Job Requirements
At Quest Global, we believe that engineering has the unique power of solving the problems of today in order to pave the way for tomorrow. That is why, for more than 25 years, we have been developing engi-neering and technology solutions throughout the entire product life cycle, enabling our clients to solve the major challenges they face in the aerospace and defense, automotive, communications, energy, high-tech, railway, and semiconductor sectors.
We operate locally and globally from 18 countries, where we have 78 global delivery centers and more than 20,000 professionals who work with the spirit of doing things differently. In Spain, we are com-prised of more than 800 professionals working from different provinces and our 8 offices in Madrid, Bar-celona, Bilbao, Valladolid, Ferrol, Seville, Cadiz, and Cartagena. Quest Global is a place where our people can truly make a difference. We are passionate about innovation and committed to making the world a better place, pushing boundaries every day to make the impossible, possible.
YOUR RESPONSIBILITIES WILL INCLUDE:
* Design, configure, and integrate SCADA systems, data flows, and interfaces across turbines, substations, RTUs/PLCs, and plant controllers.
* Engineer and validate communications using IEC 61850, Modbus (RTU/TCP), IEC, OPC DA, OPC UA, DNP3, MQTT, GE EGD, and SDI.
* Develop HMI/SCADA graphics, alarms, trends, historian tags, and reporting; implement tag naming standards and data models.
* Plan and implement network architectures for OT environments (segmentation, DMZ, routing, VLANs, firewalls, NAT, redundancy).
* Conduct FAT/SAT, commissioning, and site acceptance, including protocol conformance, performance, and failover testing.
* Troubleshoot complex communications issues (latency, time sync, packet loss, mapping, conversion/gateway issues).
* Implement cybersecurity best practices aligned to IEC 62443/NERC CIP where applicable; harden servers, endpoints, and network devices.
* Produce technical documentation: architecture diagrams, I/O lists, SCL files (for IEC 61850), interface control documents, test plans, and O&M guides.
* Collaborate with OEMs, EPCs, utilities, and system operators; support grid code compliance and remote operations.
WHAT DO WE OFFER YOU?
At Quest Global, we believe in equal opportunities and are committed to maintaining an inclusive and safe environment, ensuring equal opportunities in selection, training, and development in a workplace free from discrimination based on ethnicity, age, nationality, religion, sexual orientation, gender identity or expression, or any other personal, physical, or social circumstance.
At Quest Global you will have:
· Remote work policy and work-life balance plans. Flexible hours and the possibility of hybrid and remote work, depending on the characteristics of the position.
· 23 paid vacation days per year, December 24 and 31 are non-working days.
· A day off for your birthday, to be chosen within your birthday month.
· Flexible compensation plan: private health insurance, restaurant vouchers, transport vouchers, daycare vouchers, etc.
· Individual development plan and access to our learning platform with more than 7,000 courses.
· Corporate Social Responsibility Committee, which is involved in various activities to help disad-vantaged social groups and children as well as activities focused on diversity.
· Team activities: sports, team building, emotional management, annual Quest Global Fest.
Would you like to unleash your full potential with this amazing team?
Apply today and be the difference you want to see in the world
Work Experience
REQUIREMENTS
* Bachelor's degree in Electrical Engineering, Computer Engineering, Automation/Control, or related field (or equivalent experience).
* 5+ years of hands-on SCADA/OT experience in industrial environments integrating PLC/RTU/IEDs and substations.
* Advanced proficiency with the following protocols: o IEC MMS/GOOSE; awareness of SCL: ICD/CID/SCD) o Modbus (RTU and TCP) o IEC IEC 104) o OPC DA and OPC UA o DNP3 (Serial and TCP/IP) o MQTT o GE EGD o SDI
* Strong experience with network analysis and packet capture; proven ability to diagnose protocol and timing issues.
* Solid understanding of Windows Server/Client in OT, virtualization, and basic Linux for tooling.
* Clear, concise technical communication and documentation skills in English