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90,000+ live jobsAfter Sales Engineer in San Sebastián de los Reyes
On-site in San Sebastián de los Reyes·Added 2 days ago (last checked 6 Nov)
119 open roles
Our summary
- Work mode
- On-site, San Sebastián de los Reyes
- English
- Required
- Experience
- 4+ years
- Education
- University degree




Visa options
The ad doesn’t mention sponsorship
Not a refusal, but not a yes. Worth asking in your first message.
Skills
Grupo Oesia is hiring for this role in several places. This vacancy is in San Sebastián de los Reyes.
The role
Our projects become technology that protects, connects and drives strategic sectors forward: our sectors. At Grupo Oesía, we work to ensure that innovation has a real impact, and we are looking for people who want to be part of that challenge.
What you'll do
You will be part of a multidisciplinary team where you will design, develop and integrate technological solutions that become part of high-value projects for our clients.
- Act as the technical point of contact for national and international customers, managing technical queries, complex issues, and technical requirements.
- Lead the integration, configuration, and commissioning of UAV, navigation, and avionics systems on customer platforms.
- Plan and execute test campaigns, demonstrations, and validation flights, ensuring proper system operation and performance.
- Deliver specialized technical training and guidance to national and international operators and integrators.
- Analyze and resolve complex technical issues, performing root cause analysis and coordinating with engineering and product teams to define solutions and improvements.
WHAT ARE WE LOOKING FOR?
- Bachelor's or Master's degree in Aeronautical, Electronic, Computer Engineering, or a related field.
- Approximately 4 years of experience in UAV systems integration, validation, commissioning, and technical support.
- Strong knowledge of UAV systems, avionics, electronics, and HW/SW integration.
- High level of English.
- Availability to travel frequently and carry out field activities.
- Ability to independently diagnose and resolve technical issues, with a proactive and customer-oriented approach.
WHAT WILL YOU FIND AT GRUPO OESÍA?
- Projects with real technological impact.
- Teams where sharing knowledge is part of the job.
- Continuous professional development tailored to each role and individual.
- An environment where engineering and people move forward together.
If you are motivated by new technological challenges and want to be part of projects that make a lasting impact, we would be delighted to meet you.
ABOUT GRUPO OESÍA
Build your career where technology has a purpose. At Grupo Oesía, we develop dual-use digital and industrial engineering projects in strategic sectors, strengthening key capabilities for Spain and Europe through our technology centres and a team of more than 3,800 professionals across Spain, Brussels, Latin America and Asia.
UAV Navigation - Grupo Oesía is our specialist unit for guidance, navigation and control systems for unmanned aerial vehicles: high-performance technology designed for demanding conditions.
Our systems stand out for their robustness and reliability and are integrated into a wide range of UAVs/UAS/RPAS from Tier 1 aerospace manufacturers.
With nearly 50 years of experience, we have developed products and services that already benefit millions of people across healthcare, security and defence, space, telecommunications, finance, logistics and the agri-food sector. But what truly sets us apart are the people who make each of these projects possible.
We want you to reach your full potential. That is why we build professional environments based on equal opportunities, inclusion and recognition of each person's talent. We foster an environment where talent can learn, collaborate and continue to grow, contributing new ideas and developing its full potential. Because innovation happens when different perspectives work towards a shared purpose.
If you are looking for a place to develop your career, take on new challenges and be part of projects with impact, we would love to meet you.
We Engineer It Together.
About Grupo Oesia
Grupo Oesía is a Spanish multinational technology company dedicated to dual-use engineering, developing products and solutions for sectors such as aerospace, defense, cybersecurity, and digital transformation. Founded nearly 50 years ago, it operates in 42 countries across four continents and works through five brands: Oesía Networks, Tecnobit, Cipherbit, UAV Navigation, and Inster. Their core engineering focus spans optronics, tactical and secure communications, satellite communications, simulation, avionics, and space systems.
The company's activities in Spain include a significant engineering and technology presence, with roles spanning AI software, hardware and RF engineering, cybersecurity, project management, and consulting. Their roles highlight a strong focus on defense, space, and critical systems, with explicit opportunities for international professionals, including relocation to Spain. While Spain is a key operational hub, the company's global footprint across 42 countries underscores its international scope. Culture is rooted in innovation and contributing to Spain's technological sovereignty, often making roles attractive to engineering and tech professionals looking for impact in defense and space sectors.
- Industry
- Defence Electronics
- Employees
- Unknown
- Headquarters
- Madrid, Spain
- In Spain
- Madrid
Good to know if you are moving
- Roles with 'Relocation to Spain' in the title suggest the company actively recruits international hires.
- The group is a multinational tech company with projects in 42 countries, providing exposure to international environments.
- Spain is a central hub with roles across Madrid and possibly other locations, offering a gateway to working in Spain.
- Work focuses on defense, space, aerospace, cyber, and satellite communications sectors—high-specialization areas.
- As a 100% privately held Spanish company, it emphasizes sovereignty and national technology development for Spain.
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