Onsite HR Administrator — Onboard & HR Ops Lead

Len-the-Plumber; Arbutus (MD); On-site; USD 33,000 - 39,000; Full time

Benefits offered by this job

401(k) matching

Paid time off

Life insurance

EAP

Home service discounts

Professional development

Growth opportunities

Job summary

Master Trades Group is seeking an organized Human Resources Administrator for an onsite role in Halethorpe, MD. You will maintain employee records, manage onboarding and offboarding across multiple locations, and support HRIS transactions, payroll updates, and routine inquiries.

The position requires 2–3 years of administrative experience, proficiency with Microsoft Office, and strong confidentiality, communication, and organizational skills.

Qualifications

• High School Diploma or equivalent required; Associate's degree preferred.
• 2–3 years of administrative experience in a fast-paced office environment.
• Experience using Microsoft Office Suite, including Word, Excel, Outlook, and PowerPoint.
• Experience working with HRIS systems or other employee database platforms preferred.
• Excellent organizational skills with exceptional attention to detail and data accuracy.
• Strong written and verbal communication skills.
• Ability to maintain confidentiality and handle sensitive information with professionalism.
• Ability to prioritize multiple tasks while meeting deadlines in a fast-paced environment.

Responsibilities

• Maintain accurate employee records and HRIS updates.
• Coordinate onboarding and offboarding across multiple locations.
• Assist Payroll with routine updates and documentation.
• Support onboarding, orientation, and new hire materials.
• Provide first line HR support to employees and managers.
• Assist with HR audits and compliance.

Skills

Administrative experience

Microsoft Office

HRIS systems

Confidentiality

Communication

Prioritization

Education

High school diploma or equivalent

Associate's degree preferred

Tools

ADP Workforce Now

UKG

Paycom

Workday

Job description

Master Trades Group is seeking an organized Human Resources Administrator for an onsite role in Halethorpe, MD. You will maintain employee records, manage onboarding and offboarding across multiple locations, and support HRIS transactions, payroll updates, and routine inquiries.

The position requires 2–3 years of administrative experience, proficiency with Microsoft Office, and strong confidentiality, communication, and organizational skills.