Remote Jobs Sign In

Software Systems Engineer

Location: Remote
Compensation: Salary
Reviewed: Thu, Oct 22, 2026
This job expires in: 27 days

Job Summary

To support a federal IT application modernization program, the full-time remote Software Systems Engineer will design, develop, and sustain enterprise applications for the Department of Defense, requiring strong expertise in software engineering and collaboration with multidisciplinary teams.

Key Responsibilities
  • Design, develop, modernize, integrate, and sustain enterprise software applications supporting DoD mission requirements
  • Provide technical engineering support throughout the software development lifecycle (SDLC), including requirements analysis, architecture, design, coding, testing, and deployment
  • Support modernization of legacy applications to modern .NET architectures and cloud-based environments, while developing and maintaining REST APIs for secure data exchange
Required Qualifications
  • Minimum of five years of relevant software engineering experience
  • Experience with .NET Framework, C#, REST APIs, React, Git, ADO.NET, and dependency injection
  • CompTIA Security+ certification and at least one Microsoft Azure certification (AZ-204, AZ-305, or AZ-400)
  • DoD 8140 baseline certification
  • Experience supporting software development lifecycle activities and technical documentation

Complete Job Description

The complete job description is available to members. Premium membership includes:

Full access to 36,487 remote jobs from human-vetted companies, updated daily

Resume Builder - AI-powered tool to craft, enhance, and tailor your resume to a specific job

Twice-monthly live group coaching and the full Remote Career Center

20% member discount on Career Services

Backed by a 30-day money-back guarantee