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ALTASNET

Senior Network Analyst – Information Technology, Cisco

ALTASNET

. Maintain the LAN, WAN, Data Center, and Wi-Fi network infrastructure, ensuring agreed service levels are met .

Posted 11/11/2026full-timeBelo Horizonte • BrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates advanced proficiency in managing and optimizing network infrastructure, including BGP, OSPF, and Cisco platforms. Capable of diagnosing complex network incidents and implementing high-availability architectures in mission-critical environments.

Highest-signal resume keywords
Advanced Proficiency With Cisco CatalystAdvanced Proficiency With Cisco NexusIn-Depth Knowledge Of BGPExperience With SD-WANActive CCNP Enterprise Certification

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Network Infrastructure ManagementRouting And SwitchingPacket Capture And AnalysisOperational AutomationVLAN ConfigurationVRF ManagementACL ImplementationPerformance Bottleneck IdentificationTopology DocumentationComplex Incident Diagnosis
Tools & Technologies
WiresharkTcpdumpCisco DNA CenterZabbixThousandEyesPRTGCisco ISECisco Access PointsWLCsAnsible
Certifications & Qualifications
CCNP EnterpriseCCIE
Industry Keywords
LANWANData CenterITIL PracticesMPLSIPsec VPNsHigh-Availability ArchitecturesService ProvidersEnterprise EnvironmentsOperational Changes

Tech Stack

Tools & technologies
AnsibleFirewallsPythonTerraform

About the role

Key responsibilities & impact
  • Maintain the LAN, WAN, Data Center, and Wi-Fi network infrastructure, ensuring agreed service levels are met
  • Develop, validate, and implement network projects, migrations, hardware/software upgrades, and operational changes (GMUD)
  • Act as an advanced (N3) support level for diagnosing and mitigating complex routing, switching, and connectivity incidents
  • Configure and optimize BGP and OSPF in environments with advanced redundancy and multiple carriers
  • Implement and manage VLANs, VRFs, ACLs, and integration with firewalls/ISE
  • Identify performance bottlenecks, propose high-availability architectures, and implement operational automation
  • Maintain topology documentation, architecture diagrams, asset inventories, and standard operating procedures
  • Serve as the technical reference for highly complex incidents in mission-critical environments

Requirements

What you’ll need
  • Currently pursuing or completed a bachelor’s degree in Computer Science, Systems Analysis and Development, or a related field
  • Solid previous experience as a Senior Network Analyst in large enterprise environments or with service providers/Data Centers
  • Advanced proficiency with Cisco Catalyst (L2/L3) and Cisco Nexus platforms (NX-OS, vPC, VDC, VXLAN)
  • In-depth knowledge of BGP, OSPF, Spanning Tree (MSTP/RSTP), VRRP/HSRP, and QoS
  • Experience with dedicated links, SD-WAN, IPsec VPNs, and MPLS
  • Experience managing Cisco Access Points and WLCs at scale
  • Advanced skills in packet capture and analysis using Wireshark and tcpdump
  • Active CCNP Enterprise certification or CCIE (preferred)
  • Practical knowledge of Python, Ansible, Terraform, or REST APIs (preferred)
  • Experience with Zabbix, Cisco DNA Center/Catalyst Center, ThousandEyes, or PRTG (preferred)
  • Experience with Cisco ISE and enterprise firewalls (preferred)
  • Familiarity with ITIL practices (preferred)

Benefits

Comp & perks
  • Performance-based bonus
  • Unimed Unipart Flex health insurance
  • Bradesco dental insurance
  • Flash card – BRL 55.00 per day
  • Day off
  • English course – reimbursement program
  • Well-being benefits – Wellhub, Clude, and C4life
  • Hybrid work arrangement