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Sr Software Engineer Security Clearance

Job in Chantilly, Fairfax County, Virginia, 20151, USA
Listing for: Edgesource
Full Time position
Listed on 2026-03-05
Job specializations:
  • IT/Tech
    Cybersecurity
Job Description & How to Apply Below
Position: Sr Software Engineer with Security Clearance
Company Overview For over 25 years, Edgesource Corporation has served as an innovative technology service provider for the Department of Defense (DOD), Department of Homeland Security (DHS), Department of State (DOS), the U.S. Intelligence Community, Law Enforcement, and other federal, state, and commercial clients locally, nationally, and abroad. From providing boutique technical solutions in support of the DOD Counter Unmanned Aerial Systems (CUAS) mission set to addressing the most critical Cybersecurity threats facing our nation as a prime contractor with the DHS Cybersecurity & Infrastructure Security Agency (CISA), a career at Edgesource is an opportunity to do meaningful, interesting, and impactful work.

Position Overview We are seeking a highly experienced

Senior Software Engineer to join an Agile development team supporting mission-critical enterprise systems within a secure environment. This role requires a hands-on technical leader who can design, build, and modernize software solutions using .NET Core while helping transition legacy systems to a cloud-first architecture. Responsibilities
* Work on an AGILE Team as a Senior Software Engineer

* Build software components in .NET Core

* Support the re-design of existing software infrastructure to adopt cloud-first infrastructure

Required Qualifications
* Active TS/SCI FSP

* Bachelors plus 16 years, or 21 years of experience

* Demonstrated experience implementing enterprise software solutions Desired Qualifications (NOT REQUIRED)
* Experience with JavaScript/Typescript and Angular

* Experience with Microsoft .NET Core and C# programming language

* Experience with Python programming language

* Performing engineering analysis, software, hardware, or network development, integration, testing, and maintenance tasks for purposes of integrating hardware and software products into environments or stand-alone networks.

* Defining, collecting, and implementing computer engineering customer requirements for small, mid-scale, complex projects large-scale

* Identifying and resolving moderately complex computer engineering problems; leading small product evaluations; and developing procedures for and performing moderately complex installation and configuration of hardware, software, or network products.

* Building infrastructure.

* Receiving, tracking and responding to problems reported by customers (e.g., troubleshoots collaboration software, operating systems, web services, and database problems).

* Researching problems by accessing internal and external knowledge resources (vendor websites, internal engineering websites, and vendor documentation) and/or discussing with more experienced team members.

* Recommending alternative processes or long-term solutions to recurring problems.

* Designing and developing engineering solutions to meet customer requirements (e.g., writing, maintaining, testing, integrating, and implementing software, hardware, and associated documentation).

* Designing, configuring and maintaining the suite of tools associated with the Continuous Integration development environment.

* Anticipating and responding to customers' needs in a manner that provides added value and generates customer satisfaction.

* Working knowledge of software products (operating systems, applications, device drivers, etc.).Working at Edgesource As an ISO 9001:2015 certified and CMMI Level 3 appraised small business, Edgesource specializes in providing a variety of technical solutions to include software development, database services, enterprise networking, data center virtualization, and management support. We are always seeking top-talent to join our team in helping to address the most critical technical challenges facing our nation.

At Edgesource, we understand that our employees are our greatest asset, and as such we offer a wide array of benefits to support the well-being of our staff to include:
* Flexible PTO Policy + 11 Paid Holidays

* Flexible Work Schedules (Remote / Hybrid)

* Medical / Dental / Vision / Flexible Spending Account (FSA)

* 401k Plan with Match

* Tuition & Professional Development Support

* Commuter Benefits

* Bonus & Employee Referral Programs

* Career Growth Opportunities Disclaimer Edgesource Corporation is an affirmative action and equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. Edgesource is committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities.

To request reasonable accommodation, please contact our Recruiting Department by email at or by phone at .
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