Demo

Mechanical Designer

Harley Ellis Devereaux
Addison, TX Full Time
POSTED ON 1/9/2026
AVAILABLE BEFORE 3/9/2026

Mechanical Designer

Our Mechanical Engineering team is looking to add a talented team member to our group of excellent designers. The Mechanical Designer builds upon foundational experience to deepen technical capabilities and take greater ownership of assigned design work.

About HED

We are a team that is full of ideas, experience, creativity, passionate opinions, insatiable curiosity, uncompromising integrity, commitment, and skill. Our culture is about aspiration, embracing change and challenges, listening to (and learning from) each other, encouraging continual learning, and inspiring collective growth. As an inclusive, integrated architecture and engineering practice, we value the diversity of perspectives, experiences, abilities, and expertise that advance both the work we do, and the world we share.

Position Summary
Operating with increasing autonomy, this role is focused on the development of design documentation, performing calculations, and coordination across disciplines. The Mechanical Designer contributes meaningfully to project execution and supports innovation through curiosity and collaboration within the team. This individual is engaged in developing a deeper understanding of building systems and design tools, and begins taking responsibility for portions of design packages with guidance from project engineers.

Essential Functions:

  • Produce the mechanical sheet list for projects, determine project sheet requirements and complete the project set up in Revit.
  • Participate in the completion of the BIM Project Execution Plan.
  • Participate in construction administration activities such as mechanical submittal reviews and develop mechanical RFI responses with supervision from lead engineer.
  • Collaborate with the project engineers on the required mechanical system components, coordinate with all impacted disciplines.
  • Primarily working in Revit, modeling components and systems – for HVAC, plumbing and/or fire protection - based on code and client requirements, as well as engineering guidance.
  • Produce redline markups to delegate tasks (such as ductwork and piping layouts) to other team members.
  • Participate in mentorship relationships with all levels of mechanical engineers to understand and teach the “how” and “why” of mechanical engineering for the built environment.
  • Edit Division 21, 22, 23 specifications for project requirements alongside the project engineers.
  • Complete mechanical equipment sizing and energy code compliance calculations alongside the project engineers.
  • Develop familiarity with code compliance and engineering best practices.
  • Check your work for graphical and technical issues to resolve prior to deliverable issuance.
  • Collaborate in the QAQC effort per HED’s Design Process
  • Attend client and project team meetings alongside the project lead to review and coordinate project mechanical requirements.
  • Participate in coordination meetings and lead follow-up efforts to resolve action items.
  • Work with sub-contracted firm(s) to delegate workload
  • Work in different sectors to gain experience as a mechanical generalist
  • Engage in staffing process and estimate hours required to complete mechanical tasks
  • Manage assigned project hours for self-performed and delegated work.

Requirements

  • Bachelor's degree in Mechanical Engineering, or equivalent, required.
  • 2 years of experience in the AEC industry preferred.
  • Written and verbal communication skills commensurate with the position required.
  • Strong organizational skills preferred.
  • Revit experience required.
  • Experience with computers, specifically for word processing, spreadsheet use/creation and email required.
  • Detail-oriented, self-motivated, enthusiastic, flexible and curious personalities required.
  • Ability to work well with others under deadline situations required.

Physical Requirements

  • Prolonged periods of sitting at a desk and working on a computer.
  • Must be able to effectively communicate in writing and verbally via phone, video conferencing, and in-person.
  • Visual acuity to perform responsibilities.


Work Environment

  • We embrace a hybrid model that promotes both autonomy and collaboration, including the freedom to work from home, with regular in-office days to connect with teammates and build culture.
  • The office is a professional, open-space environment for collaborative and independent work.


Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

Salary.com Estimation for Mechanical Designer in Addison, TX
$92,409 to $115,812
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Mechanical Designer?

Sign up to receive alerts about other jobs on the Mechanical Designer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$59,820 - $81,544
Income Estimation: 
$70,327 - $95,051
Income Estimation: 
$119,658 - $160,028
Income Estimation: 
$146,431 - $190,825
Income Estimation: 
$155,182 - $196,797
Income Estimation: 
$75,805 - $90,068
Income Estimation: 
$85,954 - $106,408
Income Estimation: 
$91,017 - $111,627
Income Estimation: 
$85,954 - $106,408
Income Estimation: 
$106,299 - $135,354
Income Estimation: 
$108,186 - $133,193
Income Estimation: 
$134,236 - $174,128
Income Estimation: 
$155,404 - $198,448
Income Estimation: 
$158,725 - $194,124

Sign up to receive alerts about other jobs with skills like those required for the Mechanical Designer.

Click the checkbox next to the jobs that you are interested in.

  • Brand Management Skill

    • Income Estimation: $60,568 - $79,988
    • Income Estimation: $66,102 - $83,695
  • Branding Skill

    • Income Estimation: $58,961 - $76,665
    • Income Estimation: $65,700 - $87,740
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Harley Ellis Devereaux

  • Harley Ellis Devereaux Royal, MI
  • Electrical Designer - Healthcare Our Electrical Engineering team is looking to add an experienced team member to our group of talented engineers. The perso... more
  • 16 Days Ago

  • Harley Ellis Devereaux San Francisco, CA
  • Mechanical Engineer - Mission CriticalOur Mechanical Engineering team is looking to add an experienced team member to our group of talented engineers. The ... more
  • 4 Days Ago

  • Harley Ellis Devereaux Chicago, IL
  • ABOUT HED:We are a team that is full of ideas, experience, creativity, passionate opinions, insatiable curiosity, uncompromising integrity, commitment, and... more
  • 5 Days Ago

  • Harley Ellis Devereaux Los Angeles, CA
  • About HED: We are a team that is full of ideas, experience, creativity, passionate opinions, insatiable curiosity, uncompromising integrity, commitment, an... more
  • 5 Days Ago


Not the job you're looking for? Here are some other Mechanical Designer jobs in the Addison, TX area that may be a better fit.

  • Lensa Irving, TX
  • Lensa is a career site that helps job seekers find great jobs in the US. We are not a staffing firm or agency. Lensa does not hire directly for these jobs,... more
  • 18 Days Ago

  • Placement By Design, Inc. Irving, TX
  • We are seeking an experienced Mechanical Designer for a Project Coordinator role to focus on production of construction drawings (using Autocad) to support... more
  • 28 Days Ago

AI Assistant is available now!

Feel free to start your new journey!