29 mechanical systems engineer jobs at 25 companies in Jacksonville, FL
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Mechanical Sub-Systems Engineer
Jacksonville, Florida, United States
$40-$87/hr OnsiteFull Time
4+ YOEBachelor's in relevant engineering, 4+ years aerospace/aviation mechanical systems experience, AutoCAD and Microsoft 365 proficiency, prototyping experience, effective communication, U.S. citizenship and ability to obtain Secret clearance.
AutoCAD, Microsoft 365, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint, Adobe Acrobat
1w
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MECHANICAL ENGINEER
Naval Air Station Jacksonville, Florida, United States
$106k-$138k/yr OnsiteFull Time
1+ YOECurrent PE registration required; bachelor's in engineering required; minimum one year specialized engineering experience (GS-12 level) designing and reviewing mechanical systems for facilities; experience with HVAC, plumbing, utilities, and contract support.
2mo
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Mechanical Engineer P.E
Jacksonville, Florida, United States
FieldFull Time
Bachelor's in mechanical engineering, licensed PE, experience designing/evaluating HVAC and building mechanical systems, proficiency with AutoCAD/Revit, strong HVAC knowledge and communication skills.
AutoCAD, Revit, ANSYS, Carrier HAP, Trane TRACE
1w
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Mechanical Engineer
Jacksonville, Florida, United States
$90k-$116k/yr OnsiteFull Time
1+ YOEBachelor's degree in engineering or qualifying alternative; one year specialized experience designing HVAC and energy systems, modeling energy, analyzing life-cycle costs, and coordinating projects.
HVAC
2mo
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Opto-Mechanical Engineer
Jacksonville, Florida, United States
OnsiteFull Time
5+ YOEBachelors in mechanical/optical engineering required (Masters/PhD preferred), 5+ years designing and building opto-mechanical systems for aerospace, Zemax/CodeV/FRED/LightTools experience, fiber optics and metrology skills, ability to lead alignment and integration.
Zemax, CodeV, FRED, LightTools, Python
2mo
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CIWS Weapon Systems Technician
San Diego or Jacksonville
$68k-$144k/yr OnsiteFull Time
6+ YOEU.S. citizen with active Secret clearance (or ability to obtain), minimum 6 years hands-on CIWS experience, mechanical/electrical system knowledge, ability to perform installation/testing/maintenance, and strong communication skills.
Microsoft Office
3mo
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Weapon Systems Technician
San Diego or Jacksonville
$68k-$144k/yr OnsiteFull Time
6+ YOEActive Secret clearance; US citizenship; 6+ years CIWS experience; read mechanical/electrical drawings; strong communication; ability to install, test, troubleshoot CIWS; knowledge of DOD standards; MS Office.
CIWS, SOVT, Microsoft Office
3w
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SENIOR OPERATING ENGINEER - 48008163
St Augustine, Florida, United States
$40k-$48k/yr OnsiteFull Time
Operate and maintain boilers, chillers, HVAC and related mechanical systems; perform repairs, monitor controls, follow safety procedures; high school diploma and mechanical maintenance experience required.
Microsoft Office
2mo
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Building Controls Engineer
Jacksonville, Florida, United States
$30-$45/hr OnsiteFull Time
2+ YOEAssociate's or 2-year vocational certificate with 2+ years in low-voltage building systems (or 5 years relevant experience); Niagara AX/N4 certification required or attainable within 6 months; experience with BAS, DDC, electrical/mechanical systems; availability for on-call and overtime.
Niagara Ax, N4
1w
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Manufacturing Support Engineer
Jacksonville or Huntington
$120k-$180k/yr OnsiteFull Time
BS in Mechanical/Manufacturing or equivalent experience, SolidWorks proficiency, sheet metal fabrication experience, ability to read/redline schematics, troubleshoot pneumatic/coolant systems, travel between rebuild shops, and perform onsite shop measurements.
SolidWorks, CAN bus, J1939, CANopen, Modbus, Ethernet
2mo
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Building Controls Engineer
Jacksonville or Phoenix or Scottsdale or Rochester
$30-$45/hr OnsiteFull Time
2+ YOEAssociate's degree or 2-year vocational certificate with 2+ years low-voltage experience (or 5 years systems experience). Niagara Ax/N4 certification required or ability to obtain within 6 months; skills in BAS, DDC, electrical, mechanical, system testing, and regulatory codes; on-call availability.
Niagara Ax, Niagara N4
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Service Engineer, Engines - Level 3
Jacksonville, Florida, United States
$37-$50/hr FieldFull Time
5+ YOERequires 5+ years servicing diesel engines, marine systems, or industrial equipment; advanced diagnostics, schematics, precision measurement, team leadership, extensive travel, and a valid driver's license.
FLIR
2w
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Engineer - Unlicensed - 2026
Jacksonville or United States
FieldFull Time
Experience with diesel, hydraulic, and electrical shipboard systems; TWIC card; ability to live onboard, stand long periods, lift up to 50 lbs, pass drug testing, and perform emergency procedures.
1d
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Building Engineer
Jacksonville, Florida, United States
OnsiteFull Time
Building maintenance experience with plumbing, electrical, mechanical, HVAC, and basic fire alarm systems. Requires driver's license, tool safety knowledge, 50–100 lb lifting, ladder use, and background and drug screening.
HVAC, Fire Alarm
3mo
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MCPP Philippines: Engineering Heavy Equipment Mechanic
Jacksonville or Subic Bay Freeport Zone
OnsiteFull Time
4+ YOEAssociate degree or equivalent in mechanical engineering; four years HE systems maintenance; US citizenship; valid driver's license; ability to obtain US passport and Philippines work visa; FBI background check.
Maintenance Tools, Mechanical Systems, Equipment Diagnostics
2w
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Engineering Technician - Electrical (Fresh Water & Fuel Oil Navy Ship Systems)
Mayport, Florida, United States
OnsiteFull Time
3+ YOE3 years (within last 5) troubleshooting, repairing, testing or leading technicians on US Navy ship electrical/mechanical systems; performing formal material condition assessments; writing technical reports; experience with MS Office, NMD, eDFS, NSEDR, TASS-Info; assessing fresh water, fuel/lube oil and pollution abatement systems and interpreting e...
Microsoft Office, Navy Maintenance Database (NMD), Electronic Departure from Specifications (eDFS), Navy Ship's Engineering Drawing Repository (NSEDR), TASS-Info, PLC
4d
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FM Engineering Ops Sr Manager
Charlotte or Atlanta or Jacksonville or Raleigh or Europe or Africa or United Arab Emirates or Qatar
RemoteFull Time
Engineering, facilities, maintenance, or technical operations experience in manufacturing or large facilities; mechanical systems, asset lifecycle, capital planning, audits, CMMS, Microsoft Office, and stakeholder management expertise.
SI-7, CMMS, Microsoft Office, Microsoft Excel, Microsoft Outlook, Microsoft Word
4w
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Marine Operator Engine/QMED
Jacksonville, Florida, United States
FieldFull Time
2+ YOEValid USCG MMC and QMED; basic safety training and 719k medical; minimum 2 years sea time as watchkeeping engine-room rating; experience maintaining and repairing vessel mechanical systems.
2d
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Diesel Technician
Jacksonville, Florida, United States
OnsiteFull Time
Troubleshooting and repair skills for mechanical, electrical, suspension, air conditioning, and engine systems; ability to lift 75+ pounds, work varied temperatures, obtain a DOT medical card, and follow safety procedures.
Department of Transportation (DOT)
1mo
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Service Technician
Starke, Florida, United States
$38k-$58k/yr FieldFull Time
3+ YOEHigh school diploma, valid driver's license, minimum 3 years troubleshooting and repairing combustion engines and mechanical/electrical systems, experience using hand and power tools and Microsoft Office, ability to lift up to 60+ lbs.
Microsoft Office
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