering team in a program or perform independent research to analyze and resolve highly complex IT issues or serve as a recognized subject matter expert in a program-related technology or domain area. Develop and deliver technical presentations or demonstrations to customers or stakeholders.
• Recommend processes or standards that enhance the efficiency or productivity of an IT system. Develop estimate of resources and schedule required to implement IT systems/components.
• Provide technical guidance or mentorship to other team members. Perform an analysis of alternatives and recommend the application of appropriate technologies that meet system performance or functional requirements.
• Design and develop solutions by analyzing stakeholder requirements and conferring with users or system engineers and software developers. Design and implement solutions to complex problems and large-scale projects.
• Research, document, and present business cases for migrating to and incorporating new technologies.
• Develop system installation or build procedures or scripts.
• Analyze and resolve system performance issues (e.g., response time or timing problems, interface/integration problems, system bottlenecks, data flow issues).
• Assist with developing, executing and analyzing integration test procedures for system components.

Minimum Requirements (Knowledge, Skills, and Abilities):

• Must have experience building an Installation Package. The SIE must be able to create a repeatable installation process for system engineers. The SIE shall identify defects of system implementation documentation and build procedures and work with the development team to resolve and retest these procedures until results are favorably repeatable.

Clearance Required: TS/SCI Poly

Minimum Education:

• A bachelor’s degree in computer science, Information Assurance, Information Systems, or related discipline is required. Twelve (12) years of experience as an engineer on programs and contracts of similar scope, type, and complexity is required. Four (4) years of additional experience may be substituted for a bachelor’s degree.

Minimum Years of Experience:

• Fifteen (15) years’ experience as a SA in programs and contracts of similar scope, type, and complexity is required.

Required Certifications:

DoD 8570.01-M compliance with IAM Level 2 is required.

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:

$200,000 - $225,000

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:

06/22/2026 - Until FilledAmentum 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.