Payroll Manager

Payroll ManagerSalary: $100-130k + bonusIndustry: Commercial constructionLocation: WalthamWFH situation: Onsite daily to train. Once settled, it is 4 days onsiteJob DescriptionThe Payroll Manager is responsible for leading the accurate, timely, and compliant administration of payroll and related accounting activities for a large mechanical contractor. The role oversees high-volume weekly payroll in a union construction environment and is accountable for the controls, reconciliations, reporting, and cross-functional coordination required to support field and office employees across multiple jurisdictions. This position works closely with the Controller, Operations, Human Resources, Legal, and union benefit funds. The manager must understand certified payroll, prevailing-wage requirements, collective bargaining agreements, labor classifications, job costing, labor burden, multi-state taxation, and the operational realities of a large, complex mechanical contractor.Payroll Operations & Team LeadershipOversee all daily payroll activities and supervise the payroll team.Supervise, develop, and cross-train payroll staff; establish clear responsibilities, review standards, backup coverage, and documented procedures.Maintain a strong service orientation while enforcing payroll cutoffs, documentation requirements, and internal controls.Compliance & Certified ReportingCollaborate with Operations and Legal teams, ensuring accurate and timely compliance with weekly certified payroll requirements.Manage federal and multi-state payroll tax filings-weekly, monthly, quarterly, and annually-ensuring accurate calculations and timely submissions.Coordinate responses to IRS notices and collaborate with external auditors on payroll audits.Conduct weekly reviews of tax payments to ensure accuracy and compliance.System Integration & ReconciliationReconcile payroll bank accounts monthly and resolve any variances.Perform monthly reconciliation of payroll-related GL accounts to guarantee accuracy.Year-End & Annual ActivitiesLead year-end payroll close, including W-2 generation and delivery.Manage 1099 issuance in partnership with the Accounting team.Oversee preparation for the annual 401(k) audit and coordinate with plan providers.Benefits & Union CoordinationProcess 401(k) contributions and loan repayments in compliance with plan deadlines.Assist HR with open-enrollment changes, updating payroll deductions accordingly.Calculate, reconcile, and remit monthly union benefit contributions and reports.Implement union labor rate increases through system updates and audit verifications.Systems, Controls & Process ImprovementServe as a subject-matter expert for payroll functionality in CMiC and related timekeeping, reporting, banking, and benefit systems.Maintain payroll configuration, earning and deduction codes, tax settings, union tables, labor rates, approval workflows, and system access controls.Develop and maintain written procedures, payroll calendars, reconciliation templates, control checklists, and audit-ready documentation.Evaluate opportunities to automate manual work, improve data quality, strengthen controls, and reduce payroll-cycle risk.Participate in system upgrades, testing, integrations, acquisitions, new-jurisdiction setup, and other cross-functional initiatives affecting payroll.Education & Experience5+ years of high-volume payroll processing utilizing in-house software.Bachelor's Degree or equivalent relevant experience.Construction industry experience is preferred.Experience with union payroll preferred.CPP designation is preferred.Microsoft Office Suite (good Excel)CMiC - preferred but not required.