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Location: HQ - Rubí (Barcelona) Start: ASAP Type of Contract: Full Time / Permanent About Submer Submer designs and delivers end-to-end AI datacenter infrastructure built around industry-leading liquid cooling. We help organizations scale AI beyond the limits of traditional datacenters by enabling higher density, greater efficiency and lower environmental impact – accelerating time-to-AI from first deployment to full production. What impact you will have We are seeking a proactive and innovative Senior Automation Engineer to join our dynamic product team. You will be instrumental in designing, implementing, testing and optimizing automated systems to enhance the efficiency and reliability of our products, and enabling mass production. This role is ideal for someone who thrives in a fast-paced environment and is eager to apply their expertise in automation to drive continuous improvement and innovation What you’ll do Electrical, Electronics and Control Design: Develop detailed electrical schematics ensuring safety, energy efficiency, electromagnetic compatibility (EMC), and compliance with applicable standards. Product Development: Collaborate with cross-functional teams in the full product lifecycle (NPI - New Product Introduction, quality assurance), from conceptualization to industrialization. PLC Development: Program and implement control logic using PLC environments for prototyping and custom series. Embedded programming: Develop embedded software for process control. Cost Optimization (BOM): Manage and optimize the Bill of Materials to ensure the electrical design is viable for high-volume manufacturing. Documentation: Develop and maintain detailed documentation, including technical specifications, user manuals, and maintenance procedures. Services support: Diagnose and resolve issues in automated systems to minimize downtime and ensure optimal performance What you’ll need Bachelor’s or Master’s degree in Electronics, Electrical, Mechatronics, Telecommunications Engineering or a related field. Minimum 7 years of experience in product development, automation design, programming, and implementation (e.g. experience over consumer electronics, building automation, automotive industry, IOT devices, illumination, HVAC or measure devices). Experience in PLC languages and knowledge of C for embedded systems. Proficiency in electrical CAD software (EPLAN or AutoCAD Electrical). Experience with industrial communication protocols (e.g., Modbus, OPC UA, CAN, SPI, I2C, etc). Familiarity with mass-market product regulations (CE marking, UL certifications, etc.). Strong problem-solving abilities, excellent communication skills, and the ability to work both independently and collaboratively. Ability to bridge the gap between industrial automation and consumer electronics. Professional fluency in English Nice to have: Hands-on experience working over microcontrollers and DSPs from ST, NXP, Nordic or TI. Pipelines and job automation: Jenkins, Gitlab or Bitbucket runners. Experience over RTOS like Zephyr, FreeRTOS and their toolchain (including Cmake) Experience in high-volume manufacturing environments. What we offer Attractive compensation package reflecting your expertise and experience. Restaurant Pass. Private Health Insurance. Languages classes (English). A healthy work environment with fresh fruits to energise and an on-site gym for active breaks. A great work environment characterized by friendliness, international diversity, flexibility, and a hybrid-friendly approach. You'll be part of a fast-growing scale-up with a mission to make a positive impact, offering an exciting career evolution. Our job titles may span more than one job level. The actual base pay is dependent on a number of factors, such as transferable skills, work experience, business needs and market demands. Our Inclusive Responsibility Submer is committed to creating a diverse and inclusive environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other protected category under applicable law.
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.