Mechanical Design Engineer II (Senior)

  • Dynamic Systems, Inc.
  • Austin, Texas
  • 08/13/2026
Full time

Job Description

About the Company

Dynamic Systems (DSI), LLC is a leading engineering, fabrication, construction, and specialty systems provider serving high-tech manufacturing, semiconductor, mission critical, life sciences, industrial, and advanced technology clients throughout the United States. DSI delivers turnkey solutions including process piping, specialty gas systems, ultra-high-purity systems, mechanical/HVAC, process, construction, modular fabrication, utility infrastructure, and facility support services.

As part of the Quanta Services family of companies, DSI combines the agility and technical expertise of a specialized engineering organization with the resources, stability, and nationwide reach of one of North America's premier infrastructure companies.

DSI is currently expanding its corporate engineering capabilities and building a world-class engineering organization to support continued growth across multiple business units. This is an opportunity to join a growing team, help establish engineering standards, develop innovative technical solutions, and contribute to projects that have a direct impact on some of the world's most advanced manufacturing and technology facilities.

Position Summary

Leads the design and engineering of HVAC plumbing, and piping systems across new construction, design-build, and renovation projects. Acts as the senior technical resource on assigned projects, guiding design decisions from concept through construction administration, fabrication, and commissioning. Mentors less experienced engineers on the team.

Key Responsibilities

Develop conceptual and detailed system designs for assigned projects, from early concept through final construction documents

Represent engineering at project design coordination meetings as the senior technical lead

Produce advanced preliminary design layouts and redlines to support estimating and proposal efforts

Perform advanced engineering calculations, including heating/cooling load analysis, equipment sizing and selection, friction loss, and hydraulic calculations

Coordinate with fabrication shop ("design for fabrication") to incorporate modular concepts into the design

Conduct site visits and field inspections to verify compliance with construction documents and resolve design issues that arise during construction

Provide technical oversight and mentorship to less-experienced engineers and designers on HVAC, plumbing, and piping system design and documentation

Support proposal development and budgetary/technical scoping for pursuits.



Required Qualifications

Bachelor's degree in Mechanical Engineering or related field

Professional Engineer (PE) license required

8+ years of mechanical design experience, including experience leading design efforts

Strong working knowledge of HVAC, plumbing, and piping, plus a solid understanding of overall building system operations

Ability to read and interpret complex mechanical and plumbing construction documents

Excellent verbal and written communication skills, with the ability to work effectively across all levels of staff, clients, and general contractors

Strong presentation and public-speaking skills

Proficiency with CAD/BIM tools and Microsoft Office (including Excel)

Preferred Qualifications

Design-build or mechanical contractor project delivery experience

Experience with Revit MEP and BIM coordination workflows

LEED or CEM credential

Benefits Highlights

Competitive base salary commensurate with experience

401(k) plan with company match

Comprehensive medical, dental, and vision coverage

Paid holidays, vacation, and personal time

Training, professional development, and support for licensure/professional association dues

Performance-based bonus opportunity



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