Samantha Garcia
Experienced Linux Adminstrator
NEW YORK,New York
Summary
Linux administrator with more than 6 years managing Linux-based servers. Well-versed in the migration of mission critical applications and software components. Exceptional communication skills with the ability to seamlessly build professional relationships with internal and external stakeholders. Adept at navigating levels of theoretical and in-depth levels of technical conversation, especially when presenting information to both technical and non-technical audiences.
With over 6 years of experience specialized in System Administration working on RedHat Linux, CentOS and window environments. Experiences installing RedHat Linux manually or using kickstart and applying security policies to harden the server based on the company policies.
Experience configuration of NFS, DNS, LDAP, HTTP, DHCP, SFTP, SAMBA, remote access management and security trouble shooting skills Experience in Creation and managing user accounts and security rights. Disk space and process monitoring in RedHat Linux Experience on Webservers such as Apache Server 1.x, 2.x, & Tomcat 3.x, 4.x. Installed and configured LAMP stack for the application server. Creating Linux Virtual Machines using VMware Center Experience on Windows server AD and DNS. Also using the PowerShell Experience in Installation and Creation of Oracle MySQL and PostgreSQL database Team player with good management, analytical, communication and interpersonal An Individual who is always punctual, reliable, and skilled in providing extraordinary customer and End-User Support.
Overview
7
7
years of professional experience
Work History
Linux System Administrator
Aya Healthcare
San Diego, CA
01.2020 - 11.2023
- Leveraging ansible and puppet for job automation and integration in a large-scale environment
- Configuration management and utilization of Jenkins for workflow optimization and auto deployments in a complex environment
- Constantly using to monitor system processes, storage space and logs files on every system
- Build, maintain and configure Red Hat Linux systems within Amazon Web Services and VMware environments
- Experience using Windows Server 2008-2016 R2
- Helped with the migration of the Windows Server from 2012 R2 to 2016 R2
- Creating and managing users and group using Active Directory
- Performing Maintenance and support of the servers and the end users
- Work with customers to define technical solutions that meet their requirements and industry best practices
- Introduce efficiencies around server processes and procedures
- Work closely with internal development teams to create scalable solutions and deploy applications
- Effective written and verbal communication skills
- Must assist, guide, and share information with technical and non-technical personnel
- Monitor system health and promptly respond to outages to support aggressive uptime goals
- Manage ticket queue for Tiers 1 and 2 support
- Participate in rotating on-call requirements.
System Administrator
Mount Sinai Health System
New York, NY
12.2017 - 12.2019
- Coordinate and consult with end-users, application development, infrastructure, client services, reporting
- Installing RedHat Linux using kickstart and applying security policies to harden the server based on the company policies
- Created, cloning Linux Virtual Machines, temples using VMware ESx 5.x 6.x
- Performing capacity analysis, monitoring, and controlling disk space usage
- Experience using Windows Server 2008-2016 R2
- Creating and managing users and group using Active Directory
- Setting up network environments using TCP/IP, NIS, DNS, VSFTP and DHCP
- Red Hat Package Management (RPM) and YUM package installation and maintenance
- Works with Database administrators to tune kernel for Oracle installations
- Monitory system activities and fine tune system parameters configurations to optimize performance
- Address L1/L2 issues and debugging problems
- Experience managing user accounts and SUDO permissions
- Maintain WebLogic application servers
- Installing configuring, and deploying tomcat/JBOSS applications
- Applied quarterly patches to all DEV, UAT, and PRD Linux environments per company policy.
Engineer
Pfizer, Wyeth Pharmaceuticals
Washington, DC
01.2017 - 12.2017
- Extensive knowledge in installation and deployment, network management, vulnerability scan
- Updated disaster recovery procedures and participated in annual DR testing
- Manage system routine backup, scheduling jobs and enabling cron jobs
- Created, cloned Linux Virtual Machines, templates using VMware Virtual Client migrating servers between ESX hosts
- Installs configures and supports Apache/Tomcat Web servers
- Installed and configured Logical Volume Manager – LVM and RAID
- Synchronize and migrate data, database objects between development and production environments
- Utilizing Netstat, Iostat and Vmstat for performance analysis, tuning and capacity planning, problem prevention, detection and resolution
- Provide After hours and On Call Linux support to development team and internal customers
- Installation of SSH and configuring keys base authentication
- Setting up user and group login ID’s printing parameters, network configuration, passwords, resolving permission and access related issues via ACL
- Provide exceptional customer service to end users while administrating, installing, configuring, and maintaining systems to ensure maximum system uptime
- Installed and upgraded video cards, modems, hard drives, IDE controllers, SCSI drivers, and memory components
- Responsible for technical training of all users as necessary
- Troubleshoot network connectivity in a LAN/WAN environment
- Tracking status of all requests and provides follow-up to ensure customer satisfaction
- Utilized IBM IT Help Software to manage IT Help tickets and change management procedure
- Added users, groups and performing end day transactions and backups on customer accounts
- Implement COTS installation, changes, upgrades and applied patches
- Configure ILO and iDRAC and update systems to latest patches.
Education
Bachelor of Science - Behavioral Sciences
York College of The City University of New York
Jamaica, NY05.2020
Associate of Science - General Science
Borough of Manhattan Community College of The City University of New York
New York, NY05.2018
Some College (No Degree) - Network And System Administration
Phoenix College Preparatory Academy
Phoenix, AZ06.2016
Skills
- Languages: BASH, Command Line Interface (CLI)
- Cloud Networking: Network ACLs
- Centos 6/7/8, OEL 6, Windows 2012 R2
- Apache, Tomcat, Nagios, Solar winds, Service Now, JBOSS, JIRA, VPN, bash scripting, Visual Studio Code
- DNS, TCP/IP, DHCP, nslookup, dig
- MS-OFFICE
- Team player with good management, analytical, communication and interpersonal
Timeline
Linux System Administrator
Aya Healthcare
01.2020 - 11.2023
System Administrator
Mount Sinai Health System
12.2017 - 12.2019
Engineer
Pfizer, Wyeth Pharmaceuticals
01.2017 - 12.2017
Bachelor of Science - Behavioral Sciences
York College of The City University of New York
Associate of Science - General Science
Borough of Manhattan Community College of The City University of New York
Some College (No Degree) - Network And System Administration
Phoenix College Preparatory Academy
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