218 control testing jobs at 134 companies in Concord, CA
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Quality Control Technician
Vacaville, California, United States
$23-$25/hrOnsiteFull Time
All Weather Architectural Aluminum: Manufactures custom architectural aluminum window and door systems.
High school diploma or equivalent; quality control experience preferred (2 years preferred); ability to perform inspections, testing, data analysis, and use MS Word/Excel/Outlook.
Vulcan Materials CompanyNYSE: VMC: Produces construction aggregates, asphalt, and ready-mix concrete.
Prior materials testing experience preferred; knowledge of construction/mining hazards, good math skills, and proficiency with computerized systems and Microsoft Office, Google, and Oracle Business Environment.
Microsoft Office Suite, Google, Oracle Business Environment
EcolabNYSE: ECL: Provides water, hygiene, and infection prevention solutions and services.
2+ YOEHigh school diploma, 2 years experience, valid driver’s license, overnight shifts, 18+, pest certification/licensing, background check, drug test; immigration sponsorship not available.
PepsiCoNASDAQ: PEP: Global food and beverage manufacturer and distributor.
Must be 18+; experience with testing instruments, SOPs, calibration, microbiology, water treatment, cooling/ammonia and mechanical systems; able to lift 20-45 lb and perform long shifts.
Reliable Robotics: Develops autonomous flight systems for commercial and cargo aviation.
8+ YOEMS in aerospace engineering, robotics, or related field; 8+ years flight control development/testing; experience with flight dynamics, simulation; C/C++, Python; strong communication.
PepsiCoNASDAQ: PEP: Global manufacturer and distributor of snacks and beverages.
Operate production equipment, weigh/measure/mix ingredients, perform product and package tests, record results, and follow SOPs; must be 18+ and able to lift 20-45 lb repeatedly.
CRHNYSE: CRH: Manufactures and distributes diversified building materials and construction products.
Experience in precast or related industry preferred; perform QC inspections and concrete testing, read shop/engineering drawings, maintain records, and use Microsoft Office. Ability to lift up to 40 lbs.
All Weather Architectural Aluminum: Manufacturer of custom aluminum windows and doors.
High school diploma, quality inspection and testing experience, ability to perform audits, investigate root causes, prepare reports, and use Microsoft Word/Excel/Outlook; 2 years QC or window industry experience preferred.
Microsoft Word, Microsoft Excel, Microsoft Outlook
Pro Farm Group: Develops biological crop protection and plant health solutions for agriculture.
Coursework in a biological discipline or equivalent experience; basic biology knowledge, hands-on lab experience and aseptic technique preferred; able to perform raw material and finished product testing, prepare media, maintain lab/greenhouse, and document records.
Aptive Environmental: Provides residential pest control and insect extermination services.
No experience required; will train. Requires valid US driver’s license with 3+ years validity, clean driving record, drug test and background check. Ability to carry ~50 lb backpack and work local routes including every other Saturday.
Halo Industries: Manufactures silicon carbide wafers using laser-based slicing technology.
10+ YOEBachelor's degree,10+ years building production-line control systems; proficiency in C#, C++, PLC/Beckhoff TwinCAT 3, industrial protocols, EM integration, and strong systems-level testing skills.
The Partner Companies: Global manufacturer of mission-critical precision components and specialty materials.
High school diploma, 2–3 years quality/inspection experience preferred; ability to read engineering drawings and GD&T, perform incoming/in-process/final inspections, conduct lab testing, and complete quality documentation.
Revance: Develops and commercializes aesthetic and therapeutic neuromodulator treatments.
10+ YOE3+ MgmtBachelor's degree and 10+ years related experience, 3+ years management; experience in cGMP analytical testing, method lifecycle management, biosafety/FSAP/BSL environments, and regulatory inspections (FDA/EMA/CDC/APHIS).
Marin Water: Provides municipal drinking water and manages watershed lands.
High school diploma or equivalent; CA driver’s license; CP1/CP2 and D1 certifications required to pass probation; experience or coursework in electronics, chemistry, or related field; ability to perform field testing, confined-space work, and maintain records.
Guidance, Navigation & Control Engineer III (Senior)
Sunnyvale, California, United States
$116k-$201k/yrOnsiteFull Time
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOESenior GN&C engineer with 3+ years' related experience; proficiency with MATLAB/Simulink, Python/C/C++/Fortran; strong control theory, simulation, HIL testing, and communication skills; U.S. citizenship and ability to obtain Final Secret clearance required.
Jensen Infrastructure: Designs and manufactures concrete products for infrastructure projects.
High school diploma, ACI Concrete Field-Testing Technician Grade I (or obtain within 6 months), experience with concrete inspection/precast preferred, ability to read drawings/specs, strong attention to detail, and computer proficiency for inspection documentation.
Guidance, Navigation, and Control Engineer Intern (Fall 2026)
San Francisco, California, United States
$29/hrOnsiteInternship, Full Time
Astranis: Builds and operates small geostationary communications satellites.
Currently pursuing a B.S. in a technical discipline with focus on control systems/orbital mechanics; familiarity with control theory/estimation, experience with Python and/or C/C++; demonstrated ability to design, build, and test software or hardware; U.S. citizenship/LPR/refugee/asylee required.
Cordis: Develops and manufactures cardiovascular and endovascular medical devices.
2+ YOEHigh school diploma or equivalent, minimum 2+ years relevant experience; performing inspections, tests, equipment calibration, data collection and documentation to ensure product quality.