Administrative Assistant at Tube Supply in Commerce City, CO

Triple-S Steel is a family-owned business that has grown into one of the largest suppliers of structural steel products in the country. With a commitment to excellence, innovation, and strong core values, we pride ourselves on creating a culture where team members are empowered to make a difference and grow professionally.

 

We are seeking an organized and detail-oriented Administrative Assistant to join our team. This key role supports daily interaction with customers in our retail warehouse operation, supports office operations, with a focus on billing/invoicing, and organizing maintenance schedules, and ensuring tasks are completed efficiently and effectively. The ideal candidate will possess a friendly personality for being customer-facing, a proactive approach to problem-solving, and the ability to manage multiple tasks simultaneously.

 

Our company offers great benefits, from tuition reimbursement to training and development opportunities. We also offer medical, dental, vision, FSA, HSA, commuter, long-term disability and group life insurance programs as well as profit sharing. Come join our team!

 

Compensation: $18.00 to $22.00 per hour based on experience

Jeanine.moore@sss-steel.com

job closes 06.01.2026

• Bilingual Spanish is a plus
• Proficiency in data entry with strong attention to detail.
• Prior billing experience.
• Excellent proofreading skills to ensure high-quality documentation.
• Experience as an office receptionist is a plus but not required.
• Familiarity with office management practices and procedures.
• Exceptional customer service skills to create a welcoming environment for clients and visitors.
• Proficient in using computer software relevant to administrative functions.

•  Proficiency in data entry with strong attention to detail.
•  Prior billing experience.
•  Excellent proofreading skills to ensure high-quality documentation.
• Experience as an office receptionist is a plus but not required.
•  Familiarity with office management practices and procedures.
• Exceptional customer service skills to create a welcoming environment for clients and visitors.
•  Proficient in using computer software relevant to administrative functions.