HR Administrator

TriNetX, LLC.•Cambridge, MA

5d•Hybrid

About The Position

The HR Administrator is a foundational role on the Global HR team, providing administrative, recruiting, and cultural support across the employee lifecycle. This position plays a critical support role, ensuring HR processes run smoothly, employees receive timely support, recruiting activities are well-organized, and HR systems and resources remain accurate and accessible. This is an ideal entry point into Human Resources for someone interested in growing a career in HR, Recruiting, or People Operations. The role offers broad exposure, hands-on learning, and close partnership with HR leadership, recruiting, and payroll.

Requirements

Strong interest in building a career in Human Resources, Recruiting, or People Operations
Excellent organizational skills with strong attention to detail
Clear, professional communication skills and a service-oriented mindset
Ability to handle confidential and sensitive information with discretion and integrity
Comfort working in a fast-paced, collaborative environment with multiple priorities
Proficiency with Microsoft 365

Nice To Haves

Prior HR, recruiting, or administrative experience is a plus but not required

Responsibilities

Serve as a first point of contact for employee questions, triaging inquiries and ensuring timely resolution or escalation
Provide administrative support to the Global HR team across ongoing and ad hoc initiatives
Support onboarding and offboarding processes to ensure a smooth, compliant, and positive employee experience
Maintain accurate and up-to-date employee data within the HRIS
Coordinate with Payroll to support employee changes, audits, and data integrity
Assist the HR team in maintaining, organizing, and updating employee-facing documentation and resources within the HR SharePoint site
Partner closely with the recruiter to support the full recruiting lifecycle
Coordinate and schedule interviews, including complex calendars across multiple time zones
Review resumes and support candidate screening coordination
Assist with offer letter preparation and coordination with HR, Recruiting, and Payroll
Ensure a high-quality, professional experience for candidates and hiring managers
Support culture, engagement, and onboarding initiatives that reinforce company values
Assist with planning and logistics for employee programs, onboarding sessions, and company events
Contribute to a consistent, inclusive, and well-executed employee experience
Manage calendars, meetings, and documentation related to HR initiatives
Complete data entry, reporting, and basic metrics tracking
Support continuous improvement of HR processes, workflows, and documentation