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Thermal Engineering International

Turnkey heat transfer equipment provider

Senior Administrative Assistant

Full-TimeUpdated on 10/23/2026
$75k - $85k/yr
Senior
Bachelor's, Associate's
La Palma, CA, USA
In Person
Administrative & Executive AssistanceExecutive Support

About the job

Requirements
  • Five or more years of administrative or executive support experience.
  • Experience supporting senior- or executive-level leadership.
  • Strong organizational, communication, and interpersonal skills.
  • Ability to prioritize multiple tasks and work effectively across functions.
  • Strong judgment, attention to detail, and follow-through.
  • Ability to maintain strict confidentiality when handling sensitive business and personnel information.
  • Flexibility to adjust work hours based on business needs and availability to respond to urgent or time-sensitive matters.
  • Advanced proficiency in Microsoft Excel, Word, and PowerPoint.
Responsibilities
  • Manage executive calendars, meetings, priorities, and follow-up activities.
  • Prepare correspondence, reports, presentations, meeting materials, and expense reports.
  • Coordinate domestic and international travel arrangements.
  • Serve as a point of contact for internal and external stakeholders.
  • Maintain confidential and sensitive information with discretion.
  • Support meetings, company events, special projects, and general administrative activities.
  • Process invoices, maintain files and records, and track required signatures and agreements.
  • Prepare weekly operational, sales, and financial reports for leadership review.
  • Support Capital Appropriation Requests (CARs), NDAs, and confidentiality agreements as required.
  • Provide administrative support to the COO, assist with office operations and cross-functional needs, and coordinate weekly and recurring reports.
Desired Qualifications
  • Associate’s or Bachelor’s degree in Business Administration or a related field.
  • Experience within a manufacturing, engineering, or related industrial environment.
  • Prior senior administrative experience supporting a department or functional team.

About the company

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Thermal Engineering International

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TEi designs, manufactures, and services heat transfer equipment for power generation and industrial processing. It offers turnkey engineering, design, manufacturing, installation, and aftermarket support as a single point of contact for complex projects. Its product lineup includes surface condensers, feedwater heaters, moisture separator reheaters, heat exchangers, and equipment for combined cycle plants, nuclear, solar, petrochemical fired heaters, and waste heat boilers, with engineering in California, manufacturing in Missouri, and a global network of licensed fabrication partners under the Babcock Power umbrella. The goal is to provide reliable, efficient thermal solutions that support plants through their lifecycle, including upgrades and maintenance across fossil, nuclear, solar, and petrochemical markets.

Company Size

201-500

Company Stage

N/A

Total Funding

N/A

Headquarters

La Palma, California

Founded

N/A

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Simplify's Take

What believers are saying

  • On January 30, 2026, TEi opened a Pennsylvania office for nuclear growth.
  • NANO Nuclear signed TEi on January 30, 2025 for ODIN microreactor heat exchangers.
  • TEi still markets condensers, feedwater heaters, MSRs, and auxiliary heat exchangers in 2026.

What critics are saying

  • Babcock & Wilcox faces 2026 investor lawsuits over a disputed $2.4 billion power contract.
  • TEi’s 2025 NANO contract depends on microreactor licensing, procurement, and eventual fabrication milestones.
  • A failed nuclear commercialization cycle would starve TEi’s growth pipeline by 2027.

What makes Thermal Engineering International unique

  • TEi combines design, fabrication, installation, and aftermarket service for complex heat-transfer systems.
  • Its Joplin, Missouri plant and La Palma engineering base support custom nuclear work.
  • TEi’s century-old brands and installed base create switching costs in power generation.

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