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Senior Network Engineer – Cisco Meraki & ISE

Unisys


Job Location:

São Paulo - Brazil

Monthly Salary: Not provided by the employer
Posted: 19 July 2026 (30+ days ago)
Application Deadline: 16 October 2026
Vacancies: 1 Vacancy

Job Summary

What success looks like in this role:

We are looking for a Meraki focused Network Engineer with deep hands-on expertise in routing switching and wireless across Cisco Meraki and Cisco ISE platforms. The role centers on designing implementing and managing enterprise network environments ensuring high availability security and scalability across cloud-managed infrastructures.

The ideal candidate brings 4-6 years of proven experience with Cisco Meraki (MX MS MR) and Cisco ISE with a solid command of network access control segmentation and policy enforcement. They will serve as a trusted technical resource for clients internal teams and global vendors leading projects from assessment through delivery in mission-critical 24x7 environments.

Key Responsibilities:

Meraki Network Design & Deployment

  • Architect implement and optimize enterprise network solutions across Cisco Meraki MX (security/SD-WAN) MS (switching) and MR (wireless) product lines.

  • Configure and manage Meraki Dashboard at scale including templates tagging alert policies and API-driven automation.

  • Design SD-WAN topologies using Meraki MX with Auto VPN.

Cisco ISE & Network Access Control

  • Deploy and manage Cisco ISE for 802.1X authentication MAB guest access portals and BYOD onboarding workflows.

  • Build and maintain ISE authorization policies profiling posture assessment and RADIUS/TACACS integration.

  • Integrate Meraki with ISE for seamless NAC enforcement across wired wireless and VPN access scenarios.

Wireless Infrastructure

  • Plan and deploy Meraki MR wireless networks including RF planning AP placement SSID design and roaming optimization.

  • Troubleshoot wireless issues including RF interference coverage gaps client roaming failures and authentication problems.

  • Implement wireless security frameworks: WPA3 802.1X/EAP rogue AP detection and WIDS/WIPS using Meraki and ISE.

Troubleshooting & Optimization

  • Diagnose and resolve complex network issues across all OSI layers from physical connectivity to application-layer performance.

  • Leverage Meraki Dashboard analytics packet capture and event logs for root cause analysis and proactive monitoring.

  • Collaborate with manufacturers and vendors for escalations and resolution of platform-level issues.

Client Interaction & Project Execution

  • Lead client-facing engagements: network assessments design reviews project presentations and post-deployment reporting.

  • Drive network projects in collaboration with global teams and vendors ensuring delivery in mission-critical environments.

  • Provide both remote and on-site support maintaining high performance and availability across all supported infrastructures.

You will be successful in this role if you have:

You Will Be Successful in This Role if You Have:

  • 56 years of hands-on experience with Cisco Meraki (MX MS MR) in enterprise environments.

  • 24 years of experience with Cisco ISE policy configuration RADIUS/TACACS and 802.1X/NAC deployments.

  • Understanding of routing protocols (BGP OSPF EIGRP) and switching fundamentals (VLANs STP port-channels).

  • Experience designing and supporting SD-WAN solutions using Meraki MX with Auto VPN and traffic shaping.

  • Familiarity with ITIL service management frameworks and working within NOC or managed service environments.

  • Ability to work in 24x7 critical environments including on-call availability outside regular business hours.

  • Strong communication skills able to present technical findings to both technical and non-technical audiences.

Preferred Certifications:

  • Cisco Meraki Solutions Specialist (CMSS)

  • CCNP Enterprise

  • CWNA

  • CCNA

Technical Competencies:

Meraki Platform

  • Deep expertise in Meraki Dashboard template management API integration firmware strategy and multi-org management.

  • Meraki MX: SD-WAN site-to-site Auto VPN content filtering and IDS/IPS.

  • Meraki MS: Layer 2/3 switching RSTP dynamic ARP inspection DHCP snooping and link aggregation.

  • Meraki MR: SSID design RF profiles band steering 802.11ax (Wi-Fi 6/6E) and Air Marshal WIDS.

Cisco ISE & Identity

  • Authentication: 802.1X (EAP-TLS PEAP EAP-FAST) MAB WebAuth guest portals and BYOD flows.

  • RADIUS and TACACS for device administration and AAA integration with Meraki and traditional Cisco infrastructure.

Other Requirements:

  • On-call availability outside regular business hours and weekends for critical incident response.

  • Strong documentation skills: network diagrams runbooks and change management records.

  • Collaborative mindset comfortable working across global teams vendors and clients in a managed services environment.

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.

This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers. If you are a US job seeker unable to review the job opportunities herein or cannot otherwise complete your expression of interest without additional assistance and would like to discuss a request for reasonable accommodation please contact our Global Recruiting organization at or alternatively Toll Free: (Prompt 4). US job seekers can find more information about Unisys EEO commitment here.


Required Experience:

Senior IC


About Company

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Unisys is a global information technology company that specializes in providing industry-focused solutions integrated with leading-edge security to clients in the government, financial services and commercial markets. Unisys offerings include security solutions, advanced data analytic ... View more

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