Senior .NET Software Engineer
Catapult Federal ServicesRole Overview
Catapult Federal Services is hiring a Senior .NET Software Engineer. This is a full-time hybrid role, based in Arlington. Part of Catapult Federal Services's Qa hiring, posted 4 days ago. The posted range is $100k to $130k. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job Description
- *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
Frequently Asked Questions
How do I apply for the Senior .NET Software Engineer position at Catapult Federal Services?
Use the Apply button above to submit your application directly to Catapult Federal Services. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Is the Senior .NET Software Engineer role at Catapult Federal Services remote or in-office?
This is a hybrid role based in Arlington. Expect a mix of in-office and remote days, with the specific cadence set by the hiring manager.
How much does the Senior .NET Software Engineer role at Catapult Federal Services pay?
Catapult Federal Services has posted a compensation range of $100k to $130k for this position. Final offers typically vary based on candidate experience, location, and internal salary bands.
When was the Senior .NET Software Engineer role at Catapult Federal Services posted?
This role was posted on June 9, 2026 (4 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
How much experience does the Senior .NET Software Engineer role at Catapult Federal Services require?
This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Catapult Federal Services lists their specific requirements in the description below, so review the must-have qualifications closely before applying.
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