Senior Estimator – Renewable Energy

Company: IEA Management Services
Location: Nashua
Posted on: February 20, 2026

Job Description:

Overview: As a Senior Estimator , you’ll play a key role in delivering utility-scale solar, wind, and battery energy storage projects across the U.S . This role goes far beyond quantity takeoffs—you will lead large conceptual EPC bids, shape pricing strategy, evaluate risk, and coordinate directly with Directors, VPs, and Executives to build winning proposals. Location: You will work onsite from our fast-growing Phoenix, AZ office, supporting projects nationwide while maintaining local stability and minimal job-site travel. This position gives you the opportunity to mentor junior estimators, collaborate across Engineering, Procurement, Scheduling, and Construction, and influence the pursuit of billion-dollar renewable infrastructure projects that support long-term U.S. energy needs. Company Overview MasTec Renewables, comprised of Wanzek Construction, IEA Constructors and White Construction, combines over 20 years of renewable energy construction experience. Depending on your position and project, you may work for one or more of our companies over your career with us. We embrace diverse perspectives among our employees and across all levels of our business, including our suppliers, community partners, and clients. We have built a multidimensional workforce that brings valuable differences in perspectives, work ethics, and approaches to our organization. By collaborating across departments, we foster innovation and encourage everyone—from interns to executives—to share their ideas and make an impact. Our goal is to create a respectful work environment where all employees feel valued, included, and empowered to become innovative leaders in our industry. The MasTec Renewables 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. Our industrial expertise includes building products manufacturers, decarbonization, power generation facilities, manufacturing plants and mining. 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: Perform complete conceptual estimates for large, complex EPC projects from receipt of bid package through final bid review, including: site visits, scope determination, Material Takeoff, input data into computerized estimating systems, questions to Owner/Engineer and qualifications Manage the available bid time to insure accurate and timely preparation of a complete estimate Function as a team player; create an environment where other groups and individuals want to work with you Utilize ability and experience to conceptualize portions of estimate Organize and detail the estimate so that manhours can be properly applied, easily understood for review purposes, and efficiently turned over to the field personnel Demonstrate an advanced knowledge of all aspects of Construction Estimating and consistently manage bid teams for large, complex projects Train and mentor Estimator I and Estimator IIs Mastery of technical estimating responsibilities including lead responsibilities such as: site visits and jobsite exposure, understanding RFQ requirements, questions to owner/engineer, turnover of bid estimate to the field, etc. Mastery knowledge of discipline specific responsibilities including lead responsibilities such as: material take offs, comprehension of drawings and specifications, manhour analysis, understanding of material pricing, subcontracts, etc. May be assigned as the Lead Estimator on estimates Other duties as assigned Qualifications: EDUCATION AND WORK EXPERIENCE REQUIREMENTS Minimum of 7 years of estimating or project management experience in construction (EPC preferred) Associate or bachelor’s degree in Estimating, Engineering, Construction Management, or equivalent experience Utility scale solar, wind or battery energy storage estimation experience or estimation for large-scale heavy civil construction projects highly desired, but not required Experience leading full bids and coordinating with vendors/subcontractors. Ability to interpret drawings, specifications, contract types, and RFP requirements. Excellent written and verbal communication skills (working with cross-functional teams, giving predicable and timely updates, drafting clear and concise technical questions and presenting logical estimates). Ability to solve complex problems, lead cross-functional stakeholders, and manage deadlines. KNOWLEDGE, SKILLS, AND ABILITIES REQUIRED Take reasonable care of your own and others’ health and safety and of those who may be affected by the day-to-day delivery of this role by taking personal responsibility for working toward the Company’s Zero Injury principles Read, analyze and interpret the most complex documents Respond effectively to the most sensitive inquiries or complaints Use effective verbal and written communication skills. Add, subtract, multiply and divide whole numbers rapidly and accurately. Ability to solve practical problems and deal with a variety of concrete variables in situations Interpret a variety of instructions furnished in written, oral, diagram or schedule form Knowledge of construction techniques, estimating and construction management Knowledge of various contract types including Engineer, Procure, and Construct, Design Build, and Joint Venture What's in it for You Financial Wellbeing Compensation $125,000-$175,000 / year, commensurate with experience Annual In centive Program (AIP) 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, Weight Management Drug Discount Discounted National Gym Membership Network Family & Lifestyle Paid Time Off, Paid Holidays, Bereavement Leave Military Leave, including 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 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. 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. LI-KM1 LI-Onsite Appcast (For Export): appflash

Keywords: IEA Management Services, Plymouth , Senior Estimator – Renewable Energy, Energy / Utilities , Nashua, Massachusetts