Job Summary:

As an L2/L3 Network & IT Systems Engineer, you will be a pivotal member of our team, responsible for managing and supporting enterprise-level network infrastructure. This role is instrumental in project execution, service delivery, and presales support, encompassing network design, implementation, commissioning, and advanced troubleshooting. You will work across a diverse IT landscape, including active/passive networking, server systems, surveillance systems, and cybersecurity solutions, ensuring robust and reliable IT operations.

Key Responsibilities:

Network & Infrastructure (L2/L3 Expertise)


  • Configuration & Commissioning:
    • Configure and commission a wide range of network devices, including Edge L2 switches, Distribution & Aggregation L3 switches, Core L3 switches, SAN switches, Routers, TOR (Top of Rack) switches, Wi-Fi routers, and Access Points (AP's).
    • Oversee end-to-end network commissioning and provide dedicated service support throughout project execution phases.
  • Configure and commission a wide range of network devices, including Edge L2 switches, Distribution & Aggregation L3 switches, Core L3 switches, SAN switches, Routers, TOR (Top of Rack) switches, Wi-Fi routers, and Access Points (AP's).
  • Oversee end-to-end network commissioning and provide dedicated service support throughout project execution phases.

  • Troubleshooting & Optimization:
    • Diagnose and resolve complex network connectivity issues (e.g., L2 loops, VLAN mismatches, routing failures) with precision.
    • Troubleshoot and resolve protocol-related issues covering STP, DHCP, DNS, OSPF, and BGP.
    • Proactively identify and address LAN/WAN performance problems and downtime incidents, ensuring minimal disruption.
    • Implement and manage intricate VLANs, inter-VLAN routing, access lists, and static/dynamic routing configurations.
  • Diagnose and resolve complex network connectivity issues (e.g., L2 loops, VLAN mismatches, routing failures) with precision.
  • Troubleshoot and resolve protocol-related issues covering STP, DHCP, DNS, OSPF, and BGP.
  • Proactively identify and address LAN/WAN performance problems and downtime incidents, ensuring minimal disruption.
  • Implement and manage intricate VLANs, inter-VLAN routing, access lists, and static/dynamic routing configurations.

Passive Infrastructure Validation

  • Collaborate on planning and validating comprehensive passive infrastructure components, including:
    • Cat6 and OFC cables, patch panels, and LIUs.
    • Copper and fiber patch cords, and SFP modules.
    • Server racks and equipment mounting.
  • Cat6 and OFC cables, patch panels, and LIUs.
  • Copper and fiber patch cords, and SFP modules.
  • Server racks and equipment mounting.
  • Ensure all IT equipment is rack-mounted and installed in strict adherence to industry and design standards.

Network Management & Monitoring (NMS)

  • Deploy, configure, and maintain Network Management Software (NMS) solutions.
  • Configure essential monitoring parameters like SNMP, traps, syslog, and flow monitoring, and establish effective alerting rules to ensure proactive issue detection.
  • Maintain accurate and updated documentation for all device configurations, network topologies, and change logs.

IT System Support

  • Configuration & Setup:
    • Configure and set up various IT equipment including desktops, laptops, workstations, and physical/virtual servers.
    • Install and manage diverse Operating Systems such as Windows OS, Linux OS, and various Server OS versions.
    • Administer Active Directory, DNS, DHCP, and Group Policy Objects (GPOs) within enterprise domain environments.
    • Perform installation, patching, and basic maintenance of server applications and storage systems (e.g., SAN, NAS).
  • Configure and set up various IT equipment including desktops, laptops, workstations, and physical/virtual servers.
  • Install and manage diverse Operating Systems such as Windows OS, Linux OS, and various Server OS versions.
  • Administer Active Directory, DNS, DHCP, and Group Policy Objects (GPOs) within enterprise domain environments.
  • Perform installation, patching, and basic maintenance of server applications and storage systems (e.g., SAN, NAS).

Cybersecurity & Compliance

  • Configure and support fundamental cybersecurity tools including endpoint protection platforms, firewall rules, and antivirus/anti-malware solutions.
  • Implement robust log collection and auditing procedures for comprehensive security monitoring.
  • Assist in the integration and support of firewalls, VPNs, and access control policies.
  • Coordinate with internal security teams or OEMs for advanced issue resolution and threat mitigation.

Surveillance & ELV System Commissioning

  • Provide expert support for the configuration and commissioning of CCTV systems (VMS/NVR), Access Control systems, Building Management Systems (BMS), and Integrated Command & Control Center (ICCC) Applications.
  • Ensure seamless and efficient integration of ELV systems into the network and control room infrastructure.

Telecom and Connectivity

  • Possess a strong understanding of and provide informed advice on various connectivity technologies, including MPLS, Leased Line, Broadband, RF, and VPN.
  • Assist in selecting optimal ISPs or connectivity methods tailored to specific project requirements.

Documentation & Asset Management

  • Maintain comprehensive and updated records in Excel or a central documentation system for:
    • Switch/router and other network device inventory.
    • Network topologies and VLAN schemas.
    • Serial numbers, licenses, and warranty/RMA status.
  • Switch/router and other network device inventory.
  • Network topologies and VLAN schemas.
  • Serial numbers, licenses, and warranty/RMA status.
  • Perform regular backup configurations and firmware upgrades as needed to ensure system stability and security.

Customer & OEM Coordination

  • Efficiently log complaints with OEMs, track RMAs, and follow up relentlessly until successful resolution.
  • Coordinate planned downtimes, upgrades, and migrations with customers, minimizing business disruption.
  • Provide timely telephonic and remote support for urgent and critical issues.

Presales Support (L3 Specific)

  • Actively support the Presales team during the tender and bidding phases by:
    • Suggesting appropriate network components (L2/L3/Industrial switches, routers, APs) based on project needs and industry best practices.
    • Validating technical specifications, compliance sheets, and conducting thorough pricing comparisons.
    • Reviewing Bills of Quantity (BOQs) and network architecture for optimal fitment, scalability, and cost efficiency.
    • Assisting in preparing detailed network designs (HLD/LLD) and recommending suitable passive materials.
  • Suggesting appropriate network components (L2/L3/Industrial switches, routers, APs) based on project needs and industry best practices.
  • Validating technical specifications, compliance sheets, and conducting thorough pricing comparisons.
  • Reviewing Bills of Quantity (BOQs) and network architecture for optimal fitment, scalability, and cost efficiency.
  • Assisting in preparing detailed network designs (HLD/LLD) and recommending suitable passive materials.

Project Execution & Coordination

  • Provide L2/L3 escalation support to site engineers during implementation and ongoing support phases.
  • Conduct essential site visits (local/outstation) for surveys, commissioning, and handover activities.
  • Train end-users and client engineers effectively during project handover, ensuring smooth operational transition.

Qualifications:

  • Education: Bachelor's degree /Diploma in Computer Science, Information Technology, Electronics & Telecommunication Engineering, or a closely related field.

  • Experience:
    • Minimum of 5+ years of progressive experience in network and IT systems engineering roles.
    • At least 2 years of experience at an L3 level, demonstrating proficiency in complex troubleshooting, design, and architecture.
  • Minimum of 5+ years of progressive experience in network and IT systems engineering roles.
  • At least 2 years of experience at an L3 level, demonstrating proficiency in complex troubleshooting, design, and architecture.
  • Certifications (Highly Preferred):
    • Networking: Cisco CCNA/CCNP (Routing & Switching/Enterprise), CompTIA Network+, Juniper JNCIA/JNCIS, or equivalent vendor-specific certifications.
    • Server/OS: Microsoft Certified Solutions Associate (MCSA)/Expert (MCSE), Red Hat Certified System Administrator (RHCSA)/Engineer (RHCE), or equivalent.
    • Cybersecurity: CompTIA Security+, Fortinet NSE (Level 4+), Palo Alto Networks PCCSA/PCNSA, CEH, or equivalent.
    • Virtualization: VMware VCP, Microsoft Hyper-V certification (beneficial).
    • ITIL Foundation certification (preferred).
  • Networking: Cisco CCNA/CCNP (Routing & Switching/Enterprise), CompTIA Network+, Juniper JNCIA/JNCIS, or equivalent vendor-specific certifications.
  • Server/OS: Microsoft Certified Solutions Associate (MCSA)/Expert (MCSE), Red Hat Certified System Administrator (RHCSA)/Engineer (RHCE), or equivalent.
  • Cybersecurity: CompTIA Security+, Fortinet NSE (Level 4+), Palo Alto Networks PCCSA/PCNSA, CEH, or equivalent.
  • Virtualization: VMware VCP, Microsoft Hyper-V certification (beneficial).
  • ITIL Foundation certification (preferred).
  • Technical Skills:
    • Networking: Proven expertise with various network hardware vendors (e.g., Cisco, Juniper, HP Aruba, Fortinet, Dell, Huawei). In-depth understanding of TCP/IP stack, advanced routing protocols (OSPF, BGP, EIGRP), MPLS, QoS, VLANs, VPNs (IPSec, SSL), and software-defined networking (SDN) concepts.
    • Server & Storage: Solid understanding of server hardware, rack servers, blade servers, virtualization technologies (VMware ESXi, Microsoft Hyper-V), and storage solutions (SAN, NAS, Fibre Channel, iSCSI).
    • Operating Systems: Strong proficiency in administering Windows Server (2012 R2, 2016, 2019, 2022) and Linux distributions (e.g., RHEL, Ubuntu).
    • Directory Services: Expertise in Active Directory, DNS, DHCP, and Group Policy Management.
    • Network Management: Hands-on experience with deploying, configuring, and managing network monitoring tools and NMS platforms (e.g., SolarWinds, PRTG, Zabbix, Nagios).
    • Cybersecurity: Strong grasp of cybersecurity concepts, including firewall management (e.g., FortiGate, Palo Alto, Cisco ASA), intrusion detection/prevention systems (IDS/IPS), endpoint detection & response (EDR), SIEM concepts, and vulnerability management.
    • ELV Systems: Familiarity with IP-based CCTV (VMS/NVR systems like Milestone, Genetec, Pelco), Access Control Systems (ACS), Building Management Systems (BMS), and their integration requirements with IT networks.
    • Scripting/Automation: Basic scripting skills (e.g., Python, PowerShell) for network or system automation are a plus.
  • Networking: Proven expertise with various network hardware vendors (e.g., Cisco, Juniper, HP Aruba, Fortinet, Dell, Huawei). In-depth understanding of TCP/IP stack, advanced routing protocols (OSPF, BGP, EIGRP), MPLS, QoS, VLANs, VPNs (IPSec, SSL), and software-defined networking (SDN) concepts.
  • Server & Storage: Solid understanding of server hardware, rack servers, blade servers, virtualization technologies (VMware ESXi, Microsoft Hyper-V), and storage solutions (SAN, NAS, Fibre Channel, iSCSI).
  • Operating Systems: Strong proficiency in administering Windows Server (2012 R2, 2016, 2019, 2022) and Linux distributions (e.g., RHEL, Ubuntu).
  • Directory Services: Expertise in Active Directory, DNS, DHCP, and Group Policy Management.
  • Network Management: Hands-on experience with deploying, configuring, and managing network monitoring tools and NMS platforms (e.g., SolarWinds, PRTG, Zabbix, Nagios).
  • Cybersecurity: Strong grasp of cybersecurity concepts, including firewall management (e.g., FortiGate, Palo Alto, Cisco ASA), intrusion detection/prevention systems (IDS/IPS), endpoint detection & response (EDR), SIEM concepts, and vulnerability management.
  • ELV Systems: Familiarity with IP-based CCTV (VMS/NVR systems like Milestone, Genetec, Pelco), Access Control Systems (ACS), Building Management Systems (BMS), and their integration requirements with IT networks.
  • Scripting/Automation: Basic scripting skills (e.g., Python, PowerShell) for network or system automation are a plus.
  • Soft Skills:
    • Exceptional problem-solving and analytical skills with a meticulous attention to detail, capable of diagnosing complex issues under pressure.
    • Strong communication and interpersonal skills, enabling effective interaction with customers, vendors, and cross-functional teams at all technical levels.
    • Ability to work independently and collaboratively as part of a team in a dynamic, fast-paced environment.
    • Excellent documentation and organizational skills, with a commitment to maintaining accurate and up-to-date records and diagrams.
    • Proven ability to manage multiple tasks and priorities effectively, delivering high-quality results within deadlines.
    • Strong commitment to continuous learning and staying updated with emerging technologies.
  • Exceptional problem-solving and analytical skills with a meticulous attention to detail, capable of diagnosing complex issues under pressure.
  • Strong communication and interpersonal skills, enabling effective interaction with customers, vendors, and cross-functional teams at all technical levels.
  • Ability to work independently and collaboratively as part of a team in a dynamic, fast-paced environment.
  • Excellent documentation and organizational skills, with a commitment to maintaining accurate and up-to-date records and diagrams.
  • Proven ability to manage multiple tasks and priorities effectively, delivering high-quality results within deadlines.
  • Strong commitment to continuous learning and staying updated with emerging technologies.

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