Senior Energy Engineer

Haag, a Salas O'Brien Company•Buffalo, NY

50d

About The Position

The Senior Energy Engineer is a technical and strategic leader within the Energy / Building Performance Engineering team. This role independently leads building energy modeling, performance analysis, and decarbonization strategies across complex project types, supporting both new construction and existing building optimization. Senior Energy Engineers guide clients toward high-performance, sustainable solutions while mentoring junior engineers, supporting integrated design teams, and advancing the firm’s technical excellence.

Requirements

Bachelor’s degree in Mechanical Engineering, Energy Engineering, Building Science, or related field
8+ years of experience in energy modeling, decarbonization planning, or building performance engineering
Proficiency with energy modeling platforms such as eQUEST, EnergyPlus, Cove.tool, IES-VE, or similar tools
Strong understanding of ASHRAE standards, building codes, and sustainability frameworks
Demonstrated experience leading projects and supporting client relationships
Excellent written and verbal communication skills with the ability to present complex concepts clearly

Nice To Haves

Professional certifications preferred, including PE, CEM, BEMP, LEED AP, WELL AP, or similar credentials

Responsibilities

Lead building energy modeling, audits, and technical studies for new construction and existing buildings
Develop and evaluate decarbonization, electrification, and energy efficiency strategies across diverse market sectors
Perform and review complex analytical work to ensure accuracy and alignment with project objectives
Serve as technical lead on energy-focused projects, providing guidance to clients and internal teams
Present findings and recommendations through reports, presentations, and project meetings
Support business development efforts by identifying opportunities and contributing to proposals and interviews
Collaborate with architectural, mechanical, electrical, and sustainability teams to deliver integrated, high-performance solutions
Ensure project deliverables meet quality standards, applicable codes, and client expectations
Conduct site investigations, energy audits, and field observations to validate system performance
Support commissioning, measurement, and verification activities
Mentor junior Energy Engineers through technical guidance, modeling support, and professional development feedback
Contribute to refinement of processes, tools, and best practices within the Energy Engineering group