Available to hire
Hi, I’m Luis Eduardo Serrano Bernal. I am a Streaming/Broadcast Engineer with over 12 years of experience supporting live and on-demand video platforms across enterprise, broadcast, and OTT environments. I excel in operational support, incident management, and troubleshooting complex streaming, encoding, and delivery issues under time-sensitive conditions.
I have a track record of delivering high-availability services, ensuring QoS/QoE, and collaborating with vendors, CDNs, and cross-functional teams to keep video delivery running 24/7. I enjoy mentoring teammates and optimizing workflows to improve reliability and efficiency.
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Language
English
Fluent
Spanish; Castilian
Fluent
Work Experience
Streaming Media Engineer at Univision
November 1, 2022 - October 1, 2025Streaming Media Engineer for DigiOps Colombia. Maintained 99.5%+ uptime across large-scale streaming, supporting 500+ live sports events annually and 5,000+ hours of streaming. Resolved complex encoding, playback, delivery, and network incidents as a technical escalation point, sustaining 95%+ SLA compliance in time-critical broadcast/OTT environments. Designed and optimized streaming workflows, encoders, contribution links, players, and CDN integrations; managed incident lifecycles through Jira with vendors and CDNs; monitored 100+ SVOD/VOD channels in real time.
Broadcast Operations Engineer at Freelancer
May 1, 2018 - June 1, 2025Provided end-to-end broadcast operations for esports, gaming, and entertainment across multiple platforms. Achieved 97.8%+ stream uptime, managed 6,500+ hours of live content, and resolved 500+ real-time incidents, minimizing downtime. Maintained upstream signal quality (>98% error-free contributions), supported simulcast, and reduced incident recovery time to 1–5 minutes. Optimized encoding and streaming configurations for 30–40% improvements in stability and bitrate. Implemented proactive monitoring, reducing recurring failures by 25–35%, and designed 50+ OBS Studio production elements.
Customer Support Engineer at Blackboard
June 1, 2019 - November 1, 2022L2 technical support for Blackboard software platforms; managed SQL/Oracle queries, authentication issues, and case tracking (Salesforce/Jira).
IT Operations Analyst at Schlumberger
November 1, 2018 - June 1, 2019Supported system deployments (Windows, Ubuntu, mobile), user access, VoIP, and endpoint security.
NOC Engineer Lv2 at Tellza
June 1, 2016 - November 1, 2018Monitored SIP/VoIP traffic, performed stress tests, and resolved application-layer routing issues.
NOC Engineer Lv1 at Telintel
June 1, 2014 - June 1, 2016Configured Cisco devices and monitored network routing.
Officer at Colombian Army
July 1, 2004 - November 1, 2010Led operations, training programs, and logistics; managed teams in field and administrative roles.
Education
Electronic Engineering (Telecommunications emphasis) at Pontificia Universidad Javeriana
January 1, 2010 - January 1, 2014Qualifications
Industry Experience
Media & Entertainment, Software & Internet, Telecommunications
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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