Software Developer-Senior Level

Clearance Requirement: Secret Clearance required

Employment Type: Full-time

Nationwide IT Services, NIS, is seeking an experienced Software Developer to support the design, development, enhancement, and maintenance of complex enterprise software applications and operating systems environments. The candidate will be responsible for developing, testing, debugging, and documenting software solutions while supporting mission‑critical operations and infrastructure.

The ideal candidate will have strong experience with Microsoft .NET technologies and a background supporting secure, large‑scale government or enterprise environments.

• Formulate and define specifications for complex software programming applications.
• Design, develop, test, debug, and maintain software applications and services.
• Modify and enhance existing software applications using engineering releases and utilities from software manufacturers.
• Support operating system maintenance activities, including advanced file maintenance routines, telecommunications networks, and enterprise software packages.
• Participate in all phases of the Software Development Life Cycle (SDLC), including requirements analysis, design, development, integration, testing, deployment, and maintenance.
• Develop and maintain technical documentation for software applications and system processes.
• Evaluate new and existing software products and recommend improvements or enhancements.
• Collaborate with system administrators, cybersecurity personnel, and project stakeholders to ensure secure and efficient system operations.
• Troubleshoot software and system issues in both development and production environments.

• Minimum of five (5) years of relevant software development experience.
• Experience with software testing, debugging, and configuration management.
• Knowledge of secure coding practices and enterprise application development.
• Experience supporting complex operating environments and enterprise systems.
• Relevant certification from a nationally recognized technical authority.
• DoD Approved 8570 Baseline Certification – IAT Level I.

• Strong analytical and problem‑solving skills.
• Excellent verbal and written communication abilities.
• Ability to work independently and collaboratively in a team environment.
• Strong organizational and documentation skills.

Our benefits package includes medical, dental, and vision insurance, life and disability insurance, 401(k) plan with employer match, paid holidays, PTO (sick/vacation), commuter benefits, employee assistance program (EAP), and educational reimbursement, along with Pet Insurance.

Nationwide IT Services, Inc. provides equal employment opportunities (EEO) to all qualified applicants for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, genetics, disability, or protected veteran.