> Markdown version of [/jobs/ext/2727565-network-systems-engineer-level-3](https://www.wearedevelopers.com/jobs/ext/2727565-network-systems-engineer-level-3). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network / Systems Engineer Level 3 - **Company:** Indotronix International Corporation - **Location:** Colorado Springs, CO, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Systems Engineering, Border Gateway Protocol, Synchronous Optical Networking, CompTIA Security+, Network Congestion, Networking Hardware, OSI Models, Microsoft Office, Microsoft Visio, Multicasting, Networking Basics, Network Planning and Design, Network Forensics, Network Installation Services, Network Monitoring, Routing, Open Shortest Path First (OSPF), Microsoft PowerPoint, Ansible, Storage Virtualization, TCP/IP, Strategies of Testing, Virtual Local Area Networks, Wide Area Networks, Network Routers, Computer Network Technologies, Firewalls (Computer Science), Juniper, Low Latency, Palo Alto Networks, Fortinet, Routing & Switching, Open Network Automation Platform, Cisco - **Published:** September 5, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9145625/network-systems-engineer-level-3 ## About the Role * Generally has 3+ years of related experience and may have a post-secondary degree or training in a related discipline. * The position requires an IAT Level II 8570-compliant certification such as Security+, GSEC, SCNP, SSCP, CISSP, CISA, GSE, SCNA, etc. * Must have an active Secret Security Clearance. * This position requires a CCNA or JNCIA certification. * Must be a proven network engineer with hands-on mid-level experience and knowledge of network design, development, and testing methodologies. * Must have an understanding of the OSI Model, TCP/IP, and routing protocols BGP and OSPF. * Must have network traffic analysis, diagnostic, and troubleshooting skills. * Must have firewall experience, especially Juniper, Fortinet, and Palo Alto. * Must have experience in UDP multicast, SONET, MSPP, VLANs, GRE Tunnels, and TCP/IP network designs. * Must have hands-on experience with multi-vendor switching and routing (Juniper, Cisco), WAN optimizer, TACLANEs, and optical transport equipment. * Must be an effective communicator with excellent writing and presentation skills using Microsoft Office products, especially PowerPoint and Visio. Preferred Skills * Top Secret Clearance. * CCNP or JNCIP Certification. * Foundation, NSX, vSAN, and Aria. * Experience with network automation using Ansible. * Understand standard DoD security practices such as STIG compliance and system accreditation implementation efforts. * Prior C2BMC experience., * Bachelor's degree and typically 5 or more years' experience in an engineering classification. * Master's degree with typically 3 or more years' experience in an engineering classification. * PhD degree with experience in an engineering classification. ## Description * In this role, the candidate will support the implementation, maintenance, and troubleshooting of enterprise network infrastructure. * This role is responsible for ensuring reliable connectivity across LAN/WAN environments while collaborating with senior engineers on network design and optimization. * The ideal candidate brings strong networking fundamentals and a hands-on approach to supporting production environments. * Configure and maintain network devices, including routers, switches, and firewalls from vendors such as Cisco and Juniper Networks. * Monitor network performance and availability, proactively identifying and resolving connectivity, latency, and packet loss issues. * Implement and support core networking technologies, including VLANs, routing protocols (e.g., OSPF, BGP), and basic network security controls. * Troubleshoot network incidents across LAN/WAN environments, performing root cause analysis and documenting resolutions. * Collaborate with cross-functional IT teams to support network changes, upgrades, and infrastructure projects. * Travel to remote locations to lead and perform network installations, independently perform troubleshooting, and provide status updates to Program personnel. * The candidate may be required to support critical activities outside of standard business hours, including evenings and weekends, as needed. * Perform any other required tasks by the program. ## Related Videos - [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) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Dev & Test in the Cloud? Deploy your cloud environments with Ansible & Terraform](https://www.wearedevelopers.com/videos/1607-dev-test-in-the-cloud-deploy-your-cloud-environments-with-ansible-terraform) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Embracing the Hybrid Cloud: Unlocking Success with Ansible](https://www.wearedevelopers.com/videos/932-embracing-the-hybrid-cloud-unlocking-success-with-ansible) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) ## 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) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best Companies in the Netherlands: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/193-best-companies-in-the-netherlands-top-25-companies-in-2023) - [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) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)