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Base pay range $100,000.00/yr - $140,000.00/yr

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Recruiting Coordinator @ iWorld Professionals | MBA, CRM Senior Mechanical Engineer – Energy & Sustainability Multiple positions!

iWorld Professionals is seeking Senior Mechanical Engineers to lead sustainability and energy optimization initiatives for a large, multi-site client in the Boston area. This position plays a critical role in evaluating, modernizing, and transforming building systems to reduce energy consumption, carbon emissions, and utility costs—while helping shape a long-term sustainability master plan.

Senior Mechanical Engineer Position Overview The Senior Mechanical Engineer will partner closely with internal teams and client facility personnel to assess current infrastructure, define improvement strategies, and oversee the implementation of energy conservation measures. This role requires technical expertise in HVAC systems, energy audits, MEP engineering, and decarbonization planning—along with strong communication skills to present findings and gain alignment with stakeholders.

Senior Mechanical Engineer Responsibilities

Benchmark energy use and emissions across existing facilities and identify opportunities for improvement.

Conduct comprehensive site audits to assess mechanical systems, central plants, and controls.

Review drawings and facility documentation; gather key input from onsite operations teams.

Use energy modeling tools and custom spreadsheets to estimate savings and validate assumptions.

Assist in conceptualizing a 10-year sustainability and electrification roadmap for facilities.

Develop technical reports summarizing findings, recommendations, and business case justifications.

Complete utility-funded Technical Assistance studies to support energy incentive applications.

Produce construction-level documents (drawings/specs) for mechanical upgrades and retrofits.

Monitor progress against sustainability targets and assist with tracking/reporting metrics.

Perform peer reviews of renovation/new construction plans for alignment with sustainability standards.

Collaborate across technical and facility teams to maintain a productive working relationship.

Senior Mechanical Engineer

Bachelor’s Degree in Mechanical Engineering (required)

10+ years of mechanical engineering experience with commercial or institutional buildings

Professional Engineer (PE) license preferred

Strong background in HVAC design, retro-commissioning, and energy modeling

Proficiency in Microsoft Office, AutoCAD; familiarity with energy analysis software

Effective communicator and presenter—able to interact with technical and non-technical audiences

Highly organized, self-directed, and adaptable to changing project priorities

Willingness to travel locally as needed to support client site assessments

Ability to work well in a remote or hybrid environment with minimal oversight

Salary based on experience $100,000 - $140,000 plus bonus. If you are interested in working for a firm where you can make a measurable impact on the built environment, work on meaningful sustainability initiatives, and help redefine how buildings operate for the future, apply today to iWorld Professionals for immediate confidential consideration.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function Mechanical Engineering

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