Network Engineer

• Design, deploy, maintain, and optimize enterprise network infrastructure and network security platforms
• Manage network engineering projects from planning and design through implementation, documentation, testing, and operational support
• Design and maintain enterprise LAN, WAN, wireless, data center, and cloud-connected network architectures
• Develop and maintain network and network security standards, reference architectures, implementation practices, and engineering best practices
• Design, implement, review, and maintain firewall policies, ACLs, segmentation, VPN access, NAT, secure management access, zero trust-aligned controls, and access control frameworks
• Serve as an escalation resource for complex routing, switching, wireless, firewall, VPN, DNS, DHCP, WAN, cloud connectivity, performance, availability, and policy-related issues
• Perform firewall rule reviews, network access reviews, security policy cleanup, and assist with vulnerability remediation
• Develop and maintain network and security documentation, diagrams, standards, configurations, procedures, support records, implementation plans, and firewall rule documentation
• Resolve assigned network and security operations tickets according to service levels, escalation procedures, and change management practices
• Drive network growth initiatives, capacity planning, infrastructure refresh projects, technology standardization, and security platform modernization
• Lead and collaborate with vendors, service providers, contractors, security teams, and internal stakeholders on network projects, site deployments, migrations, cutovers, and infrastructure upgrades
• Travel to Evansville, IN for team meetings and collaboration events approximately twice per year

Enterprise Network Engineer

• Oversee delivery of network architecture and implementations for clients
• Design, implement, support, and troubleshoot network security infrastructures and segmentation deployments
• Implement and maintain micro-segmentation policies, application dependency mapping, rule-set creation, and enforcement across hybrid workloads
• Design and support segmentation architectures to enhance security posture and reduce lateral movement risks
• Implement and maintain firewalls, monitor vulnerabilities, and optimize network security devices and segmentation platforms
• Modify firewall rule sets, segmentation rules, security policies, whitelisting, and content filtering
• Establish and modify site-to-site VPNs and secure connectivity paths for segmented workloads
• Manage threat protection, URL blocking, IOC feeds, routers, switches, segmentation policies, and endpoint enforcement controls
• Monitor firewall and segmentation agent health, performance, and capacity across global environments
• Participate in change management, peer reviews, and validation and execution of firewall or segmentation modifications
• Develop build and test plans for firewall and segmentation deployments
• Coordinate with security, cloud, data center, and application teams on standardized configurations and enforcement practices
• Recommend enhancements to improve reliability, segmentation accuracy, security posture, and operational performance
• Define reusable network and micro-segmentation patterns for branch, data center, and cloud environments
• Document segmentation deployments, firewall standards, policy frameworks, and configuration baselines
• Automate policy pushes, firewall rules, and segmentation updates using Ansible, Terraform, and Python
• Design, support, and troubleshoot wireless networks
• Work with TCP/IP, Active Directory, DNS, DHCP, BGP, OSPF, VXLAN, and east-west traffic considerations
• Participate in disaster recovery exercises and validate segmented application recovery paths
• Resolve complex technical escalations and participate in incident and problem management
• Design and implement cloud network architectures using segmentation and zero-trust principles
• Collaborate globally with IT teams to resolve issues and align network and segmentation solutions

Senior Cloud Network Engineer

• Design, deploy, and manage FortiGate next-generation firewalls across data center, campus, cloud, and branch environments
• Configure and maintain FortiManager and FortiAnalyzer for centralized policy management, logging, and reporting
• Architect and support FortiGate SD-WAN deployments, including performance-based routing and application steering
• Implement and manage site-to-site and remote-access VPNs using IPsec and SSL-VPN
• Configure and troubleshoot BGP and OSPF routing protocols with FortiGate deployments
• Manage the Fortinet Security Fabric, including FortiSwitch, FortiAP, FortiClient EMS, FortiAuthenticator, FortiSandbox, FortiWeb, and FortiADC
• Develop and enforce firewall policies, NAT rules, and security profiles such as IPS, antivirus, web filtering, and application control
• Lead network segmentation initiatives, including Zero Trust Network Access implementation
• Perform firmware upgrades, patching, and lifecycle management across the Fortinet estate
• Conduct root-cause analysis for complex network and security incidents and provide Tier 3/4 escalation support
• Support PCI-DSS, HIPAA, SOC 2, and NIST compliance and audit requirements related to firewall and network configuration
• Create and maintain network diagrams, configuration standards, and runbooks
• Collaborate with SOC teams on threat detection, incident response, and log analysis
• Mentor junior engineers and contribute to change management and CAB processes
• Participate in the infrastructure support on-call rotation

Managed Services Network Engineer – Fortinet

• Provide senior-level technical guidance and supervision for information systems operations
• Design, build, and implement LAN, MAN, and WAN network infrastructures
• Compile, analyze, and manage network operation and maintenance records and reports
• Troubleshoot and resolve complex hardware, software, and network performance issues
• Plan and execute large-scale systems projects, including vendor evaluations, cost-benefit analyses, and system integration
• Analyze network traffic data for capacity planning, performance enhancement, and scalability
• Oversee and respond to activities in technical control facilities
• Lead procurement, testing, installation, and ongoing support of networking and communications systems
• Supervise multifunctional teams across network operations, systems security, software support, and production support
• Perform system-level design and configuration for hardware, operating systems, and platforms
• Conduct quality assurance and evaluate software products
• Oversee LAN/MAN/WAN administration, systems programming, security policy implementation, and web strategy support
• Monitor and test network facilities and equipment to ensure continuity of operations
• Provide input on network standards, operational requirements, and budget constraints
• Report to the Program Manager
• Perform other duties as assigned

Senior Network Specialist

• Provide senior-level technical guidance and supervision for information systems operations
• Design, build, and implement LAN, MAN, and WAN network infrastructures
• Compile, analyze, and manage network operation and maintenance records and reports
• Troubleshoot and resolve complex hardware, software, and network performance issues
• Plan and execute large-scale systems projects, including vendor evaluations, cost-benefit analyses, and system integration
• Analyze network traffic data for capacity planning, performance enhancement, and scalability
• Oversee technical control facility activities to maintain hardware, software, and network performance
• Lead procurement, testing, installation, and ongoing support of networking and communications systems
• Supervise multi-functional teams involved in network operations, systems security, software support, and production support
• Perform system-level design and configuration for hardware, operating systems, and platforms
• Conduct quality assurance and evaluate software products for operational efficiency and compliance
• Oversee LAN/MAN/WAN administration, systems programming, security policy implementation, and web strategy support
• Monitor and test network facilities and equipment to ensure continuity of network operations
• Provide input on standards, operational requirements, and budget constraints
• Report to the Program Manager

• Provide senior-level technical guidance and supervision for information systems operations
• Design, build, and implement LAN, MAN, and WAN network infrastructures
• Compile, analyze, and manage network operation and maintenance records and reports
• Troubleshoot and resolve complex hardware, software, and network performance issues
• Plan and execute large-scale systems projects, including vendor evaluations, cost-benefit analyses, and system integration
• Analyze network traffic data for capacity planning, performance enhancement, and scalability
• Oversee technical control facility activities to maintain hardware, software, and network performance
• Lead procurement, testing, installation, and ongoing support of networking and communications systems
• Supervise multi-functional teams in network operations, systems security, system software support, and production support
• Perform system-level design and configuration for hardware, operating systems, and platforms
• Conduct quality assurance and evaluate new and existing software products
• Oversee LAN/MAN/WAN administration, systems programming, system security policy implementation, and web strategy support
• Monitor and test network facilities and equipment to ensure continuity of network operations
• Provide input on standards, operational requirements, and budget constraints
• Report to the Program Manager
• Perform other duties as assigned

• Provide senior-level technical guidance and supervision for information systems operations
• Design, build, and implement LAN, MAN, and WAN network infrastructures
• Compile, analyze, and manage network operation and maintenance records and reports
• Troubleshoot and resolve complex hardware, software, and network performance issues
• Plan and execute large-scale systems projects, including vendor evaluations, cost-benefit analyses, and system integration
• Analyze network traffic data for capacity planning, performance enhancement, and scalability
• Oversee technical control facility activities to maintain hardware, software, and network performance
• Lead procurement, testing, installation, and ongoing support of networking and communications systems
• Supervise multifunctional teams across network operations, systems security, software support, and production support
• Perform system-level design and configuration for hardware, operating systems, and platforms
• Conduct quality assurance and evaluate software products for operational efficiency and compliance
• Oversee LAN/MAN/WAN administration, systems programming, security policy implementation, and web strategy support
• Monitor and test network facilities and equipment to ensure continuity of operations
• Provide input on network standards, operational requirements, and budget constraints
• Report to the Program Manager

• Provide technical guidance and monitor information systems operations
• Design, build, integrate, and implement advanced LAN, MAN, and WAN network systems
• Compile records and reports related to network operations and maintenance
• Troubleshoot complex network performance issues and perform root cause analysis
• Analyze network traffic patterns and develop capacity planning strategies
• Monitor and respond to hardware and software issues in technical control facilities
• Collaborate with vendor support teams to resolve network outages and degraded performance
• Manage procurement, setup, testing, installation, and support across networking communications system lifecycles
• Perform system-level design and configuration, including hardware, operating system, and platform specifications
• Plan and oversee large-scale network systems projects, vendor comparisons, cost analyses, and performance evaluations
• Lead systems engineering tasks involving design, integration, personnel coordination, and implementation
• Conduct quality assurance reviews of new and existing software products
• Report to the Program Manager
• Perform other duties as assigned

Network Specialist – Journeyman

• Provide technical guidance for information systems operations and network efficiency
• Design, build, implement, and maintain LAN, MAN, and WAN infrastructures
• Compile records and reports related to network operations and maintenance
• Troubleshoot and resolve network performance issues and perform root cause analysis
• Analyze network traffic metrics and provide capacity planning recommendations
• Monitor and address complex hardware and software issues in technical control facilities
• Collaborate with vendor support organizations during outages and degraded performance
• Manage procurement, testing, installation, and support of network communications hardware and software
• Report to the Program Manager
• Perform other duties as assigned

Junior Network Specialist

• Research and analyze complex network inventories, technical requirements, and configurations for approximately 40 distinct customer data networks
• Assist agency customers in drafting network Performance Work Statements for EIS vendor proposals and Fair Opportunity competitions
• Evaluate technical and provisioning solutions from carriers and EIS vendors, advising on feasibility, performance trade-offs, and customer-budget alignment
• Provide technical input for Bid Models, technical evaluation plans, QASPs, and IGCEs
• Plan, coordinate, and participate in installation, scheduling, and cutover of transitioned services
• Advise the PMO and customers on modern technologies supporting LAN/WAN design
• Perform technical liaison functions among DISA, DITCO, and carrier elements during migrations
• Support senior data network customers through activation of new services
• Coordinate disconnect documentation for replaced legacy lines

Network Engineer jobs in Illinois

Enterprise Network Engineer

Senior Cloud Network Engineer

Managed Services Network Engineer – Fortinet

Senior Network Specialist

Senior Network Specialist

Senior Network Specialist

Senior Network Specialist

Network Specialist – Journeyman

Junior Network Specialist

Senior Telecommunications / Network Engineer