SENIOR SYSTEMS SPECIALIST (Infrastructure, Virtualization, Storage & Data Center Operations)

Dicetek LLC; Dubai; On-site; AED 268,000 - 469,000; Full time

Job summary

Dicetek LLC is seeking an experienced Senior Infrastructure Engineer to design, implement, and optimize enterprise virtualization, storage, and data center services across VMware, Windows, and Linux environments. You will ensure secure, resilient, and scalable infrastructure with well-documented processes.

You will lead technical delivery, collaborate with cross-functional teams, and contribute to business continuity initiatives, including DR testing and patch management.

Qualifications

• Extensive experience in design, implementation, and operations of virtualization, storage, and data center infrastructure.
• Knowledge of AD, DNS, DHCP, and GPO for secure identity services.
• Professional certifications such as VMware, RHCSA/RHCE, Windows Server, ITIL are advantageous.

Responsibilities

• Design, implement, administer, and optimize virtualization platforms (VMware, ESXi, vCenter).
• Provide technical guidance and knowledge transfer within the team.
• Manage Windows Server and Red Hat Linux environments across production, DR, testing and development.
• Administer Active Directory, DNS, DHCP, and Group Policy.
• Manage enterprise storage (SAN/NAS), provisioning, replication, and capacity forecasting.
• Operate enterprise backup and recovery with defined RPO/RTO targets.
• Oversee data center operations including power, cooling, and facilities coordination.
• Plan upgrades, patching, hardening, and end-of-life replacement activities.

Skills

VMware vSphere

Windows Server

Linux

Active Directory

Storage management

Backup and recovery

Data center operations

Performance monitoring

Root cause analysis

Capacity planning

Tools

vCenter Server

ESXi

Job description

Purpose of the Job

Providing advanced technical expertise in the design, implementation, administration, and continuous improvement of enterprise infrastructure across virtualization, Windows and Linux platforms, directory services, storage, backup, and data center environments, ensuring that infrastructure services are secure, resilient, scalable, and well documented, using best practices and international standards to support business continuity and digital services at the level of the Authority and the Emirate.

Tasks And Responsibilities

• Provide advanced technical expertise in the design, implementation, administration, and optimization of virtualization platforms, including VMware vSphere, ESXi, vCenter Server, clustering, High Availability, DRS, vMotion, and virtual machine lifecycle management, to ensure the continuous operation of digital products and services.
• Provide technical guidance and knowledge transfer to team members, reviewing technical deliverables and building capabilities to ensure high-quality and continuous delivery of infrastructure services.
• Install, configure, patch, harden, monitor, and troubleshoot Windows Server and Red Hat Linux environments across production, disaster recovery, testing, and development environments.
• Administer identity and core infrastructure services, including Active Directory Domain Services, DNS, DHCP, and Group Policy, ensuring secure, reliable, and well-governed authentication and directory services.
• Administer enterprise storage systems, including SAN and NAS platforms, LUN and volume provisioning, multipathing, replication, performance analysis, capacity forecasting, and storage lifecycle management.
• Operate and maintain enterprise backup and recovery solutions, define and monitor backup policies, retention, replication, and encryption, perform regular restore tests, and ensure alignment with approved RPO and RTO targets.
• Manage data center operations, including equipment installation, cabling, labeling, power and cooling, environmental monitoring, physical access controls, and capacity utilization, in coordination with facilities teams and service providers.
• Review and validate server and storage hardware specifications, bills of materials, compatibility matrices, vendor quotations, and vendor lifecycle status to support procurement and capacity decisions.
• Monitor infrastructure health, availability, capacity, and performance, provide Level 3 technical support, lead root cause analysis, and implement permanent corrective and preventive actions.
• Plan and execute upgrades, patching, firmware updates, vulnerability remediation, configuration hardening, certificate renewals, and end-of-life or end-of-support replacement activities.
• Review and enhance operational policies and procedures for infrastructure services to ensure compliance with international standards and best practices.
• Develop and maintain architecture diagrams, build documents, standard operating procedures, recovery procedures, configuration records, asset inventories, and operational reports.
• Coordinate with external vendors to secure the best technical solutions and services in accordance with the operational requirements of the Authority and its clients.
• Collaborate with network, cybersecurity, cloud, application, and database teams, support the integration of new systems, and participate in digital infrastructure expansion and development projects.
• Participate in disaster recovery exercises and planned maintenance activities to ensure business continuity readiness and resilience of infrastructure services.
• Prepare periodic technical reports on infrastructure performance, challenges, and analysis results, submitting them to senior management along with recommendations for development and improvement.
• Perform any other tasks related to the nature of the work as assigned by the direct supervisor.

Professional Certificates/Programs

Specialized training programs and certificates in systems administration, virtualization and compute platforms, enterprise storage and backup technologies, data center operations, identity and directory services, infrastructure security and hardening, cloud computing and data protection, business continuity and disaster recovery, compliance with local and international regulations, and infrastructure monitoring, automation, and performance optimization.

Additionally, these programs cover project management, information security, corporate governance, quality and excellence standards, organizational innovation, creativity, effective performance indicators, total quality management, operations management, and service quality.

Preferred professional certifications include VMware Certified Professional (VCP) or higher, Microsoft Windows Server, Hybrid Administrator, or Azure infrastructure certifications, Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE), ITIL Foundation, and relevant storage, backup, or data center vendor certifications.