Muhammad Hammad Abbasi

Mansfield, TX Phone: 469-***-**** ad3fib@r.postjobfree.com

LINUX DEVOPS /SYSTEMS /ADMINISTRATOR/ ENGINEER

Over 11 years of experience in Installation, Configuration and Management of Linux OS (RHEL, CentOS, Ubuntu). Cross platform IT professional with experience in Core IT support. Management and Deployment in Virtual Cloud and Physical Platforms. Managing and maintaining a large number of servers in hybrid IT infrastructure. Evaluate, monitor and enhance IT infrastructure with an emphasis on availability, reliability, scalability, security, data confidentiality and system integrity.

Managing Veritas cluster, which includes upgrading veritas cluster and OS upgrade.

Experience in participating Prod/DR failover that includes bringing DR environment online/offline and Prod environment online/offline. The exercise is time sensitive.

Implementing day-to-day tasks in Red Hat Linux include remediation of OS vulnerabilities.

Installation and Implementation of Ansible configuration management system to manage Web applications. Environments configuration Files, Mount points and Packages.

Experience in working with different vendors and following up for the resolutions of various cases.

Automation of Applications Installation through BladeLogic, Puppet & Ansible.

Experience of managing Virtual environments with VMware. Vsphere 6.5 and VCenter server.

Experience in deploying applications on WebSphere Servers, ESXI and Clusters.

Experience in Installation, Configuration, Integration. Backup. Upgrades. Patching, Monitoring System Performance. System and Network Security and Troubleshooting of Linux Servers.

Experience in AWS Cloud platform and its features which includes EC2. EBS, AMI. Auto scaling

Cloud Front IAM. S3, and R53.

Experience in Implementing and maintaining monitoring and alerting of production and corporate servers such as EC2 and storage such as S3 buckets using AWS Cloud Watch.

Automated various Middleware administration tasks as part of DevOps cultural drift using SHELL, Puppet and Ansible.

Installation and Configuration of Monitoring tools such as Splunk and Nagios.

Experience in PXE Boot server (Kickstart), Package Management using Red Hat RPM/YUM.

Knowledge of networking concepts: DNS, DHCP, TCP/IP. OSI layers, Client/Server architecture and Firewalls.

Perform volume management tasks, configure RAID levels and logical volume manager (LVM)

Experience in implementation and maintenance of Apache HTTP, DHCP, NFS, NIS, and DNS.

Editing existing script and writing new scripts in Bash. Yaml and python.

PROFESSIONAL EXPERIENCE

BNYMELLON PITTSBURG, PA

LINUX SYSTEM ENGINEER JUNE 2018 TO PRESENT

Key Contributions:

Remediating OS vulnerabilities by applying OS patches in the environment, while OS upgrade also making sure all the other related products are compatible with the OS. OS Upgrade of Database Oracle RAC servers through Ansible and BladeLogic.

Upgrading veritas clusters and then applying OS patches.

Part of DR exercise team, which involves online/offline DR and Prod environment and troubleshooting the issues pertaining to this exercise.

Experience in working with different vendors and follow up for the resolutions of various cases.

Handing request for storage, filesystem expansion, configuration changes and permissions.

Creating/scheduling of change requests through service now and remedy.

Installation and configuration of different core and layer products like ( Etrust, Tripwire, splunk, Hal Agent, ESP and Oracle client).

Proficient in working with Ansible and BladeLogic; which includes writing playbooks and scripts to complete the various tasks.

Providing support after OS upgrade/ patching and handling various issues.

Debugging OS related issues including kernel panic issues due to different applications.

Troubleshooting VMs from VMware Vcenter which includes; checking VM status and migrating VM to another hypervisor in the cluster.

Troubleshooting and fixing different issues like OS related issue, repository issues, Redhat Satellite and unreachable errors through Ansible and BladeLogic.

Managing Ansible templates and collaborating with Ansible automation team to automate different tasks.

Day to day administration of the Test, Development. Quality assurance. Disaster Recovery and Production environment systems.

Debugging different issue and providing solution to the team.

Dow Chemical CO, Midland, MI

Linux Systems Engineer / Administrator April 2015 to May 2018

Cross platform IT professional with experience in Core IT support, Management and Deployment in Virtual, Cloud and Physical Platform. Managing and maintaining 30K servers in hybrid IT infrastructure. Evaluate, monitor and enhance IT infrastructure with an emphasis on availability, reliability, scalability, security, data confidentiality and system integrity.

Key Contributions:

●Data Center Management at all levels and overall IT Management (Linux, VMware as core Platform).

●Configuration and management of NFS server and NFS clients and auto-mounting mapping as per system/user requirements.

●Deployment and management of various servers including DNS, Apache web servers, Repository servers, LDAP, FTP and SSH.

●Provision, Configuration and maintenance of PXE boot kickstart server.

●Proficiency in VMware installation and monitoring of Virtual environments with Vmware Vsphere 6.5 and VCenter server.

●Expertise in High Availability and Redundant System Designs such as DRS cluster, HA cluster and P2V and V2V machines’ migration.

●Expertise in Virtualization platforms including VMware and AWS.

●Management of AWS infrastructure that required: launching EC2, RDS, creating security groups, auto-scaling, provision of S3 storage, cloud formation, load balancers (ELBs) in the defined virtual private connection.

●Configuration and management of NIC channel bonding.

●Performance of volume management tasks such as RAID levels and logical volume manager (LVM).

●Experience in writing Bash Scripts for performing automation of various tasks.

●Good hands on experience in analyzing TCP/IP packets using tcpdump, IPtraf and Wireshark.

● Knowledge in working with DAS, NAS and SAN storage systems and SAN volume controller.

●Configuration and management of Ansible server.

●Performing different automation tasks using Ansible through Ansible-playbook, role and Ansible Ad-Hoc commands.

●Systems’ patching using different tools like Anisble and Red hat satellite 5.8.

●Installation, configuration and management of Nagios core and Nagios XI server on Red Hat OS.

●Systems’ troubleshooting and performance optimization.

●Installation, configuration and management of Rsyslog server on RedHat OS.

●Performance Monitoring, resolving network issues & Tuning the system using tools such as - top, iostat, iotop, vmstat, netstat, nfsstat, IPtraf, sar, ethtool, mtr, Dtrace, Strace, nmap.

●Resolution of tickets using BMC Remedy & Nexus ticketing system.

●Administration of systems’ vulnerability issues using McAfee Found stone Vulnerability Manager.

DUPONT USA, Wilmington, DE

Linux Systems Administrator August 2012 - March 2015

Key Contributions:

●Experience in installation, configuration and upgrades of Red Hat Linux 5.x, 6.x using Kickstart Servers.

●Configuration and management of Puppet server.

●Execution of different automation tasks using Puppet.

●Monitoring of tickets’ queue to attend user and system calls.

●Configuration and management of Samba server.

●Responsible for creating and managing user accounts, security, rights, disk space and process monitoring in CentOS and RedHat Linux.

●Configuration of DNS, NFS, FTP, remote access, and management security.

●Planning and Designing VMware vSphere Infrastructure (ESX 5.5 and Vcenter Server).

●Installation, management and upgrades of packages via RPM and YUM package management.

●Firmware Upgrades, kernel patches, systems configuration and performance tuning on Linux systems.

●Coordinating with Vendor Support engineers to resolve high priority issues.

●Configuration and maintenance of NIS servers.

●Installation, configuration and support of Apache & Apache Tomcat webservers.

●Configuration of Patches, version control and review connectivity issues related to security.

●Management of systems’ routine backups, scheduling jobs and enabling cron jobs.

●Collaboration with Database Administrators to tune kernel for Oracle installation and integration.

IPG, NEW YORK, NY

helpdesk / linux technicians May 2011 - JUNE 2012

Key Contributions:

●Creation of properly formatted tickets for user calls & emails in tracking system.

●Ensure constant service ticket flow by escalating tickets that require higher-level assistance.

●Provide users support including troubleshooting basic issues with computer hardware, network/internet connectivity, email, and software applications as well as completing users requests for password and user account administration.

●PC maintenance/repair and application software support.

●Maintenance of company owned equipment and organization of service area.

●Communication of ticket status and documenting updates to users and technical staff as needed.

●Providing after hours and holiday on-call support on a revolving basis with other staff.

●Performance of basic computer hardware and software installations, configurations, and virus removals.

●Keeping sensitive information regarding users and their data confidential.

●Create and maintain documentation for users and internal tasks and procedures.

●Develop and/or revise best practices and processes for Help Desk procedures.

●Coordinate scheduling of service visits and technician support phone calls to users.

●Managing groups and user permissions.

TECHNICAL SKILLS

Operating Systems: (Red hat - RHEL /5/6/7), Centos, SUSE and Windows.

Hardware: Intel, HP ProLiant HP DL380 G5/G6/G7/Gen8, Cisco UCS, Dell PowerEdge R710, R720, R810.

IBM RS/6000

Languages: Bash scripting, C++, PL/SQL 10g, YAML.

Networking: NIS, NFS, AutoFS, DNS. TCP/IP, DNS, DHCP, NIC bonding

Other Skills: VMware, VCenter Server, VSphere, KVM, Open VPN, LAMP Servers, SSL, DNS, Puppet, Syslog, Nagios, Ansible, Wireshark, Jenkins and Docker

EDUCATION & CERTIFICATIONS

Master Business Administration (MBA) --2008

PRESTON UNIVERSITY — ISLAMABAD, PAKISTAN

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