Jobs and Careers

Senior Software Systems Engineer

Shepherdstown, WV, United Statesfull_timeVerifiedPosted 13 Nov 2025

About the role

Syms Strategic Group (SSG) is seeking a talented Senior Software Systems Engineer (.Net Developer)
Location: Remote
Department: Veterans Affairs (VA)
Type: Full Time
Min. Experience: Experienced
Security Clearance Level: Public Trust (MBI)

Military Veterans are highly encouraged to apply!
Essential Duties and Responsibilities

Perform technical planning, high-level and detailed requirements definition, test planning and execution (including use cases, test procedures, and test data), software systems integration, and technical support for software systems and subsystems
Perform software system product services, including concept design, test, installation, operation, maintenance, and disposal
Serve as an active member of the software development team participating in daily stand-ups
Utilize full-stack development expertise that ranges from development of .Net back-end application using C#, unit testing, testing with Nunit or other tools, and deployment using Continuous Integration/Continuous Deployment (CI/CD) pipelines
Ensure the performance, quality, and responsiveness of application
Provide development support (as needed) for solutions deployed to production
Implement long-term solutions and building blocks within the Agile framework for improved reusability
Interface with the stakeholders for project requirements
Apply and promote good software engineering practices such as test automation, modularization, and simplification
Collaborate and coordinate with colleagues on various solutions and problems
Document software designs, which may include design diagrams, data flow diagrams, software module descriptions, etc.
Use Integrated Development Environment (IDE) tools to include Visual Studio, Azure DevOps, and Git

Required Skills and Experience

Expertise in .Net framework and .Net Core, with a strong understanding of C#
Proficiency in developing back-end applications using Model-View-Controller (MVC) architecture and .Net core
Strong Knowledge of Object-Oriented Programming (OOP) and design patterns
Experience with Representational State Transfer Application Programming Interface (RESTful APIs) and other APIs
Proficiency in database design and development, including working with Structured Query Language (SQL) Server and Entity Framework
A familiarity with cloud platforms (e.g. Microsoft Azure and Amazon Web Services (AWS)) and services
Experience with version control systems (e.g. GIT and Team Foundation Server/Team Foundation Version Control (TFS/TFVC))
An understanding of CI/CD practices and tools (e.g. AWS CodePipeline, CodeBuild, and CodeDeploy)
Knowledge of unit testing frameworks and tools (e.g. NUnit, xUnit, and MSTest)
A proficiency in using development tools like Visual Studio and Visual Studio Code
Excellent problem-solving and analytical skills
Strong communication and interpersonal abilities
An ability to work independently and as part of a team
Attention to detail and commitment to producing high-quality software
An ability to mentor and provide technical guidance to junior developers
An ability to prioritize tasks and manage time effectively
Experience with Agile development methodologies (e.g., Scrum and Kanban)
A familiarity with DevOps practices and infrastructure as code (IaC)
A strong understanding of security best practices for web applications