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Salary
$145k – $200k per year
Location
Hybrid (Springfield, United States)
Seniority
Senior · 8+ years exp
Visa
H-1B filings in 12 months: 2 · for this role: 1
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 30, 2026. First seen by Alion on Oct 26, 2026. Amentum scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Amentum is a US government and critical infrastructure services contractor headquartered in Chantilly, Virginia, providing engineering, technical, mission support and operations services in defense, intelligence, space, energy and environment markets. It has about 50,000 employees in more than 70 countries, is listed on the New York Stock Exchange, and absorbed PAE in 2022 before combining with the Jacobs critical mission solutions business in 2024. Openings include aerospace, GN&C and reliability engineers, aircraft workers, database administrators, software engineers, biometric enrollment specialists and paralegals.

Purpose and Impact:

The Geospatial Enterprise Open Data Store (GEODS) contract provides integration, design, development, and sustainment for data services in support of the Federal Government.

Regularly, developers on GEODS are involved in designing and implementing new custom features that solve unique problems as well as updating and optimizing legacy features. Each developer has the opportunity to design and implement noticeable and impactful changes to the system as a whole.

This role will join a team of software developers in building, maintaining, and improving interfaces core to the GEODS contract. These interfaces will support the federal government in important business objectives.

Work Schedule: Day shift, Monday through Friday.

Essential Responsibilities:

As a senior software developer, the expectation is that the candidate will be capable of mostly independent software development and consistent contributions involving architecture, design, and improvement of existing and new systems. The senior will be expected to be self-motivated and maintain consistent and clear communication of progress and capacity to seek direction in performing the job function in order to maintain the big picture goal of the development task.

The senior software developer should be able to guide and mentor, pending gaining their own experience on the program, junior members and new members joining the program as software developers to establish and maintain a consistent culture of quality and collaboration.

Below are bulleted expectations from the Senior Software Developer:

  • Attend daily standups to provide situational representation of progress of any current development efforts on developer’s own behalf and ensure any blockers, collaboration requirements, or requests for information are met
  • Participate and provide constructive critique in peer reviews of team member merge requests
  • Learn, execute and improve the full software release life cycle in the program
  • Contribute DRY (Don’t Repeat Yourself), well documented, and easy to understand code as a team member
  • Create and maintain unit and integration tests to meet regression test standards
  • Learn, implement, improve, maintain CI/CD pipeline for team
  • Contribute to technical documentation regarding system architecture, design, usage, and release or deploy
  • Provide timely analysis and response to priority issues in the system as they appear
  • Collaborate with cross team dependents in preparation and production of timely, reliable, controlled releases of software components
  • Provide technical expertise over system of responsibility for internal or external interested parties not directly involved in development of the codebase
  • Demonstrate ability to clearly and concisely communicate complex technical concepts in a direct manner.

Work Environment, Physical Demands, and Mental Demands: Office environment, light physical demands, must have ability to attend to mental tasks for the duration of the workday.

Minimum Requirements (Knowledge, Skills, and Abilities):

  • At least 4 years of demonstrated experience coding in Java or Python
  • At least 4 years of demonstrated experience in Front-end development, preferably React JavaScript
  • Demonstrated experience with DevSecOps and CI/CD, specifically utilizing GitLab or similar Git repository
  • Demonstrated experience with Infrastructure as Code (IaC) using Terraform in AWS, or other cloud providers
  • Demonstrated experience with Container and Orchestration technologies (e.g., Docker, Kubernetes, OpenShift)
  • Strong experience with AWS, including but not limited to EC2, DynamoDB, ECS, SQS/SNS, IAM, Lambda, and CDK
  • Demonstrated ability to clearly communicate, verbally and in writing, complex technical concepts and challenges/obstacles in a clear and direct manner

Security Clearance Required:

  • Active TS/SCI Poly

Minimum Education:

  • Master’s degree plus 2 years experience, Bachelor’s degree plus 4 years experience, Associates degree plus 6 years experience, or a minimum of 8 years experience, in relevant field

Minimum Years of Experience:

  • Master’s degree plus 2 years experience, Bachelor’s degree plus 4 years experience, Associates degree plus 6 years experience, or a minimum of 8 years experience, in relevant field

Preferred Qualifications:

  • At least 4 years of demonstrated experience with software development using SAFe or similar Agile methodologies, to include working with Scrum Masters and/or Product Owners to decompose high level requirements into actionable user stories
  • At least 4 years of demonstrated experience coding in Python, Java, or other backend predominate language
  • At least 4 years of demonstrated experience in Front-end development in React, using JavaScript and/or TypeScript
  • At least 4 years of demonstrated experience with DevSecOps and CI/CD, specifically utilizing GitLab or similar Git repository with either GitHub Jobs or Gitlab Jobs using CI templates
  • Practical Cloud experience and certification(s), preferably from AWS, OCI or Google Cloud
  • Familiarity with AI/ML, specifically Amazon SageMaker
  • Database experience with Postgres creating, maintenance, and execution of SQL code on databases
  • Experience creating, maintaining, and improving full stack applications that involve an interface, API, and database layer
  • Experience in integrating with varying external and internal systems not directly developed by team in a collaborative fashion
  • Experience with Atlassian suite, specifically Jira and Confluence
  • Previous NGA experience

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:

$145,000 - $200,000

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:

10/26/2026 - 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.

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