Senior Mechanical Facilities Design Engineer
Listed on 2026-05-10
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Engineering
Mechanical Engineer
OVERVIEW
Merrick & Company's Nuclear Services & Technology team provides full service nuclear design solutions to the federal government (DOE, NNSA, and NIST), nuclear research, and nuclear medicine. Merrick is seeking a highly motivated, team oriented Mechanical Engineer to support our operations in our Aiken, SC or Oak Ridge, TN office.
WHAT YOU'LL DOThe successful candidate will design HVAC and Plumbing/Piping system for a variety of facility projects. Tasks include developing design calculations, process flow diagrams, sequences of operation, equipment selection and layout, ductwork and piping sizing and layout, support of project proposals, interdisciplinary coordination and participating in QA/QC process. Part time efforts will be devoted to site inspection and construction administration. This position is primarily a leadership role and will be part of a design team environment.
- Must be willing to work in a design team environment, including directing the work of junior engineers and designers, and delegating work as required as well as taking design direction from senior-level engineers
- Interdisciplinary coordination
- Develop calculations, flow diagrams, and specifications
- Size and layout ductwork, hydronic and plumbing piping systems
- Lead QA/QC processes
- Proficient with codes, standards and guidelines
- Bachelor's degree (B. S.) in Mechanical Engineering from an A.B.E.T. accredited program.
- A minimum of twelve (12) years related experience.
- Candidate must have their PE license.
- Must understand the importance of Business Development, project management for A-E firms, managing to fee and demonstrate skills in a multi-discipline teams.
- Position requires the ability to manage other engineers and designers.
- Experience interfacing with client contacts.
- Strong experience with thermal load calculation and energy modeling for mechanical systems.
- Strong experience in calculating and sizing of mechanical equipment including AHUs, fans and pumps.
- Strong experience in sizing and laying out ductwork and hydronic piping systems.
- Employee Owned – all eligible U.S. employees have an Employee Stock Ownership Account.
- Robust Employee Referral Program.
- Annual performance and compensation reviews.
- Professional Training and Development.
- Employee Recognition Awards.
- Peer Mentor Program
- And Much More!
Merrick is an Equal Opportunity Employer, including disability/vets.
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