Senior Network Engineer – Onsite Defense Infra (Secret)

JCS Solutions LLC; Maryland; On-site; USD 70,000 - 110,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Life insurance

Short- and long-term disability

PTO

401k with match

Professional Development reimbursement

Job summary

JCS Solutions is seeking a Senior Network Engineer to support the AFNCR mission at JBAB. You will deliver mission-critical network engineering, infrastructure administration, and cybersecurity hardening across unclassified and classified environments.

The role requires on-site work at Joint Base Andrews, MD with a Secret clearance and DoD 8140 IAT Level II certification. Competitive salary ranges are provided with robust benefits.

Qualifications

• Bachelor’s degree or equivalent with 5+ years of network engineering experience.
• Active DoD 8140 IAT Level II certification or equivalent.
• Experience with enterprise routing, switching, and security hardening.

Responsibilities

• Serve as primary alternate to Team Lead and assume control in their absence.
• Maintain continuous surveillance of enterprise network infrastructure and transport systems.
• Triage and remediate Layer 1–3 network incidents.
• Escalate outages with thorough troubleshooting documentation.
• Provision, deploy, configure, and optimize 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 vulnerabilities.
• Manage encryptors and COMSEC accountability.

Skills

VLANs, VTP, Port Security, STP/RSTP/MF

EIGRP, OSPF, IS-IS routing

L2/L3 ether channels

Cisco IOS/IOS-XE

Layer 1/2 transport troubleshooting

DoD Secret clearance

Team lead alternate experience

Education

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

Tools

KG-17XX encryptors

HAIPE devices

GEM-X

Cisco ISE

DNA Center

Job description

JCS Solutions is seeking a Senior Network Engineer to support the AFNCR mission at JBAB. You will deliver mission-critical network engineering, infrastructure administration, and cybersecurity hardening across unclassified and classified environments.

The role requires on-site work at Joint Base Andrews, MD with a Secret clearance and DoD 8140 IAT Level II certification. Competitive salary ranges are provided with robust benefits.