Network Engineer (Cisco & Extreme | FISMA

The Network Engineer to design, implement, secure, and maintain enterprise network infrastructure supporting mission-critical systems in a FISMA High environment. The ideal candidate has hands-on expertise with both Cisco and Extreme Networks Layer 3/4 switching platforms, high-speed backbone connectivity, and security-driven network operations., * Design, configure, and maintain Cisco and Extreme Layer 3/4 switches in a high-availability environment.

• Deploy and manage 10 Gb (and higher) uplinks, redundant paths, and resilient architectures.
• Ensure all network systems comply with FISMA High controls, documentation standards, and auditing requirements.
• Implement secure VLAN architectures, routing protocols (OSPF, BGP), and access-control mechanisms.
• Monitor network performance, troubleshoot issues, and optimize throughput and reliability.
• Collaborate with cybersecurity teams to ensure continuous compliance with federal security standards (NIST 800-53, RMF).
• Maintain configuration baselines, diagrams, and change-control documentation.
• Participate in incident response, root-cause analysis, and after-action reviews.

• 9+ years of professional experience as a Network Engineer in enterprise or federal environments.
• Expertise with Cisco IOS/XE and ExtremeXOS or Extreme Fabric solutions.
• Proven experience deploying and supporting 10 Gb (or faster) backbone links.
• Strong understanding of Layer 3/4 routing and switching, VLANs, ACLs, QoS, and network segmentation.
• Experience working in FISMA High or comparable regulated environments (DoD, NASA, DHS, etc.).
• Familiarity with NIST 800-53, RMF, and security compliance frameworks.
• Ability to obtain and maintain required clearances., * Cisco certifications (CCNA, CCNP, or equivalent).
• Extreme Networks certifications (ENSA, ENSD, etc.).
• Experience with network automation (Python, Ansible, REST APIs).
• Knowledge of firewalls, IDS/IPS, VPN technologies, and Zero Trust architecture.

Intuitive Machines is an innovative and cutting-edge space company making cislunar space accessible to both public and private customers. Our mission is to further science and exploration, communications, and economic progress from the Earth to the Moon and beyond. With multiple NASA lunar missions in development and additional private missions on our manifest, we pride ourselves in supporting NASA, our customers, and the nation in paving the way to return humans to the surface of the Moon. Our world-class team includes experts in all aspects of spacecraft subsystems design, development, and test, on-orbit operations, and safety.