Title: NOC Technician III – Transport/IP (Trip) Location: Scott AFB, IL Compensation Range: $50 – $70k Clearance: *Active DoD Secret required* Schedule: Rotating w/ 10% Travel
Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview: Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services * Position Description: The NOC Technician III provides advanced network monitoring, fault analysis, incident correlation, service restoration, and customer coordination for DISN transport and IP infrastructure. This senior‑level role requires deep technical expertise, strong analytical skills, and the ability to lead complex troubleshooting within a high‑tempo operations environment.
Core Tasks:
Create, update, and track incident tickets in Remedy while monitoring network events and alarms across multiple tools in a 24/7/365 environment.
Perform incident correlation, fault analysis, and root‑cause isolation by filtering and interpreting alarm data, identifying impacts, determining failed elements, and coordinating corrective actions.
Diagnose and troubleshoot faults involving systems, circuits, hardware, software, facilities, and multi‑layer network components including routers, switches, crypto devices, optical systems, DSN/DRSN, Cisco/Juniper platforms, MSPP, DWDM, and transport/IP routing.
Execute change‑management tasks such as hardware replacement, software configuration, ASI support, fault logging, testing, localization, and assignment of incidents.
Restore network services by executing reroutes, normalization, and coordination with service providers; verify service restoration and document actions in the CMDB.
Provide Tier I/Tier II sustainment support, deliver timely situational awareness to leadership, and maintain continuous communication with O&M teams, customers, and mission partners.
Escalate incidents appropriately between Tier I and Tier II and maintain accurate ticket status, tracking, and reporting.
Assist with training Network Controllers, evaluate SOPs, tools, and processes, and contribute technical guidance for complex issues.
Support global situational awareness operations and demonstrate proficiency across multiple DISN functions and technologies.
Qualifications:
High school diploma and 2–4 years of relevant experience.
DoD‑8570 IAT Level II baseline certification (e.g., Security+ CE) by start date.
Ability to work in a 24/7 operational environment.
Experience with one or more: alarm surveillance, fault management, LAN maintenance, performance management.
Expertise in at least three technologies: routers, switches, crypto devices, routing, DSN/DRSN, video services, Promina, Cisco, Juniper, MSPP, DWDM, optical switching.
General understanding of transport and IP network topologies.
Preferred:
Tech control facility or cyber transport experience.
Circuit actions and vendor coordination experience.
Strong IP architecture background.
Experience in Telco NOC, inside plant, or outside plant environments.
Proficiency with MS Office Suite (Outlook, Excel, Word, PowerPoint, Access, Teams).
Experience in one or more areas: alarm surveillance, fault management, LAN maintenance, performance management, change management.
Title: Network Engineer III – Joint Fires Network (JFN) Location: Scott AFB, IL Compensation Range: $100 – $120k Clearance: *Active DoD Top Secret required* Schedule: Rotating w/ 10% Travel
Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview: Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description: The Network Engineer III serves as a senior‑level network operations engineer responsible for advanced network troubleshooting, complex circuit redesign, deep analysis of transport/IP connectivity, and leadership-level operational support within a 24×7 environment. This role requires substantial technical proficiency, strong situational judgment, and the ability to independently resolve multi‑layer transport and IP issues impacting high‑visibility DoD customers.
Core Tasks:
Execute network operations involving configuration, analysis, and optimization of customer circuits across optical multiplexers, electro‑optical systems, routers, and switches.
Perform real‑time circuit redesign and routing adjustments to restore connectivity during outages, maintenance events, or unexpected network degradations.
Engage directly with internal customers, external agencies, service providers, and higher‑tier engineering teams to maintain maximum network availability.
Proactively monitor alarms using platform‑specific network management tools to rapidly detect service‑impacting conditions.
Perform change‑management tasks including hardware replacements, platform configurations, and ASI updates.
Use incident management applications to thoroughly document outages, escalation paths, troubleshooting actions, root cause isolation, and resolutions.
Assess, diagnose, and recommend corrective actions for advanced network issues using deep expertise across routers, switches, crypto devices, Cisco, Juniper, MSPP, optical transport, MPLS, TDM, and SDH/SONET networks.
Qualifications:
Bachelor’s degree and 4+ years relevant experience, or equivalent combination of education/experience.
DoD‑8570 IAT Level II certification (Security+ CE or equivalent) prior to start date.
Ability to work in a 24×7 shift environment.
Deep Understanding of IP and Transport network topologies.
Preferred:
Experience within tech control or cyber transport environments.
Background in circuit actions and vendor coordination.
Strong IP/Transport architecture experience.
Experience with SolarWinds and Jira.
Telco NOC, inside plant, or outside plant experience.
Proficiency with MS Office Suite (Outlook, Excel, Word, PowerPoint, Access, Teams).
Experience in one or more: alarm surveillance, fault management, LAN maintenance, performance management, change management.
Location:Belleville, Illinois
Type:Contract
Job#4055
Title: Network Engineer II – Joint Fires Network (JFN) Location: Scott AFB, IL Compensation Range: $70 – $90k Clearance: *Active DoD Top Secret required* Schedule: Rotating w/ 10% Travel
Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview: Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description: The Network Engineer II executes real‑time network operations, analysis, troubleshooting, and change management across DISN transport and IP infrastructure. This role requires a blend of technical expertise, operational awareness, and customer‑focused communication to maintain maximum network availability and support critical DoD missions. Engineers work in a 24×7 environment and coordinate directly with customers, government agencies, O&M teams, and higher‑tier engineering organizations.
Core Tasks:
Execute network operations including configuration, analysis, and support of customer circuits across optical platforms, multiplexers, routers, and switches.
Perform real‑time circuit redesign and alternate routing to restore connectivity during outages, maintenance, or service degradations.
Coordinate with internal/external customers, government agencies, and engineering tiers to minimize mission impact and maintain operational readiness.
Monitor network alarms using platform‑specific management tools and proactively identify service‑impacting conditions.
Perform change‑management actions including hardware replacement, software configuration updates, and ASI execution.
Utilize incident management tools to document outages, degradations, escalation paths, troubleshooting steps, and full lifecycle resolution details.
Identify and recommend corrective actions for network incidents leveraging knowledge of routers, switches, crypto devices, transport systems, Cisco, Juniper, MSPP, optical transport, MPLS, TDM, and SDH/SONET.
Qualifications:
Bachelor’s degree and 2+ years relevant experience, or equivalent education/experience combination.
DoD‑8570 IAT Level II certification (Security+ CE or equivalent) prior to start date.
Ability to work in a 24×7 shift environment.
Working knowledge of both IP and Transport network topologies.
Preferred:
Tech control facility or cyber transport experience.
Experience with circuit actions, vendor coordination, and IP/Transport architecture.
SolarWinds and Jira experience.
Telco NOC, inside plant, or outside plant experience.
Proficiency with MS Office Suite (Outlook, Excel, Word, Access, PowerPoint, Teams).
Experience in one or more areas: alarm surveillance, fault management, LAN maintenance, performance management, change management.
Location:Belleville, Illinois
Type:Contract
Job#4054
Title: Network Engineer I – Joint Fires Network (JFN) Location: Scott AFB, IL Compensation Range: $55 – $75k Clearance: *Active DoD Top Secret required* Schedule: Rotating w/ 10% Travel
Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Benefits Overview: Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
Position Description: The Network Engineer II executes real‑time network operations, analysis, troubleshooting, and change management across DISN transport and IP infrastructure. This role requires a blend of technical expertise, operational awareness, and customer‑focused communication to maintain maximum network availability and support critical DoD missions. Engineers work in a 24×7 environment and coordinate directly with customers, government agencies, O&M teams, and higher‑tier engineering organizations.
Core Tasks:
Execute network operations including configuration, analysis, and support of customer circuits across optical platforms, multiplexers, routers, and switches.
Perform real‑time circuit redesign and alternate routing to restore connectivity during outages, maintenance, or service degradations.
Work directly with internal/external customers, government agencies, and higher‑tier engineering teams to ensure maximum network availability.
Proactively monitor network alarms using platform‑specific tools and identify service‑impacting conditions.
Conduct change‑management tasks including hardware replacement, software configuration adjustments, and ASI execution.
Utilize incident management applications to document outages, degradations, troubleshooting steps, escalations, and resolutions throughout the lifecycle of network incidents.
Assess, identify, and recommend solutions to network issues using foundational knowledge of routers, switches, crypto devices, routing, Cisco, Juniper, MSPP, optical transport systems, MPLS, TDM, and SDH/SONET.
Qualifications:
Bachelor’s degree and less than 2 years relevant experience, or equivalent education/experience combination.
DoD‑8570 IAT Level II certification (Security+ CE or equivalent) prior to start date.
Ability to work in a 24×7 shift environment.
General understanding of both IP and Transport network topologies.
Preferred:
Experience in a tech control facility or cyber transport environment.
Exposure to circuit actions, vendor coordination, or IP/Transport architecture.
Experience with SolarWinds and Jira.
Telco NOC, inside plant, or outside plant experience.
Proficiency with MS Office Suite (Outlook, Word, Excel, PowerPoint, Access, Teams).
Experience in one or more areas: alarm surveillance, fault management, LAN maintenance, performance management, change management.
