Network L3 Wireless – SME

Simplex Services Pvt Ltd.; Pune District, Bengaluru; Hybrid; INR 1,200,000 - 1,800,000; Full time

Job summary

Simplex Services Pvt Ltd. in India is seeking an experienced Network Wireless SME (L3) to design, implement, manage, and optimize enterprise wireless networks.

You will serve as the highest escalation point for wireless issues and drive RCAs for permanent fixes, collaborating with cross-functional teams to ensure secure, highly available services. Responsibilities include arch design for Cisco/Mist/Aruba, defining standards, L3 support, security integration (ISE/NAC, 802.1x, WPA3, Zero-Trust),

Qualifications

• Deep knowledge of enterprise WLAN technologies (Cisco Catalyst/9800, Meraki, Aruba, Mist)
• Expertise in 802.11 protocols, RF fundamentals, wireless security, and QoS
• Strong hands-on experience with Wireless LAN Controllers (WLCs), Access Points, and tools
• Experience with ISE / ClearPass / RADIUS / TACACS+ for secure authentication and policy enforcement
• Familiarity with SD-WAN, SD-LAN, and integration with wireless networks
• Proficiency with Ekahau, AirMagnet, Wireshark, and monitoring dashboards

Responsibilities

• Lead the architecture, design, and deployment of enterprise wireless networks (Cisco/Mist/Aruba or equivalent).
• Define wireless standards, policies, and configuration templates for scalability and security.
• Provide L3 support for complex wireless issues including performance, coverage, and interference challenges.
• Perform RCA for recurring incidents and implement permanent solutions.
• Collaborate with NOC/L2 teams to drive proactive monitoring and reduce MTTR.
• Integrate wireless security solutions such as ISE / NAC, 802.1x, WPA3, and Zero‑Trust frameworks.
• Conduct wireless surveys, capacity planning, and spectrum analysis to improve user experience.
• Optimize roaming, channel planning, and power settings for high‑density environments.
• Maintain documentation of network diagrams, configurations, and SOPs.
• Mentor and guide junior engineers and operations teams.

Job description

We are seeking an experienced Network Wireless SME (L3) to design, implement, manage, and optimize enterprise wireless network infrastructure. The candidate will serve as the highest point of escalation for wireless-related issues, drive RCA and permanent fixes, and collaborate with cross‑functional teams to ensure seamless, secure, and highly available wireless services.

Key Responsibilities

• Lead the architecture, design, and deployment of enterprise wireless networks (Cisco/Mist/Aruba or equivalent).
• Define wireless standards, policies, and configuration templates for scalability and security.

Operations & Troubleshooting:

• Provide L3 support for complex wireless issues including performance, coverage, and interference challenges.
• Perform detailed root cause analysis (RCA) for recurring incidents and implement permanent solutions.
• Collaborate with NOC/L2 teams to drive proactive monitoring and reduce MTTR.

Security & Compliance:

• Integrate wireless security solutions such as ISE / NAC, 802.1x, WPA3, and Zero‑Trust frameworks.
• Ensure compliance with corporate security standards and industry best practices.

Performance Optimization:

• Conduct wireless surveys, capacity planning, and spectrum analysis to improve user experience.
• Optimize roaming, channel planning, and power settings for high‑density environments.

Documentation & Knowledge Sharing:

• Maintain accurate documentation of network diagrams, configurations, and SOPs.
• Mentor and guide junior engineers and operations teams.

Required Skills & Experience

Technical Expertise:

• Deep knowledge of enterprise WLAN technologies (Cisco Catalyst/9800, Meraki, Aruba, Mist).
• Expertise in 802.11 protocols, RF fundamentals, wireless security, and QoS.
• Strong hands‑on experience with Wireless LAN Controllers (WLCs), Access Points, and associated tools.
• Experience with ISE / ClearPass / RADIUS / TACACS+ for secure authentication and policy enforcement.
• Familiarity with SD‑WAN, SD‑LAN, and integration with wireless networks.

Tools & Monitoring:

• Proficiency with tools such as Ekahau, AirMagnet, Wireshark, and vendor‑specific monitoring dashboards.

Problem Solving:

• Strong analytical and troubleshooting skills for L3 escalations and incident management.

Certifications (Preferred):

• CCNP Wireless, CWNA, CWSP, or equivalent vendor certifications.
• ITIL knowledge for change, incident, and problem management processes.

Soft Skills

• Excellent communication and documentation skills.
• Ability to collaborate with cross‑functional teams and stakeholders.
• Strong ownership mindset with a focus on continuous improvement.

Simplex-Services, headquartered in Brighton, formed in 2014, specialises in information technology consulting and the implementation of IT services across all industries.

Our agile, dynamic teams of IT and business strategy enablers allow us to cut across the limitations of large‑scale organisations by delivering services and solutions with speed, precision and flexibility. With over 100 years of corporate experience amongst our founding members, we offer our clients immediate advice and tailored solutions to your strategy.

With a fresh approach to IT and practical awareness that any solution needs to be end user‑centric and aligned to a strategy, Simplex Services have the capabilities to resolve small‑and‑large‑scale projects, whether in‑house or through smart source frameworks.

35 Sussex Innovation Centre, Science Park Square, Falmer, Brighton BN1 9SB