Sr. HR Generalist Job Boston area,Massachusetts USA,HR/Recruitment

What You'll Do

The Sr. Human Resources Generalist is responsible for providing Human Resources support to the organization, applying expertise and independent judgment to complex and sensitive matters. The position owns day-to-day HR activities and administrative duties around payroll, benefits, compliance, performance management and compensation for assigned geographic locations, and serves as an advanced resource to leaders and cross‑functional partners to ensure consistent, compliant, and effective practices.

The Sr. Generalist partners directly with office leadership and other cross‑functional stakeholders to assess risk, interpret policy, recommend solutions, and drive resolution of escalated issues. The Sr. Generalist will also partner with other HR Team Members/Contractors on recruiting for assigned areas, ensuring recruiting activities are completed in accordance with established procedures and requirements. If assigned to the Corporate Office, will provide support to the Director, Human Resources during the annual benefit renewal process and with benefit audits and compliance filings.

Will work with and support others in Human Resources with training and other projects as assigned. If assigned to an office other than the Corporate Office, will be responsible for working with office leadership, up to the CEO, and cross‑functional partners on additional projects and initiatives as assigned.

Specific Responsibilities

Recruiting responsibilities include but are not limited to:
Serves as a recruiting partner for assigned locations and roles, ensuring consistent execution of the full life‑cycle hiring process and adherence to internal controls and legal requirements. Consults with leaders to assess workforce needs, define/refresh job descriptions, and align sourcing strategy to business priorities. Reviews and evaluates applicant pools, conducts and/or guides screening, and advises hiring teams on selection practices and compliant interview techniques.

Coordinates interview logistics and drives timely feedback/decisions, escalating risks or process gaps as needed. Secures required approvals for requisitions and offers, prepares offer letters and independent contractor agreements, and ensures documentation and record retention are complete and audit‑ready. Partners with external recruiting contractors to ensure service levels, candidate experience, and process requirements are met.

Benefits responsibilities include but are not limited to:
Acts as the primary benefits resource for assigned locations, providing consultative guidance to leaders and Team Members on plan provisions, eligibility, and enrollment actions while protecting confidentiality and ensuring consistent application of policy. Leads annual enrollment for assigned locations, including communications, auditing enrollments, and resolving carrier/file issues. Independently manages leave administration (FMLA/ADA coordination as applicable), disability, and other leave programs, partnering with payroll, managers, and vendors to ensure accurate pay/benefit impacts and timely documentation.

Troubleshoots escalated claims or coverage issues and coordinates resolution with vendors. If assigned to the Corporate Office, supports the Director, Human Resources during annual benefit renewal by coordinating vendor data requests, supporting benefit audits and compliance deliverables (including Form 5500 preparation support), and ensuring monthly invoices and reconciliations are accurate and timely.

HR Administration responsibilities include but are not limited to:
Owns day‑to‑day HR operational execution for assigned locations with a focus on accuracy, compliance, and strong internal controls. Oversees HR/payroll‑related transactions (new hires, terminations, address and position changes, pay changes, status changes, and other HRIS actions), ensuring data integrity, proper approvals, and timely processing. Serves as the primary point of contact for HRIS record maintenance and reporting needs for assigned locations;

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