Efrain Núñez
@efrainnez
Technical Support and Network Administration professional specializing in troubleshooting hardware, networking, and software issues.
SpainWhat I'm looking for
I’m a technician specializing in network computer system administration, focused on diagnosing and resolving hardware, networking, and software issues. In help desk environments, I deliver technical support with clear communication to ensure customer satisfaction, and I’m comfortable working across phone, chat, and email.
At Lionbridge, I reduced average call handling time by 10% through process optimization while maintaining high interpretation accuracy, and I improved performance by tackling VoIP troubleshooting (reducing dropped calls by 20% over six months).
At Teleperformance, I resolved 40–50 technical support cases daily with a 92% first-call resolution rate, consistently achieved 95%+ customer satisfaction scores, and streamlined workflows by reducing escalation time by 30% using Jira.
Experience
Work history, roles, and key accomplishments
Reduced average call handling time by 10% through process optimization while maintaining high interpretation accuracy. Assisted with VoIP troubleshooting and translated professional documents, collecting client feedback to improve protocols and satisfaction.
Resolved 40–50 technical support cases daily with a 92% first-call resolution rate, consistently achieving customer satisfaction scores above 95%. Increased weekly ticket resolution volume by 15% after implementing a troubleshooting checklist, and reduced escalation time by 30% by streamlining the escalation workflow with the IT team.
Education
Degrees, certifications, and relevant coursework
Planeta FP
Network Administration in Computer Science, Network Administration in Computer Science
Completed a program in Network Administration in Computer Science at Planeta FP.
Coderhouse
Backend Programming, Backend Programming
Completed Backend Programming education at Coderhouse.
EducaciónIT
Software Testing QA Manual, Software Testing QA Manual
Completed Software Testing QA Manual education at EducaciónIT.
Venezuelan American Center (CVA)
English, English
Completed an English program at the Venezuelan American Center (CVA).
Availability
Location
SpainAuthorized to work in
Job categories
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