Server & System / Network Administrator

Caliberly; Dubai; On-site; AED 180,000 - 320,000; Full time

Job summary

Caliberly is seeking a Server & System / Network Administrator in Dubai to manage and optimize our server infrastructure, including Office 365, Exchange and AD services. The role requires scripting for automation and strong LDAP expertise to maintain identity management and security controls.

You will oversee server provisioning, capacity planning, backups, and high-availability strategies while coordinating with IT support teams on maintenance, patches, and incident resolution.

Qualifications

• Proven experience of at least 5 years in server administration or similar roles.
• Expertise in Office 365, MS Exchange, Active Directory, and LDAP management.
• Familiarity with identity management, backup systems, and server hardware procurement.
• Ability to troubleshoot, maintain, and upgrade server infrastructure.

Responsibilities

• Administer and support Office 365 environment, including MS Exchange and Active Directory related functions.
• Develop scripts to automate and secure common administrative tasks.
• Administer LDAP servers, develop custom LDAP filters and queries.
• Procure server equipment and manage subcontractors for installation.
• Implement server-level policies and ensure compliance with standards.
• Maintain server OS, file servers, and email servers.
• Develop identity management solutions and ensure high availability.
• Design, implement and support servers across the organization.
• Monitor uptime and ensure high availability through proactive measures.
• Collaborate with support teams to resolve issues and schedule maintenance.
• Identify risks in specifications or strategies affecting performance.
• Participate in design reviews, estimates, scheduling, test plans, and code reviews.
• Maintain backup and storage infrastructure and implement enhancements.
• Conduct capacity planning and performance analysis for backup/storage.
• Follow and improve operational procedures.
• Perform other duties as assigned by Department Head.

Job description

About the job Server & System / Network Administrator

Job Responsibilities:

• Administer and support Office 365 environment, including MS Exchange and Active Directory related functions.
• Develop scripts (e.g., PowerShell) to automate and secure common administrative tasks.
• Administer and configure LDAP servers, developing custom LDAP search filters and queries.
• Procure server equipment and manage subcontractors involved with server installation.
• Implement server-level policies and ensure compliance with industry standards.
• Perform periodic maintenance on server operating systems, file servers, and email servers.
• Develop and maintain role-based identity management solutions.
• Design, implement, and provide support for all servers across the organization.
• Monitor server uptime using various tools and ensure high availability through proactive measures.
• Collaborate with technical support teams to resolve user issues and schedule maintenance activities such as updates and patches.
• Identify and raise issues regarding specifications, architecture, or implementation strategies that could lead to performance or quality problems.
• Participate in technical design reviews, functional specification reviews, and contribute to project estimates, scheduling, test plans, and code reviews.
• Maintain and optimize backup system infrastructure, improve performance, and implement new enhancements and services.
• Conduct capacity planning and performance analysis of backup and storage infrastructure.
• Follow strict operational procedures and create new ones when gaps are identified.
• Perform any other duties assigned by the Department Head.

Qualifications:

• Proven experience of at least 5 years in server administration or similar roles.
• Expertise in Office 365, MS Exchange, Active Directory, and LDAP management.
• Familiarity with identity management, backup systems, and server hardware procurement.
• Ability to troubleshoot, maintain, and upgrade server infrastructure.