Building Energy Engineer - CapX

Joulea; Atlanta (GA); On-site; USD 80,000 - 100,000; Full time

Job summary

A progressive startup is seeking a Building Energy CapX Engineer in Atlanta, GA. This role involves bridging complex energy concepts with software solutions. Responsibilities include evaluating energy efficiency improvements, developing energy models, and analyzing operational data. Ideal candidates have a strong foundation in HVAC systems, experience with energy modeling platforms, and proficiency in Python. Join a state-of-the-art team dedicated to reducing energy consumption and enhancing building operations.

Qualifications

• Strong foundation in building energy systems and HVAC operation.
• Experience with building energy modeling platforms like EnergyPlus or OpenStudio.
• Proficiency in Python for data analysis and automation.

Responsibilities

• Identify and evaluate capital energy efficiency upgrades.
• Develop calibrated energy models to quantify baseline performance.
• Analyze BAS and utility time-series data for inefficiencies.

Skills

Building energy systems understanding

HVAC operation

Data analysis with Python

Thermodynamics

Energy modeling platforms experience

ASHRAE standards familiarity

Tools

EnergyPlus

OpenStudio

Job description

We are looking to add a BuildingEnergyCapXEngineerwho will bridge the gap between complex energy concepts and practical software solutions.

About Us

Jouleais a startup building a software platform that reduces energy consumption in commercial buildings. Buildings consume 40% of the total energy in the United States and emit over 10% more greenhouse gas emissions than the entire transportation sector combined - vehicles, trucks,aircraft,railand ships.A significant portionof commercial building budgets are spent and wasted on energy usage. We use the aerospace industry’s product lifecycle management principlesin order tocreate a novel approach to apply them to commercial real estate.Jouleaimplements holistic, integrated optimization methods that redefine energy efficiency and reduce operating costs within commercial buildings.

We are an ATDC portfolio company backed bywemarathonwith offices at ATDC in Midtown Atlanta.

We are hiring a Building EnergyCapXEngineer who can bridge building science and data science. This role focuses on using code and analytics to extract insights from building performance data and translate them into actionable energy and operational improvements.

Responsibilities include developing simulation and data pipelines, performing energy modeling and calibration, analyzing BAS and utility data, and supporting fault detection and diagnostics. The ideal candidate understands HVAC systems, energy use patterns, and statistical or machine-learning methods used in building analytics, with strongproficiencyin Python or similar programming languages.

Key Responsibilities

• Identifyand evaluate capital energy efficiency upgrades across single buildings and multi-building portfolios.
• Develop calibrated energy models to quantify baseline performance and forecast savings from retrofit and modernization projects.
• Analyze BAS and utility time-series data to detect systemic inefficiencies thatwarrantcapital intervention.
• Perform lifecycle cost analysis and financial modeling to assess project viability using metrics such as ROI, NPV, IRR, and payback period.
• Optimizecapital scopes within budget constraints, balancing performance impact, risk, and return across competing projects.
• Support portfolio-wide capital planning by benchmarking building performance and prioritizing upgrades based on energy intensity, operational risk, and asset strategy.
• Collaborate with engineering, finance, and softwareteamto translate technical findings into investment-grade capital proposals.

Requirements

• Strong foundationin building energy systems, HVAC operation, and thermodynamics, with the ability to interpret real-world building performance and operational behavior
• Experience withbuilding energy modeling platforms such asEnergyPlus,OpenStudioor similar tools.
• Proficiencyin Python (or comparable programming languages) for data analysis, automation, simulation integration, and portfolio analytics.
• Familiarity withASHRAE buildingstandards
• Experience developing capital cost estimates using cost databases, benchmarking tools, or market pricing, and evaluating upgrade scenarios under varying financial and operational constraints.
• Ability to assess risk, uncertainty, and sensitivity in projected energy savings and financial outcomes.