Senior Wireless Network Engineer (CWNA / CCNP Wireless)
Unisys · Mexico
What success looks like in this role:
We are looking for a Wireless Subject Matter Expert with deep expertise in WLAN design, RF engineering, and enterprise wireless infrastructure, complemented by solid LAN/WAN knowledge and specialized Cisco skills. The role centers on designing, implementing, and managing modern, scalable wireless network environments while supporting high-availability systems across security and cloud-based architectures.
The ideal candidate holds a CWNA (Certified Wireless Network Administrator) and/or CCNP Enterprise Wireless certification and brings hands-on experience deploying and optimizing enterprise Wi-Fi solutions in critical 24x7 environments. They will serve as the go-to wireless authority for clients, internal teams, and global vendors — leading projects from assessment through delivery.
Key Responsibilities:
Wireless Design & Deployment: Architect, implement, and optimize enterprise WLAN solutions including site surveys (passive/active/predictive), RF planning, AP placement, and controller configuration across Cisco and Cisco Meraki platforms.
Network Design & Support: Design and support broader network infrastructures (LAN, WAN, SD-WAN) with wireless as the primary domain. Provide both remote and on-site support ensuring high performance and security.
Troubleshooting & Optimization: Diagnose and resolve complex wireless issues including RF interference, roaming problems, coverage gaps, and client connectivity across all OSI layers. Collaborate with manufacturers for escalations.
Client Interaction: Lead client-facing engagements, delivering wireless assessments, RF reports, heatmaps, and project presentations. Act as the primary technical point of contact for wireless initiatives.
Project Execution: Drive wireless network and security projects in collaboration with global teams and vendors, ensuring successful delivery in mission-critical environments.
You will be successful in this role if you have:
You Will Be Successful in This Role if You Have:
4–6 years of experience in enterprise wireless networking, including design, deployment, and support.
Certifications (Required):
CWNA (Certified Wireless Network Administrator) — vendor-neutral wireless expertise
and/or CCNP/CCIE – Wireless.
Wireless & Networking Expertise:
Deep knowledge of 802.11 standards (Wi-Fi 5/Wi-Fi 6/6E), RF fundamentals, spectrum analysis, and wireless security protocols (WPA3, 802.1X/EAP, RADIUS).
Hands-on experience with Cisco WLC and Cisco Meraki wireless management.
Experience with wireless security frameworks including rogue detection, WIPS/WIDS, and guest network segmentation.
Technical Competencies:
Proficient in cloud and network management platforms: SolarWinds, ServiceNow, Infoblox, and similar tools.
Strong grasp of network monitoring, performance baselining, and wireless optimization techniques.
Familiarity with ITIL service management frameworks.
Other Requirements:
Ability to work in 24x7 critical environments, including on-call availability outside regular business hours and weekends.
Strong presentation and reporting skills, ability to communicate RF data, heatmaps, and wireless assessments to both technical and non-technical stakeholders.
Bachelor's degree in a technology-related field (Telecommunications, Computer Science, or equivalent).
Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.
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