QA Engineer jobs in Downey

SAIC

Test and Evaluation Systems Engineer Job ID: 2618325 Location: El Segundo, CA, United States Date Posted: Oct 28, 2026 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS/SCI Clearance Level

Rubbercraft is seeking a QA Engineer I to support the quality management system for aerospace elastomer components. Working with experienced quality engineers and manufacturing teams, this role helps verify product conformity, investigate quality issues, and maintain inspection records. The position

Northwood

$100,000 - $170,000 /year

About Northwood Northwood is a modern space infrastructure company bringing the benefits of space to the masses through advanced communications technology. We are building a global network of phased array ground stations that enable real-time, reliable communication for satellite missions such as na

Eurofins

Company Description Eurofins Scientific is a network of independent companies providing a unique range of analytical testing services to clients across multiple industries, to make life and our environment safer, healthier and more sustainable. From the food you eat, to the water you drink, to the m

NXP Semiconductors

$186,200 - $256,100 /year

Job Responsibilities Develop production, qualification and characterization test programs for Mixed Signal/RF system on a chip (SOC) devices on ATE (Automatic Test Equipment) Advantest 93K/Exascale, Teradyne UFLEX/UFLEX+ ATE experience preferred Test development from design kick-off to production re

Eurofins Environment Testing (USA)

Eurofins Scientific is a network of independent companies providing a unique range of analytical testing services to clients across multiple industries, to make life and our environment safer, healthier and more sustainable. From the food you eat, to the water you drink, to the medicines you rely on

Eurofins

Company Description Eurofins Scientific is a network of independent companies providing a unique range of analytical testing services to clients across multiple industries, to make life and our environment safer, healthier and more sustainable. From the food you eat, to the water you drink, to the m

Parallel

$105,000 - $170,000 /year

Parallel Systems is pioneering autonomous battery-electric rail vehicles designed to transform freight transportation by shifting portions of the $900 billion U.S. trucking industry onto rail. Our innovative technology offers cleaner, safer, and more efficient logistics solutions. Join our dynamic t

The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space— delivering inn