521 Ui Engineer jobs in O Fallon, MO

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Senior Systems Engineer

Spectrum

Saint Louis, MO 63131

~ 34 min OnsiteUrgently Hiring

Bachelor's degree in Computer Science or related field, or equivalent experience
1+ years system administration experience (UNIX & Netcool)
1+ years database support experience
1+ years enterprise application experience
Ability to read, write, speak and understand English
This role requires the ability to work lawfully in the U.S. without employment-based immigration sponsorship, now or in the future.

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Nuclear Engineer

U.S. Navy

Cottleville, MO 63338

New, Posted 1 day ago

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Field Engineer

K&K Technical

Troy, MO 63379

$55-$60/hr

New, Posted 1 day ago

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Systems Engineer

Spectrum Careers

Town and Country, MO 63017

New, Posted 1 day ago

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Lead Building Engineer

JLL

Saint Louis, MO 63134

~ 34 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

5+ years of experience in facility/plant engineering maintenance
5+ years of experience in supervision/leadership roles
2+ years of trade schooling in electrical system design, refrigeration, and HVAC
Exposure to HVAC, fluid handling/pumping, fluid filtering, mechanical systems, welding, and electrical systems engineering and operation with ability to analyze system operations, determine causes of problems, and take corrective action
Ability to effectively use computers and computer programs including Microsoft Office Suite with skill in using the Internet to navigate web-based applications
Excellent written and verbal communication skills with physical ability to lift 50 pounds, bend, sit, kneel, squat, stand, reach, and work in various environmental conditions

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Mechanical Engineer II - Thermal Systems

Leonardo DRS

High Ridge, MO 63049

~ 42 min OnsiteFlexible ScheduleHealth InsurancePaid Time OffRetirement Benefit

Bachelor's Degree in mechanical engineering, chemical engineering, or related technical field
Comfortable and competent writing and creating technical documentation
Competent using MS Office, especially Excel
Experience designing and analyzing mechanical components, systems and equipment, preferably HVAC&R; (air conditioning, air handling, chillers and refrigeration) equipment
Experience designing, selecting components and working with fluid handling systems including pumps, control valves, fittings, and/or other fluid handling systems
Experience using or designing LabView systems
Experience designing defense products, especially for the US Navy
U.S. Citizenship required.

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Senior Full Stack Engineer

Outlier

O'Fallon, MO

$50/hr

2+ years of experience in backend engineering, AI automation, or complex systems integration
Proven ability to build and maintain production-grade software with modular separation (e.g., distinct services for data parsing, logic processing, and reporting)
Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases
Practical experience building for live, non-mocked environments and handling multi-turn system interactions.
Outstanding attention to detail and the ability to provide clear, high-density technical feedback on complex system behaviors
This is a 1099 contract opportunity on the Outlier.ai platform
You must be authorized to work in your country of residence
If you are an international student, you may be able to sign up for Outlier if you are on a visa

SmartExplore AI is experimental.

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Senior Manufacturing Engineer

Watlow

Saint Louis, MO 63146

~ 34 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Bachelor's degree in engineering with 5+ years of related engineering experience OR Technical degree/certificate with 10+ years' related experience.
Typically 5+ years of experience in manufacturing engineering or closely related roles, with evidence of increasing scope and impact.
Demonstrated track record of reducing scrap, improving throughput, and/or deploying equipment/automation in a production environment.
Experience leading cross-functional projects from concept through implementation.
Experience with troubleshooting electrical and mechanical issues in manufacturing equipment.

SmartExplore AI is experimental.

New, Posted 12 hours ago

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Equipment & Tool Designer (Asset Design)

Boeing

Saint Louis, MO 63134

~ 34 min OnsiteHealth InsuranceRetirement Benefit

3 to 7 years of tool shop or tool fabrication experience.
3 to 5 years of CAD/CAM experience using SolidWorks, Inventor, Siemens NX, or CATIA
Fluent in all Microsoft Office applications
This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a "U.S. Person" as defined by 22 C.F.R. §120.62 is required. "U.S. Person" includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.
Drug Free Workplace: Boeing is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies.

SmartExplore AI is experimental.

New, Posted 1 day ago

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Assembler - Hiring Now

SPX

Pacific, MO 63069

~ 42 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

One to three months related experience and/or training
Employee is regularly required to stand; use hands to finger, handle, or feel and reach with hands and arms.
The employee is frequently required to walk and talk or hear.
The employee is occasionally required to sit; climb or balance and stoop, kneel, crouch, or crawl.
The employee must regularly lift and /or move up to 10 pounds and occasionally lift and/or move up to 25 pounds.
Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception and ability to adjust focus.
Employee is occasionally exposed to moving mechanical parts; fumes or airborne particles; risk of electrical shock and vibration.
The noise level in the work environment is usually very loud.

SmartExplore AI is experimental.