Steven Thielen

Accomplished Senior Systems Technician and Cable Splicing expert with a distinguished 26-year career at AT&T. Expert in the installation, maintenance, and remediation of complex fiber optic and copper networks, with proven resilience performing high-precision technical work in year-round, all-weather field conditions. Distinguished leader in workload optimization and crew scheduling, consistently maintaining high network reliability and a zero-accident safety record.

Highly experienced in centralizing the procurement and management of specialized tools and materials to ensure 100% operational readiness for large-scale field deployments.

Senior Systems Technician / Cable Splicing Technician at AT&T (2000-08 – 2026-06)

• Orchestrated daily crew scheduling and dispatching based on real-time workload requirements, optimizing resource allocation to ensure 100% adherence to project timelines and Service Level Agreements (SLAs).
• Centralized and managed the procurement of specialized tools and materials for multiple field crews, maintaining a precise inventory system that eliminated project delays caused by equipment shortages.
• Spearheaded large-scale fiber optic and broadband network installations for residential and commercial clients, ensuring 98%+ first-time quality acceptance.
• Executed precision fusion splicing on high-capacity fiber links (Loose Tube and Ribbon), consistently achieving less than 0.02dB loss.
• Diagnosed and Resolved complex Layer 1 and Layer 2 connectivity issues using OTDR and RF Signal Analyzers, reducing repeat service calls by 15%.
• Oversaw the installation and maintenance of diverse communication lines including Analog, DS1, DS3, Ethernet, and Sonet.
• Modernized legacy copper infrastructure by transitioning key sectors to high-speed fiber-optic networks, enhancing data transmission speeds by up to 55%.
• Maintained a zero-accident safety record over 26 years by strictly adhering to OSHA regulations, Fall Protection protocols, and Lockout/Tagout (LOTO) procedures.
• Collaborated with engineering teams to troubleshoot and repair major network outages, restoring service within strict Service Level Agreement (SLA) targets.
• Mentored and Trained junior technicians on advanced cable splicing techniques (environments include: aerial, underground, manholes and vaults), equipment calibration: Fujikura 90R Ribbon Fiber Fusion Splicer, and AT&T-Specific Operational Standards including fiber optic fault locating and repair in classroom and field-training