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Office Manager

MasTec Industrial, a MasTec Company
Boise, ID Full Time
POSTED ON 4/23/2026
AVAILABLE BEFORE 5/22/2026
Overview

The Office Manager, Field performs office essential functions in a field-based capacity. This person serves as a link between project leadership and craft personnel including but not limited to changes in work schedule, tracking of worked hours, mass text message alerts as needed.

Travel

Travel required up to 100%. Position requires presence directly on the Project Site location

Company Overview

MasTec Industrial, alongside its sister companies Casey Industrial and Phoenix Industrial, has been in operation since 1947. We serve a diverse clientele, including utilities, independent power producers, developers, and municipal utilities.

Specializing in projects using natural gas, oil, biomass, and other combustible fuels, our team boasts over 30 years of expertise in the power industry. We provide EPC (Engineering, Procurement, and Construction) services and assist in project development. Our experience spans various systems for utility and industrial facilities, including simple and combined cycle plants, reciprocating engines, and waste-to-energy projects. MasTec Industrial delivers value throughout all project phases, from conceptual design to operations and maintenance.

At MasTec Industrial, we are dedicated to delivering the highest quality, safety, and value in every project. We focus on attracting, developing, and retaining top talent within our organization. Our goal is to foster a respectful work environment where all employees feel valued, included, and empowered to become innovative leaders in the industry.

The MasTec Industrial market sector is part of the MasTec Clean Energy & Infrastructure business segment. MasTec’s Clean Energy & Infrastructure (CE&I) segment generates over $4 billion in annual revenue, providing construction services across industrial, renewables and infrastructure sectors. In addition to our industrial market sector; In infrastructure, we specialize in general heavy civil construction, underground utilities, structures, electrical work, material production, roadways, bridges, specialty pavement overlays, environmental projects and commercial buildings. Our renewables sector focuses on solar, wind and battery storage. Sustainability and safety are foundational to our culture and influence everything we do.

MasTec, a minority-owned Fortune 500 company, has shaped the construction industry for more than 90 years. With over 35,000 employees and 400 offices nationwide, we provide flexibility and career growth in dynamic work environments.

Responsibilities

ESSENTIAL JOB FUNCTIONS:

  • Maintaining databases
  • Collecting expense data
  • Ensuring office supplies are stocked
  • Support site leadership with craft worker communications
  • Oversight of new hire, timekeeping, and separation tasks in applicable software systems
  • Works with the payroll team to ensure pay accuracy for weekly pay process
  • Maintains office files; implements an efficient system for other staff to access files and records
  • Create administrative processes as needed
  • Maintains office efficiency by planning and implementing office systems, layouts, and equipment procurement.
  • Onboarding of new hires
  • Document Control
  • Oversight of invoice processing, serve as back up as needed
  • Manage, lead direct reports, and mentor.

Qualifications

EDUCATION AND WORK EXPERIENCE REQUIREMENTS:

  • 4 years related experience and/or training or equivalent combination of education and experience
  • Minimum of 1 year accounting and office management experience in the construction, engineering or architectural (or related) field

Knowledge, Skills, And Abilities Required

  • Be knowledgeable of MIC Health and Safety programs and project specific regulations.
  • When on-site, actively participate in daily toolbox meetings with crews and subcontractors.
  • Set a personal example of safe behavior.
  • Strong background in the utilization of Microsoft Office Suite
  • Ability to work independently and with a team in a fast-paced and high-volume environment with emphasis on accuracy and timeliness.
  • Basic knowledge of office operations in a construction field environment
  • Demonstrate the ability to work with vendors and customers.
  • Capacity to work with other departments within the organization to reach consensus and solve problems.
  • Self-motivating and capable of taking initiative to obtain improvements in the accounts payable and cash disbursement process.
  • Intermediate skills of accounting systems and Excel spreadsheets.
  • Excellent verbal, written and interpersonal skills.
  • Other may duties may be assigned

PHYSICAL DEMANDS: This position requires prolonged sitting at a desk and working at a computer. Must be able to lift up to 20 pounds at times.

What's In It For You

Financial Wellbeing

  • Compensation $28 - $35 per hour, commensurate with experience.
  • Competitive pay with ongoing performance review and merit increase
  • 401(k) with company match & Employee Stock Purchase Plan (ESPP)
  • Flexible spending account (Healthcare & Dependent care)

Health & Wellness

  • Medical, Dental, and Vision insurance (plan choice) - coverage for spouse, domestic partner, and children
  • Diabetes Management, Telehealth Coverage, Prescription Drug Plan, Pet Insurance

Family & Lifestyle

  • Paid Time Off, Paid Holidays, Bereavement Leave
  • Military Leave, including Differential Pay and Benefits Continuation
  • Employee Assistance Program

Planning for the Unexpected

  • Short and long-term disability, life insurance, and accidental death & dismemberment
  • Voluntary life insurance, accident, critical illness, hospital indemnity coverage
  • Emergency Travel Assistance Program
  • Group legal plan

Position may be subject to pre-employment screening, which may include background check and drug testing. Accessibility: If you need an accommodation as part of the employment process, contact ceicareers@mastec.com. Due to the high volume of applications received, we are unable to respond to individual requests regarding application status. Please log into your candidate profile for up-to-date information.

MasTec, Inc. is an Equal Employment Opportunity Employer/Disability/Veteran. The Company's policy is not to unlawfully discriminate against any applicant or employee on the basis of race, color, sex, sexual orientation, gender identity, religion, national origin, age, disability, genetic information, military status, or any other consideration made unlawful by applicable federal, state, or local laws. The Company also prohibits harassment of applicants and employees based on any of these protected categories. It is also MasTec's policy to comply with all applicable state, federal and local laws respecting consideration of unemployment status in making hiring decisions.

Disclaimer: MasTec and our Subsidiaries will never ask prospective employees for any form of payment or money transfer as part of job application or onboarding. We do not ask prospective employees for information about credit cards or personal passwords, and it does not require applicants to purchase equipment or software. Ensure that all recruiter email addresses end in @mastec.com or @talent.icims.com. If you suspect you are the target of a scam, we advise you to contact your local law enforcement agency and report fraud at https://reportfraud.ftc.gov/.

MasTec Clean Energy & Infrastructure and our subsidiaries do not work with any third-party recruiters or agencies without a valid signed agreement and partnership with the Corporate Talent Acquisition Team.

Salary : $4

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