Administrative Assistant

Tricon Switzerland SA; Houston (TX); On-site; USD 55,000 - 75,000; Full time

Job summary

Tricon Switzerland SA in Houston is seeking an Administrative Assistant to support the day-to-day operations of its headquarters, including office operations, travel, events, vendors, and employee support. This hands-on role requires initiative, judgment, and follow-through to keep the office organized and welcoming.

You will work closely with the local team and Global Administrative and Facilities Manager, coordinating priorities and providing day-to-day guidance while ensuring efficient

Qualifications

• 5+ years of experience in an administrative/office roles
• Experience leading a team or acting as a lead administrative resource is a plus
• Strong organizational and time-management skills in a fast-paced environment
• Proactive, hands-on approach with ability to handle routine and complex tasks
• Excellent interpersonal and communication skills with executives, vendors, and partners
• Strong judgment and professionalism handling confidential matters

Responsibilities

• Support day-to-day office operations and address administrative needs
• Ensure kitchen, meeting rooms, and common areas are organized and stocked
• Coordinate office meals, catering, and supplies
• Manage relationships with vendors, maintenance providers, and facilities
• Arrange domestic and international travel and bookings for staff
• Assist with visa matters and travel documentation as needed
• Coordinate meetings, events, and special projects
• Provide admin support to executives and employees
• Handle invoices, expenses, and purchase records
• Support onboarding and office access for new hires
• Collaborate with Office Coordinator and Global Administrative and Facilities Manager
• Improve administrative processes and prioritize tasks
• Provide coverage during absences or busy periods

Skills

Organizational skills

Time-management

Proactive approach

Interpersonal communication

Judgment and discretion

Follow-through

Tools

Microsoft Office

Navan / travel platforms

Job description

About Tricon

It is an exciting time to build your career at Tricon! Certified as a Great Place to Work®, Tricon has been built on a foundation of perseverance, collaboration, and entrepreneurial thinking, powered by some of the industry’s top talent. Our culture values independence and accountability, where we empower our employees to make an impact.With 30 years in business, Tricon has become a global leader in the trading and distribution of petrochemicals, polymers, and raw materials. Today, we are one of the largest privately held companies in Houston, the world’s second-largest chemical distributor according to ICIS, and ranked #35 on Forbes’ list of Top Private Companies in America. We conduct business in over 120 countries, supported by a truly multinational workforce of 1,000+ employees across 40+ countries.Our team delivers value to customers and partners through deep market expertise and integrated capabilities including logistics, risk management, financing, and market intelligence. Guided by our purpose to efficiently and sustainably connect the world with essential goods, Tricon plays a critical role in enabling global commerce while helping suppliers and customers focus on what they do best.At Tricon, you’ll join a global organization where scale meets agility, and where your ideas, ownership, and ambition can help shape the future of international trade.

About the Position

The Administrative Assistant will support the day-to-day administrative and workplace needs of Tricon’s headquarters in Houston, helping ensure an organized, efficient, and welcoming environment for employees and visitors. This is a hands-on role requiring strong initiative, judgment, and follow-through, with responsibility spanning office operations, travel, events, vendors, employee support, and general administration.The successful candidate will work closely with the local administrative team and Global Administrative and Facilities Manager and may take on broader responsibility for coordinating local administrative priorities and providing day-to-day guidance to the team.

Responsibilities

• Support day-to-day office operations and proactively address administrative and workplace needs as they arise
• Ensure the kitchen, meeting rooms, shared spaces, and office supplies are organized, stocked, and ready for employees and visitors
• Coordinate office lunches, catering, food and beverage supplies, and other workplace needs
• Manage relationships with office vendors, maintenance providers, building management, and other service partners
• Arrange domestic and international business travel, including flights and hotels, through Navan and other booking channels as needed
• Assist employees with visa-related matters and travel documentation
• Coordinate internal meetings, employee events, special projects, and external events or conferences
• Provide administrative and operational support to executives and employees as needed
• Coordinate invoices, expenses, purchase documentation, and related administrative records
• Support employee onboarding, including workplace preparation and office access arrangements
• Partner with the Office Coordinator and Global Administrative and Facilities Manager to coordinate administrative and workplace responsibilities
• Help organize and prioritize the work of the local administrative team, providing day-to-day guidance and follow-up as needed
• Identify opportunities to improve administrative processes, clarify responsibilities, and increase efficiency
• Provide coverage and support across administrative responsibilities during absences, busy periods, or special projects
• Take ownership of assignments and follow them through to completion with limited oversight

Experience & Qualifications

• 5+ years of experience in an administrative assistant, executive assistant, office administration, workplace operations, or similar role
• Prior experience serving as a lead administrative resource is preferred; supervisory experience is a plus
• Strong organizational and time-management skills with the ability to manage multiple priorities in a fast-paced environment
• Proactive, hands-on approach with a willingness to handle both routine administrative responsibilities and more complex assignments
• Strong interpersonal and communication skills with the confidence to work effectively with executives, employees, vendors, and external partners
• Demonstrated initiative and ability to identify and address needs without requiring detailed direction
• Strong judgment, discretion, and professionalism when handling confidential or sensitive matters
• Excellent attention to detail with a high level of accountability and follow-through
• Collaborative and team-oriented approach with flexibility to support responsibilities across the administrative function
• Strong problem-solving skills and ability to independently resolve issues or elevate them appropriately
• Proficiency in Microsoft Office; experience with Navan or similar travel and expense platforms is a plus
• Experience supporting a global or multinational organization is a plus

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