Senior Application Developer (HR Systems)

Department: Human Resources

Classification: Info Technology Spec 3

Job Category: Classified Staff

Job Type: Full-Time

Work Schedule: Full-time (1.0 FTE, 40 hrs/wk)

Location: Fairfax, VA

Workplace Type: Remote Eligible

Sponsorship Eligibility: Not eligible for visa sponsorship

Pay Band: 06

Salary: Salary commensurate with education and experience

Criminal Background Check: Yes

About the Department:

The Human Resources division supports the university by designing and implementing people-centered policies, systems, and programs that enhance the employee experience and improve operational effectiveness. The unit promotes a culture of data-driven decision-making, continuous improvement, and strategic enablement.

About the Position:

The Senior Application Developer (HR Systems) provides advanced technical expertise in the design, development, integration, and support of enterprise Human Resources systems at George Mason University. This position works closely with HR and Payroll functional partners, business analysts, and technical teams to deliver secure, reliable, and scalable solutions that support core HR and Payroll operations.

Responsibilities:

System Development & Database Programming

• Designs, develops, enhances, and supports enterprise Human Resources & Payroll systems, with primary responsibility for Ellucian Banner and its integrated applications, ensuring system reliability, data integrity, and alignment with business needs;
• Provides advanced hands-on application development using PL/SQL and Oracle database technologies, including the creation and maintenance of packages, procedures, functions, views, and other database objects to support HR/Payroll processes and reporting; and
• Develops and maintains data extracts, integrations, and interfaces between Banner and other institutional systems, ensuring accuracy, security, and compliance with university standards. 

System Maintenance & Production

• Supports Lead and support the implementation of Banner upgrades, patches, releases, and new functionality, including impact analysis, code remediation, testing, documentation, and coordination with functional and technical stakeholders; and
• Serves as a senior technical resource for troubleshooting and resolving complex production issues, performing root cause analysis, and implementing sustainable solutions in a confidential data environment.

Project Planning & Business Analysis

• Collaborates closely with functional partners to understand business processes, translate requirements into technical solutions, and improve the effective use of Banner HR and related systems; and
• Participates in project planning and execution activities, including requirements gathering, technical design, testing, deployment, and post-implementation support for HR systems initiatives.

Reporting, Analytics & Technical Coordination

• Supports HR reporting and analytics needs by developing efficient queries and solutions that enable informed decision-making and process improvement; and
• Collaborates with central IT teams, database administrators, and vendors to coordinate system changes, migrations, testing schedules, and production deployments. 

Documentation, Mentorship & Standards

• Maintains technical documentation, standards, and procedures related to HR systems development, integrations, and operational support; and
• Mentors and provides technical guidance to application developers and analysts, promoting best practices in coding, testing, documentation, and system support. 

Required Qualifications:

• Bachelor’s degree in related field or the equivalent combination of education and experience;
• Considerable experience supporting enterprise HR & Payroll Systems (typically five or more years);
• Demonstrated experience supporting and developing solutions for HR/Payroll Systems in a production environment, including system enhancements, troubleshooting, and operational support;
• Experience testing system releases, patches, and upgrades, including developing test plans, executing test cases, and validating res