Office Manager

Henkels & McCoy West works closely with clients from diverse markets to build enduring partnerships throughout the Western United States. Our team of seasoned professionals designs, builds, manages, and maintains critical and sustainable infrastructure for the power, oil & gas pipeline, gas distribution, and communications industries. Building on a 100-year legacy of performance and service to utility, commercial, industrial, and government clients, H&M West brings together extensive knowledge and innovation to deliver infrastructure construction solutions that meet future energy needs today.

H&M West is a purpose-driven company. Our core values guide our strategy, performance, and culture. We believe in maintaining an environment where team members can make an impact, grow, and thrive. A place where they find meaning and purpose in doing the important work of ensuring communities have the vital energy, light, and communications to prosper. Our culture is inclusive and welcoming. Our teams are empowered with abundant training, tools, and opportunities to follow their curiosity and ambitions. Everyone has an equal chance to advance. Everyone is supported, respected, and challenged to be their best. We’re always looking for talented and dedicated people to join us and love where they work.

Henkels & McCoy West is a proud subsidiary of MasTec (NYSE: MTZ), a Fortune 500 Company ranked by Energy News-Record as one of the leading contractors in the country. H&M West is part of the MasTec Power Delivery segment. We are certified as a minority-controlled company by the National Minority Suppliers Development Council (NMSDC). Our rich diversity of people and ideas makes us a stronger, more innovative organization.

The Office Manager is responsible for overseeing daily office operations and ensuring a safe, organized, and efficient work environment. This role manages administrative functions and provides support to operations teams, ensuring efficient workflow across departments. The position supervises administrative staff, supports project and financial processes, and maintains compliance, organization, and communication across the business.

The following represents the primary duties and responsibilities of this position. Other duties may be assigned as needed.

• →Oversee day-to-day office operations and administrative activities, ensuring efficiency, organization, and accuracy.
• →Serve as the primary point of contact for office and facility matters for the NW Power Team.
• →Coordinate office maintenance, workspace readiness, supplies, equipment, and vendor access as needed.
• →Partner with Safety and Operations teams to support compliance with company policies, safety standards, and applicable regulatory requirements.
• →Manage purchasing processes including purchase orders, invoices, and expense tracking.
• →Support project operations including job setup, billing, documentation, and closeout processes.
• →Coordinate payroll reporting, time tracking, and HR-related administrative updates.
• →Manage accounts receivable tracking, billing status, and collections support.
• →Support adherence to office safety procedures and workplace expectations among employees, visitors, and contractors.
• →Develop and improve office processes and procedures to enhance efficiency.
• →Support communication and coordination between employees, visitors, field personnel, leadership, and corporate support functions.
• →Ensure compliance with company policies, safety standards, and regulatory requirements.

• 3+ years of office management, administrative, or operations support experience.
• Experience supporting project-based or construction environments preferred.
• Experience supervising staff or coordinating team activities preferred.
• High school diploma required; Associate’s degree preferred.

• Strong knowledge of Microsoft Office and business systems.
• Ability to manage multiple priorities and work in a fast-paced environment.
• Strong organizational, communication, and problem-solving skills.
• Ability to handle confidential information with professionalism and discretion.