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Senior Mechanical Engineer

The Planet Group
Jacksonville, FL Full Time
POSTED ON 12/16/2025 CLOSED ON 1/14/2026

What are the responsibilities and job description for the Senior Mechanical Engineer position at The Planet Group?

Mechanical Engineer (Process Piping Design / PE) — Heavy Industrial

Onsite: Jacksonville, FL (preferred) | Dothan, AL | Brewton, AL

$141K–$158K base (DOE) profit sharing bonus | Relocation available | No sponsorship


We’re hiring a senior Mechanical Engineer to lead process piping design efforts for heavy industrial capital projects (pulp & paper-heavy, plus power/chemical/manufacturing). This is a hands-on technical leadership role overseeing piping/mechanical 3D design and stress analysis while guiding a small team (designer early-career engineer) and keeping projects on budget and on schedule.


What You’ll Do

  • Lead mechanical/piping design on industrial projects from field verification through deliverables
  • Direct and review 3D piping design models/drawings and ensure design intent, standards, and code compliance
  • Perform and oversee piping stress analysis (Triflex preferred; open to Caesar II or Autodesk FEA)
  • Manage design workload/priorities, coach the team, and improve design/checking procedures
  • Partner cross-functionally (other disciplines, project engineers) to drive efficient, constructible solutions
  • Support scope development, quotes/bids, document control, and project closeout activities
  • Stamp drawings (AL, GA, MS, FL)


Required Qualifications

  • B.S. in Mechanical Engineering
  • 10 years supporting heavy industrial projects (pulp & paper a plus, not required)
  • Active P.E. license (required)
  • Piping stress analysis experience (Triflex / Caesar II / Autodesk FEA)
  • 3D piping/mechanical design experience: AutoCAD Plant 3D preferred; open to PDS, PDMS, CADWorx, Smart 3D, etc.


Work Setup & Travel

  • Onsite (no hybrid)
  • Hours: Mon–Fri, typically 7:00am–3:30pm (flexible)
  • Some overtime (straight-time pay); occasional 45–50 hour weeks
  • Travel is mostly day trips; a few overnights per year


Interested? Apply directly, if interested in Alabama locations apply here as well.

Salary : $141,000 - $158,000

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