Network Engineer

Minimum Clearance Required Secret Responsibilities I2X Technologies is seeking a Network Engineer to support ongoing activities for a customer in Colorado Springs, CO. This position will be on-site and will require an active Secret clearance. Support the implementation, maintenance, and troubleshooting of enterprise network infrastructure. Responsible for ensuring reliable connectivity across LAN/WAN environments while collaborating with senior engineers on network design and optimization. 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. Responsible for traveling 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. The ideal candidate brings strong networking fundamentals and a hands‑on approach to supporting production environments. Any other required tasks by the program. Qualifications Active Secret clearance, Top Secret Preferred 3+ years of related experience and may have a post-secondary degree or training in a related discipline. Requires an IAT Level II 8570 Compliant Certification such as Security+, GSEC, SCNP, SSCP, CISSP, CISA, GSE, SCNA, etc. 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, routing protocols BGP and OSPF. Must have network traffic analysis, diagnostic and troubleshooting skills. Must have firewall experience – especially Juniper, Fortinet, and Palo AltoMust have experience in UDP multicast, SONET, MSPP, VLANs, GRE Tunnels, and TCP/IP network designs. Must have hands on experience with multi‑vendor switching 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 experience: NSX, vSAN, and AriaExperience with network automation using Ansible Understand standard DOD security practices such as, STIG compliance and system accreditation implementation efforts. Essential Requirements US Citizenship is required. Physical Demands The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job with or without reasonable accommodation. While performing the duties of this job, the employee will regularly sit, walk, stand and climb stairs and steps. May require walking long distance from parking to work station. Occasionally, movement that requires twisting at the neck and/or trunk more than the average person, squatting/ stooping/kneeling, reaching above the head, and forward motion will be required. The employee will continuously be required to repeat the same hand, arm, or finger motion many times. Manual and finger dexterity are essential to this position. Specific vision abilities required by this job include close, distance, depth perception and telling differences among colors. The employee must be able to communicate through speech with clients and public. Hearing requirements include conversation in both quiet and noisy environments. Lifting may require floor to waist, waist to shoulder, or shoulder to overhead movement of up to 20 pounds. This position demands tolerance for various levels of mental stress. #J-18808-Ljbffr