Mechanical Design Engineer

Quanta Services; Dallas (TX); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

401(k) plan with company match

Medical, dental, and vision coverage

Paid holidays, vacation, and personal/

Structured mentorship and training

Performance-based bonus opportunity

Job summary

Quanta Services is seeking a Mechanical Design Engineer to support HVAC, plumbing and piping design under senior engineers at our Dallas area offices. You will build foundational skills in system design, calculations and construction documentation on new construction and renovations.

The role emphasizes learning DSI design standards, performing basic heating/cooling load calculations, equipment sizing, and coordinating with field teams.

Qualifications

• Bachelor's degree in Mechanical Engineering or related field.
• 0–4 years of experience in mechanical/HVAC design (EIT candidates encouraged to apply).
• Basic understanding of HVAC, plumbing, and/or plumbing design principles.
• Ability to read and interpret mechanical and plumbing construction documents with guidance.
• Good verbal and written communication skills.
• Working proficiency with CAD/BIM tools and Microsoft Office.

Responsibilities

• Assist with conceptual and detailed design tasks for assigned projects under senior engineer direction.
• Support project design coordination meetings and help prepare meeting follow-up items.
• Prepare preliminary design layouts and redlines to support estimating, under senior review.
• Perform standard engineering calculations (heating/cooling loads, equipment sizing, friction loss, basic hydraulics) with senior oversight.
• Support site visits and field inspections to help verify compliance with construction documents.
• Assist with construction document production and coordination for small to mid-size projects.
• Learn and apply DSI design standards, calculation methods, and QA/QC processes.

Skills

CAD/BIM tools

Microsoft Office

Reading construction documents

Communication skills

Education

Bachelor's degree in Mechanical Engineering

Tools

AutoCAD

Revit MEP

BIM software

Job description

About Us

QISG leverages Quanta’s comprehensive resources to deliver collaborative solutions for our partners' energy infrastructure needs. We use in-house talent, expertise and resources to plan, design, engineer, manage, conduct maintenance on and construct projects.

Our turnkey service capabilities provide our customers with efficiency, consistency, attention to detail and safe execution. The QISG team brings together Engineering, Safety, Quality, Material Procurement, QA/QC, Right-of-Way Acquisition, Scheduling, Environmental Planning, Permitting, Title and Land Management expertise that ensure outstanding results for our clients.

About this Role

DSI, Dynamic System a Quanta company is looking for a Mechanical Design Engineer to support the design and engineering of HVAC, plumbing, and piping under the guidance of senior engineers. Builds foundational skills in system design, calculations, and construction documentation while contributing to active project work across new construction and renovation projects.

What You’ll Do

• Assist with conceptual and detailed design tasks for assigned projects under senior engineer direction
• Support project design coordination meetings and help prepare meeting follow-up items
• Prepare preliminary design layouts and redlines to support estimating, under senior review
• Perform standard engineering calculations (heating/cooling loads, equipment sizing, friction loss, basic hydraulics) with senior oversight
• Support site visits and field inspections to help verify compliance with construction documents
• Assist with construction document production and coordination for small to mid-size projects
• Learn and apply DSI design standards, calculation methods, and QA/QC processes

What You’ll Bring

• Bachelor's degree in Mechanical Engineering or related field
• 0–4 years of experience in mechanical/HVAC design (EIT candidates encouraged to apply)
• Basic understanding of HVAC, plumbing, and/or plumbing design principles
• Ability to read and interpret mechanical and plumbing construction documents with guidance
• Good verbal and written communication skills
• Working proficiency with CAD/BIM tools and Microsoft Office (including Excel)

Preferred Qualifications:

• EIT certification
• Internship or co-op experience in mechanical contracting, MEP design, or consulting engineering
• Exposure to Revit MEP or similar BIM software

What You’ll Get

• Competitive base salary commensurate with experience
• 401(k) plan with company match
• Comprehensive medical, dental, and vision coverage
• Paid holidays, vacation, and personal time
• Structured mentorship and training toward PE licensure
• Performance-based bonus opportunity

Equal Opportunity Employer

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, national origin or ancestry, sex (including gender, pregnancy, sexual orientation, and/or gender identity), age, disability, genetic information, veteran status, and/or any other basis protected by applicable federal, state or local law.We are an Equal Opportunity Employer, including disability and protected veteran status. We prohibit all types of discrimination and are committed to providing access and equal opportunity for individuals with disabilities. For additional information or if reasonable accommodation is needed to participate in the job application, interview, or hiring processes or to perform the essential functions of a position, please contact us the Company’s Human Resources department.