Senior .NET Developer with Security Clearance

Senior Software Developer (.NET) - Rock Island, IL ON SITE - Secret Clearance Join OM Group’s mission-focused team at Rock Island Arsenal and help modernize the Army’s logistics software that keeps soldiers supplied and ready worldwide. You’ll work on a stable Monday to Friday schedule inside an agile DevSecOps environment, collaborating with cleared professionals who value craftsmanship, accountability, and continuous improvement. If you’re driven to solve real world challenges, eager to grow your skills on cutting-edge Microsoft and cloud platforms, and ready to make a direct impact on national readiness, we’d like to meet you. Overview Create and modernize enterprise web applications using .NET 6+, C#, Blazor, and SQL in an agile DevSecOps environment. Responsibilities 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 Requirements 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 OM Group, Inc. is an Equal Opportunity Employer (EOE) committed to compliance with all applicable federal, state, and local employment laws. We provide employment opportunities without regard to race, color, religion, sex, national origin, disability, veteran status, genetic information, or any other characteristic protected by law. 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. If you need reasonable accommodation to apply, please contact No Third Parties or C2C Solicitation This is a direct hire position ineligible for third party partnering. OM Group does not accept unsolicited resumes from third-party recruiters without a signed third-party agreement. Any unsolicited third-party resumes forwarded by recruiters to OM Group or to any of our managers or employees will be considered public information, may be treated as a direct application from the person identified in the resume, and will not be eligible for placement fee payment to the agency.