[21/10/2025] It Network

4 weeks ago


Chennai, India TOCUMULUS Full time

Position Purpose: We are seeking a highly skilled and experienced IT Network & Security Engineer to join our team. This individual will be responsible for managing end-to-end security across enterprise network infrastructure, addressing L1, L2, and L3 support tickets, and contributing to the design, review, and implementation of secure network solutions. The ideal candidate will possess hands-on expertise in managing LAN/WAN, Wi-Fi, Data Center networks, and hybrid cloud environments, as well as in configuring and securing firewalls and VPNs. Role Description: 1. Network Design & Implementation: - Design, implement, and maintain secure LAN/WAN, Wi-Fi, and Data Center networks. - Develop scalable and resilient network security architectures in alignment with business and compliance requirements. 2. Firewall & Security Appliance Management: - Configure and manage next-generation firewalls and security appliances (Cisco ASA, Palo Alto, Fortinet, Check Point). - Maintain access control policies, VPN configurations, and network segmentation. 3. Ticket Resolution: - Provide timely and effective resolution of L1, L2, and L3 network & security support tickets. - Troubleshoot complex issues related to performance, connectivity, and security across enterprise environments. 4. VPN & Secure Connectivity: - Deploy and manage various VPN technologies including IPSec, SSL VPN, DMVPN, and Remote Access VPN. 5. NAC & Identity-Based Access: - Implement and manage Network Access Control (NAC) solutions using Cisco ISE or Aruba ClearPass. 6. Cloud Security: - Design and enforce security controls in Azure and AWS environments. - Implement and maintain cloud-based firewalls, NSGs, WAFs, CASBs, and SASE architectures. 7. Monitoring & Audit: - Utilize tools such as ManageEngine, SolarWinds and PRTG for proactive monitoring and alerting. - Conduct periodic audits, maintain security documentation, and perform risk assessments to ensure compliance. 8. Switching Infrastructure: - Manage Cisco Access and Core switches, including Nexus device configuration and lifecycle management. 9. Collaboration & Continuous Improvement: - Work cross-functionally with IT operations, compliance, and DevOps teams to enhance security posture. - Create and review new network security solutions and provide technical guidance on emerging threats and technologies. Job Specific Knowledge/Skills: - Good knowledge of Company operations and business across various sectors. - Analytical thinking - Ability to prioritize actions and work within a diverse team. - Ability to work in a dynamic fast paced, diverse environment. - Excellent communication skills, both written and verbal. - Microsoft Office. - Experience in managing effective communications across multiple business area and to different seniority levels. Education: - Bachelor's degree in Information Technology, Computer Science, or related field (or equivalent experience). - 8+ years of experience in network and security engineering roles. - Strong understanding of TCP/IP, routing protocols, network segmentation, and security principles. - Hands-on experience with Cisco IOS/NX-OS, firewall rule sets, VPN technologies, and NAC deployments. - Expertise in hybrid and multi-cloud security models. - Excellent analytical, problem-solving, and communication skills. Experience: - Firewall Technologies: Fortinet NSE 4–8 Certification · - Palo Alto Networks Certified Network Security Engineer (PCNSE) - Cisco: CCNP Security Additional Information: - Work with cutting-edge security technologies across on-premises and cloud environments. - Collaborative and growth-focused work culture. - Opportunities for upskilling and certification support.



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