We are looking for an experienced Network Engineer – Enterprise Wireless to support and enhance large-scale wireless environments across facilities in Chicago, Illinois. This Long-term Contract position centers on building secure, dependable, and high-performing connectivity for office, warehouse, distribution, and production settings. The role requires deep hands-on expertise with Cisco wireless platforms, strong problem-solving skills, and the ability to partner effectively with internal teams and external vendors.<br><br>Responsibilities:<br>• Own the stability, performance, and day-to-day service quality of enterprise wireless networks across multiple business locations.<br>• Architect, implement, and refine wireless solutions using Cisco Catalyst wireless controllers and access points, Meraki platforms, and Cisco management and assurance tools.<br>• Perform wireless assessments and interpret survey data with tools such as Ekahau or AirMagnet to guide coverage design, channel strategy, capacity planning, and deployment validation.<br>• Investigate RF-related issues, including interference, weak signal conditions, roaming disruptions, and client performance problems, then apply corrective improvements.<br>• Create and maintain wireless design artifacts such as heatmaps, predictive models, technical standards, and configuration documentation for both new and existing sites.<br>• Lead wireless rollout and refresh efforts, including equipment lifecycle upgrades, firmware consistency, and infrastructure standardization.<br>• Track network health through monitoring and assurance platforms, identify trends, and tune the environment to improve reliability and user experience.<br>• Resolve advanced connectivity incidents involving authentication, latency, packet loss, and mobility behavior while acting as a senior escalation point for complex wireless issues.<br>• Establish and uphold wireless security and design standards, including WPA2/WPA3, 802.1X, segmentation, and quality-of-service policies for critical applications.<br>• Contribute to automation and operational efficiency initiatives by using APIs, Python, and Ansible to streamline wireless administration and support processes.

• Proven experience engineering and supporting enterprise wireless networks in large, multi-site environments.<br>• Strong hands-on knowledge of Cisco wireless technologies, including Catalyst 9800 series, Meraki, and Cisco network management platforms.<br>• Background in wireless site surveys, RF analysis, and capacity planning using assessment tools such as Ekahau or AirMagnet.<br>• Demonstrated ability to troubleshoot complex wireless performance and connectivity problems in operational business environments.<br>• Solid understanding of wireless security concepts, including WPA2/WPA3, 802.1X authentication, network segmentation, and related best practices.<br>• Experience working with monitoring, documentation, and service-focused operational processes within IT environments.<br>• Familiarity with automation methods and scripting tools such as Python or Ansible for network operations improvement.<br>• Strong communication skills with the ability to collaborate effectively across infrastructure teams, vendors, and end-user support groups.

<h3 class="rh-display-3--rich-text">Technology Doesn't Change the World, People Do.^®</h3> <p>Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.</p> <p>Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. <a href="https://www.roberthalf.com/us/en/mobile-app" target="_blank">Download the Robert Half app</a> and get 1-tap apply, notifications of AI-matched jobs, and much more.</p> <p>Our specialized recruiting professionals apply their expertise and utilize our proprietary AI to find you great job matches faster.</p> <p>All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit <a href="https://roberthalf.gobenefits.net/" target="_blank">roberthalf.gobenefits.net</a> for more information.</p> <p>© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s <a href="https://www.roberthalf.com/us/en/terms">Terms of Use</a> and <a href="https://www.roberthalf.com/us/en/privacy">Privacy Notice</a>.</p>