SUMMARY:

• Self - motivated and experienced professional Linux Systems Engineer/Administrator with strong 6 years’ experience managing server infrastructure and data center operations across Linux or Windows platform. Effectively plan, install configure and optimize IT infrastructures to achieve High availability and performance. Skilled problem identifier and troubleshooter comfortable managing systems, projects and team in s range of IT environment.
• Technical Support
• Systems Installation and Configuration
• Security Solutions
• Packages and Patches Management
• Workflow Planning
• Productivity Improvement
• Working with User Management
• Red Hat Enterprise Linux (RHEL)
• Understanding and Configuring SELinux
• Manage infrastructure, automating tasks, configuration files, users using Ad-hoc commands and Ansible Playbooks
• Setting UP PXE Server with Kickstart and Server Provisioning using PXE Boot with Kickstart
• Autosys job management, creating, and editing job(s) using jil and WCC; migrating and resourcing job status.
• Managing Daily System Tasks using BMC Remedy
• Configuring and Managing LVM
• Network Management, Configuring Network and NIC Bonding

TECHNICAL SKILLS:

Automation Tools: Ansible and Bash Scripting

System Monitoring: Nagios, top iostat vmstat nethogs Cloud Watch

Web/Application Servers: Amazon Web servers (AWS), Apache Server

Disk Management: Logical Volume Manager (LVM), RAID, and S3

Networking Environment: NFS, AutoFS, NIS, DNS, DHCP, Routers/Switches, FTP, KICKSTART

Programming Languages: Shell Scripting (BASH)

Operating Systems: Linux Red Hat 6 and 7, CentOS 6 and 7

PROFESSIONAL EXPERIENCE:

Confidential, N.J

Linux Systems Engineer

Responsibilities:

• Linux Infrastructure design and management
• Advanced provisioning and automation using PXE-boot And Ansible books.
• Worked with RHEL, LDAP, VMware, VMware ESXI, Apache, and NFS.
• Job scheduling and automating process using Autosys.
• Basic creation and troubleshooting on scripting like Bash.
• Managing disks and partitions (LVM).
• Monitoring of all Linux flavor like RedHat, CentOS, Ubuntu.
• SAMBA server configuration.
• Manage installation, configuration, upgrade, and patches system running OS such as RedHat and CentOS.
• Hands-on experience with vMotion, Storage vMotion, High Availability (HA), Fault Tolerance (FT), DRS, Storage DRS, Snapshots, Templates, and Clones.
• Hands on experience with vCenter, vSphere, Ilo, and Idrac
• Worked with configuration and deployment of VMs using VMware and ESXI.
• Hands on experience trouble shooting VMware related issues from users and end clients
• Developed bash scripts for backups and scheduling tasks.
• Developed and troubleshooted issues related to networking, NIS, NFS, SAMBA, SSH, SFTP, DNS, DHCP.
• Installed, updated, and configured packages using RPM and YUM package management.
• Configure and troubleshoot connection to SSH through SSH clients, set up password-less and agent forward for SSH.
• Installation, configuration, maintenance, and patching of Linux systems on VMware ESXI 6.5.
• Strong experience in RHEL 6/7 Linux administration, performance tuning and support experience.
• Provided support and troubleshoot problems related to bootloaders like GRUB and LILO and performed PXE boot.
• Configuration of NTP and NFS servers
• Working experience with cloud infrastructure of AWS (Amazon Web Services) such as EC2, S3, IAM, Cloud Watch, Autoscaling and Glacier.
• Monitoring and maintaining the availability of the company’s servers, applications, and network to anticipate and resolve concerns before they impact production using tools such as Nagios.
• Experience with using versioning control tools such as GIT.
• Monitoring systems performance activities like CPU, memory, swap and disk usage to ensure efficient performance, in addition to avoiding future issues.
• Experience in installation, configuration, management and troubleshooting of VMware ESXi 6.5 - 4.0, vSphere 6.0, 5.5, and older and different versions of vCenter server.
• User and group management. Configuring, Managing, and Troubleshooting related issues.
• Experience in Ansible configuration/deployment and writing Ansible playbooks to manage environments configuration files, packages, users, mount points, web applications.
• Participated in 24/7 on-call support personnel for debugging or resolving issues.
• Hands-on experience with containerization technologies like Docker and Kubernetes.
• Autosys Management. Job creation using JIL and WCC. Job deletion, modification, migration, starting, force start, on/off hold, on/off ice, on/off no exec, and etc.
• Working with WCC, ACCE, and JIL on a daily basic keep AutoSys environment efficient
• Resolving AutoSys job failures pri-1-5

Confidential

Linux system Operator

Responsibilities:

• Monitored CPU, memory usage, storage, network performances and processes
• Installed, upgraded and maintained Linux operating system.
• Installing, configuring and troubleshooting RedHat Linux 6 and 7 servers on VMware platform.
• Developed Ansible Playbooks and used Ansible for configuration management for application deployments
• Using Nagios, maintain and monitor server, network, and application performance
• Ran, maintained and set-up scheduled work using Crontab
• Configured IP addresses to static and DHCP.
• Created systems with RAID 0, 1, 5, 6 and 10
• Configure NIC Bonding for speed and redundancy
• Created and mounted EXT4 and XFS file system
• Installation and configuration of NFS, FTP, Samba and Nagios servers
• Troubleshooted SSHD, network problems and kernel panic
• Provided 24/7 available on-call support