Located in Buffalo, NY, we are a leading professional engineering firm in the Northeast – focusing on energy conservation consulting, carbon-neutral and net-zero designs, building commissioning/retro-commissioning, and related technical services.

C.J. Brown Energy accepts resumes from qualified individuals on an ongoing basis for the following positions:

Energy Engineer with knowledge of building systems, HVAC, lighting, renewable energy systems and building construction.

Responsible for conducting energy audits (ASHRAE Level 1, 2 and 3) and performing energy analysis involving a wide range of systems/equipment. Capabilities in performing on-site inspections and efficiency assessments; collecting and analyzing field data related to energy usage; preparing building descriptions, equipment inventories and operating schedules; identifying, evaluating and developing energy conservation measures including energy savings calculations; and report writing.

B.S. in Mechanical or Industrial Engineering is preferred; will consider an Associate’s Degree in Engineering Technology or a related field. Prior experience with building simulation/modeling software and/or testing equipment (blower door, combustion, thermal imaging and/or other measurement and testing equipment) is a plus. Professional certification (i.e. CEM, CEA, LEED, BPI, HERS Rater) or work toward obtaining certification is desirable.

Building Systems/Controls Specialist with relevant facility experience to join our commissioning/energy services project team.

Responsible for project development and all phases of commissioning work through design review, bidding, construction and warranty phases for educational, institutional, governmental and commercial projects, including high tech facilities. Demonstrated expertise in the design, operation and analysis/troubleshooting of mechanical/HVAC systems is required, together with knowledge of/background in controls, building automation systems, diagnostics, TAB and/or energy management. Strong client relations, teamwork and report writing skills are necessary. Familiar with LEED cx requirements and ASHRAE protocol. B.S. in Mechanical Engineering is preferred. NYS Registered Professional Engineer and LEED and commissioning accreditations are a plus.

Apply here.


Submit resume and cover letter to info@cjbrownenergy.com.

C.J. Brown Energy offers a competitive salary and benefits package including health insurance, Flex Plan, 401(k) Plan and profit sharing. 

C.J. Brown Energy is an Equal Opportunity Employer. We do not discriminate against employees or applicants for employment on any legally recognized basis including, but not limited to: race, age, color, religion, sex, marital status, national origin, physical or mental disability, or veteran status.

Current Opportunities

Controls Specialist/Energy Engineer

Job Responsibilities:

  • Review building and system plans, collect and analyze field data.
  • Perform on-site inspections and efficiency assessments of a wide range of building systems, equipment, and controls systems.
  • Evaluate existing control systems for issues, improved sequence of operations, and implementations to improve energy use.  
  • Troubleshoot existing DDC systems.
  • Use controls experience to assist with energy audits at various levels of detail.
  • Analyze measurement and verification data to determine the effectiveness of completed projects using DDC trend data.
  • Help identify, evaluate, and develop energy conservation measures.
  • Prepare building descriptions, equipment inventories and operating schedules.
  • Assemble reports that effectively communicate the energy analysis results and recommendations for cost-effective measures for energy improvements.
  • Coordinate project work/information with team members, clients, and vendors.


  • Associates or B.S. in Engineering or Engineering Technology
  • 3+ years of experience with installation, startup and commissioning of building automation systems, electronic controls, and HVAC equipment.
  • Ability to read and understand electrical schematics and mechanical plans
  • Ability to read and understand engineering specifications and HVAC sequences of operations.
  • Proven electro-mechanical aptitude (based on experience and/or education)
  • Proficient in Microsoft Office (word, excel, and outlook)
  • Good verbal and written communication skills