Linux Sysadmin & DevOps Specialist
Resume:
LINUX SYSTEM ADMINISTRATOR/DevOps
Guy Patrick Nah
Dallas, Texas
**************.*@*****.***
www.linkedin.com/in/guy-nah-aa7166248
PROFESSIONAL SUMMARY
Results-driven and detail-oriented Linux System Administrator with 6+ years of experience managing, optimizing, and securing Linux-based systems in production environments. Proficient in server administration, shell and YAML scripting, network services, performance tuning, and cloud technologies. Strong problem-solving skills with a commitment to delivering high system availability and performance.
TECHNICAL SKILLS
Operating Systems: RedHat, CentOS, Ubuntu, SUSE, AIX Scripting & Automation: Bash, Python, YAML, Ansible Web Servers: Apache, Nginx
Monitoring Tools: Nagios, Zabbix, Prometheus, Grafana Virtualization/Cloud: VMware, KVM, AWS (EC2,,VPC,S3, IAM), Azure Configuration Management: Ansible, Puppet
Containerization: Container, Docker,Podman, Kubernetes Databases: MySQL, MariaDB
Networking: TCP/IP, DNS, DHCP, SSH, IPTables, NFS
Version Control: Git, GitHub, GitLab,Jen
Backup Tools: rsync
Security: SELinux, firewalld
Other: Cisco ( switch,router,wireless controller, access point, CUM ), Windows server 2012,2016 PROFESSIONAL EXPERIENCE
Linux System administrator
Marriott (Contract) - Remote
June 2023 to Present
• Deployment of LightSpeed Property Management System ( LSPMS ) software, Upgrade Hardware to HPE ProLiant ML30 Gen10 Server
• Deployment of Full Speed Property Management System ( FSPMS ) Software, Upgrade Hardware to IBM Power S1014
• AIX update from 720*-**-**-**** to 7200_05_05_2246 OS Version
• Migrate the OS from RHEL6 to RHEL8
• Implement automation scripts using Ansible and Bash, reducing manual configuration time by 60%
• Conduct system updates, patch management, and kernel upgrades in a scheduled manner.
• Troubleshoot system/network issues, application errors, and hardware failures. Linux System Administrator/DevOps
Engineering Consulting Services ( ECS ) - Hybrid ( Houston ) November 2019 - June 2023
• Managed a hybrid infrastructure of 100+ Linux servers (Redhat,Ubuntu, CentOS) across AWS and on-prem data centers.
• Developed Ansible playbooks to automate server provisioning and application deployment, reducing setup time by 70%.
• Built CI/CD pipelines using Jenkins and GitLab CI for automated builds, tests, and deployments.
• Deployed and maintained Docker containers and Kubernetes clusters to support microservices architecture.
• Migrated legacy monolithic applications to Docker-based services with improved scalability and resource usage.
• Implemented infrastructure monitoring using Nagios to ensure 24/7 uptime.
• Enforced IAM policies and network ACLs for security compliance.
• Performed routine server administration including patching, backups, and log management.
• Collaborated with development teams to troubleshoot application-level issues in staging and production.
• Developed Bash and YAML scripts to automate disk monitoring, log rotation, and system alerts.
Network Specialist
HCL/CHEVRON - Houston
June 2016 to November 2019
· Installing, configuring and deploying Switch,Router,Access point,Firewall,IP phones and Printers : Cisco, Juniper, Aruba and ASA
· Involved in setting up and configuring new systems, installing and maintaining the application software. Stage the stand alone and stack switches, routers and APs in the lab.
· Involved in designing, implementing, securing and maintaining the Data Center and Labs systems for its test, development and production environment.
· Involved in modifying scripts for automated application deployments as well as system monitoring.
· Worked and cooperated with others in a group, offer to help when needed and foster a team climate within the group where members are committed to a common goal.
· Troubleshooted physical network connectivity issues such as cabling ( Cat5e,single or multi mode fiber ) and SFPs.
· Monitoring Network and troubleshooted network connectivity with network commands such as ping, traceroute, netstat, nslookup etc.
· Patching copper and fiber cables in IDF,MDA and Data Center
· Monitoring and checking the health of the system using command line utilities.
· Troubleshoot IOS and hardware.
· Performed software ( IOS ) upgrade
Helpdesk Analyst
AETNA – ACTIVE HEALTHMANAGEMENT-Atlanta, GA
July 2014 to May 2016
· Troubleshooting of hardware, software,wireless and VPN issues over the phone, Emails, chat and onsite
· Imaging and Deployment of devices: PCs, Laptops, desktops, Tablets, Printers, Phones Hardware.
· Hardwares Used: Dell /Hp /Lenovo /Panasonic Toughbook /Xerox /Cisco
· Softwares Used: Active Directory/Microsoft office 365 /Windows10 /Windows Server 2012/Remedy /Global Protect /Outlook /Remote tools/Skype business
·
· Assisting customers in troubleshooting login issues.
· Creating user accounts and resetting passwords
· Respond to questions either in person or over the phone.
· Walked customers through problem solving relating to their computers.
· Installed, modify, and repair computer hardware and software.
· Installed computer peripherals for users.
· Clean up computers and installed antivirus on Windows computers. IT Technical Support
Gwinnett County School-Atlanta, GA
January 2011 to July 2014
· Provided first-level technical support to end users on proprietary software and applications, including installation, basic usage, and appropriate service level to warranty.
· Performed troubleshooting techniques in person to identify and resolve issues.
· Providing daily assistance for Head students and staff for PC builds and software support
· Provide support to the service desk team on network and infrastructure issues
· Provides technical support to internal employees at school
· Assist with the build, delivery and break fix support of the dell desktop, laptop hardware software issues on site, mobile, infrastructure and application management that underpins the group technology estate · Develop, test and maintain documented systems procedures/work instructions · Time Management EDUCATION
Associate degree in Computer Network System
ITT-TECH Institute – Atlanta,GA, USA
2011 – 2014
Bachelor Degree in Civil Engineering
National Advanced School of Public Works – Cameroon 2003 - 2006
Certifications and Licenses
Red Hat Certified System Administrator(RHCSA 9):Certification ID 250-085-792 Cisco Certified Network Associate (CCNA):Certification ID 232480795
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