Certified Network Administrator (LAN/WAN)
Core
Design, administer, and secure the NYC Department of Design and Construction's local and wide area network infrastructure to ensure high availability and resilience.
Role type
Senior Network Administrator (LAN/WAN)
Builds
Network infrastructure including routers, switches, firewalls, SAN/NAS, and wireless access points
Domain
Government IT / Network Infrastructure
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Network design and configuration, Active Directory, TCP/IP, DNS, DHCP, VLANs, firewall management, IDS/IPS configuration, vulnerability assessment, PowerShell scripting, incident response, compliance management
Preferred skills
Professional vendor certification in LAN/WAN administration, cloud-based solution implementation, automation of administrative tasks
Technologies
Active Directory, TCP/IP, DNS, DHCP, VLANs, PowerShell, IDS/IPS, VPN, SSO, MFA
Responsibilities
Design, install, configure, and maintain network infrastructure; monitor network performance and implement improvements; troubleshoot and resolve network issues; implement and enforce network security policies; conduct regular vulnerability assessments; support SSO and MFA; monitor security logs and lead incident response; manage and automate administrative tasks; coordinate network changes and upgrades; lead technical projects including office setups and hardware refreshes; maintain comprehensive documentation; ensure compliance with agency IT policies; provide technical support and guidance to staff
Seniority
Mid-to-Senior level, hands-on IC with 2+ years of experience