JOBSEARCHER

HVAC Principal Design Engineer (3817)

NavarroGreenville, NCMay 27th, 2026
Job Description Navarro Research and Engineering is recruiting a HVAC Principal Design Engineer (3817) in Greenville, SC.Navarro Research & Engineering is an award-winning federal contractor dedicated to partnering with clients to advance clean energy and deliver effective solutions for complex challenges in the nuclear and environmental fields. Joining Navarro means being a part of an exceptional team committed to quality and safety while also looking for innovative strategies to create value for the client's success. Headquartered in Oak Ridge, Tennessee, Navarro has active programs in place across the nation for DOE/NNSA, NASA, and the Department of Defense.Job DescriptionProvide the essential administrative processes, technical knowledge and leadership as described below.This position has oversight of a specific project area and acts as a representative of the engineering discipline ensuring technical accuracy in project execution in all phases.This is a lead position on assigned projects performing engineering assignments of advanced complexity.Under general supervision of the Discipline Lead Engineer, serve as a Supervising Lead providing guidance / supervision to other engineers and designersAnalyze and make independent recommendations regarding technical solutions to problems of advanced complexity in accordance with project requirementsDevelop and review specifications and design criteriaPerform and check engineering analyses and calculations; specify materials, equipment, and systems; and solve technical problems of advanced complexityCoordinate technical issues with other disciplines, project management, vendors, and clientsExecute work in compliance with Project Quality Plan and proceduresExecute work in accordance with the approved project scope, cost, and schedule baselinesDevelop and review estimates, schedules and progress reports including effort-hour estimating and staff forecastingEstablish, control, and report on material key quantities; provide analysis and forecastsProvide technical support to activities associated with equipment and material procurement and subcontracting including scopes of work, technical bid evaluations, and review of vendor submittalsProvide technical support to activities associated with construction administration including response to construction requests-for-information and field changesOther duties as assignedRequirementsMinimum Job RequirementsU.S. Citizenship requiredBachelor of Science degree in Mechanical Engineering and minimum fifteen (15) years of work-related experienceWorking knowledge of applicable federal (including Department of Energy orders), state, and local codes and standardsAbility to communicate effectively with audiences that include but are not limited to project management, coworkers, clients, vendors, and subcontractorsJob related technical knowledge necessary to complete the jobAdvanced knowledge of discipline codes and standardsAbility to perform work in compliance with applicable local, state, and federal codes, statutes and guidelinesAbility to attend to detail and work in a time-conscious and time-effective mannerIntermediate computer and software skills to include proficiency in the use of word processing, e-mail, spreadsheet and electronic presentation programsSignificant experience providing Engineering, Procurement, and Construction (EPC) services on large industrial projectsProficiency executing large EPC projects utilizing engineering analysis, 3D modeling and 2DComputer-Aided Drafting and Design (CADD) automation tools in a multi-discipline environmentDiscipline Specific Job RequirementsAdvanced engineering knowledge in the design of Heating, Ventilation and Air-Conditioning (HVAC) systemsDevelopment of HVAC load calculationsDevelopment of HVAC air flow diagrams and instrument diagramsDevelopment of HVAC system sequence of operation narrativesSizing and specification of air handling units and other equipmentHVAC main duct and distribution duct sizing and routingDevelopment of black utility (chiller, boiler, custom Air Handling Unit (AHU), air compressor and cooling tower) specifications based upon sizing data provided by Process Development of HVAC specificationsPreferred QualificationsProfessional Engineer licenseSociety of Mechanical Engineers (ASME) NQA-1Advanced knowledge of commercial availability and cost of materialsDemonstrated experience managing and leading large projectsProficiency with project set-up, development of control-level schedules, progress reporting and project close-outPractical field experienceEPC project experience for the following industries:U.S Department of Energy or other U.S. Federal Government AgencyNuclear facilities under a nuclear quality assurance programManufacturing, pharmaceutical or biotechnologyDue to the nature of the government contract requirements and/or clearances requirements, US citizenship is required.Navarro is an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, race, religion, color, national origin, age, disability, veteran's status, or any classification protected by applicable state or local law.EEO Employer/Vet/DisabledBenefitsHealth Care Plan (Medical, Dental & Vision)Retirement Plan (401k)Life Insurance (Basic, Voluntary & AD&D)Paid Time Off (Vacation & Public Holidays)Short Term & Long Term Disability