4.7 KiB
Charles N Wyble
[City, State] • [Email] • [Phone] • [LinkedIn] • [GitHub]
Summary
Infrastructure engineer with 20+ years in technical operations. Expertise in Linux, Windows, and networking with deep experience in on-premise systems, private cloud automation, and large-scale web applications. Skilled at provisioning automation, DNS/IPAM integration, and lifecycle management for enterprise infrastructure. Strong track record supporting high-traffic, business-critical environments across small, medium, and large organizations.
Key Skills
- Operating Systems: Linux (RHEL, Ubuntu), Windows Server
- Networking: TCP/IP, DNS, DHCP, IPAM, VPNs, Firewalls, Load Balancers
- Virtualization: VMware, KVM, Hyper-V
- Automation: PXE provisioning, Bash, Python, PowerShell
- Monitoring: Nagios, Zenoss, Observium/LibreNMS
- Tools: ServiceNow, Packer, Rundeck, TeamFoundationServer, Git
- Cloud: AWS, Azure, GCP, Alibaba (exposure through hybrid work)
Professional Experience
Gainwell Technologies — Linux Infrastructure Engineer
Jan 2025 – Present
- Supported Medicare batch processing and job scheduling operations using ServiceNow, TeamFoundationServer, Visual Studio, and Oracle.
- Developed Bash scripts to automate on-call incident response analysis, reducing manual triage time.
- Automated SDLC workflows and monitoring tasks through lightweight shell utilities, improving consistency and reducing ticket volume.
- Applied AI tools to reverse engineer legacy codebases and generate new scripts/programs, accelerating delivery of automation solutions.
- Partnered with development and operations teams to streamline production support and strengthen system reliability.
CDK Global — Linux Infrastructure Engineer
Jul 2024 – Oct 2024
- Worked with risk management/audit to remediate insecure configurations.
- Created Alma9 Packer image from scratch for enterprise use.
SHEIN — Linux Infrastructure Engineer
Dec 2022 – Aug 2023
- Acted as network/security liaison to the SRE team across AWS, Azure, GCP, Alibaba Cloud, and internal private cloud.
- Built automation tooling to resolve ServiceNow tickets related to routing, DNS, and firewall inconsistencies across global environments.
3M — Linux Infrastructure Engineer
Jul 2020 – Nov 2022
- Supported Vendavo on RedHat Linux, managed releases, and provided developer support.
- Created a YAML configuration management system using bash scripting and CSV-based key/value stores to manage environment-specific variables across multiple environments.
TippingPoint — Linux/Windows/Networking Infrastructure Engineer
Jun 2012 – Jun 2019
- Designed and built an end-to-end private cloud lifecycle management system automating IP allocation, DNS updates, and server provisioning (physical via PXE, virtual via VMware/KVM).
- Reduced provisioning timelines from several days to under one hour by centralizing workflows around a CSV-driven source of truth.
- Engineered infrastructure supporting large-scale web applications with high availability and scalability.
- Streamlined operations with custom Bash, Python, and PowerShell scripts to eliminate repetitive manual tasks.
- Managed DNS, DHCP, and load balancers to maintain reliable networking services.
- Led migration from CentOS 6 to CentOS 7 and introduced LXC/LXD containers for improved utilization.
- Implemented monitoring systems (Nagios, Zenoss, Observium/LibreNMS) and integrated LibreNMS as a CMDB feeding a job execution platform (Rundeck).
Earlier Career (2002 – 2012)
Systems Administrator / Linux Infrastructure Administrator roles across HostGator, RippleTV, Walt Disney Internet Group, Electronic Clearing House, and GSI Commerce.
- Administered Linux and Windows servers, Active Directory, Exchange, and enterprise applications.
- Supported networking infrastructure including VPNs, firewalls, DNS, and DHCP.
- Automated monitoring (Nagios), system administration tasks, and deployment workflows.
- Delivered enterprise uptime in transaction processing, ecommerce, and media environments.
- Built foundational expertise in high-traffic web systems, Oracle/MySQL databases, and disaster recovery.
Additional Tools / Familiar With
- Containers: Docker (via self hosting/side projects), LXC/LXD
- CI/CD & Version Control: Gitea CI, Jenkins, Git, Github , GitHub Actions, TeamFoundationServer
- Observability: Prometheus, Grafana, ELK stack (evaluation/side project/ self hosting use)
- IaC / Configuration Management: Basic exposure to / familarity with usage/light modification of Teraform, Puppet, Chef, Ansible, YAML, JSON, CSV-driven automation;
- Cloud Services: AWS, Azure, GCP, Alibaba Cloud (collaboration and troubleshooting exposure)