David Chen is a Senior Data Engineer focused on constructing high-throughput, fault-tolerant data pipelines and real-time streaming architectures. Drawing on extensive experience with Kafka and distributed databases, he builds resilient data platforms that guarantee data integrity and query performance at enterprise scale.
PUBLISHED PLAYBOOKS
16
PUBLICATION
OPS PLAYBOOK
PRIMARY FOCUS AREAS
Learn how to implement safe change control for AWS Lambda. Use isolated environments, explicit validation, and rollback strategies to reduce deployment risk.
A structured, evidence-based method for choosing between Kandji, Jamf and other macOS MDM platforms using bounded pilots and measurable rubrics.
A bounded Bash automation workflow for macOS: least-privilege design, dry-run and canary validation, explicit rollback and measurable operational outcomes.
Move recurring Category 605 tasks from manual Linux execution to a validated, least-privilege systemd workflow with guardrails, rollback and measurable outcomes.
A practical Linux playbook for safely restarting systemd services in category 605, with dependency checks, validation steps and rollback guidance.
A practical playbook for segmenting, approving and reviewing credential access as AI-driven automation grows, using 1Password vault controls.
A practical playbook for university IT helpdesks: detecting AI-generated coursework, escalation workflow, guardrails, validation and recovery steps.
A proactive remediation pipeline detects VPN split-tunnel route drift and rebuilds profiles automatically before users ever log a ticket.
Expired client certificates silently break VPN and Wi-Fi auth fleet-wide; this pipeline auto-renews and alerts before expiry causes an outage.
Stop print spooler tickets before they're logged by deploying a self-healing PowerShell agent that detects, fixes, and only escalates genuine hardware.
Automated Apple MDM push certificate monitoring stops fleet-wide device management outages before a single support ticket is raised.
An Azure OpenAI intake bot parses shared mailbox requests, checks policy, and grants Exchange Online permissions before a ticket is ever opened.
Detect boot-time regressions from Windows diagnostic events and auto-remove startup bloat before employees ever open a slow-boot support ticket.
Standing local admin rights fail audits; this JIT elevation automation grants time-bound access and auto-revokes it, closing the ticket permanently.
Endpoint telemetry classifies slow VPN sessions, identifies the failing layer and triggers safe remediation before support teams investigate.
Time-limited elevation grants audited local admin access only when required, then removes privileges automatically without helpdesk approval.