Qureos

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System Administrator & Database Administrator (AD Exchange & SQL Server on Linux)

Karachi, Pakistan

Location: Remote (Following Saudi Arabia Time Zone)
Contract: 1 Year (Extendable)

Key Responsibilities

Active Directory / Exchange Administration

  • Manage and support Microsoft Active Directory (AD), Azure AD, and AD Connect.
  • Administer and troubleshoot Microsoft Exchange Server (On-Prem / Hybrid).
  • Configure and monitor DNS, DHCP, Group Policies, authentication, and security policies.
  • Ensure system backup, recovery, and disaster recovery readiness.
  • Provide Level 2/3 technical support for AD/Exchange-related issues.

SQL Server on Linux Administration

  • Install, configure, and maintain Microsoft SQL Server on Linux-based environments.
  • Monitor and optimize database performance, indexing, and query execution.
  • Manage replication, clustering, high availability, and backup/recovery strategies.
  • Implement database security, role-based access control, and encryption policies.
  • Collaborate with developers for schema design, stored procedures, and query optimization.

Requirements

  • Bachelor’s degree in Computer Science, IT, or related field.
  • 5+ years of combined experience in System Administration (AD/Exchange) and Database Administration (SQL Server on Linux).
  • Strong hands-on experience in:
  • Active Directory, Azure AD, Exchange Server (On-Prem / Hybrid)
  • SQL Server on Linux (Ubuntu, RedHat, CentOS)
  • Windows Server administration and Linux OS administration
  • Knowledge of backup/recovery tools, replication, Always On, and HA solutions.
  • Strong troubleshooting, analytical, and problem-solving skills.
  • Relevant certifications (e.g., MCSE, MCSA, Microsoft 365 Certified, SQL Server DBA) are a plus.

Contract & Timing

  • Contract Duration: 1 Year (Extendable based on performance).
  • Work Schedule: 10:00 AM – 7:00 PM (Saudi Arabia Time Zone).
  • Days Off: Friday & Saturday (Weekend), Sunday On.

Job Type: Full-time

Work Location: In person

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