DoD TS Network Engineer I – Joint Fires Network

Cornerstone Defense LLC; Belleville (IL); On-site; USD 55,000 - 75,000; Full time

Benefits offered by this job

Medical, Dental & Vision Plans

401(k)

HSA/FSA options

Life & Disability Insurance

Tuition Reimbursement & Training

Referral Program

CollegeAmerica 529

Job summary

Cornerstone Defense LLC seeks a Network Engineer I for Joint Fires Network operations at Scott AFB, IL. The role focuses on real-time network operations, troubleshooting, and change management across DISN transport and IP infrastructure in a 24x7 environment.

You will work with customers, government agencies, O&M teams, and higher-tier engineering groups to maintain maximum network availability and support critical DoD missions.

Qualifications

• Bachelor’s degree with <2 years relevant experience or equivalent.
• DoD-8570 IAT Level II certification (Security+ CE) required before start date.
• Ability to operate in a 24x7 shift environment.
• Good understanding of IP and Transport network topologies.

Responsibilities

• Operate real-time network operations across DISN transport and IP infrastructure.
• Analyze, troubleshoot, and manage changes to ensure maximum network availability.
• Coordinate with customers, gov't agencies, and higher‑tier engineering teams.
• Monitor network alarms and identify service-impacting conditions.
• Execute change-management tasks including hardware/software adjustments.
• Document outages, troubleshooting steps, escalations, and resolutions in incident systems.
• Assess and recommend network solutions using routers, switches, crypto devices, and MPLS/SDH.

Skills

24x7 shift capability

IP & Transport topologies

Circuit actions & IP/Transport

Vendor coordination

MS Office Suite

Alarm surveillance

Fault management

Change management

Education

Bachelor’s degree and <2 years relevant experience or equivalent

DoD-8570 IAT Level II (Security+ CE)

Tools

SolarWinds

Jira

Job description

Cornerstone Defense LLC seeks a Network Engineer I for Joint Fires Network operations at Scott AFB, IL. The role focuses on real-time network operations, troubleshooting, and change management across DISN transport and IP infrastructure in a 24x7 environment.

You will work with customers, government agencies, O&M teams, and higher-tier engineering groups to maintain maximum network availability and support critical DoD missions.