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Added 10 mins ago
LA
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Added 3 hours ago
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Astrobase Space Technologies

Bearing & Seal Design Engineer – Rocket Turbopumps

Burlington, ON, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Dec 3, 2026
Posting language: English
Posted: Nov 3, 2026

Original job description

ABOUT ASTROBASE SPACE TECHNOLOGIES Astrobase is a pioneering spacetech startup founded by prominent Senior ISRO scientists and IIT Bombay alumni with over 20 years of experience in designing, manufacturing, testing and flying advanced Cryogenic Launch Vehicles. Driven by a vision to make India a Space tech powerhouse, we are developing innovative launch vehicles that will transform space exploration. At Astrobase, you’ll be part of a team creating history in the Indian space industry. Our goal is to become the first private space company from India to land on the moon economically.

About The Role

As Bearing & Seal Design Engineer, you will own the bearings and dynamic seals of our liquid rocket engine turbopumps, from design and seal stability studies through to assembly, test and post-test inspection.

Key Responsibilities

Select and design bearings (rolling-element, hydrostatic or fluid-film), including preload, fits, propellant cooling and life.
Design dynamic seals (labyrinth, floating-ring, face, lift-off and inter-propellant seals) and predict leakage.
Study seal instability: assess seal whirl, cross-coupled forces, floating-ring lock up and seal face flutter, and design features that keep seals stable across the operating range.
Define bearing and seal clearances, accounting for cryogenic contraction, thermal growth and centrifugal growth.
Write bearing and seal assembly procedures, covering fits, installation methods, preload setting, torque and cleanliness.
Support turbopump assembly: verify bearing and seal installation, preload and clearances, and resolve assembly non-conformances.
Inspect bearings and seals after test, find root causes of wear, leakage or damage, and drive design and assembly improvements.
Present bearing and seal designs at the PDR, TDR and VDR and get clearance, and work with bearing and seal suppliers.

Requirements

B.E./B.Tech or M.E./M.Tech in Mechanical or Aerospace Engineering.
2–5 years designing or assembling bearings or seals for high-speed rotating machinery.
Knowledge of bearing selection and life, DN limits, contact stress, lubrication and cooling.
Understanding of seal design, leakage prediction and seal instability mechanisms. 5. Hands-on knowledge of assembly practices: fits, shrink and press fits, preload measurement and contamination control.
Python or MATLAB for engineering calculations; CAD with GD&T.

GOOD TO HAVE

Cryogenic or propellant-cooled bearing and seal experience.
Seal leakage or seal stability testing.
Experience working with bearing and seal suppliers.

WORK ENVIRONMENT

This role is part of the Turbomachinery Department. It is mainly office-based design work, with occasional travel to the factory and test facility for assembly and testing.

WHY WORK WITH US?

At Astrobase, we believe in the power of human ingenuity and collaboration to push the boundaries of space exploration. As a team member, you’ll be

Creating History: Join us in developing cutting-edge launch vehicles, playing a pivotal role in transforming space access and shaping the future of space exploration.
Collaborating with Experts: Work alongside ISRO scientists and industry veterans with decades of experience in designing India’s iconic space missions like Chandrayaan 3
Growth Opportunities: As Astrobase scales, you’ll have the chance to take on leadership roles and be part of an expanding organization driving change in the Indian space sector.
Pioneering Space Technology: Your contributions will not only impact Astrobase but also influence the global space ecosystem. Be part of something larger than yourself.

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More about this job

Responsibilities

Design and analyze bearings and dynamic seals for liquid rocket engine turbopumps, including life, leakage, stability, clearances, and cryogenic and thermal effects. Support assembly and testing, investigate post-test wear or damage, improve designs and procedures, and present designs at project reviews while coordinating with suppliers.

Requirements

Requires a bachelor's or master's degree in Mechanical or Aerospace Engineering and 2–5 years of experience designing or assembling bearings or seals for high-speed rotating machinery. Candidates should understand bearing and seal design, leakage and instability, hands-on assembly practices, Python or MATLAB, and CAD with GD&T.

Skills

Bearing Selection And Design
Dynamic Seal Design
Bearing Life Analysis
Lubrication And Cooling
Leakage Prediction
Seal Stability Analysis
Clearance Analysis
Cryogenic Contraction And Thermal Growth
Bearing And Seal Assembly
Preload Measurement
Contamination Control
Root Cause Analysis
Python
MATLAB
CAD
GD&T

Visa sponsorship

Not detected in the job text

Keywords

Rocket Turbopumps
Liquid Rocket Engines
Rolling-Element Bearings
Hydrostatic Bearings
Fluid-Film Bearings
Bearing Preload
Bearing Life
DN Limits
Contact Stress
Propellant Cooling
Dynamic Seals
Labyrinth Seals
Floating-Ring Seals
Face Seals
Lift-Off Seals
Inter-Propellant Seals
Leakage Prediction
Seal Whirl
Cross-Coupled Forces
Seal Face Flutter
Cryogenic Contraction
Thermal Growth
Centrifugal Growth
Shrink Fits
Press Fits
Contamination Control
Python
MATLAB
CAD
GD&T

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