System Administrator Linux

PHYLLIS APPIAH

NEW PROVIDENCE - NEW JERSEY ****4

Tel: C: 973-***-**** Email: ***************@*****.***

Summary:

Experienced Linux administrator with background in supporting Enterprise Level environments and middleware applications

CERTIFICATIONS

OS: RHEL 5,6,7,8,9

HW: HP Proliant Servers, Dell servers, Cisco Servers

Software: Ansible, VmWare ESXI 7.0, Powershell, RedHat Satellite, Prometheus & Grafana, Unitrends Backups, ServiceNow Ticketing system, Jira, MobaXterm ssh client

Languages: Yaml, Bash, Python (entry)

Networking: TCP/IP, DNS, DHCP, LAN, SFTP, SSH, RDP

Storage: LVM, SATA, Ext4, XFS, SAN, NFS, SAMBA, Raid(0/1/5)

Vulnerability Management

Security Information Event Management

Intrusion Detection & Prevention

Intrusion Analysis

Incident Response

Data Leakage Prevention

Service Level Agreements

End Point Security

CERTIFICATIONS & EDUCATION

LPI Linux Essentials, obtained 2025

LPIC-1 System Administrator obtained 2025

CompTIA Security+, obtained 2025

Redhat RHCSA Scheduled 2025

Ghana Institute of Management and Public Administration - Needs 5 credits 2013

PROFESSIONAL BACKGROUND

NEXTGEN DATA CLOUD

July 2021 – Present

RedHat Platform Administrator

Technology: Rhel 6,7,8,9 – MobaXterm – Redhat satellite – Ansible – Bash Script – Apache – Weblogic – Sql – SAP – Windows AD, DNS – Vmware EXSI, VSphere – HPE ILo, OneView – HPE DL380, BL460c Gen9,10,11 – AWS EC2, S3 bucket, Route53 – Kiteworks encryption - Grafana – Nagios – Unitrends Backup, F5, Confluence, Jira sprints, ServiceNOW

Build physical and virtual RHEL servers, Join them to AD and Redhat satellite, Harden the servers with Ansible playbooks.

Navigate the Linux environment via CLI to perform various system administration tasks

Perform Data Migration (RSYNC/SCP), server migration in vmware (VMOTION).

Perform various tasks for application team members: creation of soft links, ssh keyless passwordless between servers, archive old directories with a 9 month timestamp or older.

Attend to data migration for the SAP team (RSYNC/SCP), and SFTP for the clients.

Create screen session for long processes

Manage local users with various tasks: user creation USERADD/GROUPADD, make changes USERMOD/GPASSWD, lock account /SBIN/NOLOGIN, password issue SECURE-log CHAGE, and manage the PASSWD, GROUP, and SHADOW files

Manage AD user accounts using Powershell

Manage permission and ownership of directories and files, make very important content immutable

Manage services and troubleshooting issues and reading logs for investigation

Troubleshoot network (PING, Service, NMTUI, ROUTE, TRACEROUTE) and ssh connection (Debug)

Put DNS entries for new servers (A, PTR, CNAME records)

Download application files on server with WGET, running installation scripts, opening ports with FIREWALL-CMD, view ports with NETSTAT.

Assist with application upgrades and patching JAVA, Apache SOLR, JMETER, Gitlab, etc …

Create and extend filesystems, LVM, partitions, NFS, and monitor them in the FSTAB and with DF

Create automated jobs with CRON and AT

Monitor servers on Grafana dashboard,view alerts in Nagios, and perform backups with Unitrends and Vmware snapshots

Perform server upgrade with LEAPP to RHEL9, and decommission old servers

Deploy Docker containers with developers

Setup RAID 5/6 on HPE DL380 and RAID 1 to BL460c before OS installation

Patch Linux servers using Ansible playbook, and create playbooks for various reoccurring tasks

Edit existing bash scripts to comply with the tasks at hand

Send SOS report for cases with RedHat

Attend calls with vendors

Create SOP documentations on Confluence

Take part of major project with Jira and resolve Incident and Change tickets with ServiceNOW

Cross training:

Install Vmware EXSI unto physical HPE DL380 Gen10, setup Ilo, BIOS, network information

Join EXSI to Vsphere, and Ilo to OneView, Add both Licenses.

Add drives to server, setup datastores, Add users and permission to Vsphere.

Datacenter walkthrough and disk replacement

F5 Load balancer training, adding nodes, updating SSL certs on VIPs, install security updates, sync both F5s

NETWORK SECURITY EXPERTS

Jan 2013 – December 2020

INFORMATION TECHNOLOGY VENDING REP - GHANA

Technology: Redhat OS, Ubuntu OS, Windows OS, HPE Servers, DELL servers, Datacenters, Server Racks

Provide Server Quotes to clients in Ghana

Coordination technology installation

Increase market share by acquiring new clients

Work with partners to resolve issues: Marpoint Communications for commercial vessel equipment failure

Fly to warehouse in China for training on new technology coming to market

Contact this candidate