ISS / UNITED STATES
International Space Station
Program Manager for the Design & Development of Valves for the ISS Ammonia Service Module.
About Us
Engineering for the edge of possibility.
RDI brings technical depth, precision execution, and adaptable thinking to systems where pressure, purity, reliability, and mission success cannot be compromised.
01
RDI since 1997
About RDI Engineering History
Engineering experience built through product design, analysis, and program management.
RDI Engineering was established in 1997 by its founder, Ardi Rashidi, providing Product Design, Engineering Analysis, and Program Management during the early years of building the historic International Space Station (ISS), in collaboration with the international community partnering with the United States of America.
RDI / WORK EXPERIENCE
45 years of engineering and business experience as of 2026.
RDI Engineering's history reflects experience across thermal-system design, flight instrumentation, depth-sensing and pressure-measurement systems, engineering leadership, and manufacturing.
- Thermal System Design Engineer — Induction & Vacuum Heat-Treating System Design
- Flight Instrumentation — Navy MK-50 Depth Sensors & Pressure Measurement Sensors
- Business Owner, RDI Engineering — 29 years as of 2026
- Business Owner, RDI Manufacturing Company — 11 years as of 2026
1997
RDI Engineering established
45
Years of work experience as of 2026
29
Years as owner of RDI Engineering
11
Years as owner of RDI Manufacturing
RDI Engineering / Led & Managed Programs
Engineering leadership across spaceflight, launch vehicles, and energy systems.
RDI Engineering's history includes program management, design, and development work supporting the International Space Station, Japanese MHI launch vehicles, and Canada's CANDU reactor systems.
JAXA / MHI JAPAN
Japanese MHI Launch Vehicles
Safety Valves for Japanese MHI Launch Vehicles.
CANDU / CANADA
Canada CANDU Reactor
Design & Development of High Performance Mechanical Seals to prevent neutron-rich heavy-water leakage during the refueling process.
RDI History / Design Contributions
Engineering contributions that helped define specialized systems.
A compact technical gallery keeps the historical work legible and consistent with the current site rather than presenting full client pages as raw images.
H-01 / TINKER AFB
Vacuum Furnace System Design
System design installed at Tinker AFB, Oklahoma City.
H-02 / PATENTED DESIGN
Movable Hot Zone Vacuum Furnace
Patented movable hot zone vacuum furnace system design.
H-03 / NAVY
MK-50 ALWT Torpedo Depth Sensors
Depth-sensor and pressure-measurement engineering work for the Navy MK-50 program.
ARDISHIR RASHIDI / PATENTS
View patent record
Selected design and pressure-system patents
Selected public patent records include Vacuum furnace with movable hot zone (US 5,524,020), Snap open pressure relief valve (US 6,250,329), and Pressure sensing device (US 6,550,338).
QUALITY / AS9100D
Quality system
RDI AS9100D Certificate
RDI’s AS9100D certification is presented as part of the company’s commitment to controlled processes, technical traceability, and disciplined execution for demanding aerospace and engineering programs.
- Quality-focused engineering processes
- Controlled technical documentation
- Traceability across design, manufacturing, and validation
RDI / VISION
RDI Vision for the Future
Tree of Life in Space
The “Tree of Life in Space” concept gives RDI a future-facing platform for connecting its engineering heritage with long-duration exploration and the precision systems required to support activity beyond Earth.
Start the engineering conversation
Bring us the requirement. We’ll help define the right engineering path.
Start with the application, environment, performance target, or technical risk. RDI will help turn it into a practical next step.