Warehouse Manager - Sioux Falls, SD

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.

Our Story
Since 1907, Marmon/Keystone, LLC (a Marmon Holdings/Berkshire Hathaway company) is a well-established player in the metals distribution sector, renowned for its consistent delivery of top-tier metal products and unparalleled customer service. Marmon/Keystone, a distributor of pipe, tubing and bar, is comprised of 350+ full-time employees spanning over 20 locations throughout the US, Canada and Mexico. We are committed to optimizing, standardizing, and modernizing every aspect of our operations. Our mission is to drive excellence through innovation and efficiency, creating a workplace where growth knows no bounds. Our average employee tenure of 15 years reinforces our commitment to our employees’ career success and personal fulfillment!

Join Our Team as a Warehouse Manager – Sioux Falls, South Dakota
Are you a hands-on leader with a passion for operations, safety, and team development? Marmon/Keystone is on the lookout for a dynamic Warehouse Manager to take charge of our branch and drive excellence in every corner of the warehouse!

This is more than just a job — it’s a chance to lead a high-performing team, shape the future of our operations, and make a real impact. If you're ready to roll up your sleeves and lead with purpose, we want to hear from you!

📍 Location: Sioux Falls, South Dakota
💼 Type: Full-Time | Safety-Sensitive Role

🌟 What You’ll Be Doing

• Lead and inspire a team of warehouse and office staff

• Drive productivity and exceed leader specific performance goals

• Champion safety and compliance with OSHA, HazMat, SDS, and ISO standards

• Optimize logistics and vendor relationships for maximum efficiency

• Maintain inventory accuracy and eliminate loss

• Oversee shipping and receiving processes to ensure timely and accurate order fulfillment

• Implement lean principles and continuous improvement strategies

• Oversee payroll functions for the branch

• Elevate customer service and support branch growth

• You’ll work alongside your team as needed to pull orders, load trucks and operate machinery

🧠 What You’ll Bring

• 5+ years of leadership experience in a warehouse or manufacturing setting (metals industry a plus!)

• Proven ability to manage departmental budgets, reduce operational costs, and drive financial accountability

• Strong knowledge of OSHA and safety regulations

• Familiarity with lean, 5S, and 80/20 principles; APICS, Six Sigma, or Lean credentials preferred Proficiency in Microsoft Office

• Experience with warehouse or inventory management systems (e.g., SAP, Epicor, NetSuite)

• Ability to work in a warehouse environment with varying temperatures and moderate physical activity (e.g., lifting up to 50 lbs)

• ISO 9001 Internal Auditor Certification or equivalent preferred.

• Excellent communication and problem-solving skills

• A customer-first mindset and a drive to exceed expectations

• Some college coursework preferred

🎁 Perks & Benefits

Medical, dental, and vision insurance upon hire!

Paid vacation, sick time, and 10 holidays

Short- and long-term disability coverage

401(k) with company match

Paid parental leave

Tuition reimbursement

Employee discounts

✨ Ready to Lead the Way?

This is your opportunity to step into a role where your leadership matters and your ideas are valued. Join a company that invests in your growth and celebrates your success.

👉 Apply Now and start your journey with Marmon/Keystone — where your career takes center stage!

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

Candidates must be authorized to work in the United States for any employer. Sponsorship for work authorization (e.g., H-1B, green card, etc.) is not available.

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.

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 careers@marmon.com, and please be sure to include the title and the location of the position for which you are applying.