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Bess Engineer Jobs in Milwaukee, WI (NOW HIRING)

Engineering; Innovation / R&D; Project Development Remuneration: Exempt RWE Americas is looking for a strong candidate for our BESS Technology Optimization team as the Sr BESS Optimization Engineer I

Engineering; Innovation / R&D; Project Development Remuneration: Exempt RWE Americas is looking for a strong candidate for our BESS Technology Optimization team as the Sr BESS Optimization Engineer I

Senior Data Architect

Waukesha, WI

$67.25 - $90/hr

This role sits at the intersection of architecture, data engineering, and platform strategy-owning ... storage (BESS), and microgrid systems. * Own meaningful architecture at scale: This roleisn ...

... BESS, hydro, wind and solar. Subject matter expertise is less important than the ability to lead ... Ability to work in a team environment, and to coordinate the work of various engineering ...

Electrical CAD Designer

Milwaukee, WI · On-site +1

$83K - $105K/yr

... BESS, hydro, wind and solar. Subject matter expertise is less important than the ability to lead ... Ability to work in a team environment, and to coordinate the work of various engineering ...

HVAC Technician

Waukesha, WI · On-site

$30 - $38/hr

Pearce provides technical maintenance, repair, operations, and engineering services for uninterruptible power supply (UPS) systems, backup power generators, battery energy storage systems (BESS ...

Pearce provides technical maintenance, repair, operations, and engineering services for uninterruptible power supply (UPS) systems, backup power generators, battery energy storage systems (BESS ...

HVAC Technician

Racine, WI · On-site

$27 - $38/hr

Pearce provides technical maintenance, repair, operations, and engineering services for uninterruptible power supply (UPS) systems, backup power generators, battery energy storage systems (BESS ...

Pearce provides technical maintenance, repair, operations, and engineering services for uninterruptible power supply (UPS) systems, backup power generators, battery energy storage systems (BESS ...

HVAC Technician

Milwaukee, WI · On-site

$30 - $38/hr

Pearce provides technical maintenance, repair, operations, and engineering services for uninterruptible power supply (UPS) systems, backup power generators, battery energy storage systems (BESS ...

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Showing results 1-20

Bess Engineer information

See Milwaukee, WI salary details

$52.6K

$125K

$164.1K

How much do bess engineer jobs pay per year?

As of Aug 14, 2026, the average yearly pay for bess engineer in Milwaukee, WI is $125,008.00, according to ZipRecruiter salary data. Most workers in this role earn between $96,300.00 and $154,300.00 per year, depending on experience, location, and employer.

How does a BESS engineer typically collaborate with project managers and electricians during the deployment of battery energy storage systems?

A BESS Engineer frequently works closely with project managers to ensure that project timelines, budgets, and technical specifications are met throughout the deployment process. They coordinate with electricians and installation teams to oversee system integration, troubleshoot onsite issues, and verify that all electrical connections and safety standards are adhered to. Effective communication and problem-solving skills are essential, as the BESS Engineer often acts as a technical liaison between the design phase and hands-on implementation, ensuring smooth project execution.

What are the key skills and qualifications needed to thrive as a BESS engineer?

To thrive as a BESS Engineer, you need a solid background in electrical engineering, energy storage technologies, and system integration, often supported by an engineering degree and relevant experience. Familiarity with SCADA systems, battery management software, and certifications such as Professional Engineer (PE) or relevant safety credentials is typically required. Strong problem-solving skills, attention to detail, and effective communication are valuable soft skills for collaborating with multidisciplinary teams and stakeholders. These skills ensure the safe, efficient, and reliable design and operation of battery energy storage solutions in the rapidly evolving energy sector.

What is a BESS engineer?

A BESS Engineer is a professional who specializes in the design, implementation, and maintenance of Battery Energy Storage Systems (BESS). These engineers work on integrating battery storage solutions with renewable energy sources, such as solar or wind, to improve energy reliability and grid stability. Their responsibilities may include system modeling, project management, safety compliance, and performance optimization. BESS Engineers play a crucial role in advancing clean energy technologies and supporting the transition to sustainable power systems.

What is the difference between Bess Engineer vs Mechanical Engineer?

AspectBess EngineerMechanical Engineer
Required CredentialsBachelor's in Electrical, Electronics, or related fields; certifications in BESS systemsBachelor's in Mechanical Engineering; professional engineering license often preferred
Work EnvironmentRenewable energy projects, power plants, energy storage facilitiesManufacturing, automotive, aerospace, energy sectors
Industry UsageEnergy storage, renewable energy, power systemsMechanical design, manufacturing, HVAC, automotive

The main difference between a Bess Engineer and a Mechanical Engineer lies in their specialization. Bess Engineers focus on energy storage systems and renewable energy projects, requiring specific knowledge of battery energy storage technologies. Mechanical Engineers have a broader scope, working on mechanical systems across various industries. While both roles require engineering degrees, their work environments and industry applications differ significantly.

What are popular job titles related to Bess Engineer jobs in Milwaukee, WI?

For Bess Engineer jobs in Milwaukee, WI, the most frequently searched job titles are:

What job categories do people searching Bess Engineer jobs in Milwaukee, WI look for?

The top searched job categories for Bess Engineer jobs in Milwaukee, WI are:

Infographic showing various Bess Engineer job openings in Milwaukee, WI as of August 2026, with employment types broken down into 93% Full Time, 2% Part Time, and 5% Contract. Highlights an 79% Physical, 5% Hybrid, and 16% Remote job distribution, with an average salary of $125,008 per year, or $60.1 per hour.

Sr Engineer I, BESS Optimization

RWE

Milwaukee, WI • On-site

$140K - $150K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 22 days ago


Job description


RWE Americas, LLC
To start as soon as possible, full time, permanent
Functional area: Engineering; Innovation / R&D; Project Development
Remuneration: Exempt

RWE Americas is looking for a strong candidate for our BESS Technology Optimization team as the Sr BESS Optimization Engineer I. This position within the BESS Technology Optimization team will be responsible for managing technical solutions with a project development mindset and ensuring utility-scale energy storage projects are built with state-of-the-art technology and design features and can fulfill dispatch and use cases for evolving market conditions.

Role Responsibilities:  

  • Support and drive strategic planning that impacts product selection, technology roadmap, or project standardization
  • Contribute to the evaluation of emerging storage technologies with a focus on long-duration capability, cost reduction, reliability, and lifecycle performance
  • Participate in continuous improvement of standard project designs, driving optimization in cost, performance, constructability, and operational reliability
  • Coordinate priorities with Development, Procurement, and EPC to align engineering and business needs
  • Participate in enterprise forums and technical steering committees
  • Ability to identify, evaluate, and resolve complex problems with limited oversight
  • Provide technical due diligence support for storage suppliers or new equipment introductions
  • Influence system architecture standards and performance expectations across projects
  • Contribute to internal development of energy storage system designs, including cooling system architecture (air and liquid), controls strategy, and thermal performance modeling
  • Mentor junior engineers and establish best practices for product evaluation, testing, reporting, and safety compliance

Job Requirements and Experiences: 

  • Master's degree in engineering from an accredited college or university preferred
  • Bachelor's degree in engineering is required
  • A minimum of 7 years of proven experience with energy storage technologies, with an understanding of OEMs, products, and use cases
  • Proven product management and product development experience
  • Intellectually curious with a passion for exploring emerging energy storage technologies and challenging conventional approaches
  • Open-minded and receptive to diverse perspectives, data-driven decision-making, and continuous learning
  • Experience mentoring engineers and technical resources and ability to drive high performance and cultivate talent
  • Proven ability to empathize, build relationships, and effectively communicate with people from a diverse set of backgrounds

Work Environment:

This position is an office-based role with some travel and visits to other RWE Americas offices and field locations.  The employee must be able to sit, walk, or stand for long durations of time.

Applicants must be legally authorized to work in the United States. RWE Americas is unable to sponsor or take over sponsorship of employment visas at this time.

Pay range: The annual base salary range for this position in Illinois is $140,000 - $150,000. The listed salary range represents our good faith estimate for this position and represents the range for new hire salaries across all U.S locations. Please note that the salary information is a general guideline only. RWE considers factors such as (but not limited to) scope and responsibilities of the position, candidate's education & work experience, training & certifications, and key skills as well as market and business considerations at the time of the offer.
Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. Eligible employees also participate in short-term incentives, in addition to salary.
Apply with just a few clicks: ad code 92955
Any questions? Contact rwe_americas_recruiting@rwe.com
We look forward to meeting you. Of course, you can find us on LinkedIn, Instagram, Facebook, YouTube and Xing, too.
All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status.
RWE Americas, a subsidiary of RWE, is a US-based energy company that is helping to meet the growing demand for energy across the United States. Backed by RWE's 125-year global legacy of managing diverse power assets, RWE Americas operates approximately 13 GW of power projects across 27 states.With a talented workforce of 2,000 employees, RWE Americas develops, constructs and operateswind, solar and battery storage projects, along with natural gas-powered generation, that safely deliver affordable, reliable electricity to our customers. Committed to responsible development, RWE Americas invests in local and rural communities, creating jobs and partnering with stakeholders to support and strengthen the places where we live and work. This is complemented by RWE's energy trading business. RWE is also a major offtaker of American liquified natural gas (LNG). Learn more about how RWE Americas is generating impact at americas.rwe.com.

At RWE Americas, we foster a culture defined by our Essential Behaviors - Have Courage, Create Impact and Actively Collaborate. We encourage bold thinking and continuous learning, and we value ownership, resilience and inclusion in everything we do. When you join us, you become part of a team that supports your development, respects your contributions and celebrates shared success. This is a place where you can grow your career and make a meaningful difference.