Shipping and Receiving Specialist

Rio Rancho, United States | Posted on 08/22/2026

Castelion was founded to restore America’s ability to field advanced weapons at speed and scale. Inspired by the engineering urgency of the WWII and Apollo eras, we combine rapid iteration, vertical integration, and scalable manufacturing to deliver affordable, high-performance strike systems. Our mission: rebuild industrial agility to strengthen national security and outpace evolving threats.

As a Shipping and Receiving Specialist, you will play a key role in ensuring the smooth flow of materials in and out of our facility. You'll be responsible for receiving, inspecting, and organizing incoming shipments, as well as preparing and shipping outgoing orders accurately and on time. This role requires strong attention to detail, a sense of ownership, and the ability to work efficiently in a fast-paced environment while supporting inventory accuracy and overall operations.

• Process incoming shipments and packages at our Rio Rancho, NM facility.
• Inspect incoming deliveries for damage, verify quantities against packing slips, and confirm accuracy against purchase orders.
• Receive and label indirect materials and route direct materials to the Inventory team for processing.
• Prepare outbound shipments by identifying, pulling, packaging, labeling, and staging materials for carrier pickup.
• Package materials according to shipping requirements and coordinate secure and timely shipments with carriers.
• Expedite the flow of materials through receiving to support development and production schedules.
• Operate forklifts, pallet jacks, and other material-handling equipment to move materials throughout the facility.
• Prepare and handle material shipment.
• Assist with inventory organization and ensure materials are properly labeled and stored.
• Identify discrepancies in shipments or documentation and resolve issues quickly to maintain operational efficiency.

• 5+ years of experience in shipping, receiving, or warehouse operations.
• Valid driver's license.
• 5+ years of forklift or material-handling equipment experience with a valid certification.
• Strong attention to detail with the ability to accurately enter and manage data in digital systems.
• Ability to work onsite in Rio Rancho, NM.
• Flexibility to work overtime as needed to support operational requirements.
• Ability to handle physical workload, including lifting packages up to 25–75 lbs throughout the shift.
• Ability to prioritize through receipts based off company needs.
• 5+ years of experience working with hazardous materials in a shipping, receiving, transporting, or handling hazardous materials.
• Clear communicator capable of working in a fast-paced environment.

• Experience with ERP, MES, or warehouse management systems, as well as the Microsoft Office suite.
• Experience packaging, handling, and receiving hazardous materials shipments.
• Strong organizational and problem-solving skills with the ability to prioritize tasks in a fast-moving environment.
• Ability to identify discrepancies in shipment documentation and proactively resolve issues.
• Experience working in aerospace, defense, or advanced manufacturing environments.
• Active U.S. Government security clearance or eligibility to obtain one.
• Employee Equity:
  Meaningful equity forall full-time employees - share value has increased 150x in three years
• Personal Time Off:
  Four (4) weeks of paidtime off to unplug, reset, and come back sharp—velocity matters,burnout doesn't
• Medical:
  We offer plans at 100% employee covered and 80% of dependent coverage
• Dental & Vision:
  We cover 90% employees and 80% for dependents to ensure you and your family have access to quality preventive and ongoing care
• FSA/HSA:
  To support long-term health and financial resilience, we offer FSA and HSA options that allow employees to set aside pre-tax dollars for eligible medical and dependent care expenses
• Retirement: 401k plan offered to support long term financial growth along side high-impact, high-velocity work
• Paid Parental Leave:
  We support growing families with meaningful time to bond and recover. Birthing parents are eligible for up to 10 weeks of paid leave, while non-birthing parents may take up to 4 weeks of paid leave. This time can be usedfor pre-natal care, pregnancy, childbirth, and related medical needs—ensuring every parent has the support they need during this important life moment.
  8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees
• Meals & Catering:
  Frequently catered lunches and team meals, plus company-covered meals when extra timeor effort is required
• Snacks & Beverages:
  Fully stocked kitchen with unlimited snacks and drinks to keep you fueled throughout the day
• Performance & Fitness: $100 monthly fitness stipend to support peak performance and health, both insideand outside of work
• EV Charging:
  Onsite electric vehicle charging available for employees