Network and Systems Engineer

Job description
Network and Systems Expert

We are seeking a highly skilled Network and Systems Expert to support our network and systems infrastructure. This role requires a professional with a proven track record in managing complex environments, who can confidently handle advanced monitoring, incident response, server and network device management, and execution of service requests.

This position involves handling a broad range of tasks across network operations, server administration, cloud services, and user management, ensuring system health, security compliance, and timely issue resolution. The successful candidate will be able to work independently and as part of a team, with strong communication and documentation skills.

Responsibilities:
• Monitoring & Incident Response
• Monitor network, servers, and cloud infrastructure via Zabbix and other tools.
• Perform initial triage of network incidents and escalate to the Network Support team through approved channels (email, Slack, ITSM).
• Provide L1–L3 support for server, Nutanix, AWS, storage, and related systems.
• Escalation support for HQIT resources.
• Server & Network Administration
• Commission/decommission servers, appliances, network devices as per leadership guidance.
• Manage server configurations (CPU, RAM, Disk, GPO updates) and perform OVA installations.
• Resolve RDP and various remote connectivity protocol issues, conduct server log analysis, and perform root cause analysis (RCA).
• Troubleshooting and IAS log analysis for RADIUS and NPS issues.
• NPS Policy administration and auditing.
• Monthly patching and upgrades for Nutanix, AWS, and server environments.
• Address and resolve issues from penetration tests related to server infrastructure.
• User & Security Management
• Manage Domain Users, Service Accounts, and Security Groups.
• Handle user access requests and troubleshoot access issues.
• Infrastructure Management
• Manage ~128 server instances, 16 Nutanix services, and monitor 60 network devices.
• Monthly patching for key services (Radius, PowerBI, Alteryx, UIPath, SMTP, OKTA, Domain Controllers, etc.).
• Administer Active Directory, DNS, DHCP (Infoblox planned), SMTP, and Revit Licensing Servers.
• Manage ESXi and Nutanix clusters (hardware/software).
• Wi-Fi Device Administration
• Perform configuration and patches to Ruckus, Juniper Mist, and Cisco Wi-Fi devices following change management process.
• Documentation & Reporting
• Maintain system documentation and process guides.
• Monitor and manage ticket queues; update and resolve tickets per SLA.
• Provide quarterly effort utilization reports and participate in scope reviews.

Requirements:
• 5+ years of experience in Systems and Network Engineering.
• Proficiency with monitoring tools (Zabbix), Nutanix, AWS, Active Directory, and network device management.
• Experience with Ruckus, Juniper Mist, and Cisco Wi-Fi device configuration and patching.
• Strong Cisco and Juniper networking and network security experience is essential.
• Very strong Extreme Wireless experience is highly desirable.
• Palo Alto firewall experience is a very nice to have.
• Familiarity with ITSM tools, Slack, and standard escalation protocols.
• Strong troubleshooting skills, attention to detail, and ability to work independently.
• Willingness to work in a flexible, 24/7 support environment.
• Excellent documentation, communication, and coordination skills.

Preferred Qualifications:
• Nutanix and AWS certifications.
• Experience in a managed services or NOC environment.
• Exposure to security compliance and penetration test remediation.