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Schima Sysnet and Systems Pvt Ltd

SR. NETWORK ENGINEER

Actively Reviewing

Schima Sysnet and Systems Pvt Ltd

Chennai Full-Time 4–8 yrs exp Posted 1 day ago  · Apply by Sep 14, 2026

Job Description

  • Configure, manage, and troubleshoot routers, switches, firewalls, and IDS/IPS solutions.
  • Administer and support network devices from Cisco, Alcatel, Juniper, Palo Alto, Check Point, and Fortinet.
  • Administer and maintain FortiGate Firewalls, FortiManager, FortiAnalyzer, FortiAuthenticator, and FortiClient solutions.
  • Configure and manage Cisco Wireless LAN Controllers (WLC), Access Points, and Aruba ClearPass NAC solutions.
  • Hands-on experience with F5 Load Balancers, application traffic optimization, and high-availability configurations.
  • Manage and maintain structured cabling infrastructure including UTP and fiber networks.
  • Support, administer, and maintain campus-wide network infrastructure and connectivity.
  • Strong knowledge of Layer 2/Layer 3 networking, routing, switching, VLANs, STP, OSPF, BGP, and core firewall infrastructure.
  • Implement and manage Network Access Control (NAC) solutions and network security policies.
  • Configure firewall rules, VPNs, and security settings to safeguard enterprise infrastructure.
  • Perform firmware upgrades, patching, and operating system updates for network devices.
  • Monitor network performance, availability, and capacity utilization to ensure stable operations.
  • Analyze network traffic patterns, troubleshoot network issues, and optimize performance.
  • Collaborate with Service Desk, Infrastructure, and On-site Support teams for incident resolution and operational support.
  • Maintain accurate network documentation, topology diagrams, SOPs, and operational procedures.
  • Ensure compliance with organizational security standards, policies, and best practices.
  • Track incidents, service requests, and deployments while ensuring timely resolution and escalation.
  • Work with stakeholders and vendors to recommend and implement effective network solutions.
  • Ensure high availability, reliability, and minimal downtime across network infrastructure.

Qualifications & Skills

  • Proven hands-on experience with Cisco, Juniper, Alcatel, Palo Alto, Check Point, and Fortinet network technologies.
  • Strong knowledge of Layer 2/Layer 3 networking, routing, switching, VLANs, STP, OSPF, BGP, and core firewall technologies.
  • Experience with Wireless LAN technologies including Cisco WLC, Access Points, and Aruba ClearPass.
  • Hands-on experience with F5 Load Balancers, traffic optimization, and high-availability configurations.
  • Familiarity with structured cabling environments including UTP and Fiber infrastructure.
  • Strong troubleshooting and analytical skills with experience in traffic analysis and log investigation.
  • Experience implementing and securing enterprise network infrastructure including firewalls, IDS/IPS, VPNs, and NAC solutions.
  • Ability to work in a fast-paced enterprise or SI environment and manage critical incidents effectively.
  • Good communication and stakeholder management skills with the ability to coordinate across technical teams and vendors.

Preferred Certifications:

  • CCNP / PCNSE / NSE4 / JNCIA / ITIL

Experience:

  • 6–12 years in Enterprise Network Infrastructure Support.
  • Experience supporting multi-site enterprise or managed service environments will be an added advantage.