Operations Assistant, 2nd Shift

Marmon Holdings, Inc.; Spring Valley (CA); On-site; USD 45,847,000 - 68,770,000; Full time

Benefits offered by this job

Day-one benefits

401(k) match

Paid time off

Job summary

Marmon/Keystone LLC in Spring Valley, IL invites a detail-oriented Operations Assistant to join our Second Shift team. You will help run warehouse and logistics functions and provide essential administrative support to keep daily operations moving smoothly.

Ideal candidates bring a high school diploma, proficient MS Office skills, strong data entry and organizational ability, and a proactive mindset to meet deadlines in a fast-paced environment.

Qualifications

• High school diploma or equivalent.
• Proficiency in Microsoft Office including Excel, Word and Outlook.
• Strong data entry, organizational, and math skills.
• Ability to prioritize multiple tasks and meet deadlines in a fast-paced environment.
• Strong communication and problem-solving skills.

Responsibilities

• Processing inbound materials and preparing warehouse receiving reports
• Reviewing and verifying completed sales orders for timely processing
• Coordinating outbound shipments and assisting with transportation scheduling
• Preparing and maintaining shipping documents, including bills of lading, manifests, and packing lists
• Scheduling inbound delivery appointments with carriers and vendors
• Assisting with inventory verification and record accuracy
• Scanning, organizing, and maintaining electronic MTRs
• Supporting operational efficiency through accurate data entry and administrative coordination

Skills

Data entry

Organization

Math skills

Attention to detail

Communication skills

Education

High school diploma or equivalent

Tools

Excel

Word

Outlook

Job description

Marmon/Keystone LLC

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best.

Operations Assistant (Second Shift)

Location: Spring Valley, IL
Schedule: Monday-Thursday, 12:00 PM-8:30 PM | Friday, 10:00 AM-6:30 PM
Employment Type: Full-Time
Target Compensation: $18-$22 per hour

Build Your Future with Marmon/Keystone

At Marmon/Keystone, we’re more than a leading distributor of specialty metals. We are a trusted partner to industries that help build and power the world. Our success is driven by dedicated employees who take pride in delivering exceptional service, maintaining operational excellence, and supporting one another every day.

We’re seeking a detail-oriented and organized Operations Assistant to join our Second Shift team in Spring Valley, Illinois. This role plays a vital part in ensuring our warehouse operations run efficiently while providing the administrative support that keeps our business moving forward.

If you enjoy working in a fast-paced environment, thrive on accuracy, and take pride in being a reliable team player, we’d love to hear from you.

What You’ll Do

As an Operations Assistant, you’ll support daily warehouse and logistics activities by:

• Processing inbound materials and preparing warehouse receiving reports
• Reviewing and verifying completed sales orders for timely processing
• Coordinating outbound shipments and assisting with transportation scheduling
• Preparing and maintaining shipping documents, including bills of lading, manifests, and packing lists
• Scheduling inbound delivery appointments with carriers and vendors
• Assisting with inventory verification and record accuracy
• Scanning, organizing, and maintaining electronic Material Test Reports (MTRs)
• Supporting operational efficiency through accurate data entry and administrative coordination

What We’re Looking For

• High school diploma or equivalent
• Proficiency in Microsoft Office, including Excel, Word, and Outlook
• Strong data entry, organizational, and math skills
• Excellent attention to detail and commitment to accuracy
• Ability to prioritize multiple tasks and meet deadlines in a fast-paced environment
• Strong communication and problem‑solving skills
• A positive attitude and willingness to support team success

Why Join Marmon/Keystone?

Competitive Compensation & Benefits

• Medical, dental, and vision coverage available on day one!
• 401(k) with company match
• Paid time off and company‑paid holidays

Career Growth Opportunities

We believe in developing talent from within and providing opportunities for long‑term career advancement.

Stability You Can Count On

Join an established industry leader that plays a critical role in supporting manufacturing and infrastructure across North America.

Collaborative Culture

Work alongside experienced professionals in a team‑oriented environment where your contributions are recognized and valued.

Commitment to Safety

Nothing is more important than the health and safety of our employees. We strive to create a workplace where everyone can succeed and go home safely every day.

Pay Range:

33,280.00 - 49,920.00

We offer a comprehensive benefits package that may include medical, dental, vision, 401k matching, and more!

Following receipt of a conditional offer of employment, candidates will be required to complete additional job‑related screening processes as permitted or required by applicable law.

Marmon/Keystone LLC is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex including sexual orientation and gender identity, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law

We are an equal opportunity employer, and all applicants will be considered for employment without attention to their membership in any protected class. If you require any reasonable accommodation to complete your application or any part of the recruiting process, please email your request to [e-mail], and please be sure to include the title and the location of the position for which you are applying.