HVAC Design Engineer; Principal Security Clearance

Position: HVAC Design Engineer (Principal) with Security Clearance
Final date to receive applications: 7/28/2026

Position Summary:

The purpose of this position is to provide 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. This position is in-office full time.

Duties and Responsibilities:

* Under general supervision of the Discipline Lead Engineer, serve as a Supervising Lead providing guidance/supervision to other engineers and designers
* Analyze and make independent recommendations regarding technical solutions to problems of advanced complexity in accordance with project requirements
* Develop and review specifications and design criteria
* Perform and check engineering analyses and calculations; specify materials, equipment and systems; and solve technical problems of advanced complexity
* Coordinate technical issues with other disciplines, project management, vendors and clients
* Execute work in compliance with Project Quality Plan and procedures
* Execute work in accordance with the approved project scope, cost and schedule baselines
* Develop and review estimates, schedules and progress reports including effort-hour estimating and staff forecasting
* Establish, control and report on material key quantities; provide analysis and forecasts
* Provide technical support to activities associated with equipment and material procurement and subcontracting including scopes of work, technical bid evaluations and review of vendor submittals
* Provide technical support to activities associated with construction administration including response to construction requests-for-information and field changes
* Other duties as assigned Requirements Basic

Job Requirements:

* U.S. Citizenship required
* Bachelor of Science degree in Mechanical Engineering and minimum fifteen (15) years of work-related experience
* Working knowledge of applicable federal (including Department of Energy orders), state, and local codes and standards
* Ability to communicate effectively with audiences that include but are not limited to project management, coworkers, clients, vendors, and subcontractors
* Job related technical knowledge necessary to complete the job
* Advanced knowledge of discipline codes and standards
* Ability to perform work in compliance with applicable local, state, and federal codes, statutes and guidelines
* Ability to attend to detail and work in a time-conscious and time-effective manner
* Intermediate computer and software skills to include proficiency in the use of word processing, e-mail, spreadsheet and electronic presentation programs
* Significant experience providing engineering, procurement and construction (EPC) services on large industrial projects
* Proficiency executing large EPC projects utilizing engineering analysis, 3D modeling and 2D computer-aided drafting and design (CADD) automation tools in a multi-discipline environment Discipline Specific

Job Requirements:

* Advanced engineering knowledge in the design of heating, ventilation and air-conditioning (HVAC) systems
* Development of HVAC load calculations
* Development of HVAC air flow diagrams and instrument diagrams
* Development of HVAC system sequence of operation narratives
* Sizing and specification of air handling units and other equipment
* HVAC main duct and distribution duct sizing and routing
* Development of black utility (chiller, boiler, custom AHU, air compressor and cooling tower) specifications based upon sizing data provided by Process
* Development of HVAC specifications

Preferred Qualifications:

* Professional Engineer license
* Experience with design of systems, structures and components for nuclear facilities under the requirements of ASME NQA-1
* Advanced knowledge of commercial availability and cost of materials
* Demonstrated experience managing and leading large projects
* Proficiency with project set-up, development of control-level schedules, progress reporting and project close-out
* Practical field experience
* EPC project experience for the following industries:

- U.S Department of Energy or other U.S. Federal Government Agency
- Nuclear facilities under a nuclear quality assurance program
- Manufacturing, pharmaceutical or biotechnology Security Clearance:
The ability to obtain and maintain a DOE/DoD Security Clearance
- Secret, Top Secret, L or Q is required. Background Check and Screenings A pre-employment drug screening and background review that includes checks of personal references, credit, law enforcement records, and employment/education verification is required. Benefits We take pride in promoting a healthy work-life balance, family-friendly benefits, servant leadership, team values and professional growth. Our competitive benefits package includes:
* Medical…