Senior Network and Security Engineer

We have an immediate opportunity for "Senior Network and Security Engineer". Please let me know if you're interested kindly send me your CV to [email protected]

🚀Title: Senior Network and Security Engineer

📍Location : Dubai - onsite

🗓Duration : 6 month contract

⏰ Notice Period: Immediate joiner or up to 30 days

🔒 Key Requirements:

Architecture Assessment & Current-State Analysis

• Assess existing telecom network and security architecture across core, aggregation, edge, and customer-facing environments.
• Perform detailed as-is analysis covering routing, switching, firewall, VPN, and service interconnections.
• Review carrier-grade infrastructure, including MPLS, IP backbone, LTE/5G transport, and inter-operator connectivity.
• Identify architectural gaps, risks, performance bottlenecks, and security vulnerabilities.
• Strong Network Troubleshooting skills to handle high pressure problems and resolve it timely.

Data Discovery & Dependency Mapping

• Conduct comprehensive data discovery for telecom entities and their enterprise/business clients.
• Identify:
• IP addressing schemes and subnet allocations
• Firewall policies, NAT rules, and VPN tunnels
• Application flows, ports, and protocols
• Customer-to-core and customer-to-customer dependencies
• Permitter infrastructure.
• IPSEC VPN Build
• Roaming Profiles.
• Corporate network
• Retail Network
• Call center network
• Document traffic patterns, service dependencies, and critical paths.
• Classify workloads based on business criticality, SLA, and regulatory requirements.

Design Build and Migration Planning

• Prepare end-to-end migration strategy aligned with telecom operational standards.
• Payment Gateways
• Permitter infrastructure.
• IPSEC VPN Build
• Roaming Profiles.
• Corporate network
• Retail Network
• Call center network
• Develop High-Level Design (HLD) and Low-Level Design (LLD) for target-state architecture.
• Create detailed migration runbooks, including:
• Pre-migration checks
• Cutover strategy (phased / wave-based)
• Rollback and fallback procedures
• Risk and impact analysis

Migration Execution

• Execute migrations within telecom entities and their business clients with minimal service disruption.
• Lead PA firewall, VPN, and routing migrations across:
• Palo Alto, FortiGate, Cisco, and Juniper platforms
• Enterprise and carrier-grade environments
• Coordinate with:
• Telecom NOC/SOC teams
• Enterprise customer IT teams
• Vendors, ISPs, and third-party partners
• Ensure strict adherence to change management, CAB approvals, and maintenance windows.

Validation & Post-Migration Support

• Perform post-migration validation, including connectivity, security policy verification, and performance testing.
• Support business clients during stabilization and hyper care periods.
• Address post-migration issues, fine-tune policies, and optimize performance.
• Update documentation, diagrams, and operational SOPs.

Governance, Security & Compliance

• Ensure migrations comply with telecom regulations, security standards, and customer SLAs.
• Conduct security audits and compliance checks post-migration.
• Provide regular status reporting to stakeholders and senior management