Software Developer (Mid) TS/SCI

Amentum; Arlington (VA); On-site; USD 130,000 - 145,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

Retirement benefits (including 401(k) matching)

Educational reimbursement

Parental leave

Job summary

Amentum is seeking a Software Developer to join our team in Arlington, VA. You will work on a secure web-based platform that consolidates critical government workflows. Your primary responsibilities include developing, testing, and debugging software solutions, ensuring quality and compliance with security standards.

Ideal candidates will have at least 4 years of experience in back-end development with strong proficiency in languages like Java and Python, and must hold a TS/SCI security clearance.

The position offers a competitive salary and benefits including health insurance and retirement plans.

Qualifications

• Minimum of 4 years of experience with back-end software development in multiple programming languages.
• Experience developing software in an Agile environment.
• Proficient with software design patterns and development tools.

Responsibilities

• Develop, test, and debug software or enhancements.
• Resolve customer complaints and respond to suggestions for improvements.
• Assist in the development of software user manuals.

Skills

Java

JavaScript

Python

Agile development

Git

Node.js

Go

React

Typescript

Education

Bachelor’s degree in information systems engineering, Computer Science, Engineering, Business, or related fields

Tools

AWS

PostgreSQL

Terraform

Splunk

Job description

Software Developer

Amentum is searching for a Software Developer to join our team in Arlington, VA. You will be working in support of a DoW Special Programs customer developing a new application in AWS GovCloud. The mission is to modernize and sustain a secure, web-based platform that consolidates critical government workflows, enabling automated data management, role-based access control, and multi-level security capabilities in support of national security operations.

Work Schedule

Work is typically performed, Monday through Friday 8-hour days onsite. Flexibility within a 2-week pay period to reach 80 hours.

Essential Responsibilities

The Software Developer is responsible for developing codes, testing, and debugging new software or enhancements to existing software. The Software Developer works with technical staff to understand problems with software and resolve them. Resolves customer complaints about software and responds to suggestions for improvements and enhancements. Possesses and applies expertise on multiple complex work assignments.

Has good understanding of business applications as well as user, performance, quality, interface, and security requirements. May assist in development of software user manuals. Responsible for desktop design, testing, security lockdown implementation, integration with standard software packages, integration with automated patching and deployment technologies, documentation, and training to include automating application and configuration deployments and updates.

Posesses and applies expertise on multiple complex work assignments. Assignments may be broad in nature, requiring originality and innovation in determining how to accomplish tasks. Operates with appreciable latitude in developing methodology and presenting solutions to problems. Contributes to deliverables and performance metrics where applicable.

Posesses and applies expertise across multiple complex infrastructure assignments. Operates with appreciable latitude in developing methodology and presenting solutions to problems. Contributes to program deliverables and performance metrics where applicable.

Work Environment, Physical Demands, and Mental Demands

Office environment with no unusual hazards, occasional lifting to 50 pounds, constant sitting while using the computer terminal, constant use of sight abilities while reviewing documents, constant use of speech/hearing abilities for communication, constant mental alertness, must possess planning/organizing skills, and must be able to work under deadlines.

Minimum Requirements (Knowledge, Skills, and Abilities)

Minimum of 4 years of experience collectively with the following:

• Developing, testing, and deploying back-end software in a widely used programming language such as Java, JavaScript, Go, Python, Typescript, and .NET
• Developing, testing, and deploying Java software using the latest versions of the Java Development Kit
• Implementing and using backend frameworks such as Java Spring, Nodejs, Go Gin, AngularJS, React, NextJS, NestJS, Spring, Nodejs, Google Web Toolkit, Hibernate, and Struts
• Software development lifecycle processes to include Agile development
• Software design patterns and antipatterns
• Development tools (git, integrated development environment, code quality tools, etc.)
• Working across multiple teams
• Experience working in an agile development environment

Security Clearance Required

TS/SCI – This position requires an active DoD TS/SCI security clearance that has been adjudicated in the last 5 years or designated CE and the ability to obtain and maintain special accesses.

Minimum Education

Bachelor’s degree in information systems engineering, Computer Science, Engineering, Business, or other related fields. In absence of degree, additional years of experience may be substituted for educational requirements.

Minimum Years of Experience

5-8 Years

Required Certifications

• AWS Solutions Architect – Associate (minimum); Professional preferred
• AWS SysOps Administrator – Associate or AWS DevOps Engineer – Professional
• Security+ CE

Preferred Qualifications

• Experience supporting a DoW ATO or FedRAMP authorization process
• Familiarity with DISA STIG compliance requirements and implementation
• Experience operating PostgreSQL on Amazon RDS including patching coordination and backup/restore validation
• Experience with Keycloak or equivalent OIDC/SAML identity provider integration in a GovCloud environment
• AWS Security- Specialty certification
• Git, GitLab, Terraform, Splunk, HashiCorp Vault, JIRA, Jenkins, Ansible
• Amazon Web Services GovCloud
• Microsoft Windows Server and Linux
• AWS Associate level or above certification

Preferred Certifications

• AWS Security — Specialty
• ITIL Foundation

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

$130,000 - $145,000

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.

Equal Opportunity Statement

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 (https://postings.govdocs.com/#/vxSkbztPuAwwxfs).

Original Posting

06/11/2026 - 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.