Senior Application Engineer

Posted 2 Days Ago
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Washington, DC, USA
In-Office
Senior level
Information Technology • Cybersecurity
The Role
Develop, maintain, and operate enterprise applications on the .NET platform, ensuring compliance with standards and supporting CI/CD and DevSecOps tools.
Summary Generated by Built In
GCyber, LLC is seeking a Senior Application Engineer to support a high visibility customer in Washington, DC. You will join a multidisciplinary team responsible for developing, maintaining, and operating enterprise applications primarily on the .NET platform across both classified and unclassified networks.
As the Senior Application Engineer, you will:
  • Design, develop, test, and deploy web applications using C#, ASP .NET, Angular, JavaScript, HTML/CSS, and MS SQL Server
  • Support CI/CD pipeline development and migration to modern DevSecOps tooling.
  • Write and maintain automated tests (unit, regression, UAT) to ensure code quality and release confidence
  • Produce clear documentation: source code, system architecture, end-user guides, and test plans
  • Track work using Agile Kanban methodology via Jira; write and refine user stories with clear acceptance criteria
  • Support application migrations including .NET Framework to .NET Core and VM-based hosting to containers
  • Collaborate with government and contractor team members on development, troubleshooting, and operational support
  • Respond to production incidents and contribute to after-action reporting and root cause analysis
  • Ensure applications comply with Section 508 accessibility standards and federal security requirements
  • Support additional platforms and technologies (SharePoint, React/Node.js, database administration_ as needed alongside the broader team
Minimum Qualifications and Experience:
  • Active DoD Top Secret/SCI clearance
  • IAT II Certification (i.e. Security+, CCNA-Security, CND, CySA+, GICSP, GSEC, SSCP)
  • 5-7 years of professional software development experience
  • Strong proficiency in C#, ASP.NET, MS SQL Server, Angular, JavaScript, and HTML.CSS
  • Experience with Git-based source control (TFS, GitHub, GitLab)
  • Experience with Agile/Kanban methodologies and task tracking tools such as Jira
  • Solid understanding of CI/CD concepts and pipeline tooling
  • Strong written and verbal communication skills, ability to document technical work clearly

Top Skills

Angular
Asp.Net
C#
Ci/Cd
CSS
Devsecops
Git
HTML
JavaScript
JIRA
Ms Sql Server
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The Company
Arlington, Virginia
48 Employees

What We Do

GCyber was founded to create innovative information technology solutions for the federal, state, and commercial markets. GCyber engineers have provided professional services supporting the information technology industry for over 15 years. Along with our engineering staff, we have relationships with partners, vendors, and analysts who have specialized expertise in the federal market. GCyber’s broad experience, focus toward execution with measurable results, and commitment to innovation provide responsive and long-lasting solutions to our customers. It is the mission of GCyber to always remain focused on our customer’s goals and improving their existing landscape. Our company accomplishes this by focusing on opportunities for innovation, while remaining mindful of industry successes and failures in the deployment of technologies. If your road map needs increasingly innovative solutions, GCyber can help you get there.

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