Implement, and administer enterprise network infrastructure including routers, L2/L3 switches, wireless solutions, load balancers, and remote access technologies to ensure high availability and optimal performance
Implement, and maintain security infrastructure across multiple vendors including:
Next-Generation Firewalls (NGFW)
L3/L4 Firewalls
Web Application Firewalls (WAF)
Identity and Access Control solutions
Secure web gateways and security proxies
SASE
Manage network segmentation, zoning, VPN connectivity, cryptography standards, and DoS/DDoS protection mechanisms to ensure compliance with security standards and best practices
Administer and support enterprise voice and collaboration platforms including Avaya, Cisco and Contact Center solutions
Monitor network and security infrastructure using enterprise monitoring and logging tools, investigate incidents, perform root cause analysis, and take corrective actions proactively
Lead troubleshooting and resolution of complex network, communication, and security incidents while providing third-level support for critical business services
Ensure proper documentation, configuration management, backup validation, disaster recovery readiness, and adherence to change management processes
Collaborate with internal teams, vendors, and outsourced support providers to ensure service availability, operational excellence, and successful project delivery
Participate in infrastructure projects, upgrades, migrations, audits, and security improvement initiatives
Technical Skills & Experience
Strong hands-on experience with enterprise networking technologies including routing, switching, and wireless technologies
Strong experience with enterprise security solutions
Experience with web application firewalls, load balancers, reverse proxies, and secure remote access technologies
Good understanding of cybersecurity frameworks, segmentation models, zero-trust concepts, and security operations
Experience in enterprise monitoring, logging, and troubleshooting tools
Strong analytical, troubleshooting, and incident management skills
Experience working in enterprise environments with high availability and strict compliance requirements
Requirements
Qualifications
Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field
Professional certifications are highly preferred, such as:
CCNP Enterprise / Security
PCNSE
NSE
CISSP
F5 Certifications
5-7 years of experience in enterprise network, security, and communication administration