We launched Long Journey IV. Click here to read all about it!

Skip to Content
Long Journey Ventures
Portfolio
Our Values
Team
Jobs
Stories
Say hello
Long Journey Ventures
Portfolio
Our Values
Team
Jobs
Stories
Say hello
Portfolio
Our Values
Team
Jobs
Stories
Say hello
hero

Embark on a New Journey

Discover career opportunities within our portfolio of magically weird companies
companies
Jobs
Search 
jobs
Explore 
companies
Join talent network
Talent
My job alerts

Control/Automation Engineer

Diamond Foundry

Diamond Foundry

Software Engineering
Zaragoza, Spain
Posted on Mar 7, 2026
Apply now
Diamond Foundry Inc. is solving the thermal limitation at the foundation of today's most exciting tech industries -- AI & cloud compute, electric-car power electronics, and 5G/6G wireless. We have managed to produce the world's first single-crystal diamond wafers and are now on a mission to put a diamond behind every chip. We are the rare unicorn that has grown fast and profitably. We received $515m in funding and are executing a multi-$B expansion plan for one of the greenest forms of tech manufacturing: converting greenhouse gas into diamond wafers using zero-emission energy.
We are looking for a Control/Automation Engineer who will be primarily focused on the hands-on maintenance, repair, and optimization of the complex electrical, control, and automation systems and high-precision equipment used in diamond wafer manufacturing and production. This role involves extensive, hands-on troubleshooting, optimizing existing control logic, and collaborating with cross-functional teams to ensure equipment reliability and performance. This position is based in Zaragoza, Spain with occasional travel to other worldwide Diamond Foundry locations.

Responsibilities

  • Perform hands-on maintenance, repair, and advanced troubleshooting of complex electrical, control, and automation systems, including inspection tools, CNC lasers, and parts-handlers. Ensure high equipment uptime and reliability.
  • Optimize and fine-tune existing control logic and high-precision equipment settings to maximize performance and minimize operator interaction time.
  • Work with the US automation control team to support upgrades and system modifications, providing field expertise and feedback on design and implementation.
  • Write and maintain clear technical documentation for equipment use and troubleshooting procedures, and train and support technicians on correct operational procedures.
  • Collaborate with cross-functional teams to source system components from vendors and support procurement efforts for repair and maintenance.

Requirements

  • Bachelor's or Master’s Degree in electrical/computer engineering or a similar engineering discipline with 3+ years of engineering experience.
  • Proven hands-on experience with electrical, software, and/or mechanical systems in a manufacturing environment. Knowledge of programmable logic controllers (e.g., Siemens PLC programming) and motion control systems, industrial vision systems
  • Experience with SCADA systems (e.g., Inductive Automation Ignition) and industrial networking protocols (e.g., TCP/IP, MQTT, IIoT, Modbus, RS232, ProfiNet, IO-Link). Familiarity with programming languages like Python and C++/C, and robotic systems.
  • Familiarity with high-volume manufacturing processes or quality control systems. Ability to work cross-functionally, building and maintaining trust with internal stakeholders.
  • Fluent in English and Spanish with strong communication skills, effective at communicating technical data to audiences of all experience levels.
Diamond Foundry believes in supporting our employees from the workplace to their personal and home life. We provide eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Perks include employee discounts to VRAI. All benefits offered are available starting your first day.
Diamond Foundry is an Equal Opportunity Employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, age, disability, veteran status, or any other protected factor under federal, state or local law.

45000 - 60000 EUR a year

Apply now
See more open positions at Diamond Foundry
Privacy policyCookie policy
 

Bellwethers welcome.

Say hello

© 2025 Long Journey.