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Senior Energy Engineer

Energy Sciences
Philadelphia, PA Remote Full Time
POSTED ON 9/3/2026
AVAILABLE BEFORE 11/3/2026
A Career Opportunity Energized by Purpose

At Energy Sciences, we turn challenges into opportunities. By combining our deep expertise with operational knowledge, we develop customized, cost-effective strategies that improve efficiency, cut operating costs, and drive sustainability. From program design and management to assessments and decarbonization strategies, we partner with our clients to create solutions that improve energy efficiency, reducing operating costs while also benefiting the planet.​

This position has a home-based office in the Philadelphia Metropolitan area and requires the use of a personal vehicle with up to 25% local travel.

Day-to-Day

You will join a team dedicated to helping commercial and industrial customers reduce their energy use and optimize their system performance by providing technical expertise through energy efficiency programs, training initiatives, and direct-to-customer consulting services. Some of the day-to-day activities you would be involved with might include:

  • Identifying and quantifying energy efficiency opportunities.
  • Performing energy and economic analyses.
  • Reviewing energy assessments, opportunities, and calculations.
  • Collaborating with customers, assisting with technical questions, and developing projects.
  • Preparing reports and delivering presentations.
  • Conducting site surveys, system investigations, and facilities assessments.
  • Mentoring and providing technical guidance to team members, fostering knowledge-sharing and continuous learning.
  • Supporting customers with utility energy efficiency programs.
  • Traveling to customer sites as needed (up to 25% of the time).

About You

  • Collaborative, enterprising individual who likes to work in an open team environment.
  • Excited about challenging the status quo and offering creative ideas for growth.
  • Self-motivated and able to work with autonomy and independence.
  • Able to make quick and sound decisions.
  • Adaptable and comfortable managing multiple responsibilities.
  • Willing to take initiative.
  • Proactive, responsive, and attentive to client needs.
  • Excellent verbal and written communication skills.
  • Enjoy sharing expertise with a diverse team to encourage development and growth.
  • Believe in making a positive environmental impact.

More About Energy Sciences

At Energy Sciences, optimizing energy use to save money and maximize efficiency while benefitting the planet is our passion—we live it every day. We are a team of individuals that leverage one another’s varied backgrounds, experiences and expertise to deliver strategic, cost-effective solutions tailored to even the most unique challenges. We work together with intention, respect and integrity all while holding our ideas with an open hand to find new and better paths forward.

Throughout our work, we strive to help our clients achieve their goals while making a lasting positive impact within their organizations, and ultimately on the planet.

Additional Information

Energy Sciences is an equal opportunity employer, and all qualified applicants will receive employment consideration without regard to race, color, citizenship, religion, national origin, gender, gender expression, gender identity, sexual orientation, age, religion, physical or mental disability, marital status, veteran status, height, weight, genetic information, or status in any group protected by federal, state, or local law.

The pay range for this role is $93,300–$135,000 per year.

  • Bachelor’s degree in mechanical engineering or a closely related discipline
  • Minimum of four (4) years of professional experience with a focus on energy engineering, energy consulting, building system performance consulting, or energy-related systems and demonstrated experience performing complex engineering work, including: 
      • Conducting energy assessments, facility evaluations, and system investigations within commercial and industrial facilities.
      • Identifying, quantifying, and prioritizing energy efficiency, operational improvement, and decarbonization opportunities.
      • Demonstrated advanced knowledge of commercial and industrial building systems, including HVAC, lighting, pumps, chilled water, hot water, steam, compressed air, industrial processes, and building automation systems (BAS).
      • Performing comprehensive energy and economic analyses using utility data, trend data, weather normalization, regression analysis, engineering calculations, and other analytical methods.
      • Utilizing building management systems (BMS), BAS, field measurements, and operational data to diagnose performance issues and identify improvement opportunities.
      • Developing energy savings calculations, engineering models, and economic analyses to support project recommendations and implementation.
      • Applying commissioning, retro-commissioning, measurement and verification, and system optimization principles.
      • Conducting site investigations and technical evaluations and translating findings into actionable recommendations, collaborating directly with customers, facility staff, contractors, and stakeholders.
      • Preparing professional technical reports and presenting findings to clients and stakeholders.
      • Managing multiple projects simultaneously while exercising sound technical judgment and working with limited supervision.
      • Building effective relationships with customers, contractors, utility representatives, and internal project teams.
  • Knowledge of decarbonization strategies for buildings and industries.
  • Proficiency with Microsoft Office, including advanced Excel skills.
  • Preferred certifications: CEM, CEA, CMVP, EBCP, and PE.

Energy Sciences does not and will not provide immigration-related sponsorship for this role now or in the future. Applicants must be authorized to work in the United States without current or future employer sponsorship.

We offer an excellent full-time benefits package including DAY 1 benefits (medical, dental, vision, life, STD, LTD), a retirement plan with match, profit sharing, parental leave, 13 paid holidays, and 120 hours of paid time off starting in year 1.

Salary : $93,300 - $135,000

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