Senior Energy Efficiency Engineer & Proposal Lead

Liberty Personnel Services, Inc.; Chicago (IL); On-site; USD 120,000 - 180,000; Full time

Job summary

Liberty Personnel Services, Inc. is seeking an experienced Lead Energy Engineer to support energy efficiency projects for commercial and industrial clients.

The role focuses on energy savings analysis, project economics, and technical proposal development, working directly with sales teams and customers to evaluate opportunities and deliver technically and financially viable solutions. You will perform energy savings calculations, review M&V plans, and coordinate with engineering partners.

Qualifications

• 10+ years of relevant experience, including 5+ years in energy engineering, energy efficiency analysis, or project development
• Strong experience with energy savings calculations, M&V, and energy audits
• Background in Energy Savings Performance Contracting (ESPC), ESCOs, or utility energy efficiency programs highly desirable
• Strong understanding of commercial and industrial HVAC and mechanical systems
• Experience developing technical proposals and presenting engineering solutions directly to customers
• Knowledge of ASHRAE standards, energy modeling, and project financial analysis
• Bachelor's degree in Engineering, Construction Management, or related field
• PE or CEM certification strongly preferred
• Experience with Energy-as-a-Service, performance contracting, lighting, solar, storage, or building controls is a plus.

Responsibilities

• Perform energy savings calculations, feasibility studies, and financial analyses
• Develop and review Measurement & Verification (M&V) plans and methodologies
• Evaluate energy audits and identify energy conservation measures (ECMs)
• Develop solutions involving HVAC, chillers, boilers, central plants, compressed air, and industrial equipment
• Support business development through technical presentations, customer meetings, and site assessments
• Prepare technical proposals, project scopes, savings estimates, and supporting documentation
• Evaluate project economics and support opportunities through contract signing
• Coordinate with engineering partners to validate proposed solutions and calculations

Skills

Energy savings calculations

M&V plans

Energy audits

HVAC systems knowledge

Project economics

Technical proposal development

Customer presentations

ASHRAE standards knowledge

Energy modeling

ESPC/ESCO familiarity

Education

Bachelor's degree in Engineering/Construction Management/related field

Job description

Liberty Personnel Services, Inc. is seeking an experienced Lead Energy Engineer to support energy efficiency projects for commercial and industrial clients.

The role focuses on energy savings analysis, project economics, and technical proposal development, working directly with sales teams and customers to evaluate opportunities and deliver technically and financially viable solutions. You will perform energy savings calculations, review M&V plans, and coordinate with engineering partners.