Onsite Office Manager: Streamline Operations & HR Support

MWH Constructors; Broomfield (CO); On-site; USD 80,231,000 - 97,424,000; Full time

Benefits offered by this job

Health benefits

Life insurance

AD&D

401(k) Plan

Paid time off

Paid holidays

Employee referral program

Job summary

MWH Constructors is seeking an Office Manager to support the corporate office in Broomfield, Colorado. The role is essential for smooth daily operations, receptionist duties, vendor relations, and records management.

Requirements: minimum three years in office management or executive support, a high school diploma, and proficiency with Microsoft Office and Outlook. Onsite five days a week. Salary: $28–$34 per hour with full benefits.

Qualifications

• Minimum of three (3) years of professional experience as an Office Manager or Executive Assistant.
• High School diploma or equivalent; college degree preferred.
• Proficiency in Microsoft Office and Outlook; ability to work onsite five days/week.

Responsibilities

• Represent the company at the reception desk and greet employees, visitors, clients and vendors.
• Manage records, filings, mail, and general office organization.
• Schedule meetings, coordinate travel, and prepare draft meeting minutes.
• Support onboarding, HR coordination, and maintain HR documentation.
• Coordinate vendor relations, supplies, and equipment maintenance.
• Oversee office operations, budgets, and administrative processes.

Skills

Office management

Executive support

Vendor management

Calendar management

Onsite work

Education

High School diploma

2-4 year degree preferred

Tools

Microsoft Office

Outlook

Job description

MWH Constructors is seeking an Office Manager to support the corporate office in Broomfield, Colorado. The role is essential for smooth daily operations, receptionist duties, vendor relations, and records management.

Requirements: minimum three years in office management or executive support, a high school diploma, and proficiency with Microsoft Office and Outlook. Onsite five days a week. Salary: $28–$34 per hour with full benefits.