Senior Manager Estimation

COMPANY OVERVIEW

Hanwha Energy USA, headquartered in Houston, Texas, is part of the Hanwha Group—a FORTUNE Global 300 company and one of South Korea’s most respected business enterprises. With over a decade of experience delivering high-quality, utility-scale energy projects across North America, Hanwha Energy USA has evolved into a comprehensive energy solutions provider. Our portfolio now spans utility-scale renewables, natural gas generation, retail electricity, and strategic partnerships that power America’s growing data center industry.

Our expertise covers the entire energy value chain—from project development and engineering to construction, operations, and maintenance. By integrating advanced technologies, proven processes, and strong partnerships, we deliver reliable, customized solutions that meet the dynamic needs of local energy markets.

Hanwha Energy USA is actively advancing strategic initiatives in natural gas generation and data center development, including hyperscaler solutions on both sides of the meter. We are proud to serve as the parent company of:

• Hanwha Renewables – specializing in utility-scale solar and battery energy storage systems (BESS)
• Chariot Energy – providing retail electricity services for residential, commercial, and industrial customers in deregulated markets

POSITION OVERVIEW

The Senior Manager, Estimation for Hanwha Energy USA will lead cost estimation oversight across the nation for Utility-Scale Solar and BESS projects. This position reports to the Senior Director, Project Control, or another senior management personnel that the CEO of the Company may designate. The employee may be required to perform other job-related duties as requested by management. All duties will be assigned in accordance with applicable laws and company policies. This opportunity requires flexibility to support travel to multiple projects in various geographical regions, with an expectation to travel up to 30% of the year.

RESPONSIBILITIES

• This role requires both directly performing and managing external resources to perform the duties listed below in the US.
• Develop and progressively elaborate on capital expenditure estimates for project execution costs (engineering, procurement, and construction) for Solar and BESS projects under development through preconstruction. This includes the following:
• Upon initial project screening and evaluation, develop conceptual/parametric cost estimates based on engineering input, historical cost data, and current market trends
• As projects matures through key milestones, develop master project scopes of work and perform more detailed estimates of CapEx costs.
• Once scopes of work require services to execute the work, prepare solicitation packages, statements of work and specification packages for solicitation / negotiation by 3^rd parties (Contractors, Suppliers, EPC’s, Consultants, etc). Perform Contractor/EPC solicitation processes in collaboration with Procurement teams.
• Normalize, tender 3^rd party responses to solicitations against modeled estimates and master scopes of work. Provide recommendations to the Company on how to proceed with 3^rd party services, particularly EPC / Construction services.
• Support contract management, project management teams in negotiating 3^rd party contracts.
• Support Business Development team by executing estimating tasks noted above, as well as providing initial engineering/constructability reviews:
• Site evaluation,
• Review of project documents including site and environmental studies
• Identify mitigation to potential project risks to determine the feasibility of the project.
• Develop due diligence memos with recommendations on actions to reduce both technical and business risk
• Assist the Business Development team in preparing sales and offer documents to project sellers and other parties as required.
• Conduct site visits as necessary to perform constructability diligence on behalf of the engineering, project management and construction management teams.
• Develop and main