Mumbai, Maharashtra, India
Information Technology
Nipun Net Solutions
Overview
Required Skills : Routing ,Switching, wireless,firewalls
Experience : 5+ years of experience in network engineering, with a strong focus on wireless, switching, and firewalls, and at least 2-3 years in L3 role
Qualification : Bachelor’s degree in computer science/Btech or equivalent degree
No.of positions : 3
Email kedar.v@nipun.net
Job Description
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:
- 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).
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
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