Senior Infrastructure Specialist

Apex Global Systems; United Arab Emirates; Remote; AED 240,000 - 360,000; Full time

Job summary

Apex Global Systems in United Arab Emirates (Remote) is seeking a Senior Infrastructure Specialist to manage, optimize, monitor, and improve enterprise infrastructure across servers, operating systems, virtualization, storage, networks, and cloud platforms.

The ideal candidate will provide strong technical expertise in operations, reliability, security, capacity, and resilience, while supporting transformation initiatives and infrastructure automation.

Qualifications

• Senior infrastructure experience in enterprise environments.
• Proficiency in Windows and Linux server administration.
• Strong knowledge of virtualization, storage, and networks.

Responsibilities

• Manage and maintain enterprise infrastructure across physical, virtual, and cloud platforms.
• Administer Windows and Linux server environments and associated services.
• Monitor infrastructure availability, performance, capacity, health, and stability.
• Perform infrastructure troubleshooting and resolve complex incidents.
• Investigate recurring infrastructure failures and conduct root-cause analysis.
• Implement corrective and preventive actions to improve reliability.
• Manage server provisioning, configuration, patching, upgrades, and lifecycle activities.
• Maintain virtualization platforms and optimize VM performance.
• Manage enterprise storage environments, including capacity and data protection.
• Support network infrastructure operations and troubleshoot connectivity, routing, DNS, VPN, and related services.
• Coordinate with Network and Security teams to resolve issues.
• Monitor cloud resource utilization, performance, availability, and cost.
• Support cloud migration, infrastructure modernization, and hybrid environments.
• Implement infrastructure-as-code and automation practices where appropriate.
• Develop scripts and automation for provisioning, configuration, monitoring, maintenance, and tasks.
• Maintain infrastructure runbooks and technical documentation.

Skills

Server administration

Windows & Linux

Virtualization

Cloud platforms

Automation & IaC

Monitoring & performance

Security & compliance

Job description

We're Hiring: Senior Infrastructure Specialist

Location: United Arab Emirates (Remote)

Employment Type: Full-Time

Experience Level: Senior

Work Arrangement: Fully Remote

About Us

We are a globally focused organization committed to delivering secure, reliable, scalable, and resilient technology infrastructure across diverse digital environments. Our teams collaborate across Infrastructure, Cloud, Networks, Cybersecurity, Applications, Engineering, IT Operations, Service Management, and business functions to maintain high-performing technology platforms.

Our technology teams combine infrastructure engineering, automation, monitoring, security, operational discipline, and continuous improvement to ensure systems remain available, efficient, secure, and capable of supporting evolving business requirements.

The Role

We are seeking an experienced Senior Infrastructure Specialist to manage, optimize, monitor, and continuously improve enterprise infrastructure environments covering servers, operating systems, virtualization, storage, networks, cloud platforms, backup, disaster recovery, monitoring, and infrastructure automation.

The ideal candidate will provide strong technical expertise across infrastructure operations while supporting system reliability, performance, security, capacity, resilience, troubleshooting, and technology transformation initiatives.

Key Responsibilities

• Manage and maintain enterprise infrastructure environments across physical, virtual, and cloud platforms.
• Administer Windows and Linux server environments and associated infrastructure services.
• Monitor infrastructure availability, performance, capacity, health, and operational stability.
• Perform infrastructure troubleshooting and resolve complex technical incidents.
• Investigate recurring infrastructure failures and conduct root-cause analysis.
• Implement corrective and preventive actions to improve infrastructure reliability.
• Manage server provisioning, configuration, patching, upgrades, and lifecycle activities.
• Maintain virtualization platforms and optimize virtual-machine performance and resource allocation.
• Manage enterprise storage environments, including capacity, performance, availability, and data protection.
• Support network infrastructure operations and troubleshoot connectivity, routing, switching, DNS, DHCP, VPN, and related services.
• Coordinate with Network and Security teams to resolve infrastructure and connectivity issues.
• Manage cloud infrastructure across relevant public, private, or hybrid cloud environments.
• Provision and maintain cloud compute, storage, networking, identity, and supporting infrastructure services.
• Monitor cloud resource utilization, performance, availability, and cost.
• Support cloud migration, infrastructure modernization, and hybrid-environment initiatives.
• Implement infrastructure-as-code and automation practices where appropriate.
• Develop scripts and automation for provisioning, configuration, monitoring, maintenance, and operational tasks.
• Support configuration-management and infrastructure-automation platforms.
• Standardize infrastructure configurations and operational procedures.
• Maintain infrastructure baselines, build standards, hardening requirements, and technical documentation.
• Implement operating-system, firmware, middleware, and infrastructure-platform upgrades.
• Coordinate infrastructure patch-management activities and verify successful deployment.
• Identify and remediate infrastructure vulnerabilities in coordination with Cybersecurity teams.
• Implement security hardening across servers, virtualization platforms, cloud environments, and infrastructure services.
• Support identity, authentication, privileged-access, and administrative-access controls for infrastructure platforms.
• Ensure infrastructure systems comply with applicable security policies and technical standards.
• Manage backup infrastructure and verify successful backup operations.
• Support disaster-recovery environments, recovery procedures, and infrastructure resilience requirements.
• Participate in disaster-recovery testing and validate infrastructure recovery capabilities.
• Monitor recovery objectives and identify gaps affecting business continuity.
• Establish infrastructure monitoring, alerting, logging, and performance-management standards.
• Develop and maintain infrastructure dashboards and operational reports.
• Monitor CPU, memory, storage, network, capacity, latency, availability, and other relevant infrastructure metrics.
• Analyze infrastructure trends and identify potential performance or capacity issues before they affect services.
• Conduct infrastructure capacity planning and forecasting.
• Identify opportunities to improve resource utilization, performance, scalability, and cost efficiency.
• Support high-availability configurations and eliminate avoidable single points of failure.
• Participate in infrastructure change-management activities and assess technical and operational risks.
• Plan and execute infrastructure changes in accordance with approved procedures.
• Conduct technical validation following infrastructure changes, upgrades, and migrations.
• Support incident, problem, and change-management processes in accordance with IT service-management standards.
• Maintain accurate configuration records, asset information, infrastructure diagrams, and operational documentation.
• Support configuration-management databases and ensure infrastructure records remain accurate.
• Coordinate with vendors, managed-service providers, and technology partners on infrastructure issues and projects.
• Monitor vendor performance, support cases, service levels, and technical escalations.
• Participate in infrastructure procurement, technology evaluations, and technical due diligence.
• Assess infrastructure products, tools, platforms, and services based on technical requirements and operational value.
• Support infrastructure architecture and design teams by providing operational and implementation expertise.
• Review proposed infrastructure designs for maintainability, reliability, security, performance, and operational feasibility.
• Support application teams with infrastructure requirements, deployments, connectivity, performance, and production readiness.
• Coordinate infrastructure requirements for new applications, digital services, and technology projects.
• Support DevOps, CI/CD, container, and cloud-native infrastructure environments where applicable.
• Maintain infrastructure runbooks covering installation, configuration, monitoring, troubleshooting, recovery, and escalation procedures.
• Develop technical knowledge-transfer materials and train support teams on infrastructure operations.
• Mentor junior infrastructure engineers and specialists.
• Participate in on-call, escalation, and major-incident support activities where required.
• Maintain awareness of emerging infrastructure technologies, cloud services, automation practices, and operational tools.
• Identify opportunities to improve infrastructure processes through automation, standardization, and continuous improvement.
• Provide management with regular reporting on infrastructure availability, incidents, capacity, performance, risks, projects, and improvement initiatives.

Key Performance Indicators

• Infrastructure availability
• Infrastructure uptime
• Critical-service availability
• Server availability
• Network availability
• Cloud-service availability
• Infrastructure incident volume
• Major infrastructure incident frequency
• Mean time to detect
• Mean time to resolve
• Mean time between infrastructure failures
• Infrastructure incident recurrence rate
• Infrastructure performance compliance
• Capacity utilization
• Capacity-planning accuracy
• Storage utilization
• Compute utilization
• Network utilization
• Virtualization platform performance
• Cloud resource utilization
• Infrastructure cost efficiency
• Patch compliance
• Vulnerability remediation rate
• Security-hardening compliance
• Backup success rate
• Backup coverage
• Disaster-recovery test success
• Recovery-time objective compliance
• Recovery-point objective compliance
• Infrastructure change success rate
• Change-related incident rate
• Configuration compliance
• Configuration-data accuracy
• Infrastructure monitoring coverage
• Alert effectiveness
• Automation adoption
• Infrastructure provisioning cycle time
• Infrastructure deployment accuracy
• Technical documentation completeness
• Infrastructure project delivery
• Vendor SLA performance
• Infrastructure maintenance completion
• Lifecycle-management compliance
• Operational process improvement
• Infrastructure risk reduction
• Stakeholder satisfaction
• Infrastructure resilience improvement

Ideal Candidate

The successful candidate should have strong experience in IT infrastructure, systems administration, infrastructure operations, cloud infrastructure, server administration, virtualization, network operations, or technology operations, preferably within a complex enterprise, multinational, technology, financial-services, telecommunications, or highly distributed environment.

The candidate should demonstrate:

• Strong hands-on experience managing enterprise infrastructure environments.
• Strong knowledge of Windows and Linux server administration.
• Experience with virtualization technologies and enterprise compute platforms.
• Strong understanding of storage, backup, networking, and infrastructure services.
• Experience managing public, private, or hybrid cloud infrastructure.
• Strong understanding of cloud compute, storage, networking, identity, and security services.
• Experience with infrastructure monitoring, logging, alerting, and performance management.
• Strong troubleshooting and root-cause-analysis capabilities.
• Experience managing infrastructure patching, upgrades, configuration, and lifecycle activities.