Joining the Equation of Success

We are looking for talents to be part of our professional team in Iraq; this is an excellent opportunity in international mega-project implemented by the multicultural team in an efficient working environment.

Onyxes offers rewarding careers, competitive compensation and benefits and a great work environment.


Job Description


Job Title:

DBA Oracle & MS SQL Senior Specialist

Job Category:




Job Code/ Req #:




Travel Required:


Duties and Responsibilities

    • Install, patch and maintain Exadata x3-2.
    • Install, patch and maintain Exalytics.
    • Experience with upgrading mission critical Oracle database environments from 11g to 12c.
    • Perform Oracle Database 11g and 12c Clusterware & ASM Administration.
    • Perform Oracle Database 11g and 12c RAC and Data Guard Integration.
    • Perform Oracle Database 11g and 12c Backup and Recovery.
    • Perform Oracle Database 11g and 12c Performance Management and Tuning.
    • Experience with migrating mission critical database environments from one platform to another.
    • Install, patch and maintain Cloud Control 12c.
    • Install, patch and maintain all Oracle software.
    • Implement Oracle failover technologies.
    • Creates and maintains all databases required for development, testing, and production usage.
    • Performs the capacity planning required to create and maintain the databases.
    • Works closely with system administration to support applications or tools that connects to Oracle Database.
    • Install new versions of the Oracle RDBMS and its tools and any other tools that access the Oracle database.
    • Plans and implements backup and recovery of the Oracle database.
    • Implement and maintain database security (create and maintain users and roles, assign privileges)
    • Provides technical support to application teams.
    • MySQL Cluster and standby administration and tuning.
    • Administers all database objects, including tables, clusters, indexes, views, sequences, packages and procedures.

Work as part of a team and provide 24x7 support when required

Required Qualifications

    • Good understanding of the Oracle database, related utilities and tools.
    • A good understanding of the underlying operating system.
    • A good knowledge of the physical database design.
    • Ability to perform both Oracle and operating system performance tuning and monitoring.
    • Knowledge of ALL Oracle backup and recovery scenarios.
    • A good knowledge of Oracle security management.
    • A good knowledge of how Oracle acquires and manages resources.
    • A good knowledge Oracle data integrity.
    • Sound knowledge of the implemented application systems.
    • Should have the ability to handle multiple projects and deadlines.
    • Should possess a sound understanding of the telecom business.

Should have sound communication skills with management, development teams, vendors and systems administrators.

Skills &Competenc

    • Professional skills in UNIX environment and master in Shell and Python Scripting.
    • Excellent interpersonal and influencing skills combined with a strong customer service ethic.
    • Understand and interpret a variety of instructions furnished in written, oral, diagram, or schedule form.
    • Communicate information and ideas clearly and concisely, in written and orally.
    • Ability to define problems, collect data, establish facts, and draw valid conclusions based on quantitative and qualitative judgment.
    • Must be proactive and creative in finding solutions to issues that must be resolved.
    • Possess high energy, initiative, resilience, work ethic, stamina, and unquestionable integrity to perform consistently and at a high level in a very demanding environment.
    • Quickly adapt as requirements/tasks change.
    • Able to work under critical time deadlines and pressures.
    • Able to work independently, with minimal supervision and as well as within collaborative groups.
    • Self-motivated, attention to detail, flexible, change-oriented and team player.
  • Education & Training
    • Bachelor’s degree in Telecommunication / Computer Engineering, Computer Science (MBA is a plus) or equivalent work experience.
    • Several Oracle Database trainings and certifications.
    • Advanced Linux and Unix System Administration trainings and certifications.
    • An EXADATA training and certification.



Technical Cases


Q1- What are the steps to convert one Single Node stand-alone Database to 2 Node RAC Cluster?


Q2 - On a 2 nodes RAC cluster, if you want to add 3rd node What are the steps you will follow?


Q3 - When did you upgrade a database last time? What are the steps you followed for that?

What kind of problems you faced? How will you upgrade a 24X7 Clustered database?


Q4 - What are Exadata shutdown and start-up procedure?



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+964 781 078 1878                   +964 773 088 1878

Cairo , Bulding H, Dis 12      Elshiekh Zayed City

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Ajman , SM-Office-E1-1316 E

+971 50 208 7051

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About Us

ONYXES is a leading information technology solutions and services provider in Iraq established in 2011 as a part of MARCH Holding Group that is developing business in different fields in MEA (Oil & Gas, Technology, Telco, Distribution, Power, Security, Food Trading, Property).

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