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Junior Residential Mechanical Designer

VetJobs, Fairfax, VA, United States


PEG, LLC is a diverse energy efficiency, engineering, environmental and management consulting firm operating primarily in the Eastern and Central United States.

Job Description PEG, LLC is proud to partner with many of the nation’s leading homebuilders in delivering construction compliance services. As a leader in Home Energy Ratings, a winner of multiple Energy Star Awards, and a standout in the construction industry, PEG has provided Home Energy Ratings for over 250,000 homes. Our mission is to deliver innovative, data‑driven solutions that support high-performance buildings, sustainable development, and client success across residential and commercial sectors. We strive to continually improve building energy efficiency and therefore, the quality of homes and life in the communities that we service.

Who Are You? Junior Residential Mechanical Designers at PEG will have the opportunity to perform load calculations and design residential HVAC systems using the industry’s leading modeling software. PEG specializes in green building and design which we incorporate in each project. This is an entry-level position that focuses on furthering professional career development through training and certifications. We are looking for someone self‑motivated, detail‑oriented, and hardworking to add to our dynamic team.

Job Location This position is based in our main office in Fairfax, VA with the option of a hybrid remote/office work schedule after the completion of the employee’s 90‑Day Performance Review.

Essential Functions

Training will be needed in the following areas to become a Residential Mechanical Designer:

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

Education and Experience

BS Degree in Mechanical Engineering or relevant field is required with a GPA of 3.0 or above.

Relevant coursework includes Thermodynamics, Fluids, HVAC, Material Science, and Circuits.

EIT is NOT required but a salary incentive will be offered to those who obtain it.

AutoCAD or REVIT experience during college is a PLUS.

Additional Requirements

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

Rewards and Benefits PEG, LLC offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.

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

Equal Employment Opportunity PEG, LLC is an Equal Employment Opportunity Employer.

PEG, LLC uses E-Verify to confirm the identity and employment eligibility of all new hires.

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