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# Software System Engineer

- **Company:** Enterprise
- **Location:** Arlington, VA, United States
- **Experience:** Expert
- **Salary:** $116,000.0 - $138,000.0
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Accounting Systems, ActiveX, ADO.NET, Software Applications, Computing Platforms, Microsoft Azure, C Sharp (Programming Language), Computer Programming, Software Debugging, Dependency Injection, File Systems, Software Engineering, Software Systems, ReactJS, Git, Information Technology, Data Objects, Restful APIs
- **Published:** October 22, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=ba886ed19cd13fad

## About the Role

Required Knowledge, Skills and Abilities (KSA)

 * Ability to develop and maintain complex software applications by defining technical specifications and applying engineering standards and manufacturer-provided tools.
 * Knowledge of software development practices, including coding, testing, debugging, and documenting applications.
 * Ability to perform operating system maintenance, manage file systems, and support complex computing environments and telecommunications networks.
 * Ability to support software systems throughout the development lifecycle, including design, implementation, troubleshooting, and maintenance.
 * Ability to evaluate new and existing software products for functionality, performance, compatibility, and compliance with technical requirements.
 * Knowledge of advanced software utilities, computer accounting systems, and mathematical or scientific software applications to support system operations and performance.

Desired KSA

 * Be a positive, self-motivated, and proactive person with the ability to adapt to change and tolerate stressful situations
 * Candidate must communicate effectively with team members, team lead, management, and government customers
 * Must have the ability and desire to research and develop creative solutions to unique problems with minimal supervision

Minimum Training, Education, and Certifications

 * Five (5) years' relevant experience and relevant certification from a nationally recognized technical authority.
 * Experience with .Net Framework, C Sharp Coder, REST APIs, UI/UX REACT, Git, ActiveX Data Objects for .Net (ADO.NET), Dependency Injection (DI) software design techniques.
 * Relevant certification from a nationally recognized technical authority.
 * Must have Security + At least one Computing Environment Certificate: Microsoft Certified: Intermediate-Azure Developer Associate (AZ-204) or Advanced- Azure Solutions Architect Expert (AZ-305), or Azure DevOps Engineer Expert (AZ-400).
*

## Description

Develops and maintains complex software applications by defining requirements, designing, coding, testing, debugging, and documenting programs. Uses manufacturer-provided engineering releases and utilities to modify and maintain existing applications. Performs operating system maintenance and supports complex systems, including file management routines, large telecommunications networks, computer accounting systems, and advanced mathematical and scientific software. Assists with all phases of software systems programming and evaluates new and existing software products., * Required to stand, walk and sit; communicate verbally both in person and by telephone; use hands to finger, handle or feel objects or controls; reach with hands and arms. Regularly required to stoop, kneel, bend, crouch and lift up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, depth perception, color vision and the ability to adjust focus.

 * Physical demands associated with this position include extensive walking (including stairs) throughout offices and between buildings. May require use of public transportation, personal or Government vehicle to drive to local and/or remote office locations.

Additional Requirements

 * Other duties as assigned