Senior Network Engineer

Eliassen Group; Washington (District of Columbia); On-site; USD 85,000 - 120,000; Full time

Job summary

Eliassen Group is seeking an experienced IT professional to join their Enterprise Systems Team in Washington, D.C. The role focuses on maintaining network and audio/visual infrastructure, handling over 1,000 nodes.

The ideal candidate will have 5+ years of hands-on experience with Cisco network technologies and a strong background in customer support. Responsibilities include troubleshooting, network diagnostics, and overseeing hardware components such as routers and switches.

Experience with F5 Load Balancing and a college degree or equivalent experience are essential for this position.

Qualifications

• 5+ years of hands-on network infrastructure experience.
• Experience with Cisco firewalls, switches, and routers.
• Good experience in routing protocols, DNS and DHCP.

Responsibilities

• Perform ongoing network maintenance, diagnostics, and administration.
• Troubleshoot network related issues effectively.
• Administer DNS/DHCP services and network hardware.

Skills

Routing protocols

Cisco Catalyst/Nexus

Firewalls

F5 Load Balancer

DHCP/DNS using Infoblox

IPv6

Education

College degree or equivalent experience

Tools

Cisco routers

VPN appliances

Network monitoring tools

Job description

Job Description

As a member of the Enterprise Systems Team, the incumbent in this position is responsible for maintaining and enhancing our clients Washington’s network and audio/visual infrastructure. The computer network environment hosts a heterogeneous mix of computing hardware and software platforms, including servers and workstations, and COTS and custom software applications. The incumbent reports to the Manager, Networking and is tasked with implementing solutions for the network and supporting network related technology. The incumbent also works with the team lead for technical direction. The incumbent is responsible for maintaining Our Clients network hardware (routers, switches, firewalls, WAN optimizers, NAC, IPS, Video Teleconferencing, VPN and ADC’s) as well as network related services (DNS and DHCP) and network monitor tools (NetQos, Extrahop and Orion). This is a senior position in which customer service and networking skills are well developed.

Work Design

Works under general managerial direction on goals and objectives that have a significant impact on the organization. Regularly provides performance reports and status. Work with experience to guide actions. Assure that day-to-day network operations are reliable and efficient. Provide excellent customer support. Recommend solutions to a variety of problems.

Position Accountabilities

• Performs ongoing network maintenance, diagnostics, administration and design for 1,000+ nodes, multiple location environments.
• Troubleshoot network related issues.
• Work with the support staff to provide prompt resolution of staff network problems and requests.
• Administers DNS/DHCP services.
• Administers firewalls, VPN firewall appliances and IPS systems.
• Collaborates with Windows, Storage, UNIX and application development teams to determine their network needs.
• Works with security teams to ensure that all network components are PCI compliant.
• Administers switches, routers, WAN optimization, ADC’s, Cisco VTC and TACACS.
• Works with ISPs to ensure reliable Internet connectivity and performance.
• Services will be required outside of core working hours. Minimum travel may be required.

Qualifications

• Light Routing – Mostly protocols.
• Heavy Switching – Cisco Catalyst/Nexus Platform 6500 series.
• ASA or Pix Firewall: Create Rules, Manage Rules, Basic Upgrades.
• F5 Load Balancing experience is a must.
• DHCP/DNS using Infoblox: Nice to Have.
• Experience with IPV6: Nice to Have.
• HTTP Codes: Nice to Have.

Education, Experience, and Technological Knowledge

College degree or equivalent experience: 5+ years of hands‑on network infrastructure experience. Demonstrated experience with Cisco firewalls, switches, routers, wireless and VPN is required. Good experience in routing protocols, DNS and DHCP is required. Experience with Linux and/or Windows is required. Excellent troubleshooting and research skills are required. Strong interpersonal skills and innovative work practices are required. Experience with network monitoring tools is required. Network infrastructure design experience preferred. Experience with WAN optimizers, IPS, and NAC are preferred. Experience with Cisco Video Teleconferencing is a plus.

EEO Statement

All your information will be kept confidential according to EEO guidelines.