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Senior Network Engineer

Hybrid in Argentina, Mexico
Networks & Telecommunication
& 5 others
Argentina

We are seeking an experienced Senior Network Engineer to join our team.

In this role, you will design, implement, and maintain advanced network infrastructure with a strong focus on security, connectivity, and cloud technologies. You will provide tier 3 global support, troubleshoot complex issues, and ensure the reliability and performance of the organization's network systems.

Responsibilities
  • Design, develop, and deploy LAN/WAN network infrastructure to meet organizational needs
  • Provide tier 3 troubleshooting and support for all LAN/WAN-related issues and alerts
  • Maintain monitoring and reporting systems to ensure optimal network performance
  • Create and manage technical documentation for all deployed systems and configurations
  • Perform on-call duties to support network operations during non-business hours
  • Manage administrative tasks related to time tracking and status reporting
  • Configure and install network devices and services, including routers, switches, firewalls, load balancers, VPNs, and QoS configurations
  • Perform regular network maintenance and system upgrades, including patches, service packs, and security configurations
  • Monitor system resource utilization, ensure availability, and plan for capacity needs
  • Work within established configuration and change management policies to ensure successful network updates
  • Implement security tools, policies, and procedures in collaboration with the cybersecurity team
  • Troubleshoot routing loops, asymmetric routing issues, and STP loop problems
  • Conduct technical training sessions for internal teams to enhance operational knowledge
  • Collaborate with vendors and IT personnel to resolve complex network challenges
Requirements
  • At least 3 years of experience as a Network Engineer with hands-on expertise in network troubleshooting and design
  • Advanced knowledge of network technologies, including SDWAN (Silver Peak preferred), next-generation firewalls (Cisco Firepower preferred), and wireless networks (Cisco WLC preferred)
  • Experience configuring and troubleshooting routing protocols, including EIGRP, OSPF, and BGP
  • Proficiency in LAN switching technologies such as VLAN, VTP, STP, and EtherChannel
  • Expertise in configuring and troubleshooting TCP/IP protocol suite and application protocols like HTTP, HTTPS, FTP, SMTP, SNMP, and SSL
  • Knowledge of network security protocols, including IPSec/SSL VPN, AAA architecture, TACACS+, RADIUS, and 802.1x
  • Experience with Cisco Catalyst and Nexus switches, including Nexus 9K/7K series and ACI environments
  • Familiarity with firewall cloud services like Zscaler and configuring Cisco ASA and IPS systems
  • Ability to analyze network tools and outputs, such as identifying high CPU utilization on core devices at data centers
  • Fluent English communication skills, both written and spoken, at a B2 level or higher
Nice to have
  • CCNP certification to demonstrate advanced networking expertise
  • Experience with AWS, GCP, or Azure cloud services
  • Familiarity with Citrix NetScaler load balancers, Cisco FTD firewalls, Aruba SD-WAN, and Azure cloud solutions
We offer/Benefits
  • International projects with top brands
  • Work with global teams of highly skilled, diverse peers
  • Healthcare benefits
  • Employee financial programs
  • Paid time off and sick leave
  • Upskilling, reskilling and certification courses
  • Unlimited access to the LinkedIn Learning library and 22,000+ courses
  • Global career opportunities
  • Volunteer and community involvement opportunities
  • EPAM Employee Groups
  • Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn