The Senior System Administrator is responsible for managing, maintaining, and optimizing hybrid cloud environments and on-premises virtualization infrastructure. This role involves deploying and configuring solutions on Microsoft Azure, Oracle Cloud Infrastructure (OCI), and VMware, ensuring secure, scalable, and reliable IT operations.
Location: Dubai, United Arab Emirates
Work Conditions: On-site, Full-time
Key Responsibilities:
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Cloud Administration (Azure & OCI):
- Deploy, configure, and maintain resources in Azure and OCI, including virtual machines, storage, networking, and databases.
- Implement and manage hybrid cloud architectures integrating on-premises VMware environments with Azure and OCI.
- Optimize cloud performance, scalability, and cost-efficiency across platforms.
- Manage identity and access controls (IAM) and implement cloud security best practices.
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VMware Administration:
- Install, configure, and manage VMware vSphere, ESXi hosts, and vCenter environments.
- Monitor and maintain VMware infrastructure to ensure high availability, performance, and reliability.
- Implement and manage virtualized networking and storage (e.g., NSX, vSAN).
- Perform capacity planning and resource optimization for virtualized environments.
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Networking & Connectivity:
- Configure and manage cloud networking solutions (e.g., Azure Virtual Networks, OCI VCN, ExpressRoute, FastConnect).
- Design and maintain secure and efficient network connectivity between on-premises and cloud environments.
- Troubleshoot network and connectivity issues across VMware, Azure, and OCI platforms.
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Backup, Recovery, & Disaster Recovery:
- Design and implement backup and disaster recovery solutions for cloud workloads.
- Test and document disaster recovery procedures for hybrid environments.
- Ensure compliance with RPO/RTO requirements and organizational policies.
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Monitoring & Troubleshooting:
- Use monitoring tools (e.g., Azure Monitor, OCI Monitoring, VMware vRealize Operations) to track system health and performance.
- Troubleshoot issues across cloud and virtualization platforms, ensuring minimal downtime.
- Act as the escalation point for advanced technical issues.
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Documentation & Collaboration:
- Document configurations, processes, and best practices for cloud and VMware environments.
- Collaborate with application teams to design and deploy infrastructure solutions.
- Provide training and guidance to junior administrators and IT staff.
Required Qualifications:
- Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
- 5+ years of experience managing Azure, OCI, and VMware environments.
- Proficiency in VMware technologies (vSphere, vCenter, ESXi, NSX, vSAN).
- Expertise in Azure and OCI cloud services, including compute, storage, and networking.
- Strong understanding of virtualization, hybrid cloud architectures, and networking principles.
- Proficiency in scripting languages (e.g., PowerShell, Bash, Python).
Preferred Qualifications:
- Relevant certifications such as:
- Azure: Microsoft Certified: Azure Administrator Associate, Azure Solutions Architect Expert.
- OCI: Oracle Cloud Infrastructure Architect Associate/Professional.
- VMware: VMware Certified Professional (VCP) in Data Center Virtualization (VCP-DCV).
- Experience with hybrid cloud tools (e.g., Azure Arc, VMware HCX).
- Familiarity with containerization (Docker, Kubernetes) and orchestration platforms.
- Knowledge of ITIL framework and DevOps practices.
