Manager, Project Cost Estimating – Power Generation & Energy Infrastructure Location: Columbus, OH / Valparaiso, IN / Project Sites / Hybrid Job Type: Full-Time Job Summary At NiSource, we are committed to delivering safe, reliable, and sustainable energy to the communities we serve. We are seeking a Lead Project Estimator to support the development and execution of major capital power and energy infrastructure projects. This role plays a critical part in ensuring that cost estimates are accurate, transparent, and aligned with regulatory expectations, supporting sound investment decisions and long-term planning. The Senior Project Estimator partners across engineering, project development, supply chain, and construction teams to develop estimates that reflect technical scope, market conditions, and execution strategy. Projects may include: Combined Cycle Gas Turbine (CCGT) generation Simple cycle / peaking generation Battery Energy Storage Systems (BESS) Renewable energy (solar, wind) Transmission interconnections and substations Grid improvement technologies Key Responsibilities Cost Estimating & Analysis Lead development of Class 5 through Class 1 estimates in alignment with AACE principles Prepare total installed cost (TIC) estimates including EPC, owner’s costs, contingency, and escalation Perform quantity takeoffs from engineering drawings, specifications, and conceptual designs Develop detailed cost estimates for labor, materials, equipment, subcontractors, and indirect costs Clearly define estimate bases, assumptions, exclusions, and methodologies Prepare estimate packages that are suitable for governance reviews and investment decisions, including basis of estimate documentation, assumptions, exclusions, key risks, and confidence ranges Capital Planning & Regulatory Support Support capital planning, integrated resource planning (IRP), and long-term investment strategies Provide cost inputs to support regulatory filings, rate cases, and investment approvals Develop estimate ranges and confidence levels aligned to project stage and governance requirements Evaluate alternative project configurations and execution strategies to support least-cost, best-fit solutions Technical Integration & Project Development Translate engineering scope into cost drivers across major systems, including: Gas turbines, HRSGs, steam turbines, and balance of plant Electrical systems, substations, and grid interconnection Energy storage systems (BESS, inverters, controls) Participate in technology selection, site evaluations, and constructability reviews Support project development activities from early-stage screening through execution readiness Risk, Market Awareness & Benchmarking Perform cost validation, benchmarking, and estimate reconciliation Lead risk assessment and contingency development, incorporating uncertainty and market variability Monitor and incorporate: Labor availability and productivity trends Commodity pricing and escalation Equipment and supply chain constraints Maintain and enhance historical cost databases and estimating benchmarks Collaboration & Stakeholder Engagement Work closely with engineering, project management, supply chain, finance, and regulatory teams Present estimates, assumptions, and key cost drivers to leadership and governance teams Develop Independent Cost Estimates (ICEs) and support contractor bid evaluations and negotiations Support review of contractor change notices and validation of change orders for approval Interface with EPC contractors, vendors, and consulting partners Support estimate refinement through project development, contract award, and execution by validating commercial changes, reconciling contractor pricing, and informing forecast updates Continuous Improvement Strengthen estimating tools, processes, and data governance Promote consistency and best practices across the capital portfolio Mentor and support development of junior estimators and staff as necessary Required Qualifications Bachelor’s degree in Engineering, Construction Management, Finance, or related field (or equivalent experience) 10+ years of experience in cost estimating Minimum 5+ years supporting power generation, transmission, or energy infrastructure projects Proven ability to develop estimates for large-scale capital projects ($100M+) Strong understanding of: Engineering design development Construction practices and execution strategies Procurement and contracting approaches Proficiency with estimating tools such as: Aspen Capital Cost Estimator InEight Estimate Cleopatra, Sage, or similar Advanced Excel modeling Preferred Qualifications Experience within a regulated utility environment Experience estimating: CCGT or simple cycle generation Battery energy storage systems (BESS) Renewable energy and grid infrastructure Professional certifications such as AACE CCP, PMP, or equivalent Experience supporting IRP, rate cases, or regulatory filings Experience in EPC, EPCM, or owner’s project delivery models Key Competencies Commitment to safety and operational excellence Strong analytical and problem-solving skills Clear and effective communication with technical and non-technical stakeholders Ability to balance detail-oriented analysis with strategic decision-making Collaboration and stakeholder alignment Ability to manage multiple priorities in a dynamic environment Why Join NiSource Contribute to critical infrastructure investments that power and connect communities Support the transition to a more sustainable and resilient energy future Work on large, impactful capital projects across a diverse portfolio Collaborate with experienced professionals in a safety-first, values-driven organization Success in This Role In the first 12 months, you will: Establish consistent estimating practices across assigned projects Improve estimate accuracy, transparency, and confidence levels Support successful regulatory and investment approvals Build and enhance cost benchmarking tools and data Strengthen collaboration across development, engineering, and construction teams As a public utility, NiSource provides essential services to customers 24/7. Emergency needs can arise at various times throughout the year, including during storm season. Employees may be required to support emergency response efforts, which could include working outside normal hours or assisting with tasks outside of typical responsibilities. Work Authorization Candidates must be legally authorized to work in the United States and must not require employer sponsorship now or in the future. Workplace Connection We value a workplace where everyone feels respected, included, and able to do their best work. We encourage open dialogue, value different perspectives, and work collaboratively with employees, customers, and partners. We recognize and respect the unique experiences people bring, including different backgrounds, cultures, and viewpoints. We treat others with professionalism and care, and we each play a part in creating a positive work environment. Veteran Hiring & Inclusion NiSource is proud to support veterans, transitioning service members, and military spouses. We value the leadership, teamwork, and mission-focused experience the military community brings, and we are committed to providing an inclusive workplace with opportunities for professional growth and development. Equal Employment Opportunity NiSource is committed to providing equal employment opportunities in each of its companies to all employees and applicants for employment without regard to race, color, religion, national origin or ancestry, veteran status, disability, gender, age, marital status, sexual orientation, gender identity, sex (including pregnancy, lactation, childbirth or related medical conditions), genetic information, citizenship status, or any protected group status as defined by law. Each employee is expected to abide by this principle. By applying, you may also be considered for other roles that match your skills and experience. ADA Accommodations If you need a reasonable accommodation to participate in any stage of the hiring process or to perform the essential functions of the position, please contact OneHR at [email protected] or 1-888-640-3320 Safety Statement Safety is a core value at NiSource. Employees are expected to follow safety requirements, report hazards, and help maintain a safe environment for themselves and their coworkers. E-Verify NiSource participates in the U.S. Department of Homeland Security's E-Verify program. Please review the following notices regarding your rights and responsibilities under U.S. law. E-Verify Poster (English and Spanish) Right to Work Poster (English and Spanish) Salary Range*: $133,400.00 - $200,100.00 *The salary offered to a candidate is based on several factors including but not limited to the candidate’s skills, job-related knowledge, and relevant experience, as well as internal pay equity. Posting Start Date: 2026-09-14 Posting End Date (if applicable): Please note that the job posting will close on the day before the posting end date. At NiSource, you'll be part of the team serving nearly four million customers throughout the Midwest and Mid-Atlantic, who count on us to energize their homes and businesses. Whether speaking with customers by phone, analyzing financial data or installing new gas lines in a neighborhood, you’ll meet exciting challenges each day and make the most of your skills and talents. And you’ll be part of a company that was named by Forbes magazine as one of America’s Best Large Employers. We're looking for talent from all backgrounds. We invite candidates of all abilities to come as they are and do what they love. Through our years of successful growth, we’ve stayed true to our roots by making a difference in the lives of millions of our customers. If you’re interested in joining an inclusive, innovative company that fosters opportunity for growth, NiSource might be the place for you.

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