Senior Wireless Network Engineer (Juniper / Cisco) – L3

📍 Location: Atlanta, GA (Hybrid – Initial 5 Days Onsite)
📅 Contract: 12+ Month Contract
🏥 Industry: Large Enterprise Healthcare System
🚀 Start: ASAP

Overview

A large enterprise healthcare system in Atlanta is seeking a Senior L3 Wireless Network Engineer to support and stabilize a highly complex, mission-critical wireless environment.

This is not a maintenance role. This engagement requires a hands-on, remediation-focused engineer who can quickly assess, diagnose, and optimize wireless performance across a massive enterprise footprint including hospitals, clinical facilities, and administrative sites.

Initial phase requires 5 days onsite to fully understand the environment and current challenges. Hybrid flexibility may be available once stability and familiarity are established.

Environment

• Large-scale enterprise wireless deployment (thousands of APs)

• Cisco and Juniper (Mist) wireless infrastructure

• Hospital and clinical environments (high-density, roaming-sensitive)

• Real-time medical device connectivity (VoIP, telemetry, mobile workstations)

• High availability and zero tolerance for downtime

Key Responsibilities

Wireless Engineering & Troubleshooting

• Provide L3 support for Cisco and Juniper wireless environments

• Diagnose and resolve complex roaming issues between access points

• Troubleshoot authentication, RF interference, coverage gaps, and client performance

• Perform root cause analysis for wireless instability or degradation

• Address real-time clinical device connectivity issues

Design & Optimization

• Conduct wireless health assessments and remediation planning

• Optimize AP placement, channel utilization, and power levels

• Improve roaming performance (802.11r/k/v tuning)

• Validate and refine controller configurations

Site Survey & Analysis

• Use Ekahau for active/passive surveys

• Conduct predictive modeling and post-remediation validation

• Analyze heat maps and RF spectrum data

• Identify co-channel interference and RF design flaws

Documentation & Collaboration

• Document findings, remediation plans, and configuration standards

• Collaborate with infrastructure, security, and clinical technology teams

• Provide recommendations for architectural improvements

Required Experience

• 7+ years enterprise wireless engineering experience

• Deep expertise in:

  • Cisco Wireless (9800 WLC / AireOS preferred)

  • Juniper Mist Wireless

• Strong knowledge of wireless fundamentals:

  • RF design principles

  • Channel planning

  • Power optimization

  • 802.11 standards

• Proven experience troubleshooting roaming issues AP-to-AP

• Hands-on experience with Ekahau

• Experience performing enterprise wireless remediation projects

• Strong understanding of authentication (802.1X, RADIUS, NAC integration)

Preferred Experience

• Healthcare or hospital wireless environments

• Experience supporting mobile clinical carts and medical IoT devices

• CCNP Wireless / CWNP certifications

• Mist certifications

• Experience in high-density environments

Soft Skills

• Strong troubleshooting mindset

• Able to operate independently in high-pressure environments

• Clear communicator with both technical and non-technical stakeholders

• Able to quickly assess a large, complex environment

Why This Role?

• Work within a massive enterprise wireless environment

• Highly visible remediation project

• Long-term opportunity within a growing infrastructure team

• Ability to influence wireless standards across the organization