Network Engineer with Security Clearance

Cornerstone Defense LLC; Fairfax (VA); On-site; USD 160,000 - 235,000; Full time

Job summary

Cornerstone Defense LLC is seeking a Network Engineer in McLean, VA to perform essential IT/network duties on-site. Responsibilities include planning and building networks from Layer 1 to Layer 3, managing TCP/IP addressing, and implementing VPNs, firewalls, and security controls.

The role requires substantial Cisco experience and an intelligence-community background. The position emphasizes hands-on networking, troubleshooting, project coordination, and collaboration with system administrators

Qualifications

• Bachelor's degree or 4+ years as network engineer
• 6+ years experience with Cisco Catalyst switches and other Cisco network hardware
• 7+ years intelligence community experience as network engineer/administrator

Responsibilities

• Assist System Administrators as assigned by the Lead System Administrator.
• Assist the Lead Network Engineer in developing and implementing IT/network plans
• Manage network operations using SNMP network management tools.
• Diagnose and troubleshoot network problems with protocol capture/decode analyzers.
• Plan and build network from OSI Layer 1 through Layer 3.
• Manage TCP/IP addressing and subnetting.
• Monitor network per the monitoring plan.
• Install, configure and document the physical cable plant.
• Install, configure and manage networking hardware (switches, bridges, hubs, concentrators, transceivers).
• Configure and manage VPNs.

Skills

Troubleshooting

Project management

Cisco networking

Linux

Visio

Firewall management

Nexus/ switches

JIRA

SAN/Fibre Channel

Education

Bachelor's degree in CS/IS/Engineering/Math

Tools

Cisco Catalyst switches

Cisco ASA/Firepower

Nexus switches

MDS Fibre Channel

SolarWinds

Visio

JIRA

Job description

Network Engineer McLean, VA Salary Range: $160-235k The on-site Network Engineer shall perform the following minimum duties:

• Assisting the System Administrators as assigned by the Lead System Administrator.
• Assisting the Lead Network Engineer in developing and implementing IT/network plans
• Managing network operations using simple network management protocol (SNMP) network management tools.
• Diagnosing and troubleshooting network problems with network protocol capture/decode analyzers.
• Planning and building network from open system interconnect (OSI) Layer 1 through Layer 3.
• Managing TCP/IP internetworking connectivity to include addressing and subnetting.
• Monitoring network as defined in the network monitoring plan.
• Installing, configuring, updating and documenting the physical cable plant.
• Installing, configuring and managing networking hardware (switches, bridges, hubs, concentrators, transceivers).
• Installing, configuring and managing network security (firewalls, IP blocking).
• Configuring and managing virtual private networks (VPNs) Required Skills:
• Bachelor's degree in computer science, information systems, engineering, mathematics or four (4) years equivalent experience as network engineer or network technician.
• Six (6) years' experience with Cisco Catalyst switches and other Cisco network hardware.
• Seven (7) year intelligence community experience as a network engineer or network administrator. Desired Skills:
• 3-5 years of HAND-ON network engineering experience in customer environment
• Hands-on Cisco firewall experience (ASA/Firepower 5510, 5515X, FP4100's, etc...)
• Hands-on Cisco Catalyst switch experience (Nexus switch experience would be a HUGE plus)
• CCNP-level knowledge of Cisco networking (No requirement for certification, but understanding at this level is required)
• Familiarity with cabling types/standards (i.e., Single Mode vs. Multi Mode, LC connector vs. SC connector, Cat5/6/7, etc...)
• Good understanding of network link virtualization technologies (i.e., Ether-channel/Port-channel, Nexus virtual port-channels (vpcs))
• Willingness to perform layer 1 tasks as needed (pulling cable, racking/stacking, etc...)
• Strong troubleshooting skills
• Strong project management experience (i.e., ability to manage projects through their full lifecycle in order to meet deadlines)
• Ability to use MS Visio to produce network diagrams
• Must be able to survive and thrive in a non-enterprise, fast paced environment
• Ability to create and present presentations and other ad-hoc technical briefings as necessary
• Understanding of how mission enclaves communicate with Enterprise networks
• Familiarity with Cisco Firewall Management Center to manage Firepower firewall
• Experience with Cisco Nexus Ethernet switching platforms (Nexus 5500, 5600, 7700, and 9500)
• Experience with Cisco MDS Fibre Channel switching platforms (MDS 9000)
• Familiarity with Storage Area Networking (SAN) and Fibre Channel protocols and standards
• Familiarity with Linux operating system
• Familiarity with SolarWinds network management/monitoring tool
• Familiarity with virtual appliances (switches, firewalls, etc...)
• Familiarity with JIRA
• Experience working in a 'mission-like' environment (outside of Enterprise comms)
• AWS/Cloud familiarity