Amentum · 14 hours ago
Sr. Software Developer
US-VA-Chantilly
Full-time
Onsite
Senior Level, Lead/Staff
$190K/yr - $220K/yr
10+ years expAmentum is seeking a talented and experienced Senior Software Engineer to join their dynamic team. The role involves leading software development projects, designing and developing software solutions, and migrating legacy applications to the cloud.
Mechanical EngineeringSecurityTechnical Support
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Lead software development projects from requirements analysis through deployment and maintenance
Design and develop software solutions, employing technologies such as Python, NodeJS, Angular, JavaScript, C#, SQL Server, Microsoft Windows Server, and Linux
Experience with cloud technologies, migrating existing systems to the cloud, and establishing new CI/CD pipelines
Monitor, troubleshoot, and enhance system operations using tools like Splunk and Grafana/Prometheus
Work with Jira and Confluence for agile management
Produce technical documentation, including system designs, Interface Control Documents (ICDs), and operational procedures
Collaborate with cross-functional teams to reverse engineer legacy codebases and produce UML models
Support secure communications systems, ensuring compliance with operational and security standards
Research, prototype, and recommend improvements to existing systems and architectures
Troubleshoot and resolve complex software, performance, and infrastructure issues
Research and adopt emerging technologies to enhance system efficiency
Qualification
Required
Over 10 years of hands-on software development experience
Hands-on experience with secure systems engineering, systems integration, and reverse engineering
Proficiency in programming languages (at least two): Python, NodeJS, Angular, JavaScript, C#, SQL
Experience with cloud technologies. Experience working with tools like JIRA, Confluence, Splunk, and diagramming applications
Strong skills in debugging, performance optimization, and DevOps practices
Background in on-call support and operational monitoring of critical systems
TS/SCI with Poly clearance required
Bachelor's degree in Computer Science, Design, or related field (or equivalent experience)
10 years of experience
Preferred
Experience with design systems and component libraries
Experience with AWS
Experience with EKS or other container orchestration software
Excellent technical writing and documentation skills
Experience in collaborating with multidisciplinary teams
Familiarity with high-availability systems and secure communications
Benefits
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
Company
Amentum
Amentum is a technology and engineering company for security, defense, and energy.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$321.16M2025-03-12Post Ipo Secondary· $321.16M
2024-09-27IPO
2020-01-01Private Equity
Leadership Team
Ajay Nagar
Vice President
Darren Burton
Chief People Officer
Recent News
2026-02-03
2026-01-20
Company data provided by crunchbase