Senior Network Architect

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Job Summary:

Optimal Growth Technologies is seeking a highly experienced Network Architect to design, implement, and secure complex enterprise networks. The role involves ensuring high availability, security, and scalability of network environments while providing technical leadership and mentoring to junior engineers.

Responsibilities:

• Design and implement scalable, high-performance network architectures for enterprise environments.

• Define and enforce networking standards, policies, and best practices.

• Develop secure, redundant, and high-availability network designs for data centers, branch offices, and cloud environments.

• Evaluate and recommend network technologies, hardware, and software to optimize performance.

• Configure, manage, and optimize next-generation firewalls and network security devices.

• Design and implement firewall policies, rule sets, and security zones to align with industry best practices.

• Conduct firewall performance tuning, troubleshooting, and security audits.

• Implement intrusion detection and prevention (IDS/IPS) solutions and enforce Zero Trust Network principles.

• Stay updated with emerging technologies, threat intelligence, and security patches.

• Oversee the configuration, monitoring, and maintenance of enterprise LAN, WAN, MPLS, SD-WAN, and VPN infrastructures.

• Implement QoS, traffic shaping, and network segmentation to enhance performance and security.

• Ensure network redundancy, failover, and load balancing for mission-critical applications.

• Troubleshoot complex network performance issues and lead root cause analysis.

• Design and implement secure cloud networking solutions on AWS, Azure, and Google Cloud.

• Integrate cloud-native security controls and firewalls.

• Deploy VPNs, Express Route, Direct Connect, and SD-WAN solutions for hybrid cloud connectivity.

• Ensure secure API and container-based networking within cloud and microservices environments.

• Ensure compliance with ISO 27001, NIST, PCI-DSS, GDPR, and other regulatory standards.

• Implement Zero Trust Security, Network Access Control (NAC), and micro-segmentation.

• Conduct vulnerability assessments, penetration testing, and risk mitigation for network security.

• Work with cybersecurity teams to integrate SIEM (e.g., Splunk, Sentinel, QRadar) and threat intelligence solutions.

• Deploy and manage network monitoring tools (e.g., Solar Winds, PRTG, Nagios, Zabbix) for proactive issue detection.

• Automate network operations using Python, Ansible, Terraform, and REST APIs.

• Implement log management and correlation for security event detection.

• Optimize network configuration management using NCM and compliance reporting tools.

• Act as a subject matter expert (SME) for networking and security architectures.

• Provide mentorship and technical guidance to junior network engineers and security teams.

• Develop and maintain network diagrams, SOPs, technical documentation, and security policies.

• Collaborate with cross-functional teams (Cloud, Security, Dev Ops, Infrastructure) to align network strategies with business goals.

Qualifications:

Required:

• 10+ years of experience in designing, implementing, and securing complex enterprise networks.

• Strong expertise in network security, cloud networking, and enterprise infrastructure.

• Bachelor's or Masters degree in Computer Science, Network Engineering, or a related field.

• Expert-level experience with enterprise firewall platforms and security policies.

• Strong expertise in network protocols (BGP, OSPF, EIGRP, VXLAN, MPLS, SD-WAN).

• Experience with Cisco, Juniper, Palo Alto, Fortinet, and Aruba network solutions.

• Hands-on knowledge of Layer 2/3 switching, VLANs, STP, and…