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Junior Mechanical Engineer/Commissioning Specialist - Johnson, Mirmiran, and Thompson Inc.
Gaithersburg, MD
Posted: Oct 05, 2023 23:27

Job Description

Johnson, Mirmiran & Thompson is a dynamic, 100% employee-owned consulting firm of more than 2,000 professionals that provides a full range of multi-disciplined engineering, architecture, information technology, and related services to public agencies and private clients throughout the United States. JMT, is currently ranked #59 on Engineering News-Record's list of the Top 500 Design Firms.

Position summary: The Junior Engineer/Commissioning Specialist works on assigned projects assisting senior mechanical engineers/plumbing designers with sustainable mechanical/plumbing systems design and integration or assisting senior commissioning professionals/project managers with the commissioning of mechanical, plumbing, electrical, special systems, and life safety (Fire Alarm/Fire Suppression) systems both in the office and at construction projects sites.

The ideal candidate will have a BS in Mechanical Engineering and two to three years of professional experience in mechanical/HVAC/Plumbing systems design and building systems commissioning in the facilities construction or engineering consulting (A/E) industry, and who is looking to pursue a career track as a future registered Professional Engineer (PE).

This position offers excellent opportunities for career development and advancement within an A/E consulting practice, including Engineer-in-Training work related activities, in-house training for career growth, and direct mentoring by senior professional engineers, commissioning project managers, and certified professionals. Typical projects are located within Washington D.C., Virginia, Maryland, and Delaware.

Essential functions and responsibilities:

  • Assist senior mechanical engineers with the sustainable design and integration of mechanical and plumbing systems:

  • Become familiarized with construction, mechanical, plumbing, electrical and energy efficiency codes, and sustainability certifications requirements (i.e.: USGBC LEED, Green Globes, Guiding Principles, etc.) applicable to the assigned projects

  • Perform ASHRAE 62.1 Ventilation Analysis

  • Perform heating and cooling load calculations and/or energy analysis, utilizing industry standard software such as TRANE TRACER 700, Carrier HAPR, or IESVE

  • Perform duct and piping layout and sizing per standard engineering practices, utilizing AutodeskR AutoCADR and/or RevitR programs

  • Perform and coordinate HVAC and plumbing equipment selections with assistance from manufacturer representatives

  • Produce AutoCAD and/or Revit mechanical and plumbing construction drawings, including HVAC and plumbing floor plans, section cuts, air and water flow diagrams, pressurization airflow balances, equipment schedules, installation/piping details, control diagrams, points lists and sequence of operations, plumbing riser diagrams, etc.

  • Edit mechanical and plumbing specification sections (CSI Master Format and SpecsIntact)

  • Coordinate mechanical and plumbing drawings with other disciplines (i.e.: architectural, civil, structural, electrical, etc.) for conflict resolution and project integration into design submissions

  • Plot submission drawings for assembly and packaging for delivery

  • Incorporate design submission review and/or backcheck comments to the current design documents per direction of the senior engineer in responsible charge

  • Provide sustainable design documentation and upload to entity website for compliance with certification requirements (i.e.: USGBC-LEED online, GBI-Green Globes, GBI's DOD Guiding Principles; WELL, Healthy Building, etc.)

  • Respond to construction RFIs and review construction equipment submittals and shop drawings for general conformance to construction documents. Provide input to senior PE in responsible charge

  • Visit construction sites to review progress of construction and verify systems installation conformance to construction documents

  • Assist senior Commissioning Project Managers/Certified Professionals with the execution of commissioning projects:

  • Review the Owner Project Requirements (OPR), the engineer's Basis of Design Narrative (BOD) and construction Contract Documents (CDs)

  • When applicable (i.e.: LEED Enhanced Commissioning Services), review design submission packages at various stages (i.e.: DD, 65%, 100%, IFB/C) from a commissioning perspective for constructability, maintainability, accessibility, testability, and conformance to OPR and BOD

  • Edit divisions 1, 23 and 26 commissioning specification sections when applicable

  • Assist with drafting of the Commissioning Plan

  • Review construction equipment submittals and shop drawings for general conformance to construction/contract documents and OPR

  • Review A/E responses to construction RFIs and architectural supplemental instructions (ASIs) for any contract changes that may impact the commissioning scope and update the Commissioning Plan accordingly

  • Draft pre-functional construction check lists (PFCs) and functional performance test scripts (FPTs), utilizing either in-house developed spreadsheets or web-based commissioning process management/tracking software

  • Conduct commissioning progress update meetings and construction site visits to review progress of construction, equipment installation and conformance to OPR and CDs

  • Draft commissioning progress meeting minutes and site visit reports and maintain project records

  • Monitor and track progress on contractor executed PFC's either on hard-copy forms (PFC Binder) or online if a web-based tracking software is utilized

  • Maintain and update the commissioning Master Issues Log

  • Witness pipe pressure tests, duct air leakage tests (DALT), equipment startups and TAB verification as contractually required and obtain test reports for documentation and record to the Final Commissioning Report

  • Witness Building Automation System's (BAS) performance verification tests and Functional Performance Tests, documenting test results either on hard copy test forms or web-based commissioning software/ application

  • Witness training sessions on select equipment and major systems by manufacturers' reps and compile training documentation and attendance

  • Assist with document compilation, drafting and assembly of the various commissioning deliverables: Final Commissioning Report, Systems Manual or Current Facilities Requirements and O&M Plan

  • Provide sustainable design commissioning documentation and upload to certification entity website (i.e.: LEED online) for compliance with certification requirements

Nonessential functions and responsibilities

  • Perform other related duties as assigned

Required Skills

  • Proficient written and verbal communication skills

  • Good organizational and time management skills

  • Good attention to detail with the ability to recognize discrepancies

  • Strong work ethic. Willing to do what it takes to get the job done

  • Ability to work independently as well as part of a team

  • Ability to freely access all points of a construction site in wide-ranging climates and environment

Required Experience

  • Bachelor's degree in mechanical engineering from an ABET accredited curriculum program

  • 2 to 3 years' progressive work experience in HVAC/mechanical/plumbing systems design/integration and/or commissioning field experience

Preferred Experience

  • Engineer-in-Training Certificate or ability to pass NCEES FE exam (Fundamentals of Engineering exam) within six months of employment.

  • Commissioning certification by either of the following: Associated Air Balance Council Commissioning Group, ACG (CxA); Building Commissioning Association, BCA (BCP); ASHRAE (BCxP) or University of Wisconsin Qualified Commissioning Process Provided (QCxP).

  • LEED Accredited Professional (AP) or LEED Green Associate Certification.

  • Familiarity with web-based commissioning process managing software (i.e.: CxAlloy, Facility Grid)

  • Familiarity with Building Automation Systems and DDC controls (Siemens-Apogee; Johnson Controls-Metasys; Trance-Tracer; Honeywell-Niagara/Comfort Point; Automated Logic, etc.) program access experience is a plus.

  • Membership and participation in technical/professional societies (i.e.: ASHRAE, USGBC, NSPE, ASPE) or other professional organizations.

  • Experience working with governmental agencies at the city, county, and state levels.

  • Knowledgeable in construction testing and inspection requirements

Working Conditions

Work is performed in both an office and field (construction) environment. Office to field time is approximately 22% to 75% respectively. Field work requires climbing, walking, and standing at a construction site and may be outside in heat/cold, wet/humid, and dry/arid conditions. Some lifting (up to 50 lbs) may be required. Travel

JMT is an Equal Opportunity Employer M/F/Disability/Vet/Sexual Orientation/Gender Identity, and we are proud to be building an inclusive and diverse workforce.

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