Sr. HV/BESS Estimator

Qcells EPC; Houston (TX); Remote; USD 120,000 - 180,000; Full time

Job summary

Hanwha Qcells USA Corp is seeking a Senior HV/BESS Estimator for our remote EPC operations based in Houston, TX. The role requires analyzing high‑voltage substation and BESS costs, coordinating with project teams, and delivering competitive bid packages.

You will lead cost estimation activities, review bids, and develop robust cost models while aligning with project schedules and risk management. Travel up to 25% is expected, with full-time employment and US work authorization required.

Qualifications

• Bachelor's degree or relevant certificate required.
• 5+ years estimating experience in utility-scale projects (solar/BESS).
• Strong EPC contracting and electrical systems knowledge.
• Proficiency with cost estimating software such as HCSS HeavyBid.
• Excellent written and oral communication; travel up to 25%.

Responsibilities

• Lead cost estimation for HV substation and BESS projects.
• Review subcontractor bids and quotations.
• Develop cost models and take-offs; manage bid preparations.
• Collaborate with project managers to plan resources and schedules.
• Identify risks and implement contingency plans.
• Ensure QA on estimates and compliance with standards.

Skills

Leadership & management

Communication skills

Willingness to travel

Negotiation skills

Self-motivation & organization

Education

Bachelor's degree or relevant certificate

Tools

HCSS HeavyBid

Microsoft Office Suite

Smartsheet

Procore

Job description

Description

Title: Senior HV/BESSEstimator

Department: Estimation/Preconstruction

Location: Houston, TX

Supervisor: Director of Estimation

FLSA Status: Exempt

Position Status: Permanent; Full-time

Work Status (Remote/Hybrid/In-Office): Remote

SENIOR HV/BESSESTIMATOR

HanwhaQcellsUSA Corp (QcellsUSA), headquartered in Houston, TX, specializes in providing utility-scale modules, solar photovoltaic (PV), and battery energy storage systems (BESS) project development, along with Engineering, Procurement, and Construction (EPC) services for solar and BESS projects nationwide.QcellsUSA delivers comprehensive turnkey solutions encompassing the entire utility-scale project lifecycle. By choosingQcellsUSA for turnkey solutions, customers can reduce uncertainty and risk, leading to enhanced investment returns and contributing to a more sustainable future.

QcellsUSA’s complete turnkey solutions seamlessly integrate the expertise of our Module, Development, and EPC teams, while ensuring close coordination with other vital internal groups such as Project Finance, Systems Integration, and Legal. This collaborative approach ensures thatQcellsUSA projects deliver exceptional value and performance. With several multi-billion-dollar investments,Qcellsis pioneering the establishment of the only complete module supply chain in the U.S., including the expansion of our Georgia module manufacturing facility, which stands as the largest in the Western Hemisphere.

As an integral part of the globalQcellsbrand,QcellsUSA benefits from a legacy of excellence in photovoltaic manufacturing.Qcellsis renowned worldwide for its high-performance, superior-quality solar cells and modules. With dual headquarters in Seoul, South Korea (Global Executive HQ) andThalheim, Germany (Technology & Innovation HQ),Qcellsoperates under the umbrella of Hanwha Group, a FORTUNE Global 500 company and one of the top 8 business conglomerates in South Korea.

Summary

As aSenior HV/BESS Estimator in our utility-scale solar Engineering, Procurement, and Construction (EPC) company, you will play a crucial role in the successful execution of our projects. You will work closely with the estimators and work closely with various departments to accurately estimate costs and resources required for utility-scalesolar and BESSand standaloneBESSprojects. Your expertise will guide decision‑making processes, ensuring the profitability and efficiency of our projects. Your primary focus will be providing firmbid/submittal documents and cost estimates inclusive of all activities related to high voltage substations and BESSpricing by leveling, reviewing, and analyzing subcontractor and material proposals, performing take-offs, scope reviews, risk identification, engineering optimization, and increasing margins through identifying cost efficiencies.

This position reports to the SeniorHV/BESS Estimating Manager in charge of overseeing all estimating activities and approvals related to the EPC business or another senior management personnel that the CEO of the Company may designate.

This position is a remote, working out your home office and traveling to jobsites, working hours are Monday through Friday, from 8:00am to 5:00pm or 9:00am to 6:00pm local time. Overtime and weekend working hours may be required as needed. This position is expected to travel up to 25%.

Applicants must be authorized to work for any employer in the United States. We are unable to sponsor or take over sponsorship of an employment visa at this time.

Essential Job Function & Responsibilities

• Leadership and Management
  • Coordinate with project managers, engineers, and other stakeholders to understand project requirements and deadlines.
  • Develop and implement strategies to improve the efficiency and accuracy of the estimation process.
• Develop and manage a cost models;
  • Use computer estimating software to create and compileestimates;
  • Develop assemblies in estimatingsoftware;
• Cost Estimation
  • Oversee the preparation of detailed cost estimates for utility-scale solar projectsspecifically related to the HV Substation and BESS including materials, labor, equipment, and subcontractor costs.
  • Analyze project specifications, drawings, and other documents to accurately determine project scope and requirements.
  • Utilize historical data, industry benchmarks, and market trends to ensure cost estimates are realistic and competitive.
• Review and validate subcontractor bids and quotations.
• Resource Planning
  • Collaborate with project managers to develop resource plans based on estimated costs and project schedules.
  • Identify and quantify resource requirements, including manpower, equipment, and materials.
  • Optimize resource allocation to maximize efficiency and minimize project risks.
  • Develop labor productivity and (installation unit costs where applicable) based on projected site conditions and historicaldata;
• Risk Management
  • Identify potential risks and uncertainties associated with project estimates.
  • Develop risk mitigation strategies and contingency plans to address identified risks.
  • Conduct sensitivity analysis to assess the impact of various factors on project costs and profitability.
• Bid Preparation
  • Prepare comprehensive bid proposals in response to client requests for proposals (RFPs) and invitations to bid (ITBs).
  • Ensure bid proposals are accurate, competitive, and aligned with project requirements and company objectives.
  • Collaborate with business development and sales teams to develop pricing strategies and negotiate contracts with clients.
• Participate in bid review meetings;
• Vendor and Supplier Management
  • Maintain relationships with vendors, suppliers, and subcontractors to ensure competitive pricing and timely delivery of materials and services.
  • Evaluate vendor performance and negotiate pricing agreements to achieve cost savings and improve project profitability.
• Quality Assurance
  • Review project estimates to ensure accuracy, completeness, and compliance with company standards and industry best practices.
  • Implement quality assurance processes to validate project estimates and identify areas for improvement.
• GeneralRequirements
  • Have an understanding of EPCcontracting;
  • Have a strong understanding of electricaltheory;
    • Have understanding of environmental, geotechnical, and hydrologicalreports;
    • Have a general understanding of currentHVand BESSequipment and impacts of eachsystem;
  • Keepup-to-dateon local building codes;
  • Create and maintain projectdirectives;
  • Ability to travel when required. Travel up to 25% as needed
    • The duties and responsibilities are intended to describe the general nature and scope of work being performed by this position. This is not a completelistingand other duties will be assigned based on the positions role within the business unit.

Required Qualifications

• Bachelor's Degree and/or relevant certificate from college or technical school. No degree will be considered if relevant experience exceeds 3 years;
• 5+ years relevant experiencein estimating and project management, with at least 3 years of experience in utility-scale solar, HV, and BESS projects.(Construction, energy industry preferred);
• Background in commercial construction, electrical equipment supply, and/or power plantengineering;
• Strong understanding ofutilitySolar and Battery storage installation and BestPractices;
• Willingness to travel domestically and internationally, up to 25%;
• Strong oral and written communication skills, computer fluency, agile and effective negotiator with clear oral and written explanationsrequired;
• Work experience in construction-related estimation (solar PV and BESS projects in particular) stronglypreferred;
• Proficiency in cost estimation software and tools, such as HCSS HeavyBid or similarapplications;
• Advanced knowledge in Microsoft office Suite, Smartsheet, and Procoreexperience ispreferred;
• Self-motivated, superior organization skills and attention todetail;
• Assertive, ability to cope with dynamicsurroundings; and
• Proven leadership and management skills, with experience leading teams and managing multiple projects simultaneously.

EXAMPLES OF PHYSICAL DEMANDS

• Stationary Position: frequently remains stationary up to 90% of the time and sitting up to 8 hours in a day
• Move/Traverse: infrequently bend, stand, stoop and/or walk
• Carry Weight: infrequently carry weight and/or lift objects (light to heavy) weighing up to 10 pounds
• Hearing andSpeech: frequently communicate with the ability to hear and talk on a regular basis with employees, coworkers, and all personnel matters; must be able to exchange accurate information in these situations
• Sight: frequent use of sight to detect images on computer, office documents, and office objects near and far
• Climb: occasionally ascends/descends on stairway to get to office upper and lower floors
• Travel: up to 25% as needed

EXAMPLES OF WORK ENVIRONMENT

• Regular professional, office business setting
• Noise level ranges from low to moderate (if in office setting)
• Noise level ranges from moderate to high (if on construction worksite)
• Under the Office Mobilization Plan (OMP) policy, the role may transition to an onsite or hybrid arrangement, as determined by business needs and the Head of Department

Hanwha Qcells is proud to be an at-will Equal Opportunity Employer and prohibits discrimination against race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, pregnancy, citizenship, disability, protected veteran status and any other classification protected by applicable federal, state or local law. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

It is important to note that the job descriptions provided by QcellsUSA Corp are not intended to be comprehensive lists of all duties, responsibilities, or qualifications associated with the positions. Duties and responsibilities may change at any time with or without notice, reflecting our dynamic and evolving work environment.

We are committed to the full inclusion of all qualified individuals. As part of this commitment, Hanwha Qcells will provide reasonable accommodations to all qualified individuals with disabilities to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment. Please contact us to request accommodation [e-mail].