Network & IT Systems Engineer (L2/L3 Level)

Secutech Automation (India) Pvt Ltd; Mumbai; On-site; INR 800,000 - 1,200,000; Full time

Job summary

Secutech Automation (India) Pvt Ltd is seeking an experienced L2/L3 Network & IT Systems Engineer to manage enterprise-level network infrastructure. This role includes configuring network devices, supporting IT systems, and implementing cybersecurity measures. The ideal candidate will have over 5 years of experience with a strong understanding of network management and architecture, including certifications in networking and cybersecurity. The position requires excellent problem-solving and communication skills while working in a dynamic environment.

Qualifications

• 5+ years of experience in network and IT systems engineering roles.
• At least 2 years of experience at an L3 level.
• Proficiency in complex troubleshooting, design, and architecture.

Responsibilities

• Configure and commission a variety of network devices.
• Manage end-to-end network commissioning and service support.
• Troubleshoot complex network connectivity issues.
• Implement cybersecurity tools and log collection procedures.

Skills

Networking expertise

TCP/IP understanding

Problem-solving skills

Communication

Cybersecurity knowledge

Education

Bachelor’s degree in Computer Science or related field

Tools

Cisco equipment

Network Management Software

Virtualization tools

Job description

5 Years

Full-Time

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)

• 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.
• Oversee end‑to‑end network commissioning and provide dedicated service support throughout project execution phases.
• Diagnose and resolve complex network connectivity issues such as L2 loops, VLAN mismatches, and routing failures.
• Troubleshoot and resolve protocol‑related issues covering STP, DHCP, DNS, OSPF, and BGP.
• Proactively identify and address LAN/WAN performance problems and downtime incidents.
• Implement and manage VLANs, inter‑VLAN routing, access lists, and static/dynamic routing configurations.

Passive Infrastructure Validation

• Collaborate on planning and validating passive infrastructure components such as Cat6 and OFC cables, patch panels, LIUs, copper and fiber patch cords, 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 monitoring parameters like SNMP, traps, syslog, flow monitoring, and establish effective alerting rules.
• Maintain accurate and updated documentation for all device configurations, network topologies, and change logs.

IT System Support

• Configure and set up desktops, laptops, workstations, and physical/virtual servers.
• Install and manage operating systems such as Windows, Linux, and various server OS versions.
• Administer Active Directory, DNS, DHCP, and Group Policy Objects in enterprise domain environments.
• Perform installation, patching, and basic maintenance of server applications and storage systems (e.g., SAN, NAS).

Cybersecurity & Compliance

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

Surveillance & ELV System Commissioning

• Support configuration and commissioning of CCTV systems (VMS/NVR), Access Control systems, Building Management Systems (BMS), and Integrated Command & Control Center (ICCC) applications.
• Ensure seamless integration of ELV systems into the network and control‑room infrastructure.

Telecom and Connectivity

• Provide advice on connectivity technologies such as MPLS, Leased Line, Broadband, RF, and VPN.
• Assist in selecting optimal ISPs or connectivity methods tailored to specific project requirements.

Documentation & Asset Management

• Maintain records of switch/router inventory, network topologies, VLAN schemas, serial numbers, licenses, and warranty/RMA status.
• Perform regular backup configurations and firmware upgrades to maintain system stability and security.

Customer & OEM Coordination

• Log complaints with OEMs, track RMAs, and follow up until resolution.
• Coordinate planned downtimes, upgrades, and migrations with customers.
• Provide telephonic and remote support for urgent and critical issues.
• Support the presales team during tender and bidding phases by suggesting network components, validating technical specifications, reviewing BOQs and network architecture, and preparing detailed network designs (HLD/LLD).

Project Execution & Coordination

• Provide L2/L3 escalation support to site engineers during implementation and ongoing support.
• Conduct site visits for surveys, commissioning, and handover activities.
• Train end‑users and client engineers during project handover.

Qualifications:

• Education: Bachelor’s degree or Diploma in Computer Science, Information Technology, Electronics & Telecommunication Engineering, or a closely related field.
• Experience:
  • 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, CompTIA Network+, Juniper JNCIA/JNCIS.
  • Server/OS: Microsoft MCSA/Mcse, Red Hat RHCSA/RHCE.
  • Cybersecurity: CompTIA Security+, Fortinet NSE, CEH.
  • Virtualization: VMware VCP, Microsoft Hyper‑V.
  • ITIL Foundation (preferred).
• Technical Skills:
  • Proven expertise with network hardware vendors and in-depth understanding of TCP/IP, routing protocols, MPLS, QoS, VLANs, VPNs, and SDN.
  • Solid knowledge of server hardware, virtualization, storage solutions, and operating systems.
  • Experience with directory services and network monitoring tools.
  • Strong understanding of cybersecurity concepts and ELV system integration.
• Soft Skills:
  • Exceptional problem‑solving and analytical skills.
  • Strong communication, interpersonal, and documentation abilities.
  • Ability to work independently and collaboratively in a fast‑paced environment.
  • Commitment to continuous learning and staying updated with emerging technologies.