Timişoara, Timiş, Romania
I am a highly motivated IT infrastructure engineer, with a background of 10 years experience in Unix/Linux. My skills cover the IT infrastructure as a whole with good understanding level of Virtualization (Cloud), Network (LAN), Storage (SAN) and Backup. My Specialties are IBM AIX, Linux RHEL/CentOS where I have developed my strongest skills. I also have good skills with Oracle Solaris. I have very strong communication skills in interacting with all levels of the organization and public. I am a multitasking person with strong personality and solution driven attitude. My personal goal is to keep-on improving and maintaining myself at expert standards. Current Competencies: Unix&Linux - Linux (RHEL/CentOS, SuSE, Debian - full OS administration) - AIX (AIX 5.3, 6.1, 7.1, 7.2 full OS administration, PowerVM, LPAR installation and configuration, LPAR resource management, VIOS core administration network and storage virtualization implementation (SEA/NPIV/MPIO), NIM installation and configuration, LPM, KDB, Patching, WPAR management, problem troubleshooting) - Solaris 10, 11 (core OS, IPMP, SVM, ZFS, VxVM, Patching, Virtualization with Zones, LDOMs) - Network services (FTP, DNS, SMTP, POP3, IMAP, NFS, HTTP, CIFS, SSH) - Monitoring (HP OpenView, Nagios, Check_MK, Cacti, Munin) Virtualization - IBM PowerVM - Oracle VM for SPARC (Solaris LDOMs) - Oracle Solaris Zones - Linux KVM Clustering - IBM HACMP/PowerHA (5.5, 6.1, 7.1.3, 7.2.1) - RHEL/CentOS 6 cluster - Pacemaker on RHEL/CentOS 6/7 Storage - SAN-Storage Move at OS level (LVM, SVM, ZFS) - SAN-Storage Mirroring at OS level - Cloning via EMC Solution Enabler - BCV, simple clones, SRDF sync/async - Cloning via HDS VSP ShadowImage, TrueCopy - Multipathing Software: PowerPath, DM-Multipath, AIX MPIO, Solaris MPXIO Backup (client side) - Legato Networker - TSM - Netbackup Landscape Activities - DC migrations - DR tests - OS/DB recovery tests - Cluster tests - OS update/patching (AIX, VIO, Solaris, Linux) - OS upgrades (AIX, VIO, Solaris, Linux) - Virtualization changes (LAN segregations) - Firmware update/upgrade Scripting & Automation - KSH and BASH scripting - Ansible (Infra-As-a-Code approach)
- Main Responsibility: Technical Lead for Linux/UNIX project supported by Atos Romania. - Supporting 600+ AIX LPARs, 300+ Solaris servers, 1000+ Linux servers - Responsible for T&T and ramp-up of new Atos clients running AIX/SOLARIS/Linux technology - CLO (Customer Landscape Owner) role for one of the biggest Atos customers which runs on AIX / SOLARIS / LINUX. - TPM (Technical Project Manager) role for some projects (DC/Storage/OS migrations). - Maintaining the technical documentation for existing and new client infrastructures. Close work with architect for creating LLD (Low Level Design) documentation. - AIX/Linux coaching, task prioritization, coordination and status follow-up inside the team. - 2ndL & 3rdL support for AIX servers (AIX 5.3 / 6.1 / 7.1 / 7.2) including performing 24x7 on-duty - 2ndL & 3rdL support for LINUX servers (RHEL 5,6,7,8) including performing 24x7 on-duty - 2ndL support for SOLARIS servers (8,9,10,11) including performing 24x7 on-duty - Support for OS cluster solutions: AIX (PowerHA), Linux (RHEL cluster, Pacemaker). - Support for OS updates: RHEL Satellite (5,6), Spacewalk (v2), NIM, Jumpstart, AIIPS. - Support the consolidation and continuous improvement of the client infrastructure, including disaster recovery plan and all futures needed migrations - Installation, configuration, maintenance, troubleshooting, incident & change resolution and root cause analysis according to the SLA and ITILv3 standards. - Close work with other teams and clients on deploying new solutions and delivering the requests (teams – Cloud, Storage, DC Infrastructure, Network Layer 2 and 3, Backup, Windows) - Recommend and implement solutions for task automation via scripting (Bash, KSH, Ansible, BMC BladeLogic). - External Linux (RHEL/CentOS) company trainer. Perform annual training at “Politehnica” University of Timisoara for “Automation and Computers” Faculty students. I have performed also student recruitment for the company along this training
AIX & Linux: - Working with 600+ AIX and 700+ Linux servers - Provide 2ndL and 3rdL support for AIX and Linux landscapes, RCA, incident and problem management - Working with multiple shared AIX environments running Power 6,7,8 frames from IBM (P770, P780, P795, S814, S822, S824) or Bull (Escala E4-800) and Linux environments running mainly on HP Gen 7,8,9 blade enclosures or DL rackable servers - Installation and configuration for HMC and AIX NIM servers with HANIM and DSM features - VIO server design and implementation with fully redundant interface in the SAN & LAN (Trunk/SEA, NPIV, vSCSI, MPIO) - Ensure the implementation of DLPAR (Dynamic LPAR) / LPM (Live Partition Mobility) best practices - Manage DPO (Dynamic Platform Optimizer), AME (Active Memory Expansion), AMS (Active Memory Sharing),Media Repository, Shared Storage Pools, Shared Processor Pools and other PowerVM Enterprise features - Installation and configuration of AIX LPARs/WPARs running AIX 6.1, AIX 7.1 and AIX 5.3 (via Versioned WPAR) and Linux servers (VMs/blades/rackable servers) running Linux RedHat 5,6,7, Linux SuSE 10,11,12 - Provide AIX OS patching (for AIX LPARs/WPARs, VIO LPARs), Linux OS patching and frame firmware updates - HACMP/PowerHA 5.5, 6.1, 7.1.3 (Standard and Extended Editions) cluster design and implementation based on customer demands or application/database requirements - Pacemaker/Corosync on RedHat 7 cluster design and implementation based on customer demands or application/database requirements - Support for Network Services: LAMP evironment, IBM HTTP Server, Samba, NFS, FTP, Bind Solaris & HP-UX: - Working with 100+ HP-UX and 80+ Solaris servers and provide 2ndL support - Installation of Oracle Solaris 10,11 on SPARC platforms (M5000, T4-1) in global (LDOM) and local zones - Installation of HP-UX 11.31 on HP Integrity Superdome 2 in vpar/npar partitions - SAN storage configuration on Solaris (ZFS, SVM, VxVM) and HP-UX (LVM) - Patching - Handling daily incidents and changes
- 2nd L support for Linux/Solaris servers (Solaris 9, 10; RHEL 4, 5; SLES 9, 10): installation, configuration, maintenance, troubleshooting - 2nd L On-Call support 24/7 for the entire infrastructure of Linux and Solaris servers (troubleshoot critical events impacting production servers) - Provide customer support and consulting based on ITIL compliant incident, problem, change and configuration management - Close work with other teams and clients on deploying new solutions and delivering new projects (internal teams – Storage, Data Center Infrastructure, Network Layer 2 and 3, Backup, Application) - Recommend and implement solutions to improve performance - Internal company trainer for Linux (RHEL/CentOS/SuSE). Performed a planned RHEL5/SuSE10 training for internal Backup & Storage Team - External Linux (RHEL/CentOS) company trainer. Performed training for Polytehnic University of Timisoara, division of “Automation and Computer Science” within AC Labs Program. I have performed also student recruitment for the company - Support continuous improvement of infrastructure design and build