TST, Inc.

Environmental Health & Safety Manager

Environmental Health and Safety Manager

Bachelor's degree in Occupational Health and Safety or Environmental Engineering; 15+ years in manufacturing safety and environmental programs; supervisory experience; program management; travel to other facilities; ASP or CSP preferred.

Bachelor's degree in Occupational Health and Safety or Environmental Engineering; 15+ years safety/environmental program management in manufacturing; supervisory experience; program management; strong problem-solving; leadership; travel readiness; ASP or CSP preferred.

Quality Assurance Manager

Bachelor's degree in Metallurgical or Mechanical field; 5 years in aluminum casting or metallurgy; ISO quality management experience; Six Sigma Green Belt.

Bachelor's degree in Metallurgical/Mechanical or related field; 5+ years in aluminum casting or metallurgy; ISO quality systems experience; Lean/Six Sigma; strong problem-solving and leadership skills.

Lab Tech/Metallographer 1

Lab Tech/Metallographer

High school diploma; 6-12 months related experience or training; familiarity with ultrasonic testing and metallography standards; MS Office; color vision and near vision.

High school diploma; 6-12 months related experience or training; familiarity with AMS-STD-2154, ASTM E112, ASTM E1417; MS Office proficiency.

Production Worker/Inspector 

Forklift experience preferred; strong reading, comprehension, and basic math/measurement skills.

 forklift experience preferred; strong reading/ comprehension; physical ability to lift up to 50 pounds.

General Maintenance Technician 2

High school diploma or GED; vocational/training or certifications in mechanical or electrical maintenance; 3 years related experience; able to read electrical and mechanical schematics; proficient with pneumatic/hydraulic systems; proficient in welding and cutting; strong communication; flexible to shifts.

High school diploma or GED; vocational training or certification in mechanical or electrical maintenance; 3 years related manufacturing experience; reads electrical schematics; strong communication; willing to work any shift.

General Maintenance Technician 3

High school diploma or GED; mechanical maintenance training or certification; 5 years mechanical/electrical manufacturing experience; read electrical schematics; leadership, communication; shift flexibility; color vision.

General Maintenance Technician

High school diploma or GED; vocational/technical training in mechanical maintenance; 5 years related experience in mechanical/electrical industrial maintenance; reading electrical/structural schematics; leadership and strong communication skills.

UT Level 2 Inspector

UT Level 2 Certification; High School Diploma; 6-12 months in quality/technical field; AMS-STD-2154 knowledge; ability to read/report; MS Office; color and near-vision ability.

UT Level 2 certification; HS diploma; 6-12 months experience in quality/technical function; knowledge of AMS-STD-2154; color vision and near vision; MS Office proficiency.

TST MASTER

QA Inspector

High school diploma required; 6-12 months of quality or technical experience preferred; experience with Microsoft Office Suite.

High school diploma, 6-12 months of quality or technical experience, and proficiency in Microsoft Office Suite required.

Bachelor's Degree in Occupational Health and Safety or similar, 15+ years experience in safety and environmental programs, supervisory experience, ASP or CSP certification preferred.

Title	Location	Date
Environmental Health & Safety Manager Full Time · $90K-$110K · 15+ YOE Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Apr 22, 2026
Environmental Health & Safety Manager Full Time · $90K-$110K · 15+ YOE Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Apr 22, 2026
Quality Assurance Manager Full Time · $100K-$120K · 5+ YOE Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Apr 15, 2026
Quality Assurance Manager Full Time · $100K-$120K · 5+ YOE Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Apr 15, 2026
Lab Tech/Metallographer 1 Full Time · $46K-$49K/yr Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Apr 15, 2026
Lab Tech/Metallographer 1 Full Time · $46K-$49K/yr Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Apr 15, 2026
Production Worker/Inspector Full Time · $41K-$42K/yr Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Apr 1, 2026
Production Worker/Inspector Full Time · $41K-$42K/yr Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Apr 1, 2026
General Maintenance Technician 2 Full Time · $55K-$68K/yr · 3+ YOE Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Mar 2, 2026
General Maintenance Technician 2 Full Time · $55K-$68K/yr · 3+ YOE Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Mar 2, 2026
General Maintenance Technician 3 Full Time · $65K-$79K/yr · 5+ YOE Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Mar 2, 2026
General Maintenance Technician 3 Full Time · $65K-$79K/yr · 5+ YOE Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Mar 2, 2026
UT Level 2 Inspector Full Time · $47K-$50K/yr · 6+ YOE Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Feb 10, 2026
UT Level 2 Inspector Full Time · $47K-$50K/yr · 0.5+ YOE Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Feb 10, 2026
QA Inspector Full Time · $43K-$44K/yr · 1+ YOE Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Jul 25, 2025
QA Inspector Full Time · $43K-$44K/yr · 1+ YOE Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Jul 25, 2025
Environmental Health & Safety Manager Full Time · $72K-$107K · 15+ YOE Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Mar 11, 2025
Environmental Health & Safety Manager Full Time · $72K-$107K · 15+ YOE Fontana, California, United States · Onsite	Fontana, California, United States Onsite	Mar 11, 2025

Activities	Manufacturing secondary aluminum ingotsProducing aluminum billets and slabsRecycling aluminum scrap and drossTrading nonferrous metal commoditiesDeveloping specialized aluminum alloys
Headquarters	US
Industries	Aluminum ManufacturingMetal Recycling
Name	TST, Inc.
Employees	300
Type	Private
Subsidiaries	TIMCOSTANDARDTANDEMALPASETST NIKKEI
Tagline	Manufacturer and recycler of secondary aluminum products for global industries.
Founded	1,946
Website	tst-inc.com
Latest Funding Round	Grant
Latest Funding Year	2,023
Latest Funding Amount	121,992
Latest Investors	South Coast Air Quality Management District

TST, Inc.

About TST, Inc.