Senior DoD Network Engineer – TS Clearance

Applied Research Associates, Inc.; Raleigh, Northern (NC, KY); Hybrid; USD 110,000 - 160,000; Full time

Job summary

Applied Research Associates, Inc. in Raleigh, NC is seeking a Staff Network Engineer to design, operate, secure, and sustain classified and mission-supporting network infrastructure.

You will manage Cisco switching/routing, Cisco and Palo Alto firewalls, and integrate with Splunk and Forescout to monitor and harden systems. The role requires an active DoD Top Secret clearance with SCI eligibility, a bachelor's degree in a related field, and 8+ years of network engineering experience.

Qualifications

• Active DoD TS clearance with SCI eligibility.
• Bachelor's degree in cybersecurity, information technology, computer science, information systems, or related field with 2–4 years of relevant experience.
• 8+ years of network engineering, administration, or operations experience.
• Strong troubleshooting across OSI Layers 1–4 with packet and log analysis.
• Experience with network monitoring, configuration management, backup/recovery, patching, vulnerability remediation, and documentation.
• Meet DoD 8570/8140 cybersecurity requirements (IAT Level II).
• CCNA, CCNP, or equivalent networking/security certification.

Responsibilities

• Build out documentation of current infrastructure and network ports.
• Design, configure, maintain, and troubleshoot LAN infrastructure for classified environments.
• Administer Cisco/Dell/Palo Alto devices and integrate with Splunk/ForeScout/ISE and AAA services.
• Maintain operating systems (IOS, IOS-XE, FTD/ASDM, Palo Alto OS).
• Implement Layer 2 technologies (STP, VLANs, QoS, 802.1X).
• Implement Layer 3 routing (static/dynamic, BGP, ACLs, VRFs).
• Maintain secure segmentation, firewall policy, DNS, and DoDIN connectivity.
• Integrate with Splunk, Forescout for monitoring and security events.
• Apply DISA STIGs, baselines, updates, vulnerability remediation, hardening.
• Develop network diagrams, IP plans, inventories, and SOPs.
• Prepare and execute change plans through configuration control.
• Support cybersecurity incidents and after-hours maintenance as required.
• Provide RMF, ATO maintenance, and customer assessment support.

Skills

Active TS clearance

US Citizenship

CCNA/CCNP

Network troubleshooting

SIPRNet/DoDIN

Education

Bachelor's degree in Cybersecurity/IT/CS

Tools

Cisco IOS/IOS-XE

Palo Alto firewalls

Splunk

ForeScout/ISE

TACACS+/RADIUS

Job description

Applied Research Associates, Inc. in Raleigh, NC is seeking a Staff Network Engineer to design, operate, secure, and sustain classified and mission-supporting network infrastructure.

You will manage Cisco switching/routing, Cisco and Palo Alto firewalls, and integrate with Splunk and Forescout to monitor and harden systems. The role requires an active DoD Top Secret clearance with SCI eligibility, a bachelor's degree in a related field, and 8+ years of network engineering experience.