Payroll & HRIS Specialist (Paylocity) — Part-Time, Remote, Temporary

Description: MNS Engineers is seeking a Payroll & HRIS Specialist with extensive Paylocity experience to support the conversion of our payroll cycle and ensure compliance across all payroll and HR systems. This is a part-time, remote contract position (20–30 hours per week) expected to run through March 2026. The role will collaborate closely with our Controller, Accounting Manager, and HR team to facilitate a seamless transition from a semi-monthly to bi-weekly payroll cycle effective January 1, 2026. Essential Duties and Responsibilities • Lead the conversion of the payroll cycle in Paylocity from semi-monthly to bi-weekly, ensuring accurate configuration of all earnings and deduction codes (salary rates, stipends, 401k, union dues, benefits, etc.). • Audit and verify all GL mappings and tax setups, ensuring appropriate state tax POAs and timely remittances. • Partner with Paylocity to confirm compliance with all regulatory requirements related to the payroll cycle change. • Ensure adherence to the Working Families Tax Cut Act (formerly OBBB), including qualified overtime pay calculations and W-2 reporting in 2025, and full compliance by 2026. • Support the Controller in reviewing 2025 W-2s and executing off-cycle payroll runs (e.g., bonuses, PUCC). • Assist the Accounting Manager with non-Caltrans certified payroll reports as needed. • Manage setup and calculations for earnings and deductions within Paylocity. • Review and approve group insurance invoices and COBRA payments before processing. • Oversee the company 401(k) retirement plan and employee benefit programs such as FSA and HSA plans. • Responsible in the remittance of employee payroll deductions for 401(k), FSA, HAS and court-ordered garnishments. • Ensure accurate and timely remittance of garnishment payments to appropriate agencies. • Support benefits administration and open enrollment activities. • Oversee ACA reporting (Form 1095-C) and ensure year-end compliance. • Maintain and configure time-off policies, holiday hours, compensation dashboards, and bonus/merit tracking. • Manage leave of absence (LOA) processes and reporting. Requirements: • Minimum 2 years of direct Paylocity experience (payroll configuration, audits, compliance) required. • 3–5 years of payroll and HR experience • Strong understanding of payroll tax compliance and general ledger mapping. • Experience with benefits administration, deductions, and ACA reporting. • High attention to detail with the ability to audit, problem-solve, and manage multiple priorities. • Strong collaboration and communication skills, with experience working cross-functionally between HR and Accounting.