Senior .NET/C# Software Developer jobs in United States
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Amentum · 1 day ago

Senior .NET/C# Software Developer

Amentum executes mission command of operational intelligence forces, providing comprehensive automation and IT support to intelligence dissemination and data management. The role involves application development in a Microsoft-oriented environment, collaborating with peers, and adhering to software development methodologies.

Mechanical EngineeringSecurityTechnical Support
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

Provide application development for a Microsoft-oriented enterprise environment (“including, but not limited to MS.NET, C#, MVC 4+, and Internet Information Services (IIS) for Windows Server web development knowledge) for custom in- house developed web applications
Collaborate with peers to review code to ensure that best practices, team norms, and coding standards are followed
Provide web development and version control for a Microsoft-oriented enterprise environment using Government provided tools (Microsoft Visual Studio and GitLab)
Estimate the level of effort required for all design, development, deployment, and testing and provide information to COR
Participate in an iterative development team through all facets of to include sprint planning, daily scrum meetings, reviews, and retrospectives
Develop documentation to include test plans, end-user documentation, wireframes, mockups, Use Case Diagrams, and flowcharts. All documentation shall be stored in identified Government document repositories
Use Azure Dev Ops (ADO) or GitLab for all code changes and version controls
Create/update test plans and record the results within the developer documentation
Collaborate with the Quality Assurance (QA) team to mitigate all findings identified during testing
Build fully deployable packages for development, staging, integration, and production environments and submit deployment requests for approval
Use all approved Government provided templates for required documentation and ensure all development related documents are stored in a single document repository, identified by the Government
Leverage advanced programming skills to develop and incorporate mandatory fields of the DNI Audit.XML specification in accordance with ICS-500-27 Collection and Sharing of Audit Data
Adhere to software development methods including Agile, SCRUM, and Lean in the development of software
Provide project status reports to the Government at all stages of the project lifecycle as required
Utilize JIRA to record and report bugs to Quality Assurance, project managers, and other stakeholders
Ensure SOPs, “How To” guides, testing plans, and accreditation paperwork are complete for each application

Qualification

.NET DevelopmentC#MVC 4+Internet Information Services (IIS)SQL Database DevelopmentSoftware Development Life Cycle (SDLC)Cloud MigrationData IntegrationETL ProcessingDoD 8140.03 IAT Level IIUnit TestingSystem TestingUser Acceptance TestingXMLJSONAgileSCRUMLean

Required

Ten years of experience in .NET Development (including .NET, C#, MVC 4+, and Internet Information Services (IIS) for Windows Server web development)
Eight years of experience in SQL database development stored procedures
Experience developing and re-architecting applications for containerization
Five years of experience with Software Development Life Cycle Process (SDLC)
Five years of experience with software development Unit Testing, System Testing, Functional Testing, User Acceptance Testing, or other development testing experience
Five years of experience mentoring junior personnel on proper practices and procedures
Five years of experience documenting software defects using a bug tracking system and reporting defects to software developers and project managers
Experience developing applications in classified environments
Experience migrating and adapting applications for the Cloud
Experience with data integrations between systems and across networks
Experience with ETL processing of data especially data transformations
Experience with XML and JSON data formats
Experience troubleshooting and debugging applications in test and production environments
TS/SCI clearance with SBI and ability to attain SI, TK, G, HCS, and NATO Secret clearance
High School Diploma
DoD 8140.03 IAT Level II/Intermediate certification (i.e. Security+)
10 years of experience

Preferred

Experience with AI data modeling and/or data science application support
Experience with SonarQube and applying Security STIGs
Experience deploying applications in different environments

Benefits

401(k)
401(k) matching
Dental insurance
Employee assistance program
Employee discount
Flexible spending account
Health insurance
Health savings account
Life insurance
Paid time off
Parental leave
Referral program
Retirement plan
Vision insurance

Company

Amentum is a technology and engineering company for security, defense, and energy.

Funding

Current Stage
Public Company
Total Funding
$321.16M
2025-03-12Post Ipo Secondary· $321.16M
2024-09-27IPO
2020-01-01Private Equity

Leadership Team

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Ajay Nagar
Vice President
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Darren Burton
Chief People Officer
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Company data provided by crunchbase