Supervisor, Foundry (2nd Shift)

Samuel Packaging Systems Group; Riverside (CA); On-site; USD 85,000 - 98,000; Full time

Job summary

Samuel Packaging Systems Group in Riverside, CA seeks a Night Shift Production Supervisor for the casthouse/foundry floor to uphold safety, drive productivity, and lead a 25+ person team.

The role requires 5+ years in casthouse/foundry operations, strong computer skills, and the ability to lead continuous improvement with clear KPI targets. You will coordinate with supervisors, ensure payroll accuracy, and report on performance.

Qualifications

• Minimum of 5 years Casthouse/Foundry experience.
• Must read and interpret safety rules, blueprints, and procedures.
• Ability to communicate with teams and write routine reports.
• Proficient with Microsoft Office and basic computer skills.
• Experience supervising 25+ employees.
• Lean manufacturing exposure is a plus.

Responsibilities

• Ensure safety compliance on the plant floor per OHSA.
• Participate in planned and unplanned audits of the plant floor and team performance.
• Maintain due diligence and safety-first approach for the organization.
• Communicate daily productivity and initiate continual improvement with production employees.
• Carry out supervisory responsibilities in accordance with policies and laws.
• Interpret specifications, blueprints and job orders to workers and assign duties.
• Establish or adjust work procedures to meet production schedules, improve methods, equipment performance and quality.
• Assist in training workforce in problem solving and continuous improvement.
• Coordinate with other supervisors to drive success.
• Ensure hourly payroll is completed weekly – ADP hours approved and timesheets submitted.
• Read and interpret documents, communicate verbally, and write routine reports.
• Be a good team player with listening skills and adaptability; bilingual a plus.
• Thrive in a fast-paced environment and work with KPI management.

Skills

Safety leadership

Team supervision

Lean manufacturing

Communication

Reading blueprints

Problem solving

Bilingual a plus

Tools

Microsoft Office

Outlook

Excel

PowerPoint

Access

Internet tools

Job description

• Ensures workers are working in a safe manner and a safe environment as per the Occupational Health and Safety Act


• Participates in planned and unplanned audits of the plant floor and team performance


• Maintains due diligence and safety-first approach for the organization


• Communicating daily productivity and initiating continual improvement with production employees


• Carries out supervisory responsibilities in accordance with the organizations policies and applicable laws


• Has the ability to interpret specifications, blueprints and job orders to workers and assign duties


• Establishes or adjusts work procedures to meet production schedules, improve methods, equipment performance and quality of product


• Assists in the training of workforce in problem solving, and continuous improvement


• Confers with other supervisors to coordinate the activities necessary to drive success


• Ensure hourly payroll is completed weekly – ADP hours approved, and timesheets submitted


• Ability to read and interpret documents, communicate verbally with team members, and to write routine reports


• Good team player with excellent listening skills, flexible approach, good negotiator, bilingual a plus.


• Must thrive in a fast-paced environment and familiar with KPI management.

Education

Qualifications

• Minimum of 5 years Casthouse/Foundry experience.


• Must have computer skills – Microsoft Office; Outlook, Word, Excel, PowerPoint, Access; Experience with Internet use, and a general understanding of computers.


• Ability to read and interpret documents such as safety rules, operating and maintenance instructions, blueprints, and procedure manuals.


• Ability to write routine reports and correspondence and able to speak effectively to large groups, internal customers, management, or employees within the organization.


• Qualified in Identifying diverse alloys and hardening elements


• Ability to solve technical practical problems and deal with a variety of concrete variables in situations where only limited standardization exists


• Ability to interpret a variety of instructions furnished in written, oral, diagram or schedule form


• Understands, or exposure and training in lean manufacturing a plus


• Good interpersonal skills, ability to supervise a team of 25 or more employees

The annual base salary range for this position is $85,000 - $98,000. If you are hired, your annual base pay will be determined based on factors such as geographic location, skills, education, and/or experience. In addition to those factors, we believe in the importance of pay equity and consider internal equity of our current team members as part of any final offer. Please keep in mind that the range mentioned above is the full base pay range for the role.

SAMOMM

About Us

At Samuel, we believe every team member brings unique and valuable skills, experiences and knowledge toour thriving business – enabling us to build on over 170 years of success in the metals industry. We offercountless opportunities for our team members to develop and grow in their careers, empower them to makedecisions on the job and be a part of driving positive change – within our organization and in the communitieswhere we live and work. If you’re seeking a dynamic, supportive and welcoming workplace to make yourmark and grow your career, we have the programs, culture and opportunities to make it happen. We’restronger together.
At Samuel we believe in a culture of equality. Respect and integrity are at our core. We are committed tobuilding and creating an environment that is open and welcoming foreveryone. This job posting is for an existing vacancy within the organization

Samuel is an Equal Opportunity Employer. In the United States, we utilize E-Verify.

About the Team

Sierra Aluminum is a vertically integrated aluminum extrusion mill providing standard, custom and OEM aluminum products that range frombasic mill finished extrusions all the way to finished, fabricated shapes.With in-house value added services such asanodizing, painting, thermal improvement, fabrication and specialized packaging,we ensure consistent quality products delivered on time.

Job Info

• Job Identification 225693


• Job Category Production


• Posting Date 08/11/2026, 12:52 PM


• Job Schedule Full time


• Job Shift Night


• Locations 2345 Fleetwood Drive, Riverside, CA, 92509, US


• Legal Employer Samuel, Son & Co. (USA) Inc.