Mechanical Design Engineer

Mechanical Design Engineer - Space Laser Communications
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Transcelestial’s vision is to improve the connectivity experience for the next billion people. We believe that connectivity is a human right and Transcelestial is on a mission to solve the problem of internet distribution and provide affordable, high-speed internet to everyone.
Transcelestial’s next-generation wireless laser communication technology is one of the most effective solutions in the distribution of high-quality, high-speed internet connectivity, making it well-poised to solve civilization’s long-term communication needs - and ultimately improve connectivity for 1 billion users globally.
Highly reliable and secure, its light-weight, shoe-box sized
CENTAURI
device leverages its proprietary laser technology to create a wireless distribution network and can be quickly, easily and cost-effectively installed on any standard telecom pole or tower at a faster time-to-market than standard fiber-optic cable.
Over the longer-term, Transcelestial aims to develop a constellation of small satellites positioned in Low Earth Orbit, allowing their laser network to not only beam across cities but upwards to connect continents across the world too.
Our values
Lean & Simple.
Our products are simple to use, we focus on what matters, we solve issues one by one and we spend smart.
Approachable.
Whoever you are, wherever you come from, don’t be shy The best ideas can come from anywhere in the organisation.
Supportive.
We are a bunch of smart individuals delivering at their best working in teams. If you face an issue, you can be sure someone will jump in and help you.
End user obsessed.
Customers and end users are at the core of everything we do.
Relentless innovators.
Our technology is at the forefront of innovation. We are curious, we question everything, we love research and are passionate about the next big thing.
Join our team if you want to define the rules of how our civilisation communicates
Mechanical Design Engineer - Space Laser Communications
The Mechanical Design Engineer at Transcelestial is responsible for the systems development for a novel, miniature space-based laser communication terminal. This position is part of the Space & Defense Team, led by Dr. Jan Smisek. This position will also interact with the hardware, manufacturing and software design teams to assist with the overall development of the optical systems and new optical alignment technologies.
Responsibilities :
Mechanical & Thermal Engineering – Design and validate payload structures and interfaces through CAD modeling, vibration analysis, and thermal simulations to ensure performance and survivability in launch and space environments.
Performance & Structural Analysis – Define and evaluate the mechanical and thermal architectures of laser communication terminals, focusing on pointing stability, structural robustness, and thermal control to meet mission requirements.
Assembly, Integration & Test (AIT) – Develop and execute AIT plans and procedures, conduct environmental qualification campaigns (vibration, shock, thermal vacuum), and oversee integration of laser communication terminals into host spacecraft.
What you will bring
Real experience with launching satellite platforms in space.
Degree in Aerospace, Mechanical, or Electrical Engineering, or equivalent work experience.
2+ years of mechanical design and analysis engineering experience, in satellite missions.
Strong background in mechanical design, vibration analysis, and thermal simulations, strongly applied to optical or space payloads.
Experience with CAD tools (e.g., SolidWorks, CATIA) for structural design for space platforms and interface development.
Strong Communication Skills including proven ability to work autonomously while collaborating in international, multidisciplinary teams.
Strong general technical, documentation, and time management skills with a deep desire to fix things and optimize solutions.
It is a bonus if you have
Full lifecycle experience on a satellite mission or space optical payload.
Satellite or optical payload assembly, integration, and test (AIT) experience.
Knowledge of spacecraft subsystems and ability to translate requirements into engineering solutions.
Expertise in one or more of the following: AOCS/GNC, optics, mechanical design, electronics for space, control engineering, or signal processing.
Proficiency with tools such as SolidWorks, Ansys, Onshape, Zemax, LTspice, Python.
Experience working in a high-growth or startup environment.
Our Hiring Process and what to expect
30 min call with our technical recruitment team to get a feel for the role and to make sure your objectives and ours are aligned.
30-60 min video/in-person interview with the Hiring Manager of the role, so you can understand the role, the team, your future manager better.
A technical skills assessment (Time varies).
60 min in-person Team Fit interviews with at least 2 members of the team to get to know your future teammates.
What’s in it for you
A competitive salary and stock options package
Macbook laptop
Unlimited Annual Leave
Comprehensive and top-tier health plans
Daily lunch allowance in office
Join Us
You should include in your application
Your CV, and/or LinkedIn page
Links to your projects, portfolio, or other work which demonstrate your qualifications
Email us at if you have questions.
Thank you for your interest in joining Transcelestial. We cannot wait to meet you
Transcelestial has won numerous industry and global awards including the SPIFFY San Andreas Award for Most Disruptive Technology, Forbes 30 Under 30, and other recognitions. Founded in Dec 2016, the Transcelestial team is located in Singapore and is backed by major investors.
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Industries: Aviation and Aerospace Component Manufacturing and Computers and Electronics Manufacturing
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