Position Overview

• The Tier 3 IT Support & NOC Agent serves as the highest level of technical escalation within a client environment.
• This role is responsible for resolving complex, high-impact issues while also providing advanced monitoring oversight, incident response leadership, and infrastructure improvement across client environments.
• This position combines deep technical expertise with proactive operational responsibility, ensuring system stability, performance, and reliability. The Tier 3 Engineer plays a key role in root cause analysis, automation, monitoring strategy, and technical leadership while supporting both reactive escalations and proactive service delivery.

Key Responsibilities

Network Monitoring & Performance

• Monitor infrastructure using SolarWinds, PRTG, Nagios, Zabbix, and other proprietary monitoring systems like Cosmos
• Analyze performance trends, bandwidth, latency, packet loss, and KPIs
• Maintain monitoring thresholds, alert policies, and SLA metrics Incident & Problem Management
• Respond to alerts and outages within SLA timeframes
• Perform triage, diagnosis, and manage incident lifecycle
• Conduct root cause analysis and document lessons learned
• Track trends and recommend preventive measures Escalation Management
• Serve as primary escalation point for Tier 1 and Tier 2 support agent teams.
• Escalate complex issues to Tier 4 engineers and specialized teams
• Coordinate vendor support and facilitate bridge calls during major incidents
• Manage communication between technical teams, management, and stakeholders

Network Operations & Maintenance

• Execute firmware updates, patches, and configuration changes
• Configure routers, switches, firewalls, load balancers, wireless controllers
• Implement VLANs, access control policies, and VPN connections
• Perform change management and maintenance window activities

Troubleshooting & Support

• Resolve issues across LAN, WAN, MPLS, SD-WAN, wireless networks
• Troubleshoot routing/switching (BGP, OSPF, EIGRP, STP)
• Analyze traffic using Wireshark, tcpdump, or other
• Address DNS, DHCP, firewall, NAT, and VoIP issues
• Work on SSID requests, conference issues and other special requests Systems & MSP Support
• Solve complex Windows/macOS issues and lead Root Cause Analysis for recurring problems.
• Architect and manage Hybrid Active Directory, Azure/Entra ID, and the full Microsoft 365 suite.
• Help build advanced scripts (PowerShell) and RMM workflows to automate manual tasks and monitoring.
• Oversee EDR security deployments and lead disaster recovery operations.

Security Operations & Compliance

• Monitor security event logs and SIEM alerts for potential threats or breaches
• Implement and maintain network security policies and access control lists (ACLs)
• Respond to security incidents and coordinate with security operations team
• Perform security vulnerability assessments on network devices
• Ensure compliance with organizational security standards and regulatory requirements
• Maintain audit logs and documentation for compliance reporting
• Participate in security incident response procedures
• Field Technician Coordination & Dispatch Work with field technicians and coordinate tech dispatches for:
• PMS (Property Management System) troubleshooting and connectivity issues