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Sr. Software Developer

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Amentum

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Location:
United States , Chantilly

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Category:
IT - Software Development

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Contract Type:
Employment contract

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Salary:

190000.00 - 220000.00 USD / Year
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Job Responsibility:

  • Design and develop software solutions, employing technologies such as Python, NodeJS, Angular, JavaScript, C#, SQL Server, Microsoft Windows Server, and Linux
  • Deploying, maintaining, and troubleshooting EKS clusters, ensuring high availability and performance for applications
  • Deploying and orchestrating workloads on Kubernetes, utilizing deployment strategies like rolling updates and canary releases
  • Implementing and managing cloud infrastructure using IaC tools like AWS CloudFormation or CDK
  • Designing and building CI/CD pipelines (using tools like Jenkins, GitHub Actions, or ArgoCD) for seamless and automated application delivery to EKS clusters
  • Integrating observability tools such as Prometheus, Grafana, Datadog, or Amazon CloudWatch to monitor application and cluster performance, troubleshoot complex issues, and optimize costs
  • Implementing robust security frameworks, including IAM roles, Kubernetes RBAC policies, and vulnerability scanning solutions
  • Work with Jira and Confluence for agile management
  • 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

Requirements:

  • 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
  • Bachelor’s degree in Computer Science, Design, or related field (or equivalent experience)
  • 10 years of experience

Nice to have:

  • 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
What we offer:
  • 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

Additional Information:

Job Posted:
May 17, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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