Warehouse Fulfillment Supervisor: Lead, Optimize & Deliver

We Ship Express; Saint Charles (MO); On-site; USD 52,000 - 72,000; Full time

Job summary

We Ship Express LLC in Saint Charles, MO is seeking a Warehouse Fulfillment Supervisor to lead daily fulfillment operations with a Thursday–Sunday schedule, 6:30 AM–5:00 PM, at our St. Charles facility.

You will supervise staff, optimize picking and shipping, and maintain safety and quality while driving process improvements and ensuring inventory accuracy and timely order processing for key accounts. A hands-on leader with 2–4 years in warehouse Fulfillment and experience with WMS, MS Office,

Qualifications

• 2–4 years of related experience in warehouse fulfillment.
• Strong inventory control knowledge and procedures.
• Proven leadership and team development skills.
• Excellent written and verbal communication abilities.
• Experience with WMS and warehouse software systems.
• Proficiency in Microsoft Office applications.
• Able to manage multiple priorities with organization.
• Ability to work independently and collaboratively with teams.
• Certification on motorized warehouse equipment preferred.
• Bilingual skills are a plus; safety-first mindset.

Responsibilities

• Lead and supervise warehouse staff, assigning daily work to drive efficiency and quality.
• Ensure orders are fulfilled accurately, on time, and in full with daily priorities.
• Maintain strict quality control and safety standards throughout fulfillment.
• Serve as primary contact for key customer accounts related to fulfillment.
• Prepare and deliver daily account status recaps to customers and partners.
• Communicate timelines, updates, and challenges across teams.
• Identify opportunities for process improvement and implement solutions.
• Oversee inventory management with internal teams for accuracy and condition.
• Support cycle counts and investigate inventory discrepancies.
• Collaborate with Warehouse Manager on staffing, scheduling, and training.
• Train team members on systems, SOPs, and independent task execution.
• Prepare operational reports and documentation; ensure policy compliance.
• Maintain a clean, safe warehouse environment and oversee safety training.
• Lead by example and assist with order fulfillment as needed to meet deadlines.
• Perform additional duties and projects to support growth and customer needs.

Skills

Experience 2-4 yrs

Inventory control

Leadership

Communication skills

WMS proficiency

Microsoft Office

Organizational skills

Independent work

Equipment certification

Bilingual

Safety training

Tools

WMS software

Warehouse software

Microsoft Excel

Job description

We Ship Express LLC in Saint Charles, MO is seeking a Warehouse Fulfillment Supervisor to lead daily fulfillment operations with a Thursday–Sunday schedule, 6:30 AM–5:00 PM, at our St. Charles facility.

You will supervise staff, optimize picking and shipping, and maintain safety and quality while driving process improvements and ensuring inventory accuracy and timely order processing for key accounts. A hands-on leader with 2–4 years in warehouse Fulfillment and experience with WMS, MS Office,