Network & IT Systems Engineer (L2/L3 Level)

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 (APs) .
• 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 .

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 .
• 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).

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 .
• 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.

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: Bachelors 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.
• 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).
• 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.
• 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.