SES Satellites

(Senior) Engineer Thermal Payload meoSphere (Long Beach CA US)

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Long Beach CA USA

Hybrid

110K-150K Annually

Senior level

Aerospace • Digital Media • Information Technology • Internet of Things • Mobile • Software

We do the extraordinary in space to deliver amazing experiences everywhere on Earth.

The Role

As a Thermal Engineer you will design and validate thermal structures for satellite payloads ensuring performance and reliability. Responsibilities include developing thermal control strategies collaborating in agile teams performing thermal analysis and executing testing plans.

Summary Generated by Built In

Senior Engineer Thermal Payload meoSphere
PROGRAMME DESCRIPTION
meoSphere is SES's next-generation Medium Earth Orbit (MEO) satellite constellation designed to deliver secure connectivity services to government agencies enterprises and commercial customers. It will also provide high-speed broadband internet to eliminate global connectivity dead zones.
To accelerate development timelines reduce costs and ensure quality SES is internalizing a critical segment of the satellite supply chain: the final integration of partner satellite platforms with SES's software-defined payloads all within a cutting-edge manufacturing and test facility.
ROLE DESCRIPTION
As a Thermal Engineer you will play a key role in the design analysis and validation of thermal structures and control systems for satellite payloads. Embedded in an agile hardware development team you will ensure thermal performance and reliability throughout the payload lifecycle. You will also lead the planning and execution of thermal testing strategies balancing thorough qualification with efficient production testing.
In your first twelve months you and your team will architect develop test and integrate several high power electronic boxes as well as large space phase array antennas ensuring its accommodation and thermal compatibility at satellite level. Within two years your systems will have flown in space demonstrating cutting-edge thermo-mechanical space designs.
KEY RESPONSIBILITIES

Thermal Design & Architecture

Develop and implement thermal control strategies for payload components and subsystems including passive and active solutions.
Define thermal requirements based on mission profiles environmental constraints and system-level interactions.

Agile Development Support

Collaborate closely with electronics mechanical and systems engineers in iterative design sprints.
Rapidly integrate thermal feedback into design loops to support fast prototyping and testing cycles.

Thermal Analysis & Simulation

Perform thermal modelling and simulations using tools such as ESATAN-TMS Thermal Desktop or ANSYS.
Evaluate temperature distributions heat flows and thermal gradients under launch and orbital conditions.

Test Planning & Execution

Define the thermal test approach for payload development.
Analyze test data and correlate with simulation results to validate thermal models and refine designs.

Reliability & Risk Assessment

Contribute to reliability engineering tasks such as thermal-related FMEAs and fault analysis.
Identify thermal failure modes and propose mitigation strategies to ensure long-term payload performance.

Documentation & Reviews

Prepare thermal design documentation analysis reports and test procedures.
Participate in design reviews and provide expert input on thermal aspects of payload development.

COMPETENCIES QUALIFICATIONS & EXPERIENCE

Degree in Mechanical Engineering Aerospace Engineering or a related field with a focus on thermal systems.
At least 5 years of experience in thermal design and analysis for space systems or high-reliability environments.
Proficiency in thermal simulation tools and familiarity with space-grade materials and thermal interfaces.
Experience with electrical PCBA thermal modelling and thermal interface materials (thermal grease gap pads etc.)
Hands-on experience with thermal testing methods and equipment including TVAC.
Strong analytical skills and ability to work effectively in cross-functional teams.

OTHER KEY REQUIREMENTS

Eligibility for ESA/EU/NATO/National SECRET personnel security clearances. Candidates must be prepared to undergo a security clearance procedure as this position may require holding such clearance is considered an asset.
Able to travel nationally & internationally

The salary range for this full-time position is $110000.00 - $150000.00 + bonus + benefits. Our salary ranges are determined by role level and location. The range displayed on this job posting reflects the target salary for new hires in Torrence California. Within the range individual pay is determined by work location and additional factors including job-related skills experience and relevant education or training. Your recruiter can share more about the specific salary range for your preferred location during the hiring process. We understand market salaries can evolve and we are conscious that sometimes these will be open to review.
SES and its Affiliated Companies are committed to providing fair and equal employment opportunities to all. We are an Equal Opportunity employer and will consider all qualified applicants for employment without regard to race color religion gender pregnancy sex sexual orientation gender identity national origin age genetic information protected veteran status disability or any other basis protected by local state or federal law.
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Top Skills

Ansys

Esatan-Tms

Thermal Desktop

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The Company

HQ: McLean VA

2100 Employees

Year Founded: 1964

What We Do

Intelsat and SES have joined forces uniting 100 years of combined innovation and leadership to create the world’s leading space solutions company. As a newly combined company we bring together talented teams with deep industry expertise to deliver integrated satellite and connectivity solutions for businesses and governments across the globe. With a powerful multi-orbit fleet an expansive ground network and strong financial backing we’re entering an exciting phase of growth investing in next-generation technologies that will enhance our competitive position in the rapidly-evolving satellite communications landscape For future team members this means more opportunity more innovation and more impact. At SES you won’t just join a company—you’ll help shape the future of global connectivity.

Why Work With Us

When it comes to your career you are the author of your own story. At SES we believe you should have the freedom to drive new opportunities in any direction you want them to go – unlimited by geography technology or even gravity.