Senior .NET Developer

Company: A-TEK Inc.
Location: Continental United States
Type:
Posted: Aug 20, 2026
Views: 0

✨ AI Summary

A-TEK, an IT services company supporting federal health and national security missions, is hiring a Senior .NET Developer for a remote role supporting a client in Rockville, MD. Tech stack: C#, ASP.NET, T-SQL, IIS, Git/GitLab, and Microsoft SQL Server. Requires 6+ years of .NET development experience in federal or secure environments and the ability to obtain a public trust clearance. Salary range: $125,000–$130,000 annually, with benefits including health insurance, 401(k) match, and paid time off.

Empower, Innovate, Impact! At Team A-TEK, we EMPOWER people to drive INNOVATION that IMPACTS mission!

A-TEK operates at the intersection of mission and innovation by applying our deep domain expertise across the federal markets. Embracing our digital-first strategy, A-TEK provides enhanced capabilities in application development, digital transformation, enterprise IT, and scientific services. Our solutions are designed to modernize, automate, secure, protect, and enhance the operations of our federal clients, ensuring they stay ahead in a rapidly evolving digital landscape.

Our work is fueled by a passion to serve our clients’ needs and to protect the safety and welfare of Americans. That passion shapes how we nurture our most valuable asset – Our Employees. A-TEK actively cultivates the talent that drives our success and fosters a creative, challenging, and mission-driven work environment for current and future employees.

Senior .NET Developer

A-TEK, and its subsidiary, Mackson Consulting, are at the forefront of digital innovation, offering advanced IT services and solutions with a focus on emerging technologies. We specialize in supporting health, federal civilian, and national security missions, serving a diverse array of U.S. Departments.

Join our dynamic development team supporting enterprise .NET applications across a secure IT ecosystem. As a Senior .NET Developer, you will design, develop, test, and deploy mission-critical applications supporting executive functions. You’ll play a lead technical role in building scalable, maintainable, and secure systems while following Agile and DevSecOps best practices.

This position is remote, supporting a client in Rockville, MD. The ability to obtain a public trust clearance is required for consideration for this role.

Responsibilities:

  • Build and enhance ASP.NET/C# applications using Microsoft SQL Server.
  • Implement high-quality, secure code with strong test coverage.
  • Support continuous integration and deployment within DevOps pipelines.
  • Lead technical documentation, code reviews, and system optimization.
  • Ensure compliance with Section 508, FIPS, and other federal standards.

Qualifications:

  • Bachelor’s in Computer Science or related field.
  • 6+ years of .NET development experience in federal or secure environments.
  • Strong with C#, ASP.NET, T-SQL, IIS, Git/GitLab.
  • Familiarity with automated testing, performance tuning, and QA/QC frameworks.

Compensation

Salary Range: $125,000 – $130,000 annually (commensurate with experience)
Benefits: Health, dental, and vision insurance; 401(k) with employer match; paid time off; professional development opportunities.

Why Join Us?

This is an opportunity to make a direct impact on healthcare data processes that support critical regulatory functions. You will collaborate with dedicated professionals, work on meaningful projects, and contribute to improvements in public health systems.

Candidates may use tools (including AI) for proofreading or formatting; however, using any tool to fabricate, exaggerate, or misrepresent qualifications, experience, or work product is not permitted. We may assess application materials for job-related technical depth, internal consistency, and demonstrated hands-on experience, including through follow-up questions, skills assessments, or reference checks. Verification of education may be requested before or during the hiring process.

For security and identity verification purposes, participants may be asked to temporarily disable virtual backgrounds during portions of the call.

Misrepresentation or falsification may result in removal from further consideration. Candidates who need a reasonable accommodation in the application or interview process may request one.

A-TEK, Inc. is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or status as a qualified individual with a disability, or Vietnam era or other protected Veteran status.

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Name: A-TEK Inc.

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