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Mechanical Engineer III (PE)

Clark Nexsen
United States, North Carolina, Raleigh
421 North Harrington Street (Show on map)
Jun 24, 2025
Description

Mechanical Engineer III

A Mechanical Engineer III will be responsible for assisting in the design, engineering, analysis, equipment selection, and system layout of HVAC, plumbing, piping, and related mechanical building systems for Commercial and Government facilities. Professional Engineer licensure is required.

General responsibilities include but are not limited to the following:



  • Performing various aspects of mechanical engineering design as directed by more experienced engineers or designers, including conceptual studies, program requirements, design analysis, calculations, equipment selection and layout, and system selection and layout for building design, upgrades, and retrofits.
  • Meeting with clients
  • Coordinating and communicating with design team members to ensure that mechanical design details integrate properly with all other disciplines represented on the design team.
  • Complying with the firm's quality control policies and procedures
  • Learning and implementing department and company standards.
  • Developing design and analysis skills
  • Preparing project programming, schematic designs, design development designs, and construction documents.
  • Providing support services during the bidding process, i.e., preparing addenda, amendments, open bids, tabulate bids, etc.
  • Providing construction phase services including representing the firm on-site, answering requests for information, reviewing shop drawings, preparing record drawings, etc.
  • Coordinating with building commissioning professionals as required
  • Participating in team meetings and coordinating efforts with other team members
  • Working with, responding to, and taking direction from senior engineers, project managers, managing principals, and operations directors.


Project responsibilities include but are not limited to the following:



  • Perform Engineer or Senior Engineer tasks as directed.
  • Responsible for document organization and clarity
  • Responsible for discipline drawing coordination
  • Assisting with preparation of fee proposals for mechanical design work as directed
  • Drafting of marked-up plans, partial plans, sections, details.
  • Completing sections and details produced to a schematic-level of completion by the Engineer.
  • Creating schematic-level plans and details for projects of moderate to high complexity
  • Developing an accurate, three-dimensional model of the mechanical systems with the necessary level of detail using the required Building Information Modeling (BIM) software package, when BIM is a project requirement.
  • Develop design options for resolution of system conflicts.
  • Assist with building systems calculations and LEED templates.
  • Participate in building system selections.
  • Participate in building code analysis process.
  • Participate in development of discipline specifications.
  • Coordinating work product with other disciplines
  • Adhere to project schedule and budget.


Education, Technology, and Experience



  • Must have graduated from an ABET-accredited 4-, 5-, or 6-year engineering program in one of the following disciplines:

    • Mechanical Engineering
    • Mechanical Engineering Technology
    • Architectural Engineering (Mechanical engineering focus)
    • Architectural Engineering Technology (Mechanical engineering focus)


  • Completed course work should include Thermodynamics, Heat Transfer, and Fluid Dynamics core courses.
  • Professional Engineer licensure is required.
  • Understanding sustainable design principles and design practices and pursuing LEED AP accreditation is desirable.
  • Additional certifications such as CDT, CCS, or CCCA are encouraged to reflect personal growth in the profession and an ever-increasing knowledge base to enhance the design and documentation process
  • Active membership in NSPE, ASHRAE, ASPE or other related professional organizations is desirable.
  • Ability to effectively utilize current company software programs for word processing, e-mail, and information management.
  • Working familiarity with design and production software to a point of being able to utilize the software in the development of project documents and interact with other project team members in their use of the software is highly desirable. The ideal candidate will have a strong understanding of REVIT modeling software.
  • Up to 10 years of specific, post-graduation, mechanical engineering experience that includes experience with designing HVAC systems, including designing and sizing ductwork distribution and piping systems and equipment sizing, development of construction documents (drawings and specifications), coordination with other design team members, and experience in responding to construction phase queries and submittals. Five or more years of experience following graduation is preferred.
  • Experience and a working knowledge of applicable building codes and standards.



Additional Knowledge, Skills and Abilities (KSA's)



  • Ability to prepare effective and concise documents and correspondence.
  • Ability to make effective presentations to a variety of groups.
  • Ability to communicate effectively in a team environment.
  • Have a can-do attitude with a desire to provide outstanding professional services.
  • Be dedicated to his or her professional development as well as the success of colleagues and the firm as a whole.


KSA's Required for Advancement from Mechanical Engineer II



  • Mastery of all typical HVAC design calculations.
  • Ability to create and execute project workplans that adhere to scope, schedule, and budget.
  • Ability to completely perform the HVAC design for projects of moderate size and complexity including specifications and controls.
  • Ability to represent the firm as the HVAC discipline lead in design and construction meetings.
  • Able to organize and manage time across multiple, simultaneously occurring projects.
  • Able to clearly delegate work to less experienced team members and perform quality control review of that work.
  • Able to teach design tasks and procedures to less experienced team members.


Notes Specific to this Opportunity



  • The position is in-office, in our Raleigh, NC location.
  • This job description represents the minimum required level of experience. Professionals with more experience (i.e. Senior Mechanical Engineers) are encouraged to apply. All new hires will be titled according to their experience and abilities, regardless of the position they applied for.


Physical Requirements

Work is sedentary and often performed in an office setting. Work area is lighted, heated, and ventilated. This position may require extended periods of standing, sitting, as well as some repetitive movements, bending and lifting of minimal weight. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.
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