CAREERS

The L2 Network Engineer, specializing in Wireless and Switching, is responsible for the daily operations, maintenance, and support of network infrastructure. This role includes troubleshooting network issues, assisting with the deployment of network solutions, and providing second-level support for wireless and switching environments. The L2 Network Engineer collaborates with L1 support teams and L3 engineers to maintain network stability and security. The position requires flexibility to work in 24x7 shifts.

Strong knowledge of IP routing and switching is required.

Good in Security technology domain with demonstrated expertise in the following areas - Firewall, Cisco

ISE, IPS/IDS, Admission Control, encryption, VPN etc.

Design, implement, and maintain wireless networks using Cisco DNAC.

Hands-On experience with Cisco Wireless Products - WLC (Wireless LAN Controllers), Access Points (AP),

MSE, Prime Infrastructure (PI) etc.

Deep understanding of IEEE 802.11 standards (a,b,g), 802.1x, Wi-Fi .

Knowledge of WLAN Security in the areas of authentication, encryption, IDS/IPS using Radius, AAA

authentication, EAP, LEAP, PEAP, PSK.

WEP encryption (Wired Equivalent Privacy,WPA (Wi-Fi Protocol Access), WPA2.

Examine requirements and provide solutions within the constraints specified. Follows the agile

methodology for fast solution delivery, testing, and value realization.

Presentation Skills:Executive level presentation skills, able to communicate complex solutions to nontechnical audience successfully to help drive business growth and outcomes.

Basic programming language and should be able to automate tasks leveraging AI where possible.

Cisco certification (CCNA, CCNP Security, or higher) is preferred.

Job Summary:

The L2 Network Engineer specializing in Wireless, Switching, and Firewalls is responsible for the day-to-day operations, maintenance, and support of network infrastructure. This role involves managing and troubleshooting network issues, assisting with the implementation of network solutions, and providing second-level support for wireless, switching, and firewall environments. The L2 Network Engineer works closely with L1 support teams and L3 engineers to ensure the stability and security of the network.

Key Responsibilities:

Network Operations and Support:
willing to work in 24x7 shifts 
Monitor and manage wireless, switching, and firewall infrastructure to ensure optimal performance and uptime.
Provide second-level support by diagnosing and resolving network issues related to wireless connectivity, switching configurations, and firewall rules.
Escalate complex issues to L3 engineers or other specialized teams as needed, while assisting in root cause analysis and resolution.
Wireless Network Management:
Assist in the deployment, configuration, and maintenance of wireless network equipment, such as access points, wireless controllers, and related infrastructure.
Perform wireless network troubleshooting, including resolving issues related to signal interference, connectivity, and authentication.
Support site surveys and optimize wireless network configurations to ensure adequate coverage, capacity, and performance.
Switching and Routing:
Configure and maintain Layer 2 and Layer 3 network switches, including VLANs, spanning tree protocol (STP), link aggregation (LACP), and routing protocols (e.g., OSPF, EIGRP).
Troubleshoot issues related to VLAN misconfigurations, trunk ports, and Layer 2 loops, ensuring the stability of the switching environment.
Perform regular checks and updates to ensure the network is running efficiently and securely.
Firewall Administration:
Assist in configuring, managing, and maintaining firewalls from various vendors (e.g., Cisco ASA/Firepower, Palo Alto, Fortinet) to protect network resources.
Troubleshoot firewall-related issues, such as access control lists (ACLs), VPN tunnels, and NAT configurations.
Support the implementation of security policies and procedures to safeguard network infrastructure from potential threats.
Network Monitoring and Documentation:
Use network monitoring tools (e.g., SolarWinds, Nagios, Cisco Prime, Aruba AirWave) to monitor network performance, identify issues, and generate reports.
Maintain up-to-date network documentation, including network diagrams, device configurations, and incident logs.
Provide regular status updates and reports on network performance and incidents to management and stakeholders.
Collaboration and Coordination:
Work closely with L1 support teams to provide guidance, training, and technical support to resolve common network issues.
Collaborate with L3 engineers and other IT teams to plan and execute network upgrades, patches, and migrations.
Participate in network-related projects and assist in the implementation of new technologies and solutions.
Continuous Improvement and Learning:
Stay updated with the latest network technologies, protocols, and best practices.
Participate in training sessions, workshops, and certification programs to enhance technical skills and knowledge.
Qualifications and Skills:

Certifications: Relevant certifications such as CCNA, CompTIA Network+, CWNA, or equivalent are preferred.
Technical Skills:
Strong understanding of wireless networking concepts (802.11 standards, RF basics, wireless security).
Knowledge of Layer 2 and Layer 3 switching concepts, including VLANs, STP, VTP, and routing protocols.
Experience with firewalls (Cisco ASA/Firepower, Palo Alto, Fortinet) and security configurations (ACLs, NAT, VPNs).
Familiarity with network monitoring and troubleshooting tools (Wireshark, SolarWinds, Cisco Prime).
Problem-Solving Skills: Strong analytical and troubleshooting skills with the ability to diagnose and resolve network issues.
Communication Skills: Good verbal and written communication skills, with the ability to interact effectively with team members and customers.
Organizational Skills: Ability to manage multiple tasks, prioritize, and work in a fast-paced environment.
Preferred Qualifications:

Experience with network automation and scripting (Python, Ansible) is a plus.
Familiarity with cloud networking (AWS, Azure, GCP) and hybrid network environments.
Understanding of network access control (NAC) solutions, such as Cisco ISE or Aruba ClearPass.
Working Conditions:

Key Skills and Responsibilities:
- Hands-on experience with network devices (routers, switches, firewalls)
- Network configuration and management
- Software installation and troubleshooting
- Basic network troubleshooting commands
- Remote connectivity and support
- Network infrastructure setup
- Troubleshooting and resolving network issues
- Excellent communication and interpersonal skills
- Compulsory knowledge in Crimping and Cabling

Package:
- 2.4 LPA (based on candidate performance)

Job Summary:

The L2 Network Engineer specializing in Wireless, Switching, and Firewalls is responsible for the day-to-day operations, maintenance, and support of network infrastructure. This role involves managing and troubleshooting network issues, assisting with the implementation of network solutions, and providing second-level support for wireless, switching, and firewall environments. The L2 Network Engineer works closely with L1 support teams and L3 engineers to ensure the stability and security of the network.

Key Responsibilities:

1. Network Operations and Support:
• Monitor and manage wireless, switching, and firewall infrastructure to ensure optimal performance and uptime.
• Provide second-level support by diagnosing and resolving network issues related to wireless connectivity, switching configurations, and firewall rules.
• Escalate complex issues to L3 engineers or other specialized teams as needed, while assisting in root cause analysis and resolution.
2. Wireless Network Management:
• Assist in the deployment, configuration, and maintenance of wireless network equipment, such as access points, wireless controllers, and related infrastructure.
• Perform wireless network troubleshooting, including resolving issues related to signal interference, connectivity, and authentication.
• Support site surveys and optimize wireless network configurations to ensure adequate coverage, capacity, and performance.
3. Switching and Routing:
• Configure and maintain Layer 2 and Layer 3 network switches, including VLANs, spanning tree protocol (STP), link aggregation (LACP), and routing protocols (e.g., OSPF, EIGRP).
• Troubleshoot issues related to VLAN misconfigurations, trunk ports, and Layer 2 loops, ensuring the stability of the switching environment.
• Perform regular checks and updates to ensure the network is running efficiently and securely.
4. Firewall Administration:
• Assist in configuring, managing, and maintaining firewalls from various vendors (e.g., Cisco ASA/Firepower, Palo Alto, Fortinet) to protect network resources.
• Troubleshoot firewall-related issues, such as access control lists (ACLs), VPN tunnels, and NAT configurations.
• Support the implementation of security policies and procedures to safeguard network infrastructure from potential threats.
5. Network Monitoring and Documentation:
• Use network monitoring tools (e.g., SolarWinds, Nagios, Cisco Prime, Aruba AirWave) to monitor network performance, identify issues, and generate reports.
• Maintain up-to-date network documentation, including network diagrams, device configurations, and incident logs.
• Provide regular status updates and reports on network performance and incidents to management and stakeholders.
6. Collaboration and Coordination:
• Work closely with L1 support teams to provide guidance, training, and technical support to resolve common network issues.
• Collaborate with L3 engineers and other IT teams to plan and execute network upgrades, patches, and migrations.
• Participate in network-related projects and assist in the implementation of new technologies and solutions.
7. Continuous Improvement and Learning:
• Stay updated with the latest network technologies, protocols, and best practices.
• Participate in training sessions, workshops, and certification programs to enhance technical skills and knowledge.

Qualifications and Skills:

• Certifications: Relevant certifications such as CCNA, CompTIA Network+, CWNA, or equivalent are preferred.
• Technical Skills:
• Strong understanding of wireless networking concepts (802.11 standards, RF basics, wireless security).
• Knowledge of Layer 2 and Layer 3 switching concepts, including VLANs, STP, VTP, and routing protocols.
• Experience with firewalls (Cisco ASA/Firepower, Palo Alto, Fortinet) and security configurations (ACLs, NAT, VPNs).
• Familiarity with network monitoring and troubleshooting tools (Wireshark, SolarWinds, Cisco Prime).
• Problem-Solving Skills: Strong analytical and troubleshooting skills with the ability to diagnose and resolve network issues.
• Communication Skills: Good verbal and written communication skills, with the ability to interact effectively with team members and customers.
• Organizational Skills: Ability to manage multiple tasks, prioritize, and work in a fast-paced environment.

Preferred Qualifications:

• Experience with network automation and scripting (Python, Ansible) is a plus.
• Familiarity with cloud networking (AWS, Azure, GCP) and hybrid network environments.
• Understanding of network access control (NAC) solutions, such as Cisco ISE or Aruba ClearPass.

Working Conditions:

• Office environment with potential for remote work.
• May require occasional travel to client sites or data centers for support or implementation.
• On-call availability for after-hours support or network maintenance.

The L3 Network Engineer specializing in Wireless, Switching, and Firewalls is a senior-level professional responsible for designing, implementing, managing, and troubleshooting complex network environments. This role involves working with wireless infrastructure, Layer 2/3 switching, and firewall security systems to ensure a robust and secure network. The L3 Network Engineer will provide advanced technical support, mentor junior staff, and collaborate with various teams to deliver high-quality network solutions.

Key Responsibilities:

1. Network Design and Implementation:
• Design, deploy, and manage wireless network solutions, including access points, controllers, and wireless LAN controllers (WLCs) to provide optimal coverage and performance.
• Configure and maintain Layer 2/3 network switching environments, including VLANs, STP, VTP, HSRP/VRRP, VSS, and port channel configurations.
• Implement and manage firewall solutions from vendors like Cisco, Palo Alto, Fortinet, and Check Point, including configuring access control lists (ACLs), NAT, VPNs, and intrusion prevention systems (IPS).
2. Advanced Troubleshooting and Support:
• Act as an escalation point for L1 and L2 network support teams, providing advanced troubleshooting for wireless, switching, and firewall-related issues.
• Diagnose and resolve complex network issues such as connectivity problems, packet loss, latency, and security incidents.
• Use network monitoring tools and packet analyzers (e.g., Wireshark, SolarWinds, Cisco DNA Center) to identify and address performance bottlenecks and failures.
3. Wireless Network Optimization:
• Conduct site surveys using tools like Ekahau or AirMagnet to design and optimize wireless coverage, capacity, and performance.
• Troubleshoot RF-related issues, such as interference, channel overlap, and signal degradation.
• Configure and optimize wireless security protocols, including WPA3, 802.1X, RADIUS, and EAP.
4. Network Security and Compliance:
• Configure and manage firewall rules, VPNs, and security policies to protect network resources and ensure compliance with security standards.
• Perform regular security assessments, vulnerability scans, and audits to identify and mitigate security risks.
• Respond to and resolve network security incidents, including DDoS attacks, malware outbreaks, and unauthorized access attempts.
5. Network Monitoring and Maintenance:
• Implement and maintain network monitoring systems to proactively detect and resolve issues before they impact operations.
• Perform regular maintenance tasks, such as firmware upgrades, configuration backups, and patch management for network devices.
• Maintain accurate network documentation, including network diagrams, device configurations, and procedures.
6. Collaboration and Mentorship:
• Work closely with cross-functional teams (e.g., systems, security, applications) to integrate network solutions and ensure seamless operation.
• Provide mentorship, training, and guidance to L1 and L2 engineers to help them develop their technical skills and knowledge.
• Participate in technical workshops, knowledge-sharing sessions, and project planning meetings.
7. Process Improvement and Automation:
• Identify opportunities to improve network processes and workflows to increase efficiency and reduce manual effort.
• Develop automation scripts and tools (e.g., Python, Ansible) to streamline network configuration, monitoring, and management tasks.

Qualifications and Skills:

• Certifications: Relevant certifications such as CCNP Wireless, CCNP Enterprise, CCNP Security, CWNA/CWSP, PCNSE, or equivalent are highly desirable.
• Technical Skills:
• In-depth knowledge of wireless networking standards (802.11a/b/g/n/ac/ax), WLAN design, and RF optimization.
• Expertise in Layer 2/3 switching technologies, including VLANs, STP, LACP, HSRP/VRRP, and VSS/VPC.
• Proficiency in configuring and managing firewalls (e.g., Cisco ASA/Firepower, Palo Alto, Fortinet, Check Point) and security features like IPS/IDS, NAT, and VPN.
• Experience with network monitoring and analysis tools (e.g., Cisco Prime, DNA Center, Wireshark, SolarWinds).
• Knowledge of scripting and automation (Python, Ansible) is a plus.
• Problem-Solving Skills: Excellent analytical and troubleshooting skills with the ability to resolve complex network issues.
• Communication Skills: Strong verbal and written communication skills, with the ability to interact with technical and non-technical stakeholders.
• Organizational Skills: Ability to manage multiple tasks, prioritize work, and meet deadlines in a fast-paced environment.

Preferred Qualifications:

• Experience with cloud networking (AWS, Azure, GCP) and hybrid environments.
• Knowledge of network access control (NAC) solutions such as Cisco ISE or Aruba ClearPass.
• Familiarity with SD-WAN technologies and implementations.

Working Conditions:

• Office environment with potential for remote work.
• May require occasional travel to client sites, data centers, or for training purposes.
• On-call availability and occasional after-hours work for network maintenance or emergencies.