Human Resources Assistant

Work Schedule: Monday–Friday, 8:00 AM – 5:00 PM Contract Type: Contract (2–3 months, potential to extend)

Work Setting: 100% in-office About Our Client: Addison Group is working with a reputable organization in the Lakewood area seeking an experienced and dependable HR Administrative Assistant. This role is ideal for someone who thrives in a structured office environment and enjoys process-driven work supporting onboarding and compliance.

Job Description: The HR Administrative Assistant will be responsible for managing high-volume onboarding efforts and maintaining accurate employee records. This is a contract opportunity offering hands-on experience in HR operations, specifically in compliance and documentation, with a strong focus on new hire onboarding.

Key Responsibilities: Facilitate onboarding for groups of 20–30 new hires, including compliance-related documentation Coordinate background checks, physicals, DOT applications, and I-9 verifications Audit existing I-9 records for accuracy and completeness Scan and file personnel documents into the appropriate digital systems Support general HR administrative functions as needed Qualifications: 1+ year HR or administrative support experience High attention to detail, especially in documentation and data entry Familiarity with onboarding processes and compliance tasks (I-9, background checks, etc.) Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request. Seniority level Seniority level Entry level Employment type Employment type Contract Job function Job function Administrative and Human Resources Industries Staffing and Recruiting Referrals increase your chances of interviewing at Addison Group by 2x Inferred from the description for this job Medical insurance Vision insurance 401(k) Get notified when a new job is posted. Sign in to set job alerts for "Human Resources Assistant" roles. Denver, CO $60,000.00-$80,000.00 1 day ago Thornton, CO $75,000.00-$95,000.00 1 week ago Englewood, CO $60,000.00-$70,000.00 3 days ago Human Resources Generalist - DEN Airport Denver, CO $70,000.00-$78,000.00 1 day ago Westminster, CO $66,750.00-$95,000.00 4 days ago Talent Acquisition & HR Onboarding Specialist Centennial, CO $60,000.00-$68,000.00 6 days ago Human Resources Coordinator (Law Firm Experience) Coordinator, Executive & Operational Support Greenwood Village, CO $55,000.00-$65,000.00 2 weeks ago Denver, CO $60,000.00-$65,000.00 1 day ago Denver, CO $70,000.00-$106,250.00 2 weeks ago Denver, CO $38,000.00-$55,000.00 2 days ago Boulder, CO $55,000.00-$65,000.00 3 weeks ago People Operations & Immigration Specialist Denver, CO $76,000.00-$95,000.00 22 hours ago Denver Metropolitan Area $84,000.00-$101,000.00 1 month ago Boulder, CO $90,000.00-$120,000.00 4 weeks ago We're unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.