Temporary HR Assistant: Onboarding & HR Ops Support

Celldex; Fall River (MA); On-site; USD 42,350 - 55,000; Full time

Benefits offered by this job

Discretionary bonus

Long-term incentive

401(k) with company match

Health insurance

Paid holidays

Vacation

Sick days

Job summary

Celldex is seeking a highly organized HR Assistant for a 4–6‑month temporary role based in our Fall River, MA office. You will act as a link between employees and business goals, handling benefits enrollment, HRIS data integrity, and day-to-day HR operations to ensure a positive employee experience.

Key duties include maintaining electronic personnel files, coordinating onboarding tasks, supporting performance management, and assisting with audits and HR reporting.

Qualifications

• Handle highly confidential information with discretion.
• Proficient in MS Office applications (Microsoft Suite).
• Strong organizational skills with attention to detail.
• Ability to prioritize and work in a fast-paced environment.
• Strong verbal and written communication skills.
• Excellent interpersonal skills.

Responsibilities

• Create and maintain electronic personnel files, job descriptions, and offboarding paperwork.
• Facilitate onboarding by processing pre-employment tasks and paperwork.
• Maintain and track HR expenses.
• Coordinate employee recognition programs.
• Prepare monthly HR records and reporting.
• Schedule HR events, trainings, and orientations.
• Maintain HR employee status and recruiting reports.
• Assist with performance management cycles and open enrollment.

Skills

Microsoft Suite

Organizational skills

Communication skills

Interpersonal skills

Attention to detail

Education

BS/BA

AA/AS

High school diploma or equivalent

Job description

Celldex is seeking a highly organized HR Assistant for a 4–6‑month temporary role based in our Fall River, MA office. You will act as a link between employees and business goals, handling benefits enrollment, HRIS data integrity, and day-to-day HR operations to ensure a positive employee experience.

Key duties include maintaining electronic personnel files, coordinating onboarding tasks, supporting performance management, and assisting with audits and HR reporting.