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Posted Apr 15, 2026

Junior Residential Mechanical Designer

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PEG, LLC is a consulting firm specializing in energy efficiency and management, focusing on residential and commercial sectors. They are seeking a Junior Residential Mechanical Designer to perform HVAC load calculations and design residential systems while providing support to the analysis team and ensuring compliance with industry standards. Responsibilities - Perform and review HVAC load calculations, duct sizing, and system sizing per ACCA Standards - Provide support to analysis team - Communicate any auditing areas to Management and provide options for resolution - Organize scope into major categories to outline deliverables and milestones - Determine primary timetable for deliverables - Modify critical paths based on prevailing conditions - Develop workarounds to overcome obstacles in the critical path - Integrate, review, and validate critical relationships with primary parties - Receive and understand client constraints - Able to modify and adjust to software – Manual J Software, AutoCAD, Wrightsoft-Wrightdraw, RESCheck, REMrate - Manage and control all data through Excel and SharePoint - Interface with Operations, Owners, and Subcontractors to discuss impact of work and resolution of problems - Understand current IECC and state codes for Residential Design Skills - Entry-level experience - BS Degree in Mechanical Engineering or relevant field is required with a GPA of 3.0 or above - Relevant coursework includes but is not limited to the following: Thermodynamics, Fluids, HVAC, Material Science, and Circuits - Advanced Proficiency in Excel/SharePoint - Strong Attention to Detail - Deadline-Oriented - Efficient Time Management Skills - Effective Interpersonal Skills - Excellent Verbal/Written Communication Skills - Ability to read/write/comprehend technical instructions - EIT is NOT required but salary incentive will be offered to those who obtain it - AutoCAD or REVIT experience during college is a PLUS Benefits - 20 Annual Paid Days Off (12 Days of PTO, Birthday PTO, & 7 Company Paid Holidays) - Company Sponsored Medical Insurance that includes a contribution of up to 50% off the monthly premium - Dental & Vision Insurance - 401(k) Retirement Plan with up to a 4% company match vested immediately - Basic Life & Supplemental Life - Short-Term & Long-Term Disability - Accident & Pet Insurance - Corporate Sponsored Events - Paid Professional Development & Salary Incentives through Learning/Certification Opportunities Company Overview - Our Culture: PEG promotes a company culture that understands the importance of a “team first” mentality. It was founded in 1998, and is headquartered in Fairfax, VA, US, with a workforce of 51-200 employees. Its website is http://www.pegenv.com/careers.
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