Dipl.-Ing. Lazar Nakinov
Angestellt, Systems and Database Administrator (OPS DBA), AIG Europe S.A., Direktion für Deutschland
Frankfurt am Main, Deutschland
Werdegang
Berufserfahrung von Lazar Nakinov
Bis heute 6 Jahre und 3 Monate, seit Apr. 2018
Systems and Database Administrator (OPS DBA)
AIG Europe S.A., Direktion für Deutschland
2 Jahre und 9 Monate, Juli 2015 - März 2018
Database Technical Subject Matter Expert
Ericsson GmbH
5 Jahre und 1 Monat, Juli 2010 - Juli 2015
Senior BSS Consultant
Ericsson GmbH
Senior BSS consultant in West and Central Europe working for several largest Telecom operators in RWCE, RMED and RMEA regions; Most of my time I am spending in troubleshooting & tuning complex billing systems spanning across multitier architectures using latest high end server/storage/network technologies running on very large single and RAC Oracle databases having rigorous availability demands and very fast response times under mixed Oracle workloads.
1 Jahr und 2 Monate, Juni 2009 - Juli 2010
Senior Consultant
LHS Telekommunikation & Co. KG
Senior Consultant in Competence Centre Europe (Technical Lead Dept) with a role of Core Performance Lead responsible for analyzing and tuning billing systems with regards to load behaviour, throughput, memory consumption, latency, I/O performance and scalability in a highly concurrent OLTP/DSS environments using various file systems/vertical volume managers (GPFS, ZFS, CFS, VxFS, OCFS2 / ASM) on various OS (AIX, Solaris, HP).
1 Jahr und 2 Monate, Mai 2008 - Juni 2009
Senior Oracle DBA
Seavus
Working with Oracle database 8i, 9i, 10g and 11g in implementation, configuration, tuning & administration under Windows and Unix environments for various Telecom projects; Anti-money Laundry Agency; Government Institutions and Founds.
4 Monate, Juli 2008 - Okt. 2008
Backend Systems Support
Undisclosed Company
On site support engineer for a financial institution in Manhattan, New York (USA) responsible for: - Maintaining integrity of users and their entitlements in the databases and their dependent systems - Maintaining data/transactions integrity - Applications maintenance - Monitoring background processes - Reporting - Stored Procedures troubleshooting/debugging - Monitoring OS processes - Provide database support during large bulk roll-outs in cooperation with other teams
6 Monate, Dez. 2007 - Mai 2008
Postpaid Billing System Engineer
COSMOFON, COSMOTE Group
Working on LHS - BSCS iX R2 Billing Platform - Database baseline setup for BSCS iX - Oracle installation & configuration, performance and sql tuning - Advanced PL/SQL programming - Various on demand reports (Unbilled amount, Interconnect, Airtime, Free Talk Time Usage, Bundles) - HP-UNIX shell scripting - Rerating (with custom SQL scripts) - Development of interface for loading data from BSCS to HLR for setting basic network parameters (CLIP/CLIR/SOCLIP/SOCLIR)
2 Jahre, Nov. 2005 - Okt. 2007
Oracle DBA
Seavus
Working on different projects for several European Telecom operators, Telco billing applications (Intake, Invoicing, Reporting), Central Billing System (CBS), Mobile virtual network operators (MVNO) – Tele2, Government projects, Mobile-phone end-users applications etc.
3 Jahre und 7 Monate, März 2002 - Sep. 2005
Developer
Outsourcing
Designing and coding client/server architecture applications on Win32 platform, using Borland Delphi / C++ / JavaME and various RDBMS (Oracle, Interbase and MS SQL Server). - Development and maintenance of Storage managing systems (features for invoices, payments, various financial reports, managing client’s orders etc) - CRM & ERP - Development of Process modelling systems (between various machines, calculating waste & products, working hours, reports etc) for several companies in Macedonia
4 Monate, Jan. 2005 - Apr. 2005
Developer
MCS
Working on an application that incorporates features for monitoring user’s entry/exit from work using smart cards, calculating monthly payment, report system, synchronization with other database servers etc. Technology used was Borland C++/Delphi and Interbase/MS SQL Server as RDBMS.
Ausbildung von Lazar Nakinov
1 Monat, Nov. 2015 - Nov. 2015
VMware vSphere: Install, Configure, Manage [V6]
VMWare
1 Monat, Nov. 2015 - Nov. 2015
3PAR + HP Convergent System Administration
Hewlett-Packard Education Services
2012 - 2012
Oracle Forecasting and Predictive Analysis - Craig Shallahamer
OraPub
Foundations of predictive analysis; Essential forecasting & predictive analysis; Methodically forecasting Oracle performance; Predictive data analysis; Increasing forecast precision; Practical queuing theory; Data collection and workload characterization; Regression analysis (RA); Scalability
1 Monat, Apr. 2011 - Apr. 2011
Advanced Oracle Performance Analysis - Craig Shallahamer
OraPub
Introduction to Oracle System Behaviour Analysis; Setting Up the Fully Quantified Analysis; Executing the Quantitative Performance Analysis and Solution Evaluation; Anticipating Solution Impact Case Studies
1 Monat, Apr. 2011 - Apr. 2011
Oracle Performance Firefighting - Craig Shallahamer
OraPub
Oracle performance diagnosis; Serialization Control; The lock, latch, & mutex; Operating system contention identification; ASH centric response time performance diagnosis; Oracle buffer cache deep internals, diagnosis, and resolution; Oracle shared pool deep internals, diagnosis & resolution; ORTA
1 Monat, Jan. 2010 - Jan. 2010
Ask Tom Live - Tom Kyte
Oracle University
11 - new features of Oracle Database 11g; All about binding; Materialized Views, Caching; Effective Indexing; Storage Techniques; Reorganizing objects - when and how
2010 - 2010
Oracle RAC Deep Dive For Developers
Oracle University
11g RAC Architecture overview and basic principle for developing RAC-aware applications; Development of scalable applications with Oracle 11g RAC; Oracle 11g RAC introduction; Services in RAC; Workload balancing in Oracle 11g RAC; TAF; FAN; Tuning; Best Practices
1 Monat, Okt. 2009 - Okt. 2009
Troubleshooting and Tuning - Jonathan Lewis
Oracle University
Methods, work around and dirty tricks for dealing with classic performance problems when the system is in production; key targets, indicators and mechanism for producing a well-tuned system on day one. Strategies for dealing with badly performing systems after go-live
1 Monat, Okt. 2009 - Okt. 2009
Optimal SQL Writing - Jonathan Lewis
Oracle University
2007 - 2007
RedHat RH133 System Administration
Red Hat Academy
System Initialization, Package Management, Kernel Services, System Services, User Administration, Filesystem Management, Advanced Filesystem Management, Network Configuration, Installation, Virtualization with Xen, Troubleshooting
2006 - 2007
Instance and SQL tuning
Oracle University
Oracle 10g Performance Tuning Oracle 10g SQL Tuning
2006 - 2007
Database administration
Oracle University
Oracle 10g Administration I Oracle 10g Administration II
6 Jahre und 10 Monate, Sep. 1999 - Juni 2006
Applied Computer Science
Ss. Cyril and Methodius University
Sprachen
Englisch
Fließend
Deutsch
Grundlagen
Serbian Fluent
-
Bulgarian Fluent
-
Macedonian First Language
-