Demo

Senior .NET Software Engineer

Catapult Federal Services
Arlington, VA Full Time
POSTED ON 6/10/2026
AVAILABLE BEFORE 7/8/2026

**Please note: We are not accepting 3rd party, referral, W2, or C2C resumes from vendors for this opportunity.**



Senior .NET Software Enginee

rLocation: Arlington, VA (Hybrid – 1 day per week onsite, potential for 2 days per week

)SECRET CLEARANCE REQUIRE


D
Overvi

ewThe .NET Software Engineer will design, develop, and maintain web applications using the .NET framework. The successful candidate will integrate software solutions with Oracle databases, support production environments, and contribute to data quality initiatives. The engineer will work collaboratively in an Agile Scrum environment, supporting deployment automation, documentation, testing, and software delivery effort


s.
Responsibilit

ies• Design, develop, test, and deploy web applications using the .NET framew

ork• Implement IIS best practices to support scalable and secure web application infrastruct

ure• Develop and maintain integrations between .NET applications and Oracle databases, including stored procedures, functions, and trigg

ers• Develop and consume RESTful APIs to support application and system integrati

ons• Support production environments, troubleshoot issues, and contribute to data quality initiati

ves• Participate in automated deployment processes and assist with deployment scripts and documentation, including Ansi

ble• Contribute to CI/CD pipelines utilizing GitLab, Jenkins, and Ne

xus• Integrate applications with security and authentication solutions including OKTA, CyberArk, and MFA technolog

ies• Ensure compliance with security best practices and standards throughout the development lifecy

cle• Collaborate within an Agile Scrum environment, participating in sprint planning, stand-ups, and retrospecti

ves• Assist with technical documentation and knowledge sharing across the t


eam
Required Qualificat

ions• Bachelor’s degree in Computer Science or equivalent experi

ence• Active Secret Clearance requ

ired• Minimum 5 years of experience as a .NET Software Engineer, Developer, or related

role• Strong experience developing web applications using .NET, including ASP.NET, Web API, and modern .NET Core/.NET framew

orks• Experience with

IIS• Experience with modern front-end frameworks such as Angular or R

eact• Experience developing and consuming RESTful

APIs• Experience integrating applications with Oracle databases, including stored procedures, packages, functions, and trig

gers• Experience with database tools such as SQL Developer, SQL Plus, Toad, or SQL Server Management St

udio• Experience with CI/CD tools such as GitLab, Jenkins, or N

exus• Experience with Git-based version control and Agile tools such as

Jira• Exposure to deployment automation tools such as Ansible or willingness to l

earn• Understanding of secure coding practices and experience working within NIST security guidel

ines• Experience integrating with authentication and security platforms such as OKTA or Cybe

rArk• Strong troubleshooting, problem-solving, and analytical sk

ills• Effective written and verbal communication skills with the ability to collaborate in cross-functional Agile t


eams
Preferred Qualifica

tions• CompTIA Security or equivalent DoD 8570/8140 baseline certific

ation• Microsoft Certified: Azure Developer Associate or related .NET certific

ation• Oracle Database or SQL-related certifica


tions

Salary : $100,000 - $130,000

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