95 mechanical testing jobs at 61 companies in Clayton, DE
2mo
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Mechanical Test Engineer
Cleveland or Wilmington
OnsiteFull Time
3+ YOEBachelor’s in Mechanical Engineering or Materials Science with 3+ years, or Master’s degree; hands-on thermal/mechanical testing; experience with TIMs, thermal test systems, environmental chambers; data analysis with Python/MATLAB/Minitab.
Python, MATLAB, Minitab, TIM Testers, Thermal Test Systems, Environmental Chambers, Rheometers
2mo
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Senior Mechanical Engineer
Aberdeen Proving Ground, Maryland, United States
$145k-$158k/yr OnsiteFull Time
8+ YOE8+ years mechanical engineering experience designing, developing, testing, and integrating mechanical or electromechanical systems; experience producing engineering drawings and test procedures; active Secret clearance preferred Top Secret.
Computer-Aided Design (CAD)
2w
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Electrical Testing Technician 2
Kennett Square, Pennsylvania, United States
$41-$68/hr FieldFull Time
4+ YOENETA Level 2 (or capable), journeyperson/licensed, 4+ years electrical/construction experience, First Aid and CPR, valid driver\u0002s license and DOT physical, ability to travel and work extended hours, safe high-voltage practices.
hipot, power factor, TTR, CT, primary injection, secondary injection, relay test equipment
1mo
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TAB Technician (Testing, Adjusting, Balancing)
Fallston, Maryland, United States
$18-$23/hr FieldFull Time
High school diploma/GED required. Ability to test, adjust, and balance air and hydronic HVAC systems, read mechanical drawings, perform related math, and document TAB activities. NEBB or AABC preferred.
4w
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Engineer / Mechanical or Electrical
Pottstown or Middletown or Kennett Square or Oswego or Oswego
$87k-$154k/yr OnsiteFull Time
2+ YOEBachelor's degree in engineering required; entry, mid, and senior levels available with 0–5+ years nuclear or related engineering experience. Maintain access/unescorted access and favorable medical testing. Preferred: PE registration, licensing LAR/task report experience, nuclear modification design process, advanced technical degree.
2mo
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PennDOT Winter Mechanics (Diesel & Automotive Mechanics), 2026-2027
Harrisburg or Adams County or Allegheny County or Armstrong County or Beaver County or Bedford County or Berks County or Blair County or Bradford County or Bucks County or Butler County or Cambria County or Cameron County or Carbon County or Centre County or Chester County or Clarion County or Clearfield County or Clinton County or Columbia County or Crawford County or Cumberland County or Dauphin County or Delaware County or Elk County or Erie County or Fayette County or Forest County or Franklin County or Fulton County or Greene County or Huntingdon County or Indiana County or Jefferson County or Juniata County or Lackawanna County or Lancaster County or Lawrence County or Lebanon County or Lehigh County or Luzerne County or Lycoming County or McKean County or Mercer County or Mifflin County or Monroe County or Montgomery County or Montour County or Northampton County or Northumberland County or Perry County or Philadelphia County or Pike County or Potter County or Schuylkill County or Snyder County or Somerset County or Sullivan County or Susquehanna County or Tioga County or Union County or Venango County or Warren County or Washington County or Wayne County or Westmoreland County or Wyoming County or York County
$25-$29/hr OnsiteSeasonal, Temporary
2+ YOESeasonal mechanic roles requiring relevant trade experience or completion of PennDOT trainee program, possession of CDL and inspection mechanic certification for many positions, ability to perform repairs, inspections, and preventive service; subject to drug & alcohol testing.
5h
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Fleet Mechanic 12pm - 8pm
Vineland, New Jersey, United States
$23-$30/hr OnsiteFull Time
5+ YOE5+ years light/medium/heavy mechanic experience, own tools, valid driver's license, clean driving record, background check and negative drug test; ASE certification preferred.
4d
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Mechanic*
New Castle County, Delaware, United States
$37/hr OnsiteFull Time
3+ YOEHigh school diploma or equivalent, 3+ years heavy duty diesel mechanical experience, valid Commercial Driver's License Class B, must pass entry test, own tools, available to work any shift including weekends.
1mo
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Maintenance Technician
Philadelphia, Pennsylvania, United States
OnsiteFull Time
High school diploma/GED; perform mechanical, electrical, hydraulic and HVAC maintenance; diagnose and repair CNC, robotic, and rotating machinery; use electrical/mechanical test equipment; work at heights and follow safety procedures.
HVAC, CNC, Multimeters, meggars, voltage testers, micrometers, gages
2mo
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Mechanic - Diesel/Heavy Equipment
Wilmington, Delaware, United States
OnsiteFull Time
3+ YOE3+ years’ experience as a Heavy Equipment Mechanic; diagnose/repair/maintain construction equipment; valid driver’s license; ability to lift 50 lbs; own basic tools; able to obtain DOT Medical Card; pass pre-employment screening (background, drug test).
Diagnostic Software, Electronic Diagnostics, Hydraulic Systems, Electrical Systems, Diesel Engines
1d
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Urgently Hiring: Automotive Service Technicians – Newark, DE
Newark, Delaware, United States
OnsiteFull Time
Ability to diagnose and repair automotive mechanical issues, perform road tests, follow safety protocols, lift and operate shop tools; ASE certification preferred; professional demeanor and strong work ethic.
1mo
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Entry-Level Fuel Controls Technician – Accessory Shop
Coatesville, Pennsylvania, United States
OnsiteFull Time
High school diploma or equivalent, mechanical aptitude, ability to lift up to 50 lbs, familiarity with hand tools and test equipment, ability to read technical manuals, and willingness to learn in a regulated maintenance environment.
Hand tools, basic test equipment, standard shop equipment
2w
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Diesel Mechanic
Aberdeen, Maryland, United States
$28/hr OnsiteFull Time
2+ YOEPerform heavy-vehicle maintenance and repair; routine preventive maintenance; diagnostic troubleshooting; must pass drug test, DOT physical, road test, background and MVR checks; able to obtain CDL within 6 months.
Shop Management System, diagnostic computer
2w
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Diesel Mechanic
Aberdeen, Maryland, United States
$28/hr OnsiteFull Time
2+ YOEHigh school diploma preferred, 2+ years combined classroom and work experience in diesel/automotive repair, basic tools required, CDL Class A preferred/obtainable, ASE certifications encouraged, pass drug test, DOT physical, road test, and background check.
Shop Management System, diagnostic computer
1mo
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Sheet Metal Mechanic
Wilmington, Delaware, United States
$30-$40/hr OnsiteFull Time
Perform fabrication, installation, sealing, insulation, testing, and maintenance of sheet metal ductwork; read blueprints and collaborate with HVAC team.
CAD
1mo
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Sheet Metal Mechanic
Wilmington, Delaware, United States
$30-$40/hr OnsiteFull Time
Reading blueprints, measuring, cutting/forming sheet metal, assembling and installing ductwork, insulating and sealing joints, testing/balancing airflow, performing repairs, and following safety procedures.
CAD, shears, saws, bending machines, welding, soldering
2w
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Senior Test Engineer
Aberdeen, Maryland, United States
$124k/yr OnsiteFull Time
12+ YOEU.S. citizenship and Top Secret/SCI clearance required, minimum 12 years testing complex mechanical/electromechanical/electrical systems, DAU Test & Evaluation certification desired.
2mo
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HVAC Punchout Mechanic
Edgewood, Maryland, United States
FieldFull Time
2+ YOEHigh school diploma, 2+ years HVAC installation/repair experience, ability to use HVAC tools, inspect/test/troubleshoot systems; EPA 608, BAS/BAS controls and safety knowledge preferred.
Building Automation Systems (BAS), HVAC controls
4d
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AIRCRAFT MECHANIC
Edgewood, Maryland, United States
$25-$49/hr OnsiteFull Time
1+ YOENational Guard membership required; experience in aircraft maintenance, inspection, troubleshooting and repairs; ability to perform preventive maintenance, remove/replace components, and use test equipment; must obtain Secret clearance; must meet federal suitability and Selective Service rules.
1mo
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Air Conditioning Mechanic
Ridley Park, Pennsylvania, United States
OnsiteFull Time
3+ YOECompletion of HVAC trade/apprenticeship, EPA Universal Refrigerant Technician certification, 3+ years HVAC experience in industrial/manufacturing with applicable codes, ability to test/adjust HVAC systems, and US Person status per export control.
Freon leak tester, thermometer, sling psychrometer, monometer, velometer, hydrometer, humidistat