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Assistant Controller

MasTec Industrial, a MasTec Company
Louisville, CO Full Time
POSTED ON 6/28/2026
AVAILABLE BEFORE 7/26/2026
Overview

The Assistant Controller is a key finance leader who helps manage daily accounting activities and ensures financial information is accurate and reliable. This role supports strong internal processes and works closely with teams across the business to help projects stay on track financially. The Assistant Controller plays an important role in improving processes, supporting business decisions, and ensuring company policies and standards are followed.

Location & Travel Details: Preference for candidates living in the Denver, CO area.

This is a hybrid role. Must be able to travel up to 10% of the time.

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:

  • Assist Controller with various tasks and projects, including, but not limited to, corporate requests, internal and external audit requests, supporting schedules and reports to meet month end/year end work papers, monthly, quarterly, and annual deliverables and reports
  • Oversee the implementation and ongoing application of accounting standards (ASC 606, ASC 842)
  • Review accounting conclusions and ensure compliance with GAAP and SOX requirements
  • Evaluate effectiveness of internal controls and segregation of duties
  • Ability to work with project managers and others in the organization directly related to project performance, estimates and controls
  • Review of month end, quarter end and year end work papers and variance analysis for completeness and accuracy
  • Ensure timely and accurate issuance of reporting packages to corporate
  • Validate key financial results and investigate variances with accounting and operations teams
  • Assist with audits with internal and external auditors
  • Ensure compliance with accounting policies and procedures, including Sarbanes Oxley
  • Oversee fixed asset accounting, including review of acquisitions, disposals, and depreciation
  • Ensure accuracy of prepaid, insurance, and balance sheet account reconciliations
  • Drive process improvements in all accounting areas
  • Ensure compliance with Authority Matrix requirements, including review of approvals and supporting documentation for key transactions

Supervisory

  • Responsible for the management and development of staff accountants

Qualifications

EDUCATION AND WORK EXPERIENCE REQUIREMENTS:

  • Bachelor's degree (B.A.) from four-year college or university
  • CPA certification preferred
  • Five (5) to seven (7) years’ experience and/or training or equivalent combination of education and experience

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 and integrity.
  • Proficiency in complex project accounting principles
  • Proficiency with Microsoft Office Products.
  • Strong knowledge of InEight or Vista Software / Oracle ERP systems.
  • Extensive knowledge in all aspects of construction accounting, including percentage of completion calculations
  • Extensive knowledge of generally accepted accounting principles (GAAP)
  • Proficient communication, interpersonal and organization skills along with attention to detail and a high level of accuracy and professionalism
  • Ability to handle multiple tasks with simultaneous deadlines and prioritize workload in a fast-paced dynamic environment
  • A proven leader in mentoring and developing accounting staff
  • Strong analytical and problem-solving skills
  • Ability to interact with multiple personalities at all levels within the organization
  • Other duties as assigned

What's In It For You

Financial Wellbeing

  • Compensation $115,000 - $135,000 per year, 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 : $115,000 - $135,000

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