Administrator Assistant

Company: Thermon
Location: Seguin
Posted on: February 18, 2026

Job Description:

Job Description Job Description Who We Are - Thermon Thermon is a diversified technology company and a global leader in industrial process heating, temperature maintenance, environmental monitoring and temporary power distribution solutions. We deliver engineered solutions that enhance operational awareness, safety, reliability and efficiency to deliver the lowest total cost of ownership. Thermon offers over 250 products, software and services across multiple brands, providing a range of offerings from boilers, transportation heaters, and liquid load banks to tubing bundles and heat trace. We are the silent guardians of critical infrastructure. From the relentless demands of chemical plants and the intricate networks of rail and transit to the vital pulse of power generation, we innovate solutions that ensure optimal operation, protect critical assets, and maximize efficiency. We care deeply about the success of our customers, the well-being of our people, and the reliability of every product we design. This drives our unwavering commitment to safety and integrity in everything we do. Through collaboration , we unite a rich legacy of expertise with a trusted global team, partnering side-by-side with our customers. We transfer the warmth needed to make life work. The Role The Administrative Assistant plays a vital role in supporting the Director of Operations and local leadership while serving as the office manager for our San Marcos campus. This is a highly visible position for someone who enjoys being the go-to person, keeping things organized, and creating a welcoming and well-run office environment. You'll balance executive-level administrative support with office coordination responsibilities, working independently and proactively in a fast-paced setting. Success in this role requires strong attention to detail, sound judgment, professionalism, and a positive, can-do attitude. If you enjoy variety, thrive on staying organized, and take pride in supporting leaders and teams, this role offers opportunities to make a meaningful impact every day. What You'll DoExecutive & Administrative Support Provide high-level calendar and correspondence management for the Director of Operations, including coordination of travel arrangements. Prepare and process expense reports using Concur. Proactively schedule and support internal and external meetings, including leadership meetings, employee events, and on-site activities. Act as a first point of contact for requests, correspondence, and inquiries directed to the Director of Operations. Assist with planning and coordinating employee appreciation events and company functions. Maintain and organize documentation related to quality assurance and training. Post and update campus communications (e.g., information displayed on office TVs). Support additional administrative tasks as needed. Office Management Serve as office manager for the San Marcos campus, partnering with facilities, building management, IT, and internal teams. Help ensure the office runs smoothly by managing vendors, supplies, and office-related needs. Greet visitors and handle calls professionally, creating a warm and professional first impression. Coordinate with other Thermon offices and departments as needed. Provide backup support for specific administrative or office tasks when required. What We're Looking ForQualifications & Experience High school diploma required; Bachelor's degree preferred. 6–8 years of experience as a senior-level administrative assistant. At least 2 years of office management experience. Strong communication skills, including the ability to present information clearly and professionally. Proven ability to stay calm, courteous, and solutions-oriented in a fast-paced environment. Ability to manage multiple priorities and meet deadlines with minimal supervision. Proficiency in Microsoft Word, Excel, and PowerPoint (intermediate to advanced); ability to learn new systems quickly. Must be able to pass a credit check. Ability to work onsite Monday through Friday; occasional weekend support for company events as needed. Physical Requirements This role involves typical office-related activities, including: Sitting for extended periods (6–8 hours per day). Typing, writing, and using standard office equipment. Reading and working with detailed documents and screens. Communicating clearly in person and by phone. Light lifting (up to 10–20 lbs) such as office supplies or materials. Walking between offices, conference rooms, and common areas. Occasional bending, reaching, or stooping. Ability to maintain stamina throughout a standard 8-hour workday.

Keywords: Thermon, Victoria , Administrator Assistant, Administration, Clerical , Seguin, Texas