Amentum

Sr. Software Developer

Amentum$190K — $220K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Over 10 years of hands-on software development experience.
  • Proficient in at least two programming languages among Python, NodeJS, Angular, JavaScript, C#, SQL.
  • Experience with secure systems engineering and reverse engineering.
  • Familiarity with cloud technologies, tools like JIRA and Confluence, and operational monitoring systems.
  • Strong debugging and performance optimization skills.

Responsibilities

  • Lead software development projects from analysis to deployment and maintenance.
  • Design and develop software solutions using various programming technologies.
  • Migrate existing systems to the cloud and establish CI/CD pipelines.
  • Monitor and enhance system operations utilizing tools such as Splunk and Grafana.
  • Produce technical documentation including system designs and operational procedures.
  • Collaborate with cross-functional teams and reverse engineer legacy codebases.
  • Research and prototype improvements for existing systems.

Benefits

  • Health, dental, and vision insurance
  • Paid time off and holidays
  • Retirement benefits with 401(k) matching
  • Educational reimbursement
  • Parental leave
  • Employee stock purchase plan
  • Tax-saving options
  • Disability and life insurance
  • Pet insurance
Full Job Description
Purpose and Impact:

We are seeking a talented and experienced Senior Software Engineer to join our dynamic team. The ideal candidate will have over 10 years of software development experience with a strong background in cloud technologies and development, information systems, and service-oriented architectures. The role requires proficiency in full-stack development, database design, DevOps, and the ability to migrate and modernize legacy applications to the cloud.

Work Schedule: M- F 40 hours a week

Essential Responsibilities:
  • 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.


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.

Minimum Requirements (Knowledge, Skills, and Abilities):
  • 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.


Clearance Required:
  • TS/SCI with Poly


Minimum Education:
  • Bachelor's degree in Computer Science, Design, or related field (or equivalent experience).


Minimum Years of Experience:
  • 10


Preferred Qualifications:
  • 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.


#javelin

Compensation Details:
$190,000 to $220,000

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:
03/06/2026 - 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.

About Amentum

Amentum is a leading provider of engineering and technical services to the U.S. government and commercial customers worldwide. The company offers a wide range of services, including environmental remediation, facilities management, and logistics and supply chain management, among others. Amentum has a global presence, with operations in over 20 countries, and serves a diverse range of customers, including the Department of Defense, the Department of Energy, and the Department of State. The company is committed to providing high-quality services and has a strong reputation for technical expertise, innovation, and customer satisfaction.
Learn more about Amentum
Size
20,000 employees
Industry
Net Income
$200 million
Founded
2014
Revenue
$5 billion

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