Senior System Engineer

Senior System Engineer (Infrastructure & Operations)

Job Type: Full-Time
Department: IT Department

Job Summary

We are seeking a highly experienced and proactive IT Manager to lead and manage the organization’s IT operations across a large-scale, enterprise environment.

The role will oversee multiple IT domains including Infrastructure, Cloud Environment, Network & Security, Database Systems, DevOps, and IT Support, ensuring high availability, scalability, and security of all systems supporting business-critical operations.

The ideal candidate must have strong experience managing hybrid environments (on-premises and cloud), with deep expertise in networking, firewalls, virtualization, and enterprise systems, along with proven leadership capabilities.

Scope of Responsibility

• Lead and manage cross-functional IT teams:
• Infrastructure & Data Center Operations
• Cloud & Hybrid Platforms
• Network & Security
• Database Administration
• DevOps / Automation
• IT Support / Helpdesk
• Ensure 24/7 system availability, operational stability, and incident response
• Support large-scale environments and high-volume systems
• Drive IT strategy aligned with business growth and operational needs

Key Responsibilities

1. IT Leadership & Governance

• Define and execute IT strategy, roadmap, and architecture standards
• Establish and enforce IT policies, procedures, and governance frameworks
• Manage team performance, KPIs, and continuous improvement initiatives
• Coordinate with vendors, MSPs, and internal stakeholders

2. Infrastructure & Data Center Management

• Oversee enterprise infrastructure including:
• Windows Server (Active Directory, GPO, DNS, DHCP)
• Linux systems (Ubuntu, RHEL, etc.)
• Manage virtualization platforms (VMware ESXi, Microsoft Hyper-V)
• Ensure high availability, clustering, and capacity planning
• Manage storage systems and infrastructure lifecycle

3. Network & Security Management

• Design and manage enterprise network architecture (LAN/WAN, routing, switching, VPNs)
• Configure, manage, and troubleshoot enterprise firewall solutions, including:
• Fortinet (FortiGate)
• Sophos
• Sangfor
• Barracuda (including WAF)
• Azure Firewall
• Implement and maintain firewall policies, NAT, segmentation, and access controls
• Manage Web Application Firewalls (WAF) and secure public-facing systems
• Ensure secure connectivity across on-premises and cloud environments
• Conduct security monitoring, vulnerability management, and incident response

4. Cloud & Hybrid Infrastructure

• Manage and optimize environments across:
• On-premises infrastructure
• Cloud platforms (Azure, AWS, hybrid)
• Design and maintain secure hybrid connectivity (VPN, tunnels, firewall integration)
• Implement cloud-native security (Azure Firewall, NSG, Application Gateway/WAF)
• Lead cloud migration, DR replication, and cost optimization initiatives

5. Virtualization & End-User Computing

• Manage virtualization platforms (VMware ESXi, Hyper-V)
• Oversee VDI environments (VMware Horizon)
• Ensure performance, scalability, and availability for enterprise users

6. Database Oversight

• Oversee database environments:
• SQL Server, MySQL, PostgreSQL, Oracle, Cassandra (as applicable)
• Ensure database backup, recovery, and high availability
• Coordinate performance tuning and optimization with DB teams

7. DevOps, Automation & Modern Platforms

• Oversee container environments (Docker, Kubernetes)
• Promote automation using PowerShell, Bash, and CI/CD pipelines
• Support application teams with deployment and infrastructure integration

8. Backup, Disaster Recovery & Business Continuity

• Define and manage enterprise backup strategies
• Implement and test Disaster Recovery (DR) plans
• Ensure compliance with RPO/RTO requirements
• Conduct regular DR drills and readiness assessments

9. Monitoring & Performance

• Implement and manage enterprise monitoring tools
• Ensure proactive alerting and incident handling
• Identify system bottlenecks and optimize performance

10. Team Leadership & Vendor Management

• Lead, mentor, and manage cross-functional IT teams
• Act as escalation point for critical incidents
• Manage vendors, MSPs, and external service providers

11. Documentation & Compliance

• Maintain enterprise documentation (architecture, SOPs, DR plans)
• Ensure compliance with security standards and audit requirements

Pay: AED6,000.00 - AED8,000.00 per month

Application Question(s):

• How many years of experience do you have in IT infrastructure or system administration?
• Have you managed teams across several IT areas, such as infrastructure, network and security, cloud, databases, DevOps and helpdesk?
• Have you managed a hybrid environment, with both on-premises and cloud (Azure or AWS) systems?
• Which of these firewalls have you configured and managed yourself?
• Which virtualization platforms have you managed in production?
• Have you designed disaster recovery plans, carried them out, and run DR drills with defined RPO/RTO targets?
• Rate your hands-on experience with Docker and Kubernetes.
• Which of these certifications do you hold?
• What is your notice period?
• What are your expected monthly salary?
• current salary?

Work Location: In person