# Charles N Wyble  
[City, State] • [Email] • [Phone] • [LinkedIn] • [GitHub]

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## 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.

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## 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)

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## 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.

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## 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)