Thermal Engineer at MBRYONICS – Galway, Galway

About MBRYONICS

MBRYONICS is at the forefront of free space optical communications. Our product portfolio covers a wide range of emerging technologies from photonic integrated circuits to advanced optical systems and embedded software solutions. Our optical communications systems are integrated and deployed in satellite communications systems. The work is exciting and challenging and is at the forefront of the technology domains. As part of our expansion, we are currently looking for a suitably motivated - Thermal Engineer - to join our group.

What you'll do

• Support structural, thermal, and optomechanical performance (STOP) analysis tasks for spaceborne optical communication systems.
• Assist in developing and running analysis workflows to evaluate active and passive thermal control systems on orbit.
• Carry out finite element analysis (FEA) and thermal simulations using tools such as Simcenter 3D – Space Systems Thermal, Thermal Desktop, Thermica, or equivalent, with guidance from senior engineers.
• Help integrate structural and thermal results into optical performance models (e.g., Zemax OpticStudio, SigFit).
• Support environmental testing (thermal vacuum), including setup, data collection, and basic correlation to predictive models.
• Prepare and maintain technical documentation, analysis reports, and verification records in accordance with applicable standards.
• Work with senior mechanical, optical, electrical, and systems engineers to implement design changes and resolve technical issues.
• Learn and apply relevant space industry standards (ECSS, MIL-STD) for mechanical and thermal qualification.
• Contribute to continuous improvement of analysis methods, modelling workflows, and cross-domain integration.

Who you are

• 2+ years of mechanical, aerospace, optical, or related engineering field.
• B.Eng/M.Eng/Ph.D in Mechanical, Optical, Aerospace Engineering or relevant field
• Advanced understanding of thermal analysis (conductive, radiative, transient).
• Some familiarity with optomechanical design principles and how mechanical/thermal loads can affect optical alignment.
• Prior exposure to space thermal simulation software.
• Strong problem-solving skills and willingness to learn in a multidisciplinary environment.
• Good written and verbal communication skills for reporting and teamwork.

Desirable Requirements/Technical Skills/Education:

• Familiarity with Simcenter Space Systems Thermal.
• Experience with TVAC testing.
• Knowledge of materials used for structural and thermal stability (e.g., Invar, aluminium alloys, CFRP).
• Extensive knowledge of spacecraft thermal control methods (e.g., coatings, MLI, interface design).
• Interest in the space or photonics industry and willingness to develop skills in these areas.

What's in it for you

Career Growth: Contribute to a world-class space-age communication program while developing your leadership skills in a state-of-the-art manufacturing environment

Collaboration: Work with talented professionals across disciplines to drive impactful solutions

Innovation: Be part of a team pioneering advancements in manufacturing engineering for cutting-edge FSO systems

Work-Life Balance: Enjoy flexible work schedules and a comprehensive benefits package

If you're ready to take your career to new heights and drive the future of space-age communication, apply now and join the MBRYONICS team as our Thermal Engineer.

Diversity, Inclusion and Equal Opportunities

Core ethical values, diversity and inclusion are invaluable to MBRYONICS’ business success. We recognise that the broad perspectives that result from recruiting, developing and retaining a globally diverse workforce promotes innovation and helps us succeed as a business enterprise. It is the policy and practice of the Company to provide equal opportunities to all employees and applicants. The Company will not tolerate discrimination on the basis of gender, race, religion, sexual orientation, gender identity, civil status, family status, disability, age, or membership of the Traveller community.