Human Resources and Benefits Assistant

Ellenhorn LLC•Arlington, MA

2d•$50,000 - $70,000•Onsite

About The Position

The Human Resources and Benefits Assistant provides hands-on administrative and operational support across the HR function, focusing on benefits administration and day-to-day HR processes. Working closely with the Senior HR Manager, the Human Resources and Benefits Assistant will support company benefits administration, key HR administrative processes, including onboarding logistics, performance evaluations, data management, and audit assistance. This role is ideal for a detail-oriented, service-minded HR professional who enjoys keeping processes organized, supporting employees with care, and ensuring the behind-the-scenes details are handled thoughtfully and accurately. They are personable and responsive, able to build trust with employees while maintaining discretion and professionalism. They bring strong organizational skills, follow-through, and can manage multiple priorities in a fast-paced, evolving environment. Above all, this person is eager to contribute to a collaborative HR team, strengthen the employee experience, and grow alongside the organization as it continues to expand. This is a full-time, in-office position in Arlington, Massachusetts.

Requirements

Associate’s degree or higher
2+ years of administrative HR focused support, including benefits administration (not just general HR support)
Experience with Paylocity or similar HRIS
Proficiency in Google Workspace
Strong attention to detail and follow-through; comfortable with recurring, process-driven work
Highly organized, detail-oriented, and comfortable managing multiple timelines
Strong collaboration skills and comfort working within defined scopes and processes

Nice To Haves

Experience working in healthcare or mental health
Experience in a high-volume administrative support role

Responsibilities

Serve as point of contact for employee benefits questions (health, dental, vision, fsa)
Process benefit enrollments, changes, and terminations
Support annual open enrollment process
Maintain benefits files and required compliance documentation
Provide administrative assistance with onboarding and offboarding processes
Support performance review management cycle
Assist with annual compliance training tracking and organization
Update employee records, including data entry and document organization
Handle sensitive information with discretion and professionalism
General administrative support to the HR team
Perform other duties as assigned