Senior Network Engineer – Cisco Meraki & ISE

Unisys; São Paulo; On-site; BRL 180,000 - 300,000; Full time

Job summary

Unisys seeks a Meraki-focused Network Engineer to design, implement, and manage enterprise networks across Cisco Meraki and Cisco ISE platforms. You will lead 24x7 environment projects, ensure security and high availability, and partner with global teams and vendors on assessments and delivery.

The role emphasizes hands-on routing, switching, wireless, and API-driven automation, with strong emphasis on NAC, segmentation, and policy enforcement. Equal opportunity employer.

Qualifications

• 4–6 years of hands-on Cisco Meraki and ISE in enterprise environments.
• Strong grasp of NAC, segmentation, and policy enforcement.
• Experience in 24x7 mission-critical environments and client-facing projects.

Responsibilities

• Design, implement, and manage enterprise Meraki networks (MX, MS, MR).
• Configure Meraki Dashboard at scale with templates and APIs.
• Design SD-WAN topologies with Meraki MX and Auto VPN.
• Deploy and manage Cisco ISE for 802.1X, MAB, and guest access.
• Build NAC authorization policies and integrate RADIUS/TACACS+.
• Collaborate with global teams and vendors on complex issues.

Skills

Meraki & ISE expertise

Network design

Cloud-managed infrastructure

SD-WAN & Auto VPN

Tools

Cisco Meraki Dashboard

Cisco ISE

RADIUS/TACACS+

Job description

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:

• 5-6 years of hands-on experience with Cisco Meraki (MX, MS, MR) in enterprise environments.
• 2-4 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 [e-mail] or alternatively Toll Free: 888-560-1782 (Prompt 4). US job seekers can find more information about Unisys' EEO commitment here.

Unisys is a global technology solutions company that powers breakthroughs for the world's leading organizations. Our solutions - cloud, AI, digital workplace, logistics and enterprise computing - help our clients challenge the status quo and unlock their full potential. To learn how we have been helping clients push what's possible for more than 150 years, visit unisys.com and follow us on LinkedIn. https://www.unisys.com/unisys-legal/recruiting

Notice for U.S. Applicants: Unisys is an Equal Opportunity Employer - Minorities/ Females/ Veterans/ Individuals with Disabilities/ Sexual Orientation/ Gender Identity