Human Resources Administrator MWH Constructors paid time off, paid holidays, 401(k) United States, Colorado, Broomfield Aug 19, 2026 MWH is a leading water and wastewater treatment-focused general contractor in the US with a rich history dating back to the 19th century. Fueled by the mission of Building a Better World, our teams are rapidly growing across the nation. As a company committed to our team's well-being and growth, we offer a supportive work environment, opportunities for advancement, and the chance to contribute to a mission that shapes the future. Your expertise and ambition are valued here. The work we do matters. The critical systems infrastructure we build changes lives, betters' communities, and improves ecosystems. If you're passionate about this, we want to hear from you! About the Role MWH is currently seeking an organized and detail-oriented Human Resources Administrator (HRA) with a focus on construction industry operations to support the Sr. Human Resources Business Partner. The role will involve processing HR data, maintaining and updating employee records, and supporting various administrative HR functions. This position will primarily assist with workforce management, compliance and data entry tasks for our construction and corporate teams. This position will be based in our corporate office in Broomfield, CO. Essential Functions Provide administrative support to HR, including HR Business Partners and Generalist colleagues. Maintain working knowledge of HR processes and policies. Manage the HR shared inbox and phone line. Answer employees' queries to the fullest extent possible, rerouting/escalating complex matters to the appropriate individual when necessary. Provide high-quality, timely, and professional customer service. Complete HR projects as needed. Process and track employee status changes, including new hires, terminations, transfers, and promotions. Perform record keeping and help maintain our HR data systems. Work with Payroll as well as other internal business partners. Assist in coordinating onboarding for new hires, including documentation and orientation processes. Perform employment verifications promptly. Other duties as assigned. Hourly non-exempt position 100% full time in office position. This role is not hybrid or work-from-home. The position reports to Sr. Human Resources Business Partner. Basic Qualifications High School Diploma/GED. Two-year degree in human resources, organizational design, business administration, accounting, or related field or equivalent combination of experience, skills, and training. Minimum 2 years of administrative and/or customer service experience in a professional office. Working knowledge of general office procedures and proficiency in Microsoft Office suite. Solid communication and interpersonal skills.

Compensation Range:

$26.44 - $32.69 per hour, based on experience Benefits Health Insurance (medical, dental, and vision) Paid Time Off (includes vacation and sick) 10 Paid Holidays 401(k) Plan (company matching contributions up to 4%) Employee Referral Program MWH Constructors is a global project delivery company in heavy civil construction with a focus on water and wastewater treatment infrastructure. With the ultimate goal of delivering maximum value to clients and their local communities, MWH Constructors provides single-source, integrated design and construction services through a full range of project delivery methods. Incorporating industry-leading preconstruction and construction services, the Company's multi-disciplined team of engineering and construction professionals delivers a wide range of projects, including new facilities, infrastructure improvement and expansion, and capital construction services. Equal Opportunity Employer, including disabled and veterans. Please note that all positions require pre-employment screening, including drug and background check, as a condition of employment. #LI-MF1 #LI-Onsite