freiberufler Linux Tehnical Architect / Linux Technical Lead auf freelance.de

Linux Tehnical Architect / Linux Technical Lead

offline
  • 45€/Stunde
  • 300639 timisoara
  • Europa
  • en  |  ro
  • 29.11.2018

Kurzvorstellung

Enterprise OS: RHEL 3, 4, 5, 6, 7 and SUSE 8, 9, 10, 11 and 12, Red Hat certified engineer on version 6 and 7

Hardware: HP Proliant and Dell, Blades and Rack mounted, Bullion Servers
Virtualisation: ESX/VMware, KVM/Red Hat, OVM
Cluster, etc

Ich biete

  • Red Hat Enterprise Linux (RHEL)
  • UNIX

Projekt‐ & Berufserfahrung

Linux Specialist - Transition and Transformation
Atos Denmark, 3000
4/2015 – 5/2015 (2 Monate)
Telekommunikation
Tätigkeitszeitraum

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.

Eingesetzte Qualifikationen

Red Hat Enterprise Linux (RHEL)

Linux Specialist - Transition and Transformation
Atos Sweden, 3052
3/2015 – 4/2015 (2 Monate)
Telekommunikation
Tätigkeitszeitraum

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

Eingesetzte Qualifikationen

Red Hat Enterprise Linux (RHEL)

Linux \ UNIX Consultant
European Chemicals Agency, 00121
3/2014 – 8/2014 (6 Monate)
Öffentliche Verwaltung
Tätigkeitszeitraum

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

Eingesetzte Qualifikationen

Red Hat Enterprise Linux (RHEL)

Architect Linux (Senior Linux System Administrator) and Technical lead for Linux
Kundenname anonymisiert, 2541
3/2013 – 7/2016 (3 Jahre, 5 Monate)
IT
Tätigkeitszeitraum

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)

Eingesetzte Qualifikationen

Red Hat Enterprise Linux (RHEL), UNIX

Linux System Specialist
Siemens IT Solutions and Services, 30000
12/2011 – 4/2012 (5 Monate)
Telekommunikation
Tätigkeitszeitraum

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.

Eingesetzte Qualifikationen

Red Hat Enterprise Linux (RHEL)

Zertifikate

RHCE 7
November 2015
RHCSA 7
November 2015
RHCE 6
November 2014
RHCSA 6
November 2014

Ausbildung

RH300
(Red Hat Linux Engineer)
Jahr: 2015
Ort: Timisoara

Qualifikationen

Enterprise OS: RHEL 3, 4, 5, 6, 7 and SUSE 8, 9, 10, 11 and 12, Red Hat certified engineer on version 6 and 7

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

Sprache
  • Englisch (Fließend)
  • Rumänisch (Muttersprache)
Reisebereitschaft
Europa
Profilaufrufe
2533
Alter
37
Berufserfahrung
15 Jahre und 3 Monate (seit 03/2007)
Projektleitung
6 Jahre

Kontaktdaten

Nur registrierte PREMIUM-Mitglieder von freelance.de können Kontaktdaten einsehen.

Jetzt Mitglied werden