✦ Luna Orbit — Software Engineering

Senior Software Developer

at Amentum

📍 Remote, US Remote Posted March 20, 2026
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Position Details

Type Full-Time
Experience mid
Exp. Years 7+ years
Education Not specified
Category Software Engineering

About this role

This role involves developing and maintaining secure web applications using Microsoft .NET technologies for government and defense clients, with a focus on compliance and system integrity.

Key Responsibilities

  • Develop secure web applications
  • Upgrade legacy systems
  • Collaborate with security teams
  • Mentor junior developers
  • Troubleshoot production issues

Technical Overview

The technical environment includes C#, .NET Framework 4.8, ASP.Net Core, WebForms, MVC, Razor, Blazor, relational databases, source control systems, and Agile methodologies, supporting secure government applications.

Ideal Candidate

The ideal candidate is a mid-level software developer with 7+ years of experience in C# and .NET technologies, capable of developing secure, scalable web applications within government and defense sectors, holding or able to obtain a Secret clearance.

Must-Have Skills

7 years related experience in software developmentExperience with ASP.Net 4.8 and ASP.Net CoreExperience with C#Experience with relational databasesExperience with source control systemsExperience with Agile methodologiesAbility to obtain and maintain Secret U.S. Government Clearance

Nice-to-Have Skills

Experience with WebFormsExperience with MVCExperience with RazorExperience with BlazorExperience with JavaScriptExperience with DoD IA mandates

Tools & Platforms

GitSource SafeAzureVisual StudioJira

Required Skills

C#.NETASP.Net 4.8ASP.Net CoreJavaScriptRelational DatabasesSource ControlGitAgileSecurity+Secret ClearanceWebFormsMVCRazorBlazor

Hard Skills

C#.NETASP.Net 4.8ASP.Net CoreJavaScriptRelational DatabasesSource ControlGitAgileSecurity+Secret ClearanceWebFormsMVCRazorBlazor

Soft Skills

CommunicationLeadershipProblem-solvingTeamworkTrainingMentoringTechnical guidanceCustomer communication

Certifications

Required

Security+ CE

Industry & Role

Industry Government/Public Sector
Job Function Web application development and system security in .NET environment
Role Subtype Software Developer
Tech Domains Microsoft 365, Azure, SQL / PostgreSQL

Clearance & Visa

Clearance Required Secret
Visa Sponsorship Yes

Keywords for Your Resume

C#.NETASP.Net 4.8ASP.Net CoreRelational DatabasesSource ControlGitAgileSecurity+Secret ClearanceWebFormsMVCRazorBlazorJavaScriptTeamworkLeadershipProblem-solvingMentoringCustomer communication

Deal Breakers

Less than 7 years of experience, No experience with ASP.Net or C#, Unable to obtain or maintain Secret clearance, Lack of experience with relational databases

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