Payroll & HRIS Specialist

Geo-Technology Associates, Inc. (GTA) is seeking a talented Payroll & HRIS Specialist to join our team in Abingdon, Maryland.

Own payroll. Improve processes. Help modernize our systems.

We're a growing, project-driven AEC firm looking for a high-caliber Payroll Specialist who wants to do more than just push buttons. If you love accuracy, thrive in a fast-paced environment, and get excited about making processes better, this role gives you the chance to own payroll from end to end and play a key role in how we scale.

You’ll collaborate every day with HR, Accounting, Finance, and IT, support compliance across multiple states, and be hands‑on as we evaluate and select our next HRIS/payroll system. This is the ideal role for someone who enjoys both the precision of payroll and the creativity of improving how it all works.

If you’re detail‑obsessed, improvement‑minded, and want your work to matter, you’ll love it here.

• Run accurate, timely payroll for all employees
• Maintain employee payroll data (new hires, terms, benefits, pay changes)
• Reconcile payroll accounts and proactively resolve discrepancies
• Support audits, reporting, tax filings, and multi‑state compliance
• Partner with HR, Accounting, and IT to streamline and modernize workflows
• Contribute to the RFP, evaluation, and selection of our future HRIS/payroll platform
• Cross‑train across HR, Finance, and Accounting — grow your skill‑set beyond payroll
• Bring new ideas, help us automate, and champion continuous improvement

• 2+ years of payroll experience (multi‑state strongly preferred)
• Strong understanding of payroll laws, taxes, and compliance requirements
• Proficiency with Excel and experience with HRIS/payroll systems (ADP, UKG, Workday, Paycor, etc.)
• Analytical mindset — comfortable with data, reconciliations, and problem‑solving
• Organized, detail‑focused, and energized by improving manual processes
• A collaborative communicator who likes partnering across teams

• You’ll play a big role in modernizing our payroll and HRIS foundation
• Broad visibility across HR, Finance, and Accounting
• Being part of a supportive team that values smart ideas and continuous improvement
• You’ll make a real, visible impact at a profitable AEC firm scaling for the future
• Upward trajectory, room to grow and develop far beyond the traditional payroll track

We ensure nondiscrimination and equal employment opportunity in all programs and activities in accordance with Title VI of the Civil Rights Act of 1964, and all subsequent revisions and amendments.