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Network Engineer Tier III

Global Enterprise Services, Llc
Belleville, IL Full Time
POSTED ON 1/9/2026
AVAILABLE BEFORE 1/22/2026


Network Engineer Tier III  

IAT II (*) Certification 

Top Secret or Secret 

BA/BS 7 years of experience: Network Engineer III: Ultimate responsibility for enterprise network designs and solutions, installs, configures, operates, and maintains a variety of network equipment and architectures, mostly packetized environments, focused on enterprise wide end to end systems (i.e. Network analysis and design, system integration, troubleshooting, testing, scripting, TCP/IPv4/6, Ethernet, ISDN/BRI/PRI, commercial SATCOM, and various other communications and network protocols, VLANs, VPN, data encryption, network management, information systems/network security, routers, switches, TCP accelerators, VoIP devices, Voice Exchange Appliances, firewalls, Windows and Linux/Unix servers, virtualized environments (VMWare), backup principle and various storage architectures and principles, premise wire and cable plant (especially with regard to TEMPEST/separation techniques and requirements), IA,DR etc.) and related ancillary systems/services.  

Required EACN Specific:  Cisco CCNP or better with specialties in Voice and Security or related expertise or equivalent experience, MS MCSE (role base certification) or better or related expertise or equivalent experience, and/or BS/MS in related field or equivalent experience, and at least one engineer with a TOP SECRET Clearance, the other with a SECRET; Desired: MCP/MCSE (role base certification), CCIE, CISSP, and hands-on experience with Apcon switch, Talari T5000, Cisco and Dell Storage Area Networks, Cisco routers, Cisco switches, Sonus/Ribbon VX appliances, High Assurance Internet Protocol Encryption (HAIPE) Inline Network Encryptor (INE),  General Dynamics TACLANE KG 175Gs, SkyX, Cisco WAAS data accelerators, McAfee firewalls, VPN's, Sourcefire network defense sensors, Intrusion Prevention system, VMWare servers, Backup software solution, Cisco Identity Services Engine (ISE), Cisco UCS, Dell Unity, Storage Area Network, KLAS Voyager Executive Communications Kit (ECK), Spectracom Secure Sync, Network Time Servers, Moxa, Device Monitoring system, Perle IOLAN SCS, remote console management, Adtran Multiplexer. 

Location Scott Air Force Base, IL 


Salary.com Estimation for Network Engineer Tier III in Belleville, IL
$108,065 to $125,483
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