The Senior Wireless Engineer will lead the design, deployment, and support of secure and scalable enterprise wireless networks, focusing on Cisco Wireless LAN Controllers (WLCs), Cisco DNA Center, and ISE integration. This role requires deep technical knowledge in Wi-Fi technologies, RF engineering, and wireless security, with an emphasis on Wi-Fi 6/6E standards and Cisco Catalyst 9800 infrastructure.
Key Responsibilities:
- Design, implement, and optimize enterprise Wi-Fi networks using Cisco Catalyst 9800 WLCs, DNA Center, and Cisco ISE.
- Perform RF planning and site surveys using tools like Ekahau or AirMagnet to ensure optimal coverage and performance.
- Troubleshoot and resolve complex wireless issues related to coverage, interference, roaming, and authentication.
- Configure and fine-tune Wi-Fi 6/6E networks, including knowledge of 802.11ax and related standards.
- Optimize wireless roaming and client experience using 802.11r/k/v, and ensure support for voice/video QoS over Wi-Fi.
- Apply security standards and policies, including 802.1X, WPA3, and ISE integration for secure authentication.
- Perform spectrum analysis and RF tuning to diagnose and resolve interference or channel planning issues.
- Utilize Cisco Wireless Assurance and analytics tools for monitoring, alerting, and performance improvements.
- Collaborate with cross-functional teams in network, security, and mobility to ensure seamless wireless integration.
- Develop and maintain detailed wireless documentation, including designs, configurations, and testing reports.
- (Preferred) Implement automation and wireless scripting via Python or APIs to streamline deployment and configuration.
Required Skills and Qualifications:
- Active Cisco Certified Internetwork Expert – Wireless (CCIE Wireless).
- Strong hands-on experience with Cisco Catalyst 9800 WLCs and Cisco DNA Center.
- Proficient in Wi-Fi 6/6E (802.11ax) technologies, protocols, and security models.
- Expertise in RF design, coverage planning, and spectrum analysis.
- Deep understanding of 802.1X, WPA3, and ISE-based wireless security policies.
- Experience with wireless roaming optimization protocols (802.11r, k, v).
- Working knowledge of QoS for wireless voice/video applications.
- Proficiency in wireless troubleshooting and performance tuning.
Preferred Skills:
- Experience with wireless automation (Python/API scripting).
- Familiarity with Cisco wireless assurance tools and telemetry analysis.
- Exposure to multivendor wireless environments (e.g., Aruba, Meraki as complementary tech).
- Experience in high-density deployments (e.g., campuses, stadiums, large enterprises).
Behavioral Competencies:
- Strong problem-solving and analytical thinking under pressure.
- Excellent communication and stakeholder engagement skills.
- Detail-oriented with a commitment to documentation and best practices.
- Ability to lead and mentor junior engineers and drive wireless design standards.
