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Senior IT System & Network Administrator

  • Posted 3 days ago
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Job Description

About the Role

We are seeking a highly skilled and results-oriented IT Infrastructure & Service Management Specialist to join our Information Technology team. This role is responsible for ensuring the stability, security, availability, and continuous improvement of the organization's IT infrastructure while delivering high-quality IT services aligned with business objectives.

The successful candidate will possess strong technical expertise across infrastructure, networking, cloud platforms, virtualization, and IT Service Management (ITSM). This position requires a proactive professional with excellent analytical, communication, and problem-solving skills who can effectively manage enterprise infrastructure, support business-critical systems, and drive operational excellence.

Key Responsibilities:

Infrastructure Administration

  • Administer, monitor, maintain, and optimize enterprise IT infrastructure, ensuring maximum system availability and performance.
  • Install, configure, upgrade, and maintain Windows Server, Linux, and other enterprise server operating systems.
  • Manage Active Directory, Group Policy, DNS, DHCP, file services, and other core infrastructure services.
  • Perform system health monitoring, capacity planning, performance tuning, and preventive maintenance.
  • Develop and maintain infrastructure documentation, technical procedures, and operational standards.
  • Ensure infrastructure compliance with organizational security policies and industry best practices.

Network Administration

  • Configure, administer, and troubleshoot enterprise routing and switching environments.
  • Monitor network performance and proactively resolve connectivity, latency, and performance issues.
  • Manage LAN, WAN, VPN, wireless infrastructure, and network segmentation.
  • Support firewall configurations, network security policies, and secure remote connectivity.
  • Participate in network architecture planning and infrastructure expansion projects.

Cloud Infrastructure Management

  • Deploy, administer, and optimize cloud environments across Microsoft Azure, Amazon Web Services (AWS), and Oracle Cloud Infrastructure (OCI).
  • Manage cloud resources, virtual networks, storage, identity management, backup, and disaster recovery solutions.
  • Monitor cloud performance, availability, utilization, and cost optimization.
  • Implement cloud governance, security controls, and operational best practices.
  • Support cloud migration and digital transformation initiatives.

Virtualization & Data Center Operations

  • Administer VMware and Microsoft Hyper-V virtualization platforms.
  • Manage virtual machines, storage, resource allocation, clustering, snapshots, and backups.
  • Optimize virtualization environments to improve scalability, resilience, and operational efficiency.
  • Support business continuity and disaster recovery strategies.

IT Service Management

  • Lead the daily operation of IT Service Management processes in accordance with ITIL best practices.
  • Manage customer-focused ticketing systems while ensuring compliance with established Service Level Agreements (SLAs).
  • Monitor incident, problem, request, change, and asset management activities.
  • Analyze recurring incidents and implement long-term corrective and preventive solutions.
  • Develop service reports, KPIs, dashboards, and operational metrics for management.
  • Drive continual service improvement initiatives across the IT organization.

Security & Compliance

  • Implement infrastructure security standards, policies, and controls.
  • Monitor system vulnerabilities and coordinate remediation activities.
  • Support endpoint protection, identity management, access control, and security auditing.
  • Participate in disaster recovery planning, backup validation, and business continuity testing.
  • Ensure compliance with organizational governance, regulatory requirements, and cybersecurity standards.

Project Delivery

  • Participate in infrastructure implementation, upgrade, migration, and modernization projects.
  • Collaborate with vendors, external partners, and internal stakeholders throughout project lifecycles.
  • Provide technical recommendations to improve infrastructure reliability, scalability, and operational efficiency.
  • Evaluate emerging technologies and recommend suitable solutions aligned with business objectives.

Technical Support

  • Provide advanced (Level 2/Level 3) technical support for infrastructure-related incidents.
  • Troubleshoot complex hardware, software, networking, virtualization, and cloud-related issues.
  • Mentor junior IT staff and provide technical guidance when required.
  • Maintain high levels of customer satisfaction through timely issue resolution and effective communication.

Qualifications:

Education

  • Bachelor's degree in Computer Science, Information Technology, Information Systems, Computer Engineering, or a related discipline.

Professional Experience

  • Proven experience in enterprise IT infrastructure administration and technical support.
  • Demonstrated experience managing Windows Server and Linux environments.
  • Strong practical experience with enterprise networking, including routing, switching, TCP/IP, VLANs, VPNs, DNS, and DHCP.
  • Hands-on experience administering Microsoft Azure, AWS, and Oracle Cloud Infrastructure.
  • Practical experience with VMware and Hyper-V virtualization platforms.
  • Experience managing enterprise backup and disaster recovery solutions.
  • Experience supporting enterprise security technologies and infrastructure.
  • Demonstrated experience administering customer-focused IT Service Management and ticketing platforms.
  • Experience participating in enterprise infrastructure implementation and migration projects.

Required Technical Skills

  • Windows Server Administration
  • Linux Administration
  • Active Directory & Group Policy
  • DNS, DHCP, TCP/IP
  • Routing & Switching
  • LAN/WAN Technologies
  • VPN Technologies
  • VMware
  • Microsoft Hyper-V
  • Microsoft Azure
  • Amazon Web Services (AWS)
  • Oracle Cloud Infrastructure (OCI)
  • Infrastructure Monitoring
  • Backup & Disaster Recovery
  • Endpoint Security
  • Microsoft 365 Administration
  • IT Service Management (ITSM)
  • Enterprise Ticketing Systems
  • PowerShell or Bash scripting is considered an advantage.

Certifications

The following certifications are highly desirable:

  • ITIL Level 3 Service Management Framework
  • Microsoft Certified (Azure)
  • AWS Certified
  • Oracle Cloud Infrastructure Certification
  • VMware Certified Professional (VCP)
  • Cisco CCNA or CCNP (preferred)
  • Microsoft Windows Server Certifications (preferred)

Competencies

The successful candidate should demonstrate the following competencies:

  • Customer Focus
  • Teamwork and Collaboration
  • Communication and Influencing
  • Executing with Excellence
  • Analytical Thinking
  • Problem Solving
  • Accountability
  • Planning and Organization
  • Adaptability and Continuous Learning
  • Decision Making
  • Results Orientation
  • Time Management

Language Requirements

  • English: Fluent
  • Arabic: Fluent or Professional Working Proficiency

More Info

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About Company

Job ID: 152443139

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Egypt, Cairo

Skills:

amazon web services aws Linux AdministrationVMwareWindows Server AdministrationRoutingEndpoint SecurityDnsTcp IpDHCPMicrosoft Hyper-vMicrosoft AzureActive Directory Group PolicyOracle Cloud Infrastructure OCIInfrastructure MonitoringBackup Disaster RecoveryMicrosoft 365 AdministrationSwitchingLAN WAN TechnologiesEnterprise Ticketing SystemsIT Service Management ITSMVPN TechnologiesPowerShell or Bash scripting

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