Senior Retro-Commissioning (RCx) / Energy Auditor Building Energy Engineer

ISHE; Colorado; Hybrid; USD 172,000 - 241,000; Part time

Job summary

IMPACTenergy is seeking a Senior Retro-Commissioning (RCx) / Energy Auditor to perform on-site energy audits and building assessments for hospitality and commercial buildings in Colorado. The role is a 1099 Independent Contractor, approximately 10+ hours weekly, with remote work and periodic Colorado site visits.

You will evaluate HVAC and BAS systems, propose ECMs, develop engineering calculations, and prepare detailed reports for owners and contractors to implement energy improvements.

Qualifications

• Minimum 15 years of experience performing commercial energy audits, commissioning, or retro-commissioning.

Responsibilities

• Perform On-Site Energy Audits & Building Assessments (ASHRAE Level I-III; RCx site investigations).
• Evaluate HVAC, BAS, controls, lighting, and other building systems; identify ECMs and operational improvements.
• Travel to project sites primarily in Colorado approximately two times per year.

Skills

Energy audits

Retro-commissioning

Engineering calculations

Technical writing

Client communication

Education

Bachelor's Degree in Engineering

Professional Engineer (PE) license preferred

Tools

BAS

Direct Digital Controls (DDC)

Job description

Senior Retro-Commissioning (RCx) / Energy Auditor – Building Energy Engineer

Position Type: Part-Time (1099 Independent Contractor)
Location: Remote (Travel Required to Colorado)
Time Commitment: Approximately 10+ hours per week
Travel: Two-day site visit in Colorado approximately 2 times per year

This position is ideal for:

• A senior energy engineer with a full-time job looking to earn additional income by working approximately 10+ hours per week.
• A small engineering firm looking for a recurring client and long-term partnership.

About IMPACTenergy

IMPACTenergy is a leader in building energy optimization for the hospitality industry. We specialize in energy audits, retro-commissioning, building optimization, benchmarking, and implementation support for hotels and commercial buildings in Colorado. (impactenergyec.com)

The role is centered around three primary responsibilities:

1. Perform On-Site Energy Audits & Building Assessments

• Conduct ASHRAE Level I-III Energy Audits and Retro-Commissioning (RCx) site investigations.
• Evaluate HVAC systems, Building Automation Systems (BAS), controls, lighting, and other building systems.
• Identify Energy Conservation Measures (ECMs) and operational improvements.
• Travel to project sites (primarily Colorado) approximately two times per year.

2. Prepare Technical Energy Audit Reports

• Develop comprehensive engineering reports documenting findings and recommendations.
• Perform engineering calculations and energy savings analysis.
• Estimate implementation costs, utility savings, and financial payback.
• Proficient in developing detailed sequences of operation that can be handed directly to controls contractors for implementation.
• Create clear implementation plans that contractors and owners can execute.

3. Support Clients Through Implementation

• Participate in client meetings to explain audit findings and recommendations.
• Coordinate with owners, mechanical contractors, controls contractors, and vendors.
• Answer technical questions during implementation.
• Provide engineering support through completion of the recommended energy measures.

Required Qualifications:

Minimum 15 years of experience performing commercial energy audits, commissioning, or retro-commissioning.
Extensive experience with large commercial buildings (100,000+ SF).
Strong knowledge of:
HVAC systems
Building Automation Systems (BAS)
Direct Digital Controls (DDC)
Energy Conservation Measures (ECMs)
Experience developing engineering calculations and energy savings analyses.
Exceptional technical writing skills.
Strong communication and client presentation skills.
Bachelor's Degree in Engineering, or related field (required).
Professional Engineer (PE) license preferred but not required.
Highly organized and able to work independently.

Compensation & Logistics

Pay: $125-$175 per hour (DOE)
Employment Type: 1099 Independent Contractor
Remote Work: Approximately 90%
Travel: Approximately 10% (primarily Colorado)
Colorado-based candidates preferred but not required.