Pre-NTP Mechanical Engineer

AES Corporation; Indianapolis (IN); On-site; USD 90,000 - 130,000; Full time

Job summary

AES Indiana, part of AES Corporation, is developing major generation projects to meet rising data center demand. The Pre‑NTP Mechanical Engineer will drive mechanical design development, guide equipment reviews, and help draft EPC contracts with a team of engineers and consultants.

This role offers growth toward project engineering management and requires strong communication, scheduling, and industry-standard electrical knowledge.

Qualifications

• BS or equivalent degree in mechanical engineering or other relevant technical area.
• 5–10 years of experience in technical design for large energy projects.
• Ideally includes construction and commissioning experience for conventional generation projects.
• Experience reading project schedules and understanding schedule principles.

Responsibilities

• Provide safety leadership across all project phases and teams.
• Develop and review mechanical designs for CCGT projects and related systems.
• Collaborate with Owner’s Engineers and SMEs on technical specifications and EPC contracts.

Skills

Safety Leadership

Communication skills

Electrical Codes & Standards

Project Scheduling

Education

BS in Mechanical Engineering

Job description

About AES

Are you ready to be part of a company that’s not just talking about the future, but actively shaping it? Join The AES Corporation, the largest US-based global power company with a team of 8,300 employees across 12 countries.

AES has been ranked #1 by BloombergNEF in renewable energy sales to corporations in the US and Americas for five consecutive years, providing electricity for millions of people worldwide.

We are proud to foster a strong workplace culture, earning prominent positions in Great Place to Work rankings across the markets where we operate.

AES was also named one of the World’s Most Ethical Companies for the 13th consecutive year in 2026, highlighting our dedication to integrity, transparency, and responsible business practices.

Our spirit of innovation continues to earn industry recognition. AES is the only seven-time winner of the Edison Electric Institute’s Edison Awards in the twenty-first century, a distinction honoring global leadership in advancing the electric power industry.

If you’re ready to be part of a company that’s not just adapting to change, but driving it, AES is the place for you. We’re not just building a more sustainable future, we’re powering it.

Project Overview

AES Indiana is in the process of developing and building several generation projects to meet increasing demand driven by data center growth in the service area of AES Indiana. The immediate focus will be the technical development of at least one CCGT power plant of approximately 650 MW with a second CCGT a strong possibility. There will be several other generation projects that will also be developed to bridge the growth of demand until the first CCGT comes online in 2033/2034.

The Pre‑NTP Mechanical Engineer will be responsible for managing the development of the mechanical design of the projects. The duties will include working within Generation Development Team for the development of the Technical Specifications full development of the EPC Contracts for the projects while employing the technical expertise of Owner’s Engineers and other consultants. These development responsibilities will span from initial Feasibility Studies and technology selection to development and signature of the EPC Contracts.

This role could develop into an mechanical engineering or Project Engineering Manager role for the execution of the projects as well.

Responsibilities

• Provide Safety Leadership in all aspects of the Project.
• Be responsible for the development of the mechanical design for the projects including:
  • a. the review and selection of major equipment (gas turbines, steam turbines, rotating equipment)
  • b. the review of process flow diagrams and piping design
  • c. review of all mechanical interfaces for the projects (e.g. gas interconnection requirements, water interconnection requirements)
  • d. review of all steam, water, and chemical storage and delivery systems within the projects
  • e. review of all internal water treatment and disposal systems
  • f. review the overall performance of the projects and compliance with AES Indiana commercial expectations
• Develop, review and collaborate with Owner’s Engineers and other SMEs on the mechanical design details in the Technical Specifications Review of the mechanical design for operational consistency and standards within AES Indiana.

Studies and Experience

• BS or equivalent degree in mechanical engineering or other relevant technical area required.
• 5 to 10 years experience in technical design (with operational experience is preferred) including the design of large CCGT and other generation projects.
• Ideal candidate has construction and commissioning experience for conventional generation (fossil fuel) projects.
• Experience in reading and understanding project schedules and project schedule principles.
• Minimum of 5 years’ electrical design and/or construction experience.
• Demonstrate exceptional written and oral communication skills.
• Proficiency in applicable electrical codes and standards for large power generation projects.

E‑Verify Notice: AES will provide the Social Security Administration (SSA) and if necessary, the Department of Homeland Security (DHS) with information from each new employee’s I‑9 to confirm work authorization.

Accelerating the future of energy, together Our people are our energy and have transformed AES into the type of energy company that the world needs today and in the future. Coming from all walks of life, our people share a passion for improving lives by advancing the energy sector through innovation, collaboration and action.

We are working in an industry that requires new thinking and ways of working together to create solutions that are both economically and environmentally viable, not just one or the other.

We are looking for passionate people to join us in our mission to accelerate the future of energy.

AES is an Equal Opportunity Employer who is committed to building strength and delivering long‑term sustainability through diversity and inclusion. Respecting all backgrounds, differences and perspectives enables us to improve the lives of our people, customers, suppliers, contractors, and the communities in which we live and work. All qualified applicants will receive consideration for employment without regard to sex, sexual orientation, gender, gender identity and/or expression, race, national origin, ethnicity, age, religion, marital status, physical or mental disability, pregnancy, childbirth or related medical condition, military or veteran status, or any other characteristic protected under applicable law.