Summary
Overview
Work History
Education
Skills
Timeline
Generic

ASAD M KHAN

Unix Admin
Morton Grove,IL

Summary

A seasoned System Administrator with over 15 years of experience in Linux and AIX administration, including IBM AIX (5.3, 6.1, 7.1), Red Hat, SuSe, and Solaris (8-11). Skilled in migrating and upgrading AIX systems, including rootvg migration from vSCSI to SAN boot using NPIV, and performing node-by-node migration for HACMP clusters. Extensive expertise in configuring and administering Virtual I/O Servers (VIOS), NIM servers, RedHat virtual servers on ESX hosts, and Tivoli Storage Management. Adept at managing system backups, performing server recovery, and implementing upgrades for both AIX and Linux environments. Proficient in LVM management, performance tuning, shell scripting (Korn/BASH), and server troubleshooting. Strong background in virtualization, hardware management using HMC, and experience with high availability solutions, including IBM PowerHA. Expertise in administering enterprise-level environments, managing job scheduling, and ensuring system reliability. Excellent communication and teamwork skills, capable of quickly adapting to new environments and handling minimal supervision.

Overview

15
15
years of professional experience
4
4
years of post-secondary education
3
3
Languages

Work History

Unix System Engineer

Kyndryl-Fannie Mae
11.2016 - 04.2024
  • Built and maintained 400+ LPAR servers for ePIMs DR Build Project using HMC CLI.
  • Upgraded EMC PowerPath and operating systems, including AIX GPFS Cluster, PowerHA Clustered servers, and RHEL servers.
  • Migrated SAN environments, logical domains, and clustered servers with N_Port ID Virtualization (NPIV).
  • Administered user accounts, profiles, security policies, disk space, and process monitoring.
  • Configured Primary IPs, BEN IPs, alias IPs, and kernel parameters on Linux servers.
  • Extensively worked on Veritas Storage Foundation, HACMP clusters, GPFS Clusters, and Live Partition Mobility (LPM).
  • Automated tasks using crontab, autosys, and Shell scripting.
  • Ensured PCI compliance by collaborating with auditing teams and performing remediation for EP2, FTP, and SSH security violations.
  • Coordinated application installations (e.g., MQ-WMB, Oracle RAC) and set up ASM devices.
  • Monitored and resolved performance issues, file system usage, and system process failures.
  • Conducted system administration and remote support using tools like SSH, Telnet, and Rlogin.
  • Completed ITAR certification and Security Compliance projects

Unix System Engineer

IBM-Kaiser Permanente
11.2013 - 11.2016
  • Contributed extensively to the ePIMs DR Build Project, successfully building 400+ servers using HMC CLI.
  • Upgraded EMC PowerPath from version 5.5 to 5.7 on AIX GPFS and PowerHA Clustered servers, and configured HACMP clusters for high availability on IBM pSeries servers.
  • Managed server administration tasks, including user account creation, profile management, security settings, disk space allocation, process monitoring, and automation via crontab and Autosys.
  • Performed SAN migrations between arrays and implemented N_Port ID Virtualization (NPIV) and Live Partition Mobility (LPM) across PowerHA clusters using HMC CLI.
  • Installed and configured WebSphere Application Server (WAS) NDM Cells on Linux servers with Veritas Volume Manager (VVM) and Veritas Cluster Services (VCS).
  • Extended and compressed file systems using Veritas Volume Manager and native Linux Volume Manager, while managing GPFS clusters on AIX, including disk/file system operations.
  • Upgraded operating systems from 71TL2SP1 to 71TL3SP4, and configured IP settings (Primary IP, BEN IP, Alias IPs) for AIX and Linux servers.
  • Supported application deployments (e.g., MQ-WMB, Oracle RAC), including setting up ASM devices and assisting with kernel parameter tuning and ulimit configuration on Linux servers.
  • Actively involved in security compliance projects, including Sudo, FTP, EP2, and SSH. Successfully completed ITAR certification and resolved EP2 and FTP violations in collaboration with QA and application teams.
  • Coordinated server activation and decommissioning (ScoA), ensuring systems adhered to compliance requirements.
  • Configured NIM, NFS, and NIS, standardized systems, and provided remote system administration via SSH, Telnet, and Rlogin.
  • Collaborated with project managers and auditors to achieve PCI compliance and led the migration from Quest SSH 5.2.1.16 to OpenSSH 6.0.0.6201.
  • Played a vital role in testing and remediation efforts, running EP2 Driver’s and EP2 Assigner across test, development, and production environments.

Unix System Engineer

IBM-American Express
11.2011 - 10.2013
  • Project DC2015: Transition Engineer responsible for migrating the Data Center from IPC to IPC-2. Successfully migrated white-glove applications using methods like Lift & Shift, Reinstall, SRDF, and Backup & Restore.
  • Migrated critical applications running on GPFS, AIX/Netezza, AIX/Veritas Volume Manager, and PowerHA.
  • Collaborated with application teams on JVMs, IBM HTTP IHS, and NDM Servers, ensuring smooth transitions and deployments.
  • Configured network services such as NFS, NIS, NIS+, DNS, and LDAP, and installed/supporting Apache Web Server, IBM HTTP Server, Oracle 8i/9i, and SQL Server on UNIX systems.
  • Extensive experience with Apache, Tomcat, WebSphere, and JBoss application servers, including installation, integration, tuning, and troubleshooting.
  • Migrated AIX 5.3 to AIX 6.1 using ALT Install NIM migration and performed network setup with TCP/IP, NIS, NFS, DNS, SNMP agents, DHCP, and Proxy.
  • Planned and implemented system upgrades, including hardware, operating systems, and periodic patch updates.
  • Managed deployment of application EAR files, and opened and tracked Change Management Records (CMR) and Incident Management Records (IMR).
  • Created and managed LPARs and Dynamic LPARs on IBM servers (e.g., p550, p570, p595, p770), and configured Virtual Servers on VMware ESX/ESXi with operating systems installed on guest servers.
  • Installed, configured, and administered IBM WebSphere Application Server V4.0 with DB2 UDB and IBM HTTP Server (SSL-enabled) on AIX, providing technical support to end-users.
  • Monitored hardware/software on Sun and Red Hat Linux, resolving issues in production and development environments based on alerts and errors.
  • Installed and administered VIO servers (dual) and VIO client LPARs via HMC, configuring virtual adapters (vSCSI, FCS, shared Ethernet).
  • Experienced in Fiber Channel, SCSI, iSCSI interfaces, and related tools for troubleshooting on Solaris 10.
  • Troubleshot Linux network and security issues using tools like IPTables, Firewall, TCP Wrappers, and NMAP, while capturing packets for analysis.
  • Created and maintained user accounts, profiles, security rights, disk space, and process monitoring.
  • Set up Linux Virtual Machines using VMware Virtual Center and AIX LPARs on P770 and P780.
  • Installed firmware upgrades, kernel patches, and performed performance tuning on UNIX/Linux systems.
  • Installed RedHat Linux using kickstart, applied company security policies, and cloned Linux VMs using VMware Virtual Client 3.5. Migrated servers between ESX and Xen hosts.
  • Created and tested new groups in development/QA environments before implementing them in production.
  • Worked with project managers and auditing teams to implement PCI compliance, setting up FTP and installing SSH across all servers.

Unix System Engineer

IBM – WellPoint
02.2009 - 09.2011
  • Expert in AIX Installation/Migration, utilizing NIMADM and Network Installation Manager (NIM) for seamless deployments and upgrades.
  • Proficient in configuring and managing RPM/YUM packages, patches, and server maintenance.
  • Extensive experience with network services, including NIS, DNS, DHCP, NFS, LDAP, SAMBA, and Postfix, along with advanced security troubleshooting.
  • Skilled in LPAR creation and management via HMC, with expertise in setting up NIM servers/clients for migration and installation.
  • Strong knowledge of LVM for volume management, disk mirroring, and performance tuning using tools like topas, iostat, and vmstat.
  • Conducted backups and system recovery using mksysb, ensuring robust disaster recovery processes.
  • Installed and administered Red Hat Enterprise Linux environments and configured TCP/IP networks for Linux and AIX systems.
  • Implemented MPIO for high availability and conducted capacity planning for production and testing environments.
  • Managed network backup, restores, and archiving with TSM, and installed monitoring agents like Tivoli.
  • Experienced in P2V, V2V, and P2P migrations, along with deploying tools like NetBackup, Autosys, and Guardium.
  • Specialized in tuning and troubleshooting Apache, Tomcat, WebSphere, and WebLogic servers.
  • Delivered 24x7 production support, including on-call and weekend availability, ensuring minimal downtime.
  • Implemented SUDO, SSH, and SOX-compliant security measures, alongside knowledge of vPCs, VLAN tagging, and networking protocols.

Education

Bachelor’s Degree - Computer Science

Osmania University
Hyderabad, India
09.1989 - 07.1993

Skills

    Technical Skills

  • Operating Systems: AIX, Red Hat Enterprise Linux, Solaris

  • Server Management: LPAR creation and management, NIM setup and administration, mksysb backup and recovery, VIO servers and LPARs

  • Tools & Technologies: Tivoli Storage Manager (TSM), Tivoli Monitoring Agents, NetBackup, Autosys, Netcool EMM, Tripwire, Guardium

  • Programming/Configuration: RPM, YUM, Apache, Tomcat, WebSphere, WebLogic

  • Networking: TCP/IP, NIS, DNS, DHCP, NFS, LDAP, VLAN tagging, Virtual Port Channels, SSH, FTP, SUDO

  • Storage Management: LVM, disk mirroring, MPIO, capacity planning, Veritas Volume Manager

  • Performance Tuning: topas, iostat, vmstat, svmon

  • Security: SOX compliance, SUDO, SSH, firewall troubleshooting, security policies implementation

  • Virtualization & Migrations: P2V, V2V, P2P migrations, VMware ESX/ESXi, AIX LPARs

  • Application Servers: Apache, IBM HTTP Server, Tomcat, WebSphere, WebLogic

  • Backup & Recovery: Network backups, disaster recovery, archiving

  • Compliance: PCI compliance, SOX implementation

    • Soft Skills

  • Capacity planning and resource allocation

  • Strong collaboration with project managers and auditing teams

  • 24x7 production support and troubleshooting expertise

  • On-call and weekend support availability

Timeline

Unix System Engineer

Kyndryl-Fannie Mae
11.2016 - 04.2024

Unix System Engineer

IBM-Kaiser Permanente
11.2013 - 11.2016

Unix System Engineer

IBM-American Express
11.2011 - 10.2013

Unix System Engineer

IBM – WellPoint
02.2009 - 09.2011

Bachelor’s Degree - Computer Science

Osmania University
09.1989 - 07.1993

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ASAD M KHANUnix Admin