Engineer

• Provide Tier 3 support for diverse network environments including Cisco, Fortinet, Palo Alto, ADTRAN, Juniper, Meraki, and HP/Dell switches
• Troubleshoot advanced routing protocols: OSPF, EIGRP, BGP, MPLS, DMVPN
• Support SD-WAN platforms (Cisco Viptela, Ecessa, Vergx) and wireless LAN controllers
• Configure and troubleshoot voice services: SIP, PRI, Hosted PBX, TDM/IP interworking, Fax over IP
• Collaborate with field techs and ISPs to resolve complex issues
• Perform root cause analysis and implement long-term solutions
• Analyze SIP traffic using Wireshark and other diagnostic tools
• Maintain documentation and ensure SLA compliance
• Design and implement network security solutions, including firewalls, VPNs, and intrusion detection/prevention systems
• Develop and execute network migration plans for large-scale infrastructure upgrades
• Conduct performance tuning and capacity planning for enterprise networks
• Mentor and provide technical guidance to Tier 1 and Tier 2 support teams
• Participate in on-call rotation to provide 24/7 support for critical issues
• Contribute to the development of best practices and standard operating procedures
• Evaluate and recommend new technologies to improve network performance and reliability

Managed Services Engineer – Tier 3 – Telecom

• Provide deep-tier support for applications running on both Windows Server (2016–2022) and Linux (RHEL/Ubuntu/CentOS).
• Maintain and tune the "connective tissue" of our apps, including IIS, Apache, and Tomcat.
• Diagnose failures within Java (JRE/JDK) and ASP.NET environments.
• Reverse-engineer the dependencies of legacy applications.
• Understand the application and OS dependencies so that upgrades can be performed (in-place or migration) while keeping applications responsive.
• Use PowerShell and Bash to automate health checks and create "self-healing" scripts for brittle services.
• Provide support for co-workers with day-to-day tasks, including Active Directory, disk space and storage usage, network connectivity and troubleshooting, Windows and Linux vulnerability management, application installs, server builds and decommissioning.

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Managed Services Engineer – Tier 3 – Telecom

System Operation Engineer