Network Administrator responsible for efficient LAN/WAN/VPN operations at Northrop Grumman. Requires Top Secret clearance and experience with Cisco networking equipment.
About the role
- Principal Network Engineer driving network architecture and security solutions at Gartner. Collaborating on large-scale enterprise networks in a diverse, dynamic environment.
Responsibilities
- Architect, design, configure, and support complex enterprise IP network solutions (LAN, WAN, SD-WAN, Data Center, and Cloud)
- Lead the design, implementation, and support of network security systems, including firewalls, VPNs, IDS/IPS, and zero trust architectures
- Deep expertise in routing and switching protocols (BGP, OSPF, EIGRP, VLANs, VXLAN, etc.)
- Evaluate, configure, and support secure remote access solutions (SSL VPN, IPSEC, SASE)
- Configure, troubleshoot, and support DNS, DHCP, and related network services
- Support and troubleshoot unified communications (VoIP, video conferencing, QoS, SIP, WebRTC)
- Design, deploy, and support large-scale wireless LAN solutions (Wi-Fi 6/6E, WPA3, guest access, wireless security, RF planning, and site surveys) for high-density environments such as conferences and events
- Perform wireless site surveys, spectrum analysis, and capacity planning to ensure optimal wireless coverage, performance, and user experience
- Troubleshoot and resolve wireless connectivity and performance issues using advanced wireless analysis tools (Ekahau, Hamina and Cisco DNA Center, etc.)
- Provide advanced technical support for networking at Gartner Events, including rapid deployment and troubleshooting in dynamic environments
- Analyze, design, and implement comprehensive security solutions (next-generation firewalls, intrusion prevention, network segmentation, NAC)
- Proactively identify, isolate, and resolve complex network issues to minimize business impact
- Evaluate, test, and lead the deployment of emerging network technologies (SDN, network automation, AIOps, cloud networking)
- Troubleshoot complex applications and network performance issues using advanced network analysis and monitoring tools
- Collaborate with facilities and AV teams to integrate wireless networks with event infrastructure and ensure seamless attendee connectivity
- Collaborate with cross-functional teams to achieve business and technical objectives, and drive continuous process improvement
- Manage network-related projects, service requests, and maintenance activities using ITSM tools (e.g., ServiceNow, Jira)
- Create and maintain detailed, up-to-date network documentation, diagrams, and runbooks
- Mentor and provide technical guidance to junior engineers and peers.
Requirements
- Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent practical experience
- 10+ years of hands-on experience supporting large-scale enterprise networks
- Expert-level understanding of routing and switching protocols and architectures
- Extensive experience with Cisco networking platforms (IOS XE, NX-OS, Meraki), and multi-vendor environments (Arista, Juniper, etc.)
- Strong experience with network security systems and protocols (Cisco ASA/Firepower, Checkpoint, Palo Alto, SASE)
- Extensive experience designing, deploying, and supporting enterprise wireless LANs, including controller-based architectures (Cisco Catalyst, Meraki, Aruba, etc.), guest networks, and wireless security
- Proficiency in wireless site survey tools, RF planning, and troubleshooting tools (Ekahau, AirMagnet, Cisco Prime, DNA Center)
- Experience supporting high-density wireless environments and events, including capacity planning and performance optimization
- Experience with load balancers (F5, Citrix ADC), WAN accelerators, and content filtering solutions
- Experience with cloud networking (AWS, Azure, GCP) and hybrid connectivity (VPN, Direct Connect, ExpressRoute)
- Proficiency in network automation and scripting (Python, Ansible, Terraform) is highly desirable
- Solid understanding of UNIX/Linux and Microsoft Server operating systems.
Benefits
- Competitive compensation
- Limitless growth and learning opportunities
- A collaborative and positive culture - join a diverse team of professionals that are as smart and driven as you
- A chance to make an impact – your work will contribute directly to our strategy
- Enjoy the flexibility of working from home and the energy of collaborating with peers in our dynamic offices
- 20+ PTO days plus holidays and floating holidays in your first year
- Extensive medical, dental insurance and vision plan
- 401K with corporate match, immediate vesting
- Health-and-wellness-related allowance programs
- Parental leave
- Tuition reimbursement
- Employee Stock Purchase Plan
- Employee Assistance Program
- Gartner Gives Charity Match
- And much more!
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