Software Applications Engineer

Location: Aberdeen Proving Ground

Overview/

Job Responsibilities

Sev1

Tech is looking for a Software Applications Engineer to join our Army team supporting a critical mission. We are seeking a highly skilled .NET Full-Stack Developer to design, develop, and maintain modern, scalable web applications built on the Microsoft technology stack. The ideal candidate will possess strong expertise in C#, .NET 10+, and Blazor, with deep experience developing rich user interfaces using the Mud Blazor framework and modern front-end technologies such as HTML, CSS, JavaScript, and Razor.

This role requires the ability to build responsive, user-focused applications while integrating robust backend services and APIs.

The successful candidate will be responsible for developing full-stack solutions that leverage ASP.NET Core Web APIs, Entity Framework Core, and SQL-based data systems, while ensuring high performance, security, and maintainability. Experience implementing secure authentication and authorization models, including OpenID Connect and OAuth 2.0 integrated with Microsoft Entra , is essential.

Minimum Qualifications

* Must have a Department of Defense (DoD) Secret clearance

* Bachelor's degree in a field related to computer or information science or a related field

* Minimum 5 years combined experience in Software Applications Engineering

* Key Technical experience to include:

* Strong .NET full-stack development with C# skills

* Expertise in Mud Blazor and front-end technologies HTML, CSS, Open Xml, and Java Script

* API Development

* Proficiency in Azure Services and Dev Ops

* Experience with version control, testing, and development environments

* Proficiency with Problem-solving, communication, adaptability, and teamwork

* Security + certification

* This is a hybrid role, but must be within reasonable driving distance to Aberdeen Proving Ground, MD

About Us

Founded in 2010 and recently acquired by ERT in early 2026, Sev1

Tech, an ERT Company provides IT, engineering, and program management solutions delivery to critical missions across Federal and Commercial Clients. With its acquisition by ERT, Sev1

Tech expanded its ability to offer secure, mission-aligned digital solutions to support modernization, resilience and operational effectiveness for government customers operating in highly regulated mission environments. ERT and Sev1

Tech together become a fully diversified engineering and federal technology solutions firm with broad reach into space, civilian, and defense markets.

Please apply directly at:  For questions or to submit a referral, please contact:

Sev1

Tech is an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.