T5011 - Senior Principal Application Development Engineer

ASRC Federal; Arlington, Northern (VA, KY); On-site; USD 140,000 - 180,000; Full time

Benefits offered by this job

Health care

Dental insurance

Vision insurance

401(k)

Job summary

ASRC Federal is seeking a Senior Principal Application Development Engineer to lead ASP.NET and .NET Core development for DEA mission-critical applications in a secure environment. You will work in Arlington, VA or Merrifield, VA within an Agile team, delivering high-quality software for large user bases and complex data sets.

Role requires 8+ years in ASP.NET C#, MVC, and 5+ years in .NET Core, plus strong Agile experience and security clearance eligibility.

Qualifications

• 8+ years of ASP.NET C# MVC web development experience.
• 5+ years of .NET Core/Standard development experience.
• 5+ years of Agile development experience with sprints, backlog grooming, and ceremonies.
• Experience with large-scale applications serving 10,000+ users and multi-table RDBMS.

Responsibilities

• Develop and enhance code for applications built within the Concorde framework.
• Collaborate in an Agile team to deliver high-quality software.
• Participate in meetings, discussions, and demos for development across environments (Classified, Unclassified, SBuC).
• Support non-Concorde legacy applications as needed.
• Apply DevSecOps concepts where applicable.

Skills

ASP.NET C#

MVC Web Development

Agile methodologies

Relational database concepts

Education

Bachelor’s degree in Computer Science, Engineering, or related field

Tools

Visual Studio

Team Foundation Server

XML libraries

Job description

T5011 - Senior Principal Application Development Engineer

Job Description

Posted Friday, August 14, 2026 at 5:00 AM

ASRC Federal is a leading government contractor furthering missions in space, public health and defense. As an Alaska Native owned corporation, our work helps secure an enduring future for our shareholders. Join our team and discover why we are atop veteran employer and Certified Great Place to Work™

ASRC Federal Technology Solutions is seeking a Senior .Net Application Developer to support the critical mission of the Drug Enforcement Administration (DEA). We are developing the applications that provide the tools necessary for our drug enforcement agents and the greater law enforcement community to take illicit drugs and those who traffic them off the street. The current opioid crisis in our country is testament to the critical mission of the DEA.

Location: Arlington, VA or Merrifield, VA

Responsibilities:

• Works in a collaborative team environment to develop and enhance code for applications built within the Concorde framework, ensuring high-quality and efficient solutions.
• Demonstrates strong expertise in Agile development methodologies through daily activities, including sprint participation, task execution, and adherence to Agile principles.
• Participates in meetings, discussions, and demonstrations related to the development of applications and associated data across Classified, Unclassified, and Sensitive but Unclassified environments.
• Possesses the knowledge and capability to support non-Concorde legacy applications as needed, contributing to seamless integration and operational continuity.
• Possesses a foundational understanding of DevSecOps principles.

Requirements:

• Recent 8+ years of ASP.Net C# MVC-based web development experience using Visual Studio 2017 or higher.
• 5+ years of .Net Core/Standard development experience.
• 5+ years of experience with Agile development methodologies, including participation in sprints, backlog grooming, and Agile ceremonies.
• Experience as a developer in a software environment that supported more than 10,000 users and a Relational Database Management System (RDBMS) with more than 250 tables and 1 million total rows.
• Significant development experience with Cascading System Sheets (CSS).
• Experience with relational data models and SQL.
• Experience with XML and programming libraries for XML manipulation.
• Agile project and development experience utilizing Team Foundation Server.
• Ability to quickly deliver small projects, and to frequently transition between projects and applications.
• Experience in packaging and delivering software and documentation to a production environment.
• Must be a U.S. Citizen and have an active Secret clearance.
• Applicants selected will be subject to a government security background investigation and must meet eligibility and DEA suitability requirements.

Education/Experience:

• Bachelor’s degree in Computer Science, Engineering, or a related field (12+ years of demonstrated experience may be substituted).
• 12+ years of general experience, including 10 years of specialized and/or hands‑on experience in Agile development methodologies.

We invest in the lives of our employees, both in and out of the workplace, by providing competitive pay and benefits packages. Benefits offered may include health care, dental, vision, life insurance; 401(k); education assistance; paid time off including PTO, holidays, and any other paid leave required by law. The salary offered will depend on several factors including, but not limited to, relevant experience, skills, education, geographic location, internal equity, business needs, and other factors permitted by law. Posted pay ranges are a general guideline only and are not a guarantee of compensation or salary.

EEO Statement

ASRC Federal and its Subsidiaries are Equal Opportunity employers. All qualified applicants will receive consideration for employment without regard to race, gender, color, age, sexual orientation, gender identification, national origin, religion, marital status, ancestry, citizenship, disability, protected veteran status, or any other factor prohibited by applicable law.