Daniel Liam Sayson
I bring hands-on experience supporting large-scale, high-availability infrastructure, with a strong focus on troubleshooting, system reliability, and operational efficiency. In my current role,
I work within hyperscale data center environments where precision, speed, and accountability are critical. I’ve developed a reputation for taking ownership of complex issues, breaking them down methodically, and driving them through resolution while maintaining clear communication across teams.
What sets me apart is not just technical ability, but the mindset I bring to the work. I’m naturally curious and continuously look for ways to improve systems, simplify processes, and make operations more efficient. Whether it’s refining workflows, improving documentation, or identifying patterns in recurring issues,
I focus on leaving systems better than I found them.
I’m especially interested in roles where I can solve complex technical problems while continuing to expand my understanding of cloud technologies, distributed systems, and modern architectures. I’m motivated by opportunities to design, improve, and support systems at scale, while contributing to teams that value ownership, curiosity, and constant improvement.
Professional Experience
Data Center Operations Engineer
Infrastructure & Technical Support Engineer
571-550-5428
danielsayson1@gmail.com
Daniel Sayson
ByteDance (TikTok)
Sterling, Virginia
Supported hyperscale infrastructure across thousands of production servers in high-availability data center environments. Promoted to Tier II based on performance, reliability, and ability to operate in high-impact production scenarios.
Took ownership of diagnosing and resolving complex infrastructure and network incidents in Linux-based production environments, ensuring system reliability and minimizing service disruption.
Executed network operations (NetOps), including switch and router replacements, line card and transceiver (SFP/QSFP) installations, console access, and link failure remediation.
Collaborated cross-functionally with network, infrastructure, and engineering teams to translate complex technical issues into clear, actionable solutions.
Led and contributed to large-scale infrastructure initiatives, including data center decommissioning and GPU diagnostic efforts supporting high-performance workloads.
Performed root cause analysis (RCA) and played a key role in incident response to improve long-term system reliability.
Provided technical leadership and mentorship to junior technicians, leading operational discussions and driving process improvements to enhance team performance and operational efficiency.
2024 — Present
Data Center Operations Technician
ByteDance (TikTok)
Ashburn, Virginia
March 2023 — May 2024
Executed break/fix operations in Linux-based, high-availability production environments, diagnosing hardware failures and performing component-level replacements (NVMe/SSD, HDDs, DIMMs, GPUs, CPUs, PSUs, NICs, RAID controllers, system boards) to maintain system uptime and reliability.
Performed advanced diagnostics using internal tooling to assess system health across disk, memory, GPU, firmware, and network interfaces, executing system recovery procedures and host-level operations including OS reinstalls and configuration updates.
Coordinated with OEM vendors and internal engineering teams (Inventec, Foxconn, Nokia, WayCloud) to validate repairs and ensure successful reintegration of systems into production environments.
Led a large-scale NVMe replacement initiative across ~8,000 drives, executing 1,000+ replacements daily while maintaining accuracy, data integrity, and minimal service disruption in high-density production clusters.
Selected as Team Lead, onboarding and mentoring technicians while serving as a primary point of contact for corporate engineers, delivering site tours, demonstrating operational workflows, and supporting cross-functional collaboration.
Senior IT Technician
Olive Innovative Technology
Sterling, Virginia
Diagnosed and repaired 20+ desktops and laptops daily in a high-volume refurbishment environment, maintaining consistent quality, accuracy, and turnaround efficiency.
Provided Tier 1/Tier 2 technical support by analyzing customer-reported issues, resolving escalations, and clearly communicating solutions via email and ticketing systems to ensure a strong customer experience.
Managed order fulfillment operations while supporting B2B partnerships with local government and business clients (hospitals, police departments, schools), improving turnaround time and maintaining Microsoft, Dell, and Amazon Renewed quality standards.
Maintained detailed documentation of repairs, issue resolutions, and customer interactions to ensure traceability, quality control, and operational consistency across workflows.
May 2021 — March 2023
Supported high-volume refurbishment and technical support operations, combining hands-on hardware repair with customer-facing support and B2B service delivery.
Data Center Technician (Structured Cabling)
Vision Technologies
Northern Virginia Region
Installed, routed, and terminated fiber (LC/MPO) and copper (Cat6/Cat6a) cabling across high-density data center environments, supporting connectivity between servers, switches, and patch panels.
Interpreted and executed rack elevation diagrams and infrastructure build plans to support new deployments, expansions, and structured rack layouts.
Performed cable tracing, testing, and troubleshooting to resolve connectivity issues and ensure network reliability in production environments.