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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Tier 3 Engineer - **Company:** KeenLogic, LLC - **Location:** Scott Air Force Base, IL, United States - **Experience:** Expert - **Contract:** Temporary to permanent - **Skills:** Testing (Software), VoIP, Network Analysis, Configuration Management, Complex Networks, Data Transmissions, Disaster Recovery, Fault Tolerance, IPv4, IPv6, Virtual Private Networks (VPN), Routing, Network Administration, Server Administration, Systems Integration, Virtual Local Area Networks, Backup and Restore, Firewalls (Computer Science), 3-tier Architectures, Network Optimization - **Published:** September 27, 2026 - **Apply:** https://www.thejobnetwork.com/job/213efdfa-fd2b-4d96-bc15-8aebdfc9003a/network-tier-engineer ## About the Role * Active Top Secret security clearance. * 5+ years of relevant experience supporting network engineering and related technical functions. * Current Cisco Certified Network Professional (CCNP) certification. * Ability to perform duties onsite at Scott Air Force Base. * Ability to satisfy applicable DoD workforce, information assurance, and network/computing environment certification requirements associated with assigned duties and privileged access. Job Expectations * Ability to analyze and troubleshoot complex network issues across operational and laboratory environments. * Working capability with routing, switching, firewalls, IPv4/IPv6, VLANs, VPNs, encryption, network management, and communications transport technologies relevant to EACN. * Ability to maintain configuration control and validate changes in the Systems Integration Lab before operational deployment. * Ability to develop technical documentation, support configuration training, and communicate recommendations to Government engineers. ## Description KeenLogic is seeking a Network Tier 3 Engineer to support the U.S. Air Force's Executive Airlift Communications Network (EACN). EACN provides reliable voice, video, and data communications to senior U.S. Government leaders while airborne. The program includes three operational Air to Global Information Grid Gateways and a Systems Integration Lab used to test upgrades, configuration changes, and new capabilities before deployment to operational environments. This position will provide advanced network engineering, analysis, design, troubleshooting, and integration support. The engineer will work closely with Government engineers to maintain configuration baselines, evaluate technologies, resolve complex network issues, and support operational gateways at Scott Air Force Base, Joint Base Andrews, and Joint Base Lewis-McChord., * Location: Scott Air Force Base, Illinois. * Onsite Requirements: Onsite support for the operational gateway and Systems Integration Lab. * Schedule: Monday-Friday, with an assigned schedule within 6:30 AM-5:30 PM Central Time, excluding federal holidays. * Clearance: Active Top Secret security clearance. * Operational Designation: Mission-essential support. * Travel: Government-approved travel may be required to support other gateway locations, installations, maintenance, or technical coordination., * Perform network analysis and design to evaluate new technologies, support emerging requirements, and optimize network performance. * Support Government engineers with technical architecture, configuration/change management, and current- and future-state planning. * Troubleshoot complex issues affecting operational gateways and the aircraft or platforms accessing them. * Establish and maintain gateway baseline configurations and the Systems Integration Lab environment. * Install and functionally test software versions, patches, technical orders, and approved configuration changes. * Document and test new hardware, software, and configurations in the lab before changes are introduced to operational gateways. * Develop and update installation and configuration guides, topology diagrams, checklists, policies, and troubleshooting procedures. * Support equipment installation, removal, replacement, and configuration training at supported sites. * Maintain network and system backups, support fault-tolerant designs and disaster recovery solutions, and perform approved server maintenance. * Develop scripts and other technical tools, collect network statistics, and support analysis of availability, utilization, outages, and overall system health. * Support VoIP sustainment and integration of approved network transport capabilities, aircraft, and other assets as directed within the awarded scope. ## Related Videos - [IoT: The road to sustainability](https://www.wearedevelopers.com/videos/557-iot-the-road-to-sustainability) - [IP Authentication: A Tale of Performance Pitfalls and Challenges in Prod](https://www.wearedevelopers.com/videos/1413-ip-authentication-a-tale-of-performance-pitfalls-and-challenges-in-prod) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Best US AI Conferences for CTOs in 2026: Build vs. Buy, Vendor Evaluation, and Peer Intelligence](https://www.wearedevelopers.com/magazine/736-best-us-ai-conferences-for-ctos-in-2026-build-vs-buy-vendor-evaluation-and-peer-intelligence) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)