Senior Defense Network Engineer

JCS Solutions LLC; Washington (District of Columbia); On-site; USD 70,000 - 110,000; Full time

Benefits offered by this job

Health, dental, vision insurance

Life insurance

PTO

401k with employer match

Professional Development Reimbursement

Job summary

JCS Solutions LLC is seeking a Senior Network Engineer to support AFNCR missions at JBAB. The role covers mission-critical network engineering, security hardening, and enterprise routing/switching across NIPR and SIPR environments.

Onsite in a complex defense environment at Joint Base Andrews, MD, with a Secret clearance requirement and DoD 8140 IAT Level II certification. Core hours 10:00–18:00, on-call rotation.

Qualifications

• Bachelor’s degree or equivalent combination of military training and certifications.
• Expert VLANs, VTP, Port Security, STP/RSTP/MSTP, 802.1Q trunking, L2/L3 ether channels.
• Experience with EIGRP, OSPF, IS-IS routing protocols.
• Hands-on KG-17XX encryptors, HAIPE devices, GEM-X.
• Active DoD Secret clearance; U.S. Citizenship required.

Responsibilities

• Serve as primary alternate to Team Lead and assume operational control in their absence.
• Maintain continuous surveillance of enterprise network infrastructure and transport systems.
• Triage, isolate, and remediate Layer 1–3 network incidents.
• Escalate outages with comprehensive troubleshooting documentation.
• Provision, deploy, configure, and optimize enterprise routers and multilayer switches.
• Perform Cisco IOS/IOS-XE upgrades and firmware refreshes.
• Coordinate with carriers and vendors to resolve circuit issues.
• Plan and execute Authorized Service Interruptions following change control.
• Apply STIGs and remediate IAVM/patching vulnerabilities.
• Manage TACLANE, Type-1 Encryptors, and COMSEC requirements.

Skills

VLANs/trunking

Routing protocols (EIGRP/OSPF/IS-IS)

Encryptors/HAIPE/GEM-X experience

DoD Secret clearance

US Citizenship

Education

Bachelor’s degree in CS/IT/Network Engineering or related STEM

Tools

KG-17XX encryptors

GEM-X

HAIPE devices

Cisco IOS/IOS-XE

TACLANE

Job description

JCS Solutions LLC is seeking a Senior Network Engineer to support AFNCR missions at JBAB. The role covers mission-critical network engineering, security hardening, and enterprise routing/switching across NIPR and SIPR environments.

Onsite in a complex defense environment at Joint Base Andrews, MD, with a Secret clearance requirement and DoD 8140 IAT Level II certification. Core hours 10:00–18:00, on-call rotation.