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CallTek

Senior Network Engineer (CCIE Switching with Wi-Fi Experience)

CallTek
Argentina · Full-time · Mid-Senior

We are seeking a highly skilled Senior Network Engineer with CCIE certification in Switching and extensive Wi-Fi experience. This role will focus on troubleshooting converged networks and resolving complex issues that have been escalated from other engineering teams. The ideal candidate will possess advanced diagnostic skills, including expertise in reading and interpreting packet captures using tools like Wireshark, and have a strong background in switching, routing, and wireless technologies.

Key Responsibilities{​{:}

}- Advanced Network Troubleshooting{​{:}} Act as the lead troubleshooter for escalated network issues, leveraging deep expertise in converged networks including switching, routing, and Wi-Fi. Diagnose and resolve complex problems to ensure high network performance and reliabilit

y.- Packet Capture Analysis{​{:}} Utilize advanced diagnostic tools such as Wireshark to read, interpret, and analyze packet captures. Identify root causes of network issues, including packet loss, latency, misconfigurations, and security breach

es.- Escalation Management{​{:}} Take ownership of problems escalated from other engineering teams, providing expert analysis and resolution. Collaborate with cross-functional teams to address critical network incidents and prevent future occurren

ces.- Wi-Fi Network Optimization{​{:}} Troubleshoot and optimize enterprise-level Wi-Fi networks, addressing issues related to connectivity, interference, performance, and security. Implement best practices for Wi-Fi deployment and management to enhance user experi

ence.- Converged Network Support{​{:}} Provide expert-level support for converged networks, including LAN, WAN, and wireless environments. Troubleshoot VoIP, video, and data traffic issues to maintain seamless communication across the ne

twork.- Network Performance Monitoring{​{:}} Continuously monitor network performance using diagnostic tools and network management systems. Proactively identify potential issues and implement corrective actions to prevent service interru

ptions.- Documentation and Reporting{​{:}} Maintain detailed records of troubleshooting activities, including network configurations, diagnostic results, and resolution steps. Generate reports and recommendations based on findings to support network impro

vements.- Mentorship and Technical Leadership{​{:}} Guide and mentor junior engineers, sharing expertise in advanced troubleshooting techniques and best practices. Promote knowledge sharing within the team to enhance overall technical capa

bilities.Req

uirements- Certifications{​{:}} CCIE in Switching and Routing is required. Additional certifications in Wi-Fi technologies are highly

desirable.- Experience{​{:}} Minimum of 7-10 years of experience in network engineering with a strong focus on switching, routing, and Wi-Fi in complex, multi-vendor en

vironments.- Technical

Skills{​{:}} - Expert knowledge of Cisco switching and routing technologies (Catalyst, N

exus, etc.). - Proficiency in troubleshooting and optimizing Wi-Fi networks (Cisco, Aru

ba, Ruckus). - Advanced skills in packet capture analysis using tools such as Wireshark, with the ability to interpret and resolve issues related to packet flows, latency, a

nd security. - Deep understanding of network protocols including BGP, OSPF, EIGRP, STP, VLAN, and wireless standards (802.11a/b

/g/n/ac/ax). - Strong familiarity with network security protocols and tools, including RADIUS, 802.1x, and encryptio

n standards.- Problem-Solving Abilities{​{:}} Demonstrated ability to diagnose and resolve complex network issues efficiently, with a focus on advanced diagnostics and packet-le

vel analysis.- Communication Skills{​{:}} Excellent verbal and written communication skills, capable of conveying technical concepts to both technical and non-techni

cal audiences.- Team Collaboration{​{:}} Proven ability to work effectively in a team environment, providing support and guidance to peers and junio

r team members.

Key Skills

Ranked by relevance

wireshark wireless ccie network security eigrp ospf vlan voip wan lan bgp stp
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Posted
Apr 01, 2025
Type
Full-time
Level
Mid-Senior
Location
Argentina
Company
CallTek

Industries

Technology Information Internet

Categories

Information Technology

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