Mihail Kalachev

Mihail Kalachev Email and Phone Number

Senior Oracle Database Administrator (DBA) at Minerva Networks @ Minerva Networks
Mihail Kalachev's Location
Bulgaria, Bulgaria
Mihail Kalachev's Contact Details

Mihail Kalachev personal email

n/a
About Mihail Kalachev

More than 14 years of experience as a Database specialist with both Oracle and MSSQL server platforms having worked as a database administrator and a developer of internal applications.

Mihail Kalachev's Current Company Details
Minerva Networks

Minerva Networks

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Senior Oracle Database Administrator (DBA) at Minerva Networks
Mihail Kalachev Work Experience Details
  • Minerva Networks
    Senior Oracle Database Administrator (Dba)
    Minerva Networks Nov 2017 - Present
    San Jose, California, Us
    Minerva is one of the biggest IpTV smart service providers on the North- and South- American market. As part of its team, I am responsible for Database operations, performance tuning, patching and upgrades, handling customer database problems in a fast and efficient manner, automation, scripting.
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  • Freelance
    Freelance Database Administrator And Developer Contractor/Consultant
    Freelance Oct 2016 - Nov 2017
    Contractor/freelance Database Developer and Administrator working on various projects mainly in the field of performance tuning and optimization of heavy SQL/PL-SQL queries, infrastructure migration projects, security hardening of Oracle databases, Exadata migrations, etc.
  • Skrill
    Database Administrator (Dba)
    Skrill May 2011 - Oct 2016
    London, London, Gb
    Paysafe (a.k.a. Skrill, Moneybookers) is the first e-money issuer to obtain an electronic money licence from the FSA and is one of the top e-wallet providers in the world with more than 40 million customers worldwide. My job in the company is to support it's Oracle Databases 24/7 keeping up with the tight SLAs and minimizing the possibility of a downtime through constant proactive monitoring; working with developers to design efficient database code and optimize heavy queries and keep the good database performance; implementing the latest PCI requirements to secure the databases and eliminate the possibility of security breaches; implementing and supporting a complex High Availability environment where no component is a single point of failure; upgrading and patching to the latest Oracle software version and patchset.
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  • Mobiltel
    Senior Database Administrator (Dba)
    Mobiltel Jan 2006 - May 2011
    Sofia, Bg
    MobilTel is the first mobile operator in Bulgaria, founded back in 1994. It is the early adopter of many new Oracle technologies. For most of them MobilTel is the first implementor not only in Bulgaria, but also in Europe. Some of those technologies include Oracle Exadata v1 (first successful custom installation), First production implementation on Oracle 11g GRID, etc.My job as Senior Database Administrator in the company is to support the hundreds of databases that the company owns, design efficient databases and database code, introduce new people into the team and show them the ropes, participate extensively into the company's innovative approach and early technology adoption.
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  • Metagen
    Database Administrator And Developer
    Metagen Nov 2004 - Jan 2006
    The only company in Bulgaria developing software for Bio-genetic research. Software is developed mainly for German pharmaceutical companies doing research in the field of DNA analysis. The administered databases contain most of the genetic information known to mankind.

Mihail Kalachev Skills

Oracle Databases Sql Pl/sql Oracle Rac High Availability Database Administration Performance Tuning Sql Tuning Linux Unix Database Design Data Warehousing Disaster Recovery Oracle Exadata Data Guard Oracle Enterprise Manager Microsoft Sql Server Deep Learning Machine Learning Data Science

Mihail Kalachev Education Details

  • Sofia University St. Kliment Ohridski
    Sofia University St. Kliment Ohridski
    Informatics
  • First English Language School Sofia
    First English Language School Sofia

Frequently Asked Questions about Mihail Kalachev

What company does Mihail Kalachev work for?

Mihail Kalachev works for Minerva Networks

What is Mihail Kalachev's role at the current company?

Mihail Kalachev's current role is Senior Oracle Database Administrator (DBA) at Minerva Networks.

What is Mihail Kalachev's email address?

Mihail Kalachev's email address is mi****@****mail.bg

What is Mihail Kalachev's direct phone number?

Mihail Kalachev's direct phone number is +161023*****

What schools did Mihail Kalachev attend?

Mihail Kalachev attended Sofia University St. Kliment Ohridski, First English Language School Sofia.

What are some of Mihail Kalachev's interests?

Mihail Kalachev has interest in Education, Environment, Science And Technology, Human Rights, Health.

What skills is Mihail Kalachev known for?

Mihail Kalachev has skills like Oracle, Databases, Sql, Pl/sql, Oracle Rac, High Availability, Database Administration, Performance Tuning, Sql Tuning, Linux, Unix, Database Design.

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