Plant Administrative Assistant, HR

About Slate

At Slate, we’re building safe, reliable vehicles that people can afford, personalize and love—and doing it here in the USA as part of our commitment to reindustrialization. The spirit of DIY and customization runs throughout every element of a Slate, because people should have control over how their trucks look, feel, and represent them.

Shelf is currently seeking a dynamic, highly organized, and experienced Administrative Assistant - Manufacturing Plant, HR - to join our growing team s is an exciting opportunity to contribute to a transformative organization at the forefront of sustainable mobility. This position will serve as a liaison between the Human Resources department and the Warsaw Assembly Plant and will work closely with key stakeholders across Operations, HR, Finance, and Production teams, and other operational teams.

• Ensure a professional and welcoming environment in the reception and common areas
• Coordinate meeting room bookings, catering, and office supply inventory
• Manage front desk operations including visitor logs, badge issuance, and general inquiries
• Serve as the first point of contact for visitors, vendors, and incoming calls
• Front Desk & Office Coordination
• Help coordinate employee engagement activities and internal communications
• Maintain confidentiality of sensitive employee information and support compliance with HR policies and procedures
• Assist HR with onboarding coordination, employee file maintenance, and scheduling interviews
• HR Administrative Support
• Lead and collaborate with all relevant departments to ensure seamless integration of new documents, schedules, and communication protocols within the plant.
• Collaborate with Manufacturing to continuously optimize administrative workflows ensuring alignment with organizational standards.
• Participate in cross‑functional collaboration between Plant Operations, Manufacturing, Quality, and all relevant Engineering departments.
• Capture and interpret data to make decisions and drive improvements to all plant metrics.
• Use internal systems to collect data and critical information to drive process improvements with Management and Operations.

• Associate's degree or equivalent experience
• 2+ years of hands‑on experience in a manufacturing environment supporting operations and/or Human Resources
• 2+ years of hands‑on experience with document control and office administration, preferably within the Automotive Industry in administrative operations or similar
• Strong understanding of scheduling, record keeping, office procedures
• Strong administrative, interpersonal, and communication skills with the ability to foster collaboration and build effective cross‑functional relationships.
• Experience with Microsoft Office Suite or similar software/tools.
• Ability to manage multiple projects, tasks, and assignments simultaneously.
• Hands‑on experience in office operations supporting overall improvements.
• Experience in structured problem‑solving methodologies (e.g., Lean Office, Administrative Process Improvement, or similar).
• Flexibility to take on additional tasks and ownership of different functional areas, as needed.

At Slate, we’re fueled by grit, determination, and attention to detail. The start‑up spirit of ingenuity and resourcefulness move our business forward. Team Slate fosters a culture of excellence, innovation, and mutual respect, and is motivated by shared principles.

• Safety First
• Delight Customers
• One Team
• Relentless Improvement
• Fast, Frugal, and Scrappy
• Respectful Collaboration
• Positive Legacy

Slate is proud to be an Equal Employment Opportunity and affirmative action employer. We do not discriminate based upon race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, marital status, parental status, cultural background, organizational level, work styles, tenure and life experiences. Or for any other reason.

Slate is committed to providing reasonable accommodation for qualified individuals with disabilities in our job application procedures. If you need assistance or an accommodation due to a disability, you may contact us at recar-o.

Entry level

Full‑time

Administrative

Motor Vehicle Manufacturing