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Systems Engineer I in Seminole

Job DescriptionJob DescriptionDescription:

At ACE Thermal Systems, we design, engineer, manufacture, and support high-performance environmental control systems (ECS) and components for extreme temperature and operating conditions and reliable everyday use.

As your single source, dedicated supplier for bleed air systems, air conditioning systems, cabin pressure control systems, components, and more, the ACE team acts as a key extension of your team, providing intelligent innovation and proven design methodologies to deliver safe, reliable, air control technologies and systems for aircraft.

Our mission is to be the trusted source of mission critical products and services for Aerospace and Defense customers. We do this by exceeding customer expectations through innovative products and processes. We are committed to fostering a dynamic, collaborative environment that encourages professional growth and innovation.

Position Summary:

As a Systems Engineer at ACE Thermal Systems, you’ll work directly with customers, and be responsible for understanding, guiding and defining requirements for the system. You’ll partner with component designers, electrical, software, and mechanical engineers to make sure every part of the system is working together. You’ll not only set requirements, but you’ll get to do the testing too.

Systems Engineers carry out the development lifecycle of environmental control systems and sustain existing systems for aerospace applications. Then you’ll coordinate with internal component, electrical, and software engineering teams, and with customers. Responsibilities include:

  • Develop and document system requirements, thermal sizing, interface control, operating logics, and test activities.
  • Create system requirements to align with customer specifications such as thermal performance, allocated power, space and weight constraints, etc.
  • Develop system requirements documentation to feed into components, electrical, and software design.
  • Prepare qualification plans for new systems to show compliance with aerospace industry standards such as RTCA/DO-160.
  • Create system description documentation including diagrams that define layout, function, and communication interfaces.
  • Generate FMECA to support safety assessments.
  • Develop system models, simulations, and analysis to support design and validation.
  • Design, coordinate, and execute system tests for development and verification.
  • Support qualification test programs and review of qualification documents.
  • Collaborate with components, electrical, and software engineering teams on design and implementation activities.
  • Develop and maintain technical manuals for systems such as maintenance or repair instructions.
  • Interface with customers in technical-focused meetings.
  • Assist the production team with the introduction of new systems and maintenance of existing systems.
  • Support customers and operators in the field by troubleshooting and helping resolve technical issues.

Requirements:

Required Qualifications:

  • B.S. in Mechanical Engineering, Aerospace Engineering, or equivalent from a recognized institution.
  • 0-4 years’ experience in Systems Engineer, Thermal Systems, Thermal Dynamics, preferably in aerospace.
  • Technical proficiency in thermodynamics and fluid dynamics.
  • Experience with engineering requirements management interfaces, developing CFD models for simulation, developing numerical models and simulations, and knowledge of industry environmental qualification standards is a plus.
  • Experience with and solid understanding of SolidWorks, AutoDesk Inventor, AutoCad .
  • Proficiency with Microsoft Office applications (Excel, Word, PowerPoint)

To perform this job successfully an individual must be able to perform each essential duty satisfactorily. The requirements listed are representative of the knowledge, skill and/or ability required. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

Application Deadline: The position will remain open until filled.

Benefits:

We offer a comprehensive benefits package that includes medical, dental, and vision coverage; a 401(k) plan with company match; paid time off (including vacation and company holidays); life and insurance; and an employee assistance program. Employees may also be eligible for professional development support, and wellness initiatives. Benefits eligibility and offerings may vary based on position, location, and length of employment.

EEO Summary:

We are an equal opportunity employer and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to , , , (including , , and ), , , , genetic information, veteran status, or any other status protected by applicable federal, state, or local laws.

We are committed to providing reasonable accommodation for individuals with disabilities throughout the application and employment process. If you require assistance or accommodation, please contact us.

Systems Engineer I in Seminole

Seminole, TX 79360
Full time

Published on 05/06/2026

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