.ARQUIMEA , we are a technology company operating globally and providing innovate solutions and products in highly demanding sectors. Our areas of activity are Aerospace, Defense Security, Big Science, Biotechnology and Fintech. ARQUIMEA Research Center (ARC) , part of ARQUIMEA , was born in 2019 with the aim of inventing the technologies of tomorrow. An environment of innovation and excellence at European level from which senior and junior researchers from around the world develop disruptive technologies and business models that will serve as an engine of socio-economic growth in the medium and long term. We are looking for an Optical Communications Engineer to design, develop, and optimize advanced optical communication systems for high-speed data transmission. Tasks to be performed: Design and implement free-space optical communication systems, including transmitters, receivers, and optical amplifiers. Develop simulation models to predict system performance and optimize design parameters. Conduct experimental tests and evaluations to validate system designs and ensure performance standards are met. Collaborate with cross-functional teams to integrate optical components with electronic and software systems. Troubleshoot and resolve issues related to optical signal integrity, noise, and loss. Document design processes, test results, and technical specifications for future reference and regulatory compliance. Stay updated with the latest advancements in optical communication technologies and incorporate relevant innovations into projects. Required qualifications, experience, and candidate profile: MSc or PhD. degree in Physics, Engineering, or a related field with a specialization in Optical Communications. Proficiency in optical communication theory and free-space optics technology. Experience with optical modulation techniques and coherent optics. Familiarity with optics and photonic components like lasers, photodetectors, and optical amplifiers as well as beam steering technologies and techniques. Strong background in simulation tools such as VPIphotonics, OptiSystem , or similar. Hands-on experience with optical test equipment like optical spectrum analyzers, BER testers, VNAs and OTDR. Understanding of resilience towards optical threats, including mitigation strategies for physical layer attacks and system vulnerabilities. Knowledge of signal processing algorithms for optical communications. Expertise in complementary fields such as quantum communications and satellite communications would be highly valuable. Excellent problem-solving skills and the ability to work in a collaborative team environment. Strong proficiency in English. Think Big, Do the Job Enjoy Life At ARQUIMEA, we value diversity and inclusion. We do not discriminate on the basis of race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, or other protected factors by law