Sr. Executive - Network Engineer

Overview

Flexsin is hiring (immediate joining) an experienced Network Administrator with strong expertise in on-premise and cloud networking environments. The ideal candidate will have hands-on experience with enterprise firewalls, routing, VPNs, and Azure cloud networking, along with automation skills using Infrastructure as Code tools.

Responsibilities

Design, configure, and manage Cisco ASA firewalls, including:

• Advanced security policies
• Site-to-site and remote access VPNs
• High-availability and failover configurations
  
  

• Routing and firewall rules
• VPN configuration
• Traffic shaping and bandwidth management
• Device monitoring and maintenance
  
  

• Virtual Networks (VNets) and Subnets
• Network Security Groups (NSGs)
• Azure Firewall
• Hybrid connectivity using VPN Gateway and ExpressRoute
• Azure load-balancing solutions (Load Balancer, Application Gateway)
  
  

• Ansible for configuration management
• Terraform for infrastructure provisioning and management
  
  

Troubleshoot complex network issues across on-premise and cloud environments

Ensure network security best practices and compliance

Create and maintain clear technical documentation

Collaborate with cross-functional teams to support business requirements

Skills & Qualifications

Strong hands-on experience with Cisco ASA firewalls

Proven expertise in MikroTik RouterOS

Solid knowledge of Azure cloud networking

Experience with Ansible and Terraform

Strong Understanding Of

• Routing protocols
• Network security principles
• VPN technologies
  
  

Excellent troubleshooting and problem-solving skills

Strong communication and documentation abilities

Ability to work independently and as part of a team

Experience in hybrid (on-prem + cloud) network environments

Azure networking certifications (AZ-700 or similar)

Experience supporting production enterprise networks