Mechanical Engineer - Plumbing

Harley-Ellis-Devereaux; Royal Oak (MI); Hybrid; USD 112,000 - 138,000; Full time

Job summary

Harley-Ellis-Devereaux is seeking a Mechanical Engineer - Plumbing to join our Addison, TX team in a hybrid role. You will own mechanical design tasks from concept to construction, perform load calculations, and develop system layouts in Revit, collaborating with architects and other engineers.

The role emphasizes technical contributions, mentorship of junior designers, and active involvement in project meetings while supporting QAQC and documentation.

Qualifications

• 5+ years in the AEC industry preferred.
• Written and verbal communication skills aligned with the role.
• Ability to work with others under deadlines.

Responsibilities

• Lead design development and calculations for mechanical systems across schematic, design development, and construction document phases.
• Independently perform mechanical design tasks including load calculations, equipment sizing, controls sequences, and code checks.
• Prepare technical documentation for mechanical systems and equipment schedules.
• Develop and review mechanical system layouts in Revit (HVAC, plumbing, fire protection).
• Coordinate with internal/external teams to resolve design conflicts and progress the project.
• Review RFIs and submittals; assist with field verification and construction observation.
• Participate in design strategy discussions and mentor junior staff.
• Support QAQC and peer reviews for drafting accuracy and code compliance.
• Contribute to project meetings and documentation such as agendas and minutes.
• Track hours and assist in scope/resource planning.

Skills

AEC industry experience

Strong communication

Team collaboration

Education

Bachelor’s degree in mechanical engineering

P.E. licensure

Tools

Revit

Job description

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Mechanical Engineer - Plumbing

Regular Full Time P3 Addison, TX, US

9 days ago Requisition ID: 1723

Salary Range: $112,000.00 To $138,000.00 Annually

Mechanical Engineer - Plumbing

Our Mechanical Engineering team is looking to add an experienced team member to our group of talented engineers. The Mechanical Engineer builds on foundational experience to take independent ownership of portions of project design, documentation, and coordination.

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

This role is trusted to perform mechanical engineering tasks with minimal supervision and supports project delivery from concept through construction. The Mechanical Engineer serves as a technical contributor and emerging mentor, contributing to calculations, code research, QAQC, and coordination across disciplines. Individuals in this role are expected to deepen their technical knowledge, begin supporting client interaction, and develop the critical thinking required for future engineering leadership roles.

Essential Functions

• Lead design development and calculations for assigned mechanical systems across schematic, design development, and construction document phases.
• Independently perform mechanical design tasks – such as load calculations, equipment sizing, controls sequences and diagrams, and code compliance checks - with minimal input.
• Prepare technical documentation for mechanical systems, including system descriptions and narratives, Division 21, 22 & 23 specifications, equipment schedules, and redline markups.
• Develop and review mechanical system layouts in Revit - include HVAC, plumbing and/or fire protection - in coordination with architectural and structural backgrounds.
• Coordinate mechanical design with internal disciplines and external consultants to resolve design conflicts and progress design.
• Review and respond to mechanical RFIs and submittals with support from engineers
• Perform field verification for mechanical conditions, assist with punch walks, and participate in mechanical construction observation visits.
• Participate in early-phase design strategy discussions and support mechanical discipline leads with technical insight.
• Engage in internal QAQC processes and perform peer reviews of mechanical drawings and documentation for code compliance and drafting consistency.
• Begin mentoring mechanical designers and interns in software use, modeling best practices, documentation standards, and calculation basics.
• Participate in internal and external project meetings, and support the preparation of agendas, meeting minutes, and follow-up documentation with a focus on mechanical scope.
• Track and manage hours on assigned work and assist in project planning discussions regarding scope and resource allocation.

Requirements

• Bachelor’s degree in mechanical engineering, or equivalent, required.
• P.E. licensure required.
• 5+ years in the AEC Industry preferred.
• An understanding of the financial status of projects as they progress, development of cost budgets for projects, value of client relationships and be able to deliver projects with a focus on the quality is preferred.
• Written and verbal communication skills commensurate with the position required.
• Strong organizational skills 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.
• 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.