Malik - Administrateur système LINUX

PROFESSIONAL EXPERIENCE
Since May 19 HPC/GPU Cluster System Administrator at Total for IBM
Providing GPU HPC engineering to operate and support mission critical infrastructure services to all
consumers ensuring their stability and integrity.
• Responsible of the level 3 support of 566 nodes based of IBM AC922 Nvidia GV100 GPU HPC
• Taking technical ownership of user reported problems in support of levels 2 and provide hands-on
support for scientific applications and libraries and users of high-performance computing systems
and clusters
• Compile and debug large science and engineering applications.
• Identify and resolve system-level bugs in conjunction with other technical staff.
• Install third-party software applications and tools and provide documentation for usage.
• Proactively ensure that users have up-to-date information about the system, including any changes
and their impact on the users
• Design, implement and maintain infrastructure requirements for the production, development /
testing environment
• Assure the overall cluster stability as Level 3 support
• Develop and enhance automated processes to release new solutions into the live environment
• Support operations for high priority incidents
• Define and maintain Engineering and Operations standards
• Adherence to SLA
• Customer satisfaction
• Assure a minimum percentage of downtimes
Technical environment:
IBM Spectrum LSF Suites 10.1.0.0, IBM AC922 Power9 (8335-GTX),Mellanox Infiniband, Lustre 2.12, GPU Nvidia Tesla
V100, Nvlink, Redhat 7.6,DDN SFA18K storage bays, Water Cooling CDU
May 18 to May 19 System and network Engineer at SF2i (New Caledonia)
• Systems and Network Engineer specialized in Linux technologies
• Linux Trainer for SF2i PF (Tahiti)
• Administration interconnected networks environments
• Implementation of architectures using Linux technologies
• Performing technical audit of IT infrastructures

February 16 to May 18 HPC Systems Engineer at Safran Helicopter Engines

In charge of maintaining operational excellence of the company SGE HPC cluster composed of
70 virtual and physical servers.
• General administrative tasks related to various IT systems
• Onsite technical assistance for installation & support
• Prepare, execute and check system change requests as part of regular change windows
• Provide multi-tier support to and collaborate with internal customers as well as other IT team
members
• Building tools that allow engineers and production’s admin to streamline/formalize process
• Create technical documentation
• Debug / troubleshoot issues by collecting data across systems as well as proactive case
analysis with 3rd parties incl. vendors and consultants
• Trainings as part of systems handover processes to production
Technical environment:
RHEV 6.3.0.3, KVM, Red Hat 5/6/7.2, Debian 8.3, Solaris 8-10, Sun Grid Engine, Stockage Netapp, MySQL,
ITSM, XCat.
Mar 11 to February 16 Le Grand Dax
Network and system Administration
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Vmware cluster server installation/administration
• Disaster recovery plan multi-site designing with Vranger replications
• Nagios/Icinga integration for the current infrastructure
• Day to day Network and System administration
Technical Environment :
- Linux Debian /Nagios, Cacti, Watchgard XTM, Vranger Backup & replication 6.0,VMWare esx,Vsphere,
Virtual Center, VMWare Virtual infrastructure 5.0, IBM DS3512 SAS, IBM x3650 M4.

Nov 10 to Mar 11 IBM (Lausanne, Switzeland)
Solaris System engineer
• Managing a Solaris physical servers migration onto zones to M4000 new servers project
for the IBM Banking competence center in Lausanne
• Oracle solaris 10 & 11 administration
• Veritas Cluster administration
Technical Environment :
- Solaris 8/9/10,11, Oracle, Mysql, Sun Cluster 3.2, IBM M4000, V890, V880

May 09 to Feb 10 BEARSTECH
Network and System Engineer
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• Administration of a Debian Linux webfarm
• Webfarm administration
• Network configuration
• Day to day security, maintenance and administration tasks
Technical Environment :
- Linux Debian 6/Redhat5, Nginx, Datacenter, Apache2, Nagios,Monit, Memcached 1.4.5, Cacti0.8.8, Bladecenter,
Mon,Redmine,Trac
Septembre 07 to Mai 09 SOCIETE NEC France (Le Plessis-Robinson)
Imode Project for Bouygues Télécom (BYT)
Sun Solaris system engineer
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Head of Operations updates and of the High Availability of the Production environment
• Ensure the operational integrity of production and testing environments,
o Sun Cluster, Veritas, jumpsart, dns
• System architecture of new projects.
• Level 3 support and administration of the production environment in Sun Solaris 8/9/10.
• Documentation of all my work
Technical Environment:
- Solaris 8/9/10, Veritas Volume Manager, Oracle, Mysql, Sun Cluster 3.2
- V890, V490, E4900, Sun StorageTek 6920, 3510, 3310, 3320
January 05 to September 07 PROSODIE (Vélizy-villacoublay)
Systems engineer Unix/Linux
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• ESX Vmware installation and configuration up to 40 DELL 6850 ~500 virtual machines.
• Migration of a Windows NAS to a linux IPStor NAS solution.
• EMC Clariion CX500 and CX700 administration.
• MAIL/DNS company and customers administration.
• New project systems configuration installation and deployment
• Level 3 system and network support
• Writing technical documentations.
• Backup administration for shared and dedicated pools on NetBackup and automation tasks scripting in
bash or ksh
Technical Environment :
- Solaris 8/9/10, ESX Vmware, Apache, IpStor NAS, Clariion CX500 & CX700, shell scripting

January 04 to June 04 SOCIETE GENERALE (Val de Fontenay)
Project Manager (European project Casheurope)
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• Application updates and bugs coordination with India based project
• Project server administration (Solaris/HPUX/NT)
• Backup administration with NCR tools and HP Omniback.
• Quartz server/client (Bank Management software) and Tuxedo installation.
• Control-M Scheduling management.
• Patch installation and day to day Quartz software management.
March 03 to January 04 ATOS Origin (Blois)
Production system Engineer (visa card center)
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February 02 to January 03 ACCENTURE (London)
Sun cluster system engineer
Sun cluster project in the Sainsbury’s depot production environment
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• SunFire880 configuration management.
• EMC Clariion FC4700 configuration management
• Sun cluster and backup strategy installation and implementation
• Fail-Over solution installation with Clatf for a high availability environment
• NIS under Hpux users management
• Coordination and implementation of an Unicenter TNG monitoring solution (Fail over and Recovery)
Technical Environment :
- Solaris 8-9, FC4700 ,Simetrix, Hpux U 9000/810 ,HP Netserver E800 ,Manhattan PkMs ,Seebeyond
E*Gate, Control-M, Visibroker, Oracle, Veritas Cluster Server, Veritas Volume Manager.

June 01 to January 02 ACCENTURE (Paris & Amsterdam)
Solaris system engineer
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• SUN E420 server administration, Solaris 8 & StoreEdge D1000.
• Raid 5 mirroring configuration under RM6.
• Backup with DLT tape
• Installation and configuration of a monitoring solution with Big Brother
• Installation and configuration of various software like Vitria, Clarify, Tuxedo, Netscape Server
• Environment replication to multi-site from France to Amsterdam (Oracle,Tuxedo..)
Technical Environment :
- Solaris 8, E420, E10000, Apache2, Veritas, Oracle, Tuxedo, Vitria, Clarify, Netscape Server

June 99 to April 01 EASYNET (Paris)
Unix and Linux system administrator
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• Architecting the structure of the datacenter
• Network and server administration
• Squid proxy installation and administration
• Customer network and system management and maintenance
• Load balancing configuration with Iron server solution
• Dedicated server system troubleshooting
Technical Environment :
- FreeBSD, RedHat, Debian,Apache,Squid, Solaris 8, HP UX, DNS administration, (Bind 8)NetBackup, Arc Servit
- Network shapping with Packet shapers, cisco router