New Millenium Consulting · 22 hours ago
NMC_000355 - Network & System Administrator
Rockaway, NJ
Contract
Onsite
Senior Level
5+ years expNew Millenium Consulting is seeking a Network & System Administrator for one of their clients. The role involves configuring and managing network systems, administering Windows Server environments, and overseeing Microsoft 365 E5 services while ensuring compliance with security standards.
Information TechnologyMobile AppsTelecommunicationsWeb Development
Responsibilities
Configure, monitor, and maintain Cisco routers, switches, firewalls, and VPNs
Manage LAN/WAN connectivity, VLANs, QoS, and network segmentation
Implement and maintain network security best practices, including access controls and firewall policies
Troubleshoot network outages, latency, and performance issues
Maintain detailed network documentation, diagrams, and configurations
Administer and support Windows Server environments (2016/2019/2022), including Active Directory, DNS, DHCP, and Group Policy
Oversee virtualization platforms such as Hyper-V or VMware
Manage system patching, updates, and backups for servers and critical systems
Ensure domain and file system security, user/group management, and access provisioning
Administer Microsoft 365 E5 services including Exchange Online, SharePoint, Teams, OneDrive, and Security & Compliance Center
Implement and maintain Intune device management and conditional access policies
Support Azure AD synchronization and identity management
Configure and monitor Microsoft Defender for Endpoint and Defender for Office 365
Maintain firewall, VPN, and endpoint security policies in compliance with organizational standards
Perform regular network and system audits to identify vulnerabilities
Participate in disaster recovery planning, testing, and documentation
Provide Tier 2–3 technical support for networking and system-related issues
Collaborate with helpdesk and application teams to resolve complex IT incidents
Assist in IT project planning and infrastructure upgrades
Qualification
Required
5+ years of experience as a Network Administrator, Systems Administrator, or similar role
Strong knowledge of Cisco networking (CCNA-level or higher) routing, switching, VPN, and security
Strong knowledge of Meraki Cloud management for switching, routing, and wireless
Proficiency in Windows Server administration and Active Directory management
Hands-on experience with Microsoft 365 E5 and Azure AD environments
Solid understanding of TCP/IP, DNS, DHCP, VLANs, and VPN technologies
Strong troubleshooting and analytical skills
Preferred
Cisco CCNP or Microsoft Certified: Azure Administrator / Security certification
Experience with Meraki cloud-managed networks
Familiarity with PowerShell scripting and automation
Knowledge of backup solutions and disaster recovery strategies
Experience supporting hybrid cloud environments
Company
New Millenium Consulting
New Millenium Consulting offers managed staffing, technology infrastructure, application development, and telecommunication services.
11-50 employees
H1B Sponsorship
New Millenium Consulting has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2022 (2)
2021 (1)
Funding
Current Stage
Early StageCompany data provided by crunchbase