Summary
Overview
Work History
Education
Skills
Timeline
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Ghislain Kemby

Bishop,California

Summary

Accomplished Linux System Administrator with a proven track record at Caltech University, enhancing system efficiency and uptime. Expert in deploying AWS cloud resources and automating tasks with Bash, ensuring 99.96% annual uptime. Demonstrates strong problem-solving skills and a commitment to continuous improvement. Skilled in both technical innovations and team collaboration.

Overview

11
11
years of professional experience

Work History

Linux System Administrator

Caltech University
Pasadena, California
01.2023 - Current
  • Provided technical support for Linux-based systems including troubleshooting of server applications and hardware issues.
  • Managed and maintained servers across multiple platforms, ensuring high availability and performance.
  • Monitored network performance with Observium and Wireshark to determine adjustments needed.
  • Configured network components such as routers, switches, firewalls, VPNs according to organizational requirements.
  • Automated routine administrative tasks using scripting languages, such as Bash, increasing operational efficiency.
  • Set up monitoring tools like Nagios, Observium, Prometheus, InfluxDB, the ELK stack, and Cockpit to track server health metrics such as CPU usage and memory consumption.
  • Maintained version control of source code using SVN and Git repositories.
  • Developed and maintained comprehensive documentation for system configurations and procedures.
  • Managed storage solutions, including NAS, SAN, Lustre, ZFS, RAID, and LVM, optimize data accessibility and redundancy.
  • Coordinated with vendors regarding maintenance contracts related to hardware components used in the company's infrastructure.
  • Conducted license management through Mathcad software.

Linux System Administrator

OCR Services
Rockville, Maryland
02.2018 - 12.2022
  • Experienced in system administration, system engineering, system planning, and coordination on Unix/Linux environments and applications.
  • Supported and maintained AWS cloud resources, including VPC, S3 buckets, and ELB, launching and troubleshooting EC2 instances, RDS databases, SNS, and open-source application installations and deployments.
  • Provided strategies, guidance, best practices, and defined processes for the team, discussed roadblocks, performance issues, and followed up on issues.
  • Maintained servers at high availability, with a 99.96% annual uptime.
  • Performed monthly patching on production and non-production servers with Red Hat Satellite and Spacewalk.
  • Created and cloned Linux virtual machines and templates using VMware ESX.

Linux System Administrator

B&C Tech Consult
Rockville, MD
03.2014 - 01.2018
  • Experienced in system administration, installation, upgrading, patches, migration, configuration, and troubleshooting.
  • Installed and configured network services on Ubuntu and Amazon Linux instances.
  • Maintained file systems, and enforced SELinux and Kerberos authentication on NFS shares.
  • Implemented SSL/TLS certificates on Apache web servers.
  • Configured storage, disk management, logical volume management, and logical partitioning.
  • Created, admitted, and maintained user accounts with stipulated permissions.

Education

Certificate - RedHat Certified System Administrator

Modest Technologies Solutions
Laurel
01-2014

Associate of Science - Computer And Information Sciences

Montgomery College
Rockville, MD
12-2013

Skills

  • Operating Systems: Linux (Red Hat, CentOS, Ubuntu, Rocky Linux, Kali), FreeBSD, Windows
  • Security Tools & Networking: Metasploit, Wireshark, Snort, Nessus, FirewallD, TCP/IP, SSL/TCL, VPN, SSH, IDS/IPS, Observium, Cockpit, Nagios, TCPdump, Nmap
  • Scripting/Programming: Bash, Shell, Python
  • Virtualization/Containerization: Docker, Kubernetes, VMWare, Hyper-V, VirtualBox, LXD, MAAS
  • Configuration and Automation: Puppet, Ansible, Terraform
  • Storage: SAN, NAS, RAID configuration, ZFS, Lustre, LVM
  • Cloud Technologies: AWS, Linode, Azure, GCP

Timeline

Linux System Administrator

Caltech University
01.2023 - Current

Linux System Administrator

OCR Services
02.2018 - 12.2022

Linux System Administrator

B&C Tech Consult
03.2014 - 01.2018

Certificate - RedHat Certified System Administrator

Modest Technologies Solutions

Associate of Science - Computer And Information Sciences

Montgomery College

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Ghislain Kemby