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# Senior Software Developer (.NET) - Rock Island, IL - Secret Clearance

- **Company:** OM Group Inc.
- **Location:** Rock Island, IL, United States
- **Experience:** Expert
- **Salary:** $100,000.0 - $120,000.0
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Microsoft Azure, C Sharp (Programming Language), Code Review, CompTIA Security+, Web Development, Secure Coding, SQL Databases, SC Clearance, Integration Tests, Restful APIs, Key Vault
- **Published:** July 15, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=0515ca8bc869136e

## About the Role

* Five(5)+ years C#/SQL and modern web development experience
 * SEC+: CompTIA Security+ (IAT-II)
 * Ability to work full time onsite
 * Active Secret Federal Security Clearance
 * Compensation target: $100,000 to $120,000

## Description

* Design RESTful APIs, implement secure coding practices, perform code reviews
 * Develop responsive UI and integrate Azure App Service, Key Vault, and AD auth
 * Write unit and integration tests; troubleshoot production incidents
 * Collaborate with QA to meet zero-defect release goals, OM Group, Inc. is dedicated to fostering a workplace that is free from unlawful discrimination and retaliation. Our hiring and employment practices are based on merit, ensuring that all individuals have equal opportunities based on their qualifications, experience, and skills.


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