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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IT Network Engineer - **Company:** Castelion Corporation - **Location:** Rio Rancho, NM, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** IEEE 802.1X, Border Gateway Protocol, VoIP, Complex Networks, CompTIA Security+, Enhanced Interior Gateway Routing Protocol, Networking Hardware, Virtual Private Networks (VPN), Multi-protocol Systems, Network Architecture, Network Protocols, Open Shortest Path First (OSPF), Windows PowerShell, Ansible, Zero Trust Network Access, TCP/IP, Wide Area Networks, Wireless Access Point, Wireless Networks, Network Routers, HybridCloud, Firewalls (Computer Science), Information Technology, SDN Network, Puppet, Terraform - **Published:** July 28, 2026 - **Apply:** https://www.dice.com/job-detail/7d2163ec-1040-4dc5-8ad8-51639426dabf ## About the Role We are seeking a highly skilled Network Engineer at our Rio Rancho, NM s to implement, manage, and maintain network infrastructures supporting our mission-critical systems. The ideal candidate will bring deep technical knowledge of networking protocols and architecture, an understanding of cybersecurity requirements (e.g., DISA STIGs, hardening, zero trust), and proven experience operating in a fast paced, growing organization. This role will align well with a candidate experienced working in a manufacturing campus setting. An independent, autonomous self-starter personality is a must., * Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience). * 3+ years of experience in network engineering roles, preferably in fast-paced companies, startup, defense, or government environments. * Strong knowledge of networking protocols (TCP/IP, BGP, OSPF, EIGRP, MPLS). * Hands-on experience with hardware: firewalls, switches, wireless access points, and power. * Experience applying controls as directed by cybersecurity frameworks (RMF, STIGs, NIST, CMMC). * Strong documentation and communication skills. * Strong experience with SD-WAN and software-defined networking (SDN)., * Industry certifications such as CompTIA Security+, CISSP, or CCNA. * Experience with 802.1x and RADIUS for wired and wireless networks. * Experience supporting classified networks. * Experience with automation tools (Ansible, Terraform, Puppet, PowerShell DSC). * Understanding of Zero Trust architecture and secure enclave designs. * Active Security Clearance ## Description * Design, deploy, and maintain secure and scalable enterprise network infrastructures, including LAN, WAN, VPN, VoIP, and wireless. * Collaborate with network team lead, management, cybersecurity, and systems administration teams teams to enable and secure the corporate, OT, guest, and other networks * Maintain modern hybrid cloud network infrastructure, including workloads on-premises, in major cloud providers, and in the field. * Configure and manage routers, switches, firewalls, and other network devices from common major vendors. * Implement and maintain system hardening in compliance with DoD STIGs, NIST frameworks, CMMC, and more. * Perform troubleshooting and root cause analysis of complex network issues in a multitude of environments. * Develop and maintain network documentation, diagrams, and standard operating procedures. * Participate in audits, accreditation, and certification processes. * Support deployments and field operations, including as-needed travel (5-10%) to other Castelion sites. ## 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) - [Automate everything via NodeJS and Puppeteer](https://www.wearedevelopers.com/videos/322-automate-everything-via-nodejs-and-puppeteer) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-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) - [What Makes WeAreDevelopers World Congress Different From Every Other Tech Event?](https://www.wearedevelopers.com/magazine/701-what-makes-wearedevelopers-world-congress-different-from-every-other-tech-event) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)