First Point Group is partnering with one of our clients to find a highly qualified L3 Technical Support Engineer with solid experience in optical transport networks, particularly on Nokia 1830 PSS (Photonic Service Switch) platforms. The ideal candidate will bring at least 5 years of experience in Level 3 technical support, with a deep understanding of DWDM, GMPLS, and OTN technologies, and a proven ability to perform complex troubleshooting, performance analysis, and coordination across engineering and operations teams. Key Responsibilities: * Provide Level 3 technical support for optical transport network incidents and service interruptions. * Perform advanced configuration and maintenance of Nokia 1830 PSS platforms. * Conduct alarm and fault analysis, implement corrective and preventive actions. * Use NFM-T or similar tools for network performance monitoring and troubleshooting. * Collaborate with engineering, operations, and multi-tier support teams. Required Qualifications: * Bachelor's degree in Telecommunications, Electronics, or related field. * Minimum of 5 years of experience in L3 technical support. * Solid hands-on experience with Nokia 1830 PSS. * Deep knowledge of DWDM, GMPLS, and OTN technologies. * Proficient in NFM-T or other network management platforms. * Strong analytical and problem-solving skills. * Excellent communication skills in Spanish. * English proficiency (Intermediate to Advanced Technical Level). * Must currently reside in Spain. Preferred Certifications: * Nokia Optical Network Certification (ONC) or equivalent. * ITIL Foundation Certification (for incident and change management).