Linux Tehnical Architect / Linux Technical Lead
- Verfügbarkeit einsehen
- 0 Referenzen
- 45€/Stunde
- 300639 timisoara
- Europa
- ro | en
- 29.11.2018
Kurzvorstellung
Hardware: HP Proliant and Dell, Blades and Rack mounted, Bullion Servers
Virtualisation: ESX/VMware, KVM/Red Hat, OVM
Cluster, etc
Qualifikationen
Projekt‐ & Berufserfahrung
4/2015 – 5/2015
Tätigkeitsbeschreibung
• Preparing servers for transition: Determining the servers to be transferred to offshore company, making plan for transfer
• DC work: Checking and noting cable configuration for physical servers
• Understating the environment: Creating a landscape matrix to be presented to the offshore team, documenting all information about Linux / UNIX servers to be transferred in order to handover to the team
• Plan transformation: Propose plan for automatizing Linux / UNIX servers for the new support team, planning new Linux sale offer with sales team.
Red Hat Enterprise Linux (RHEL)
3/2015 – 4/2015
Tätigkeitsbeschreibung
• Preparing servers for transition: Determining the servers to be transferred to offshore company, making plan for transfer
• DC work: Checking and noting cable configuration for physical servers
• Understating the environment: Creating a landscape matrix to be presented to the offshore team, documenting all information about Linux / UNIX servers to be transferred in order to handover to the team
• Plan transformation: Propose plan for automatizing Linux / UNIX servers for the new support team, planning new Linux sale offer with sales team
Red Hat Enterprise Linux (RHEL)
3/2014 – 8/2014
Tätigkeitsbeschreibung
• AD integration with Linux: Design, plan and implement IDM solution with IPA servers for Red Hat 6 Linux servers with unidirectional synchronization
• Users command line activity: Creating solution, planning and implementation, this solution would send all commands entered by any user in command line directly to a Splunk server keeping the initial login and timestamps details
• VM autodeploy for business owners: installed and configured Foreman, and integrating with VMware, so non-technical owners and DBA team can deploy their own machines with couple of clicks
• Business as usual: L2 and L3 support, CHG for install, decommission or change the servers
Other Key responsibilities: Recommending and implementing solutions for other hot topics, Single point of contact
Red Hat Enterprise Linux (RHEL)
3/2013 – 7/2016
Tätigkeitsbeschreibung
• DC migration: Migration of both physical and virtual machines.P2P and P2V of various Linux Enterprise versions. Preparing, patching and upgrade prior to migrations
• SAN Storage Migration: Migration of Linux servers from EMC DMX/Clariion to new EMC VMAX
• Infrastructure redesign: Consolidation of old HW (HP Proliant G2-5) to new HW (HP Proliant G7-9), P2V migrations, Redesign of Networking solution with HP Sim Virtual Connect, VLAN Tagging (meant also having network admins change Switch Config), Patching HP blades
• Services Migration: Supported Application experts in migrating application landscape components or whole service to new HW/Location(DC)
• Customer Carve-outs: Large customer exit program from current IT provider to new IT provider
• Migrated from SUSE 9 to Solaris 11SP4 using distribution update
• Physically cabling, installing and configuring HP Proliant servers in DC racks
• Platform Automation with SUSE Manager 1.7 and Red Hat Satellite 5.6
• Linux security audit Responsible for finding and implement solution to patch the Linux servers based on security baselines and customer needs
• VMvare related activities : virtual machine clone, migration, configuration, upgrade , downsize, resource allocation, created customizable templates for different OS versions single & multi-processor
Other Key responsibilities:
• Design and implementation: Complex solutions using latest technologies and Complex Clusters using HP Service Guard Cluster, SLES SAP Hana Cluster
• Infrastructure Roadmap, Business Case, Operating costs optimizing BID teams support in Sales cases
• New Solutions with Application Architects (SAP, Archiving, Middleware, Backup )
• Mentoring Linux team mates, teaching in Atos Linux Academy. Supporting L1,L2,L3
• Vendor interfacing for new trends/technologies Price negotiations (HW/SW/Support/licensing solutions)
Other Key responsibilities:
• Design and implementation: Complex solutions using latest technologies Wpar Cluster farm
• Infrastructure Roadmap, Business Case with P&L projections for new investment presented to Senior Management,
• BID teams support in Sales cases
• New Solutions with Application Architects (SAP, Archiving, Middleware, Backup )
• Mentoring Linux Team mates. Supporting L1,L2,L3
• Vendor Interfacing for new trends/technologies Price negotiations (HW/SW/Support/licensing solutions)
Red Hat Enterprise Linux (RHEL), UNIX
12/2011 – 4/2012
Tätigkeitsbeschreibung
Acted as a L2/L3 Administrator. Responsibilities were to solve Remedy/OSD/DSD Tickets and Perform Remedy/OSD Changes for installations disposals and modifications of severs. This activity meant using the following technologies:
Network configuration and troubleshooting server
Performing Restore activities for OS
Storage maintenance multipath, Powerpath,
Scripting: building scripts for backup checks, application error troubleshooting, basic maintenance and proactivity, storage clones, system copy, cron jobs
Installation Updates/Upgrades Linux
OS Performance tuning SAP/Oracle environment. Kernel Parameters
Application OS level support: Sap/Oracle, Web Sphere, Apache.
RCA (Root Cause Analysis) Permanent On Call service 24/7 for all Linux infrastructure ~500 servers. Red Hat Service Request (SR) uploaded snaps to Red Hat.
Red Hat Enterprise Linux (RHEL)
Zertifikate
Ausbildung
Timisoara
Weitere Kenntnisse
Hardware: HP Proliant and Dell, Blades and Rack mounted, Bullion Servers
Virtualisation: ESX/VMware, KVM/Red Hat, Oracle OVM
Cluster: HP Serviceguard for Linux with Oracle ASM storage and LVM mirror, RHEL 5/6/7 Cluster Suite, SLES 12 SAP Hana cluster with pacemaker
Migration: Physical to physical, physical to virtual with PlateSpin, VMware Converter, Linux utils
Installation/Upgrade: Installation, Patching, Update, Upgrade, Decommission
Network Administration: Bonding, teaming, virtual IPs, troubleshooting, VLAN tagging
Disk Administration: Native multipath, EMC PowerPath, Veritas Volume Manager / Cluster, LVM
Automation:
Setup PXE Boot Environment using Cobbler for automatic deployment of new Linux servers (phys & virtual),
Linux authentication with AD using IDM solution from Red Hat and LDAP, Setup bootstrap scripts with post install configuration steps,
Chef – writing receipts to ensure security baseline is kept on servers,
Puppet – updating manifests to ensure security baselines and required Linux packages installed,
Installing and configuring Red Hat Satellite 5.6 and SUSE Manager 1.7 – 2.1, used for automatic patching, repository and reporting
Implementing Cluster SSH, OCS inventory
Scripting: creating, updating and troubleshooting scripts in BASH
Application support: JBoss, Tomcat, Apache
Server Datacenter migration Linux and Solaris
SAN Storage Server migration Linux Solaris
Deep understanding of Clustering solutions and clustering filesystems.
Understanding of SAN Fibre and Fibre Zoning EMC DMX/Vmax and command line utilities (symcli).
Understanding of Switches and Networking Extensive understanding of DNS and Name Resolution, IP
Database understanding and support Oracle DB, MySQL, PostgresSQL
Role: Linux Technical Lead, managing a team of 7 technicians, 3 seniors and 4 juniors, responsible for Nordic countries, Finland, Sweden, Denmark
Oracle Solaris
Virtualization: Solaris Zones (Containers) Linux branded Zones OracleVM
OS : Solaris 10, 11
Servers: Oracle SPARC servers M-series T-series x86
Installation/Upgrade: PKG, Patching, Upgrades
Network Administration: IPMP, Link Aggregation, ipadm, dladm VLAN Tagging
Disk Administration: SAN, FC native multipath, EMC PowerPath UFS, ZFS, NFS, ASM
Persönliche Daten
- Englisch (Fließend)
- Rumänisch (Muttersprache)
Kontaktdaten
Nur registrierte PREMIUM-Mitglieder von freelance.de können Kontaktdaten einsehen.
Jetzt Mitglied werden