Ivan Rakus
B&I Consultant ICT Systems at Aliter Technologies- Claim this Profile
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English B2-C1 Professional working proficiency
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Bio
Credentials
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AWS Storage- S3, Glacier, EFS, EBS, Storage Gateway, AWS MasterClass: Storage & CDN - AWS S3 & AWS CloudFront, Amazing AI: Reverse Image Search, Serverless Computing with AWS LAMBDA- FaaS
UdemyNov, 2020- Nov, 2024 -
IBM Watson Assistant for Customer Care Technical Mastery V1, IBM Certified Specialist Storage Technical V1, Implementing AIX Security Features (AN57G), PowerHA/XD and DR (AN44), PowerHA 7.2 Smart Assist (for Oracle 12c) (AN61G), AIX SAN Management (AN49)
IBMNov, 2019- Nov, 2024 -
Machine Learning for Data Science , IaaS Cloud Computing With OpenStack MasterClass Part1, Part2, CCSP Certified Cloud Security Professional, Certified Ethical Hacking MEGA Course, Practical Deep Learning (Image Search)
UdemyFeb, 2019- Nov, 2024 -
Power Systems with POWER8 Enterprise Technical Sales Skills V1, Power Systems with POWER8 Scale-out Technical Sales Skills V1, IBM System p Technical Sales Support, Power Systems Sales for AIX and Linux
IBM
Experience
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Aliter Technologies
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Slovakia
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IT Services and IT Consulting
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1 - 100 Employee
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B&I Consultant ICT Systems
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May 2014 - Present
* working as an experienced customer facing technical consultant and SME/FTE on ICT Systems Division * providing: build, install and configure large partitioned environments for complex AIX landscape (e.g. SAP) or any other business critical systems manage and maintain complex infrastructure implementations including HA+DR clusters (e.g PowerHA running DB2 or Oracle) analyze and troubleshoot various performance related issues and providing RCA and optimizations guidance to service improvements, transitions or systems migrations (e.g. P2V) serious level of knowledge in proxy systems/technologies & security related topics support for SWH / Dev and DevOps teams * participating on: design, implementation and delivery stages of large complex infrastructure projects for customers functional and non-functional specifications for given requirements in the solution delivery process and project management creation and maintenance of various documentation for customer or project following internal, business or project guidelines * developing: and reviewing high-level or low-level solution design closely with (solution) architects standards and PoC solutions to ensure adherence to established technology deployment models in automated datacenters for providing and deploying IaaS (and/or PaaS) scripts, improving automation, enhance orchestration * responsible for: leading some of technical or other particular aspects of projects driving resolution (RCA) of identified problems and incidents during post change/implementation * familiar with: OpenStack services and Rest-API, RHEL 7/8, (GPFS), POWER9, PowerAI Vision other security systems knowledge like WAF, IPS/IDS, FW, load-balancers Cisco networking technologies (SAN, LAN) , ACI issue tracking tool Jira and collaboration suite Confluence * other: scope of knowledge from OpenFirmware (Power9) to OpenStack (ICMwO) interested in AI and ML Show less
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First Data Corporation
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United States
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IT Services and IT Consulting
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700 & Above Employee
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System Engineer / AIX
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Dec 2010 - Apr 2014
EMEA UNIX Distributed Systems * maintain production transaction systems running business critical applications (AIX platform) * build, install and configure VIO (NPIV) and LPAR environments (P6/P7 machines), using NIM * support and build systems running VCS clusters with Oracle (+ Shareplex), DB2, MySQL, and Oracle RAC * working under strict change management model and incidents (CM/IM/PM) in accordance with ITIL * implementing security baseline, hardening (aixpert, EFS) and auditing for PCI DSS compliance * provide performance tuning, analyzing, optimizing and monitoring, debuging and tracing, implementing WLM configurations * performing SAN storage migrations (standalones, clusters) * participating on migration projects in extensive international environment * handling service request and open calls related to HW/SW vendor * taking 24x7 on-calls Technologies (usually various enterprise): * IBM technologies: platform native + MQ Series, Rational, TSM * EMC technologies VMAX / SYMMETRIX, Datadomain, Clariion , VNX * Veritas technologies: VCS clustering, NetBackup * Others: Opsware / HP SA, BMC Remedy, CA SD (CMDB), PPM, Imperva, Vormetric Show less
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Asseco Central Europe
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Slovakia
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IT Services and IT Consulting
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400 - 500 Employee
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System Specialist / UNIX / AIX
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Oct 2007 - Nov 2010
System & Database Support department * maintain various commercial UNIX server's issues in complex (AIX, HP-UX, Tru64, Solaris, Linux) * design and implement system infrastructure (IBM, HP) for project or customer * support customer's projects in all their stages and development teams on as needed basis (Oracle / Informix / Progress, XLC/Java, WAS/HTTP / IHS) * analyzing and troubleshooting (network), performance tuning (i/o) * keeping maintenance and vendor contracts information up to date Technologies (various enterprise): * IBM Systems (P4/P5) and Storage (DS4K/5K) + all platform native, JS blades, IBM BladeCenter S * HP Servers (Integrity rx7640, rx6600, blades) and Storages (EVA4100) including operating systems HP-UX (11i v2 & v3) and virtualization technologies nPar/vPar, HP VirtualMachines and systems running Tru64 (Dec Alpha DS10/DS20E) * Sun Microsystems: Solaris 8/10 on UltraSPARC III, ZFS * Oracle 9/10/11, Informix 10/11.5, Progress 9/10.2 * Others: VMware/ESX4i, iSCSI, SAN/NAS, NFS Show less
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Education
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1992 - 1997
Slovak Technical University (FEI STU)
Master's degree, Solid state physics and electromagnetic fields -
1988 - 1992
Grammar School of Ľ. Štúra, Trenčín
Specialized on electrical engineering, A
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