John Moses
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John Moses Email & Phone Number

Linux System Administrator @ FirstCash | AWS Certified Solutions Architect at FirstCash
Location: Frisco, Texas, United States 5 work roles 1 school
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Linux System Administrator @ FirstCash | AWS Certified Solutions Architect
Location
Frisco, Texas, United States
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John Moses is listed as Linux System Administrator @ FirstCash | AWS Certified Solutions Architect at FirstCash, a with 1058 employees, based in Frisco, Texas, United States. AeroLeads shows a matched LinkedIn profile for John Moses.

John Moses previously worked as Linux System Administrator at Firstcash and Unix Linux System Administrator at Citi. John Moses holds Bachelor Of Science - Bs, Information Technology from Manipal Academy Of Higher Education.

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FirstCash

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About John Moses

With over a decade of expertise in Linux System Administration, I am currently advancing my career at FirstCash, where my core competencies include managing complex server environments and ensuring system reliability. My mission aligns with delivering robust IT infrastructure that supports our organization's expansive financial services. In a culture driven by innovation and security, I bring a diverse perspective grounded in extensive hands-on experience with Red Hat Linux and system upgrades.At Citi, I honed my skills in administering over 5000 critical servers, leading major projects such as Veritas InfoScale and RHEL upgrades, and orchestrating migrations including AD to LDAP. My role involved implementing advanced server monitoring tools using industry-standard technologies like Splunk, Grafana, and Prometheus. These experiences have solidified my ability to contribute to large-scale, secure, and efficient IT operations, ensuring seamless service delivery within a dynamic financial environment.

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FirstCash
Firstcash
Linux System Administrator @ FirstCash | AWS Certified Solutions Architect
fort worth, texas, united states
Website
Employees
1058
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5 roles

John Moses work experience

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Linux System Administrator

Current

Fortworth

Sep 2024 - Present

Unix Linux System Administrator

Irving, Texas, United States

• Redhat Linux / Solaris Administration support to provide for complex environments in the banking business.• Administration support for 5000+ franchise critical servers.• Managing Veritas InfoScale Upgrade project.• Managing RHEL Upgrade on Veritas Cluster Server, RAC, and GPFS servers.• Working through SAN and NAS Migration from a Level 3 Linux operation perspective.• Configured and implemented a logging-based server monitoring tool using Splunk.• Configured and implemented a metrics-based server monitoring tool using Grafana and Prometheus.• Remediating Qualys exceptions on Linux servers.• Work on break-fix, SEV1, and SEV 2 tickets.• Working on the AD to LDAP Migration project.• Working on Ansible playbook creation using bitbucket repo, and promoting to Starfleet using Jenkins pipeline.• Working with Ansible Tower for command execution.• Working with bitbucket, Jfrog, Jenkins, and Starfleet to perform playbook execution.• Managing Oracle RAC servers. Involved in SAN migration, disk addition, and BAU activities.• Provisioning servers for Oracle & Sybase databases, turning kernel parameters.• Working through LVM creating raw volumes and file system mounts.• Managing CFS clusters with VCS 5.7 on Redhat 7 and Redhat 8 servers. • Involved in DR tests for various servers with different data center failovers.• Performance management of complex servers, over the disks/memory/SAN/CPU/network. • Performed Firmware and BIOS upgrades on Linux servers.

Sep 2022 - May 2024

Linux Engineer

Richardson, Texas, United States

• Building and Provisioning servers using Kickstart, PXE boot and Redhat Satellite Server.• Built over 300+ servers for various platforms.• Upgraded Redhat Satellite Server 6.1 to 6.7.4 and provisioning Satellite Capsule Servers.• Automate and manage configuration with Puppet by creating puppet modules.• Working with managing Git version control repositories on local and remote servers.• Build Rehdat 6.x, 7.x and 8.x servers using Red Hat Satellite Server.• Working on server decommission and migrations.• Working on openshift administration with Redhat support configuring the cluster.• OS upgrade from RHEL 6.x to RHEL 7.x• OS upgrade on RHEL 7.3 to RHEL 7.9• Managed Data center power maintenance coordination from users.• Building and configuring servers using Red Hat Satellite Server.• Automating system changes with bash shell scripting.• Build and maintain a High Availability cluster with pacemaker on RHEL 7.x servers.• Build and maintain a High Availability cluster with corosync on RHEL 6.x servers.• Configuring and setting up MSA and Brocade SAN switch for creating a new SAN device.• Troubleshooting various issues in server builds related to provisioning templates, Content view, content hosts, partition table, host group, activation keys, entitlements, yum repositories, etc..• Using Ansible and Tower to do post-installation tasks with the command line as well as GUI.• Applying patches on Solaris servers.• Working on L3 tickets.• Configuring SAM (System Asset Manager) on the client and ESM on the client Servers.• Assisting developer to build OpenShift application container using OpenShift web console.• Completed OpenShift courses DO180 and DO280. • Extensive experience in handling, managing, and configuring Data Center servers and hardware like Onboard Administrator (OA), Virtual Connect (VC), F5 Load Balancer, HP Blades, MSA, SAN switches, and Blade Enclosures.

Apr 2017 - Sep 2022

Linux Engineer

Aig

Dallas/Fort Worth Area

SUMMARYBuild Rehdat 5.x, 6.x and 7.X servers for various businesses in AIG.Configuring and setting up FCOE for BLADE servers.Built over hundred servers for splunk application.Configure and Setting up pacemaker cluster on RHEL 7 servers.Built and supported Oracle RAC servers and Involved in SAN migrationUpgraded Linux OS from RHEL 6.1 to 6.8Performed OS upgrade, Kernel upgrade, SAN stack upgrade and patching.Worked on remediating the servers to AIG compliance on RHEL6.x and Solaris servers.Performed tasks like Mounting of file system from NAS volume and Automount configuration.Built many servers from vmware ESX5.5 and physical server from Dell R630, R730, M630.Installed OS on SAN storage on physical servers. Design, compliance and auditing administration of RHEL/SUSE/VMware and other UNIX operating systems.Experience in configuring NFS, CIFS, Snapmirror, Snapvault on NetApp FAS.Handled go-live remediation security compliance and security auditing and pre-scan process for UNIX & VMware servers RHEL/SUSE/VMware operating systems.Handled Qualys vulnerabilities fix on varies UNIX operating systems RHEL/SUSE/VMware Handled project for server builds which included building RHEL/SUSE/VMware Physical and VM’s server using NIM/TPM & kickstart server.Coordination with network team for network convergence and troubleshooting issues related to network.Coordinated SAN migrations (SAN Tech refresh) on RHEL environments where the storage will be migrated from one frame to another

Aug 2015 - Feb 2017

Sr. Unix/Linux System Administrator

Irving, Texas

• Experience with Redhat 3.x to 6.x. and Sun Solaris 2.6 to 2.10, • Installation, configuration and administrative tasks on Solaris and Linux.• UNIX kernel optimization, monitoring system activity, CPU utility, and virtual memory statistics. • Setting up Oracle RAC cluster server and manage ASM devices.• Adding new, resizing file system and migrating Data on LVM/ Veritas volume Manager. • Experience with Veritas Suite of Products like Veritas Volume Manager, Veritas File System, Volume Manager Storage Administrator and Veritas Cluster Server.• Experience in setting up six node CFS cluster.• Mirroring root disk using Veritas, Solstice Disk Suite, Disk management using Solaris Disk Suite, VxVM.• Worked on setting up different RAID levels on Linux servers.• Worked on Linux kernel tuning for various application needs.• Carrying out administrative tasks like applying patches, clearing logs, checking file systems on Linux and Solaris servers.• Configured zpool and built ZFS filesystems on Solaris 10 servers, configuring local zones and resource allocation.• Supporting SAN migration for Linux and Solaris including Oracle RAC and Solaris zones.• Upgraded Linux OS from RHEL 5.x to 5.9 and 6.1 to 6.5• Installed and supported servers for Hadoop clusters such as Mirror Lake, Vantage, Gravity, Red Queen and configured 10G public network interface.• Installed and supported Oracle RAC servers. Involved in SAN migration, disk addition and BAU activities.• Provisioning servers for Oracle & Sybase databases, turning kernel parameters & creating raw volumes and file system mounts.• Installed and configured CFS with VCS 5.7 on Redhat 5 servers. Configured i/o fencing on cluster nodes.

Sep 2010 - Jul 2015
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1 education record

John Moses education

FAQ

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What company does John Moses work for?

John Moses works for FirstCash.

What is John Moses's role at FirstCash?

John Moses is listed as Linux System Administrator @ FirstCash | AWS Certified Solutions Architect at FirstCash.

Where is John Moses based?

John Moses is based in Frisco, Texas, United States while working with FirstCash.

What companies has John Moses worked for?

John Moses has worked for Firstcash, Citi, Verizon, Aig, and Citigroup.

Who are John Moses's colleagues at FirstCash?

John Moses's colleagues at FirstCash include Bettie Owens, Eric Ramos, Jonasia Jonasia下, Luis Humberto Sandoval De La Cruz, and José Ramiro Escobar Cumba.

How can I contact John Moses?

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What schools did John Moses attend?

John Moses holds Bachelor Of Science - Bs, Information Technology from Manipal Academy Of Higher Education.

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