Network Engineer

Cornerstone Defense LLC; United States; On-site; USD 160,000 - 235,000; Full time

Job summary

Cornerstone Defense LLC in McLean, VA is seeking a Network Engineer to design, implement, and support secure IT networks for critical missions. The role requires hands-on experience with Cisco switches, firewalls, and VPNs, plus the ability to work in a fast-paced, government-style environment.

You will collaborate with system admins and engineers to plan networks from OSI Layer 1 to 3, monitor performance with SolarWinds, and document configurations.

Qualifications

• Bachelor's degree in CS/IS/engineering/math or 4+ years' related network experience.
• 6+ years' experience with Cisco Catalyst switches and other Cisco hardware.
• 7+ years' intelligence community experience as network engineer/administrator.

Responsibilities

• Assist System Administrators as assigned by Lead System Administrator.
• Assist Lead Network Engineer in developing and implementing IT/network plans.
• Manage network operations using SNMP tools and monitoring.
• Diagnose and troubleshoot network problems with protocol analyzers.
• Plan and build network from OSI Layer 1 through Layer 3.
• Manage TCP/IP connectivity including addressing and subnetting.
• Monitor network per the monitoring plan.
• Install and document physical network cable plant.
• Configure and manage switches, routers, firewalls and VPNs.

Skills

Cisco experience

Network engineering

Intelligence IC experience

Education

Bachelor's degree or 4+ yrs exp

Tools

Cisco Nexus switches

Cisco MDS

SolarWinds

JIRA

MS Visio

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