Support the engineering, implementation, sustainment, and troubleshooting of secure enterprise and mission networks across Cisco, Juniper, HP/Aruba, and Palo Alto environments. This senior-level role emphasizes hands-on network engineering, operational sustainment, infrastructure modernization, and security compliance in complex government networks.
Key ResponsibilitiesNetwork Engineering & Operations- Engineer and sustain LAN/WAN infrastructure across multi-vendor environments.
- Support advanced routing, switching, transport, and security technologies in support of enterprise operations.
- Troubleshoot network issues, perform fault isolation, support incident response, and maintain reliable network performance.
- Support traffic analysis, system monitoring, bandwidth optimization, and operational improvements across enterprise environments.
- Work across routing, switching, wireless, and security technologies to support day-to-day operations and long-term stability.
- Implement secure network designs aligned with DISA STIGs, ATO requirements, and government security policies.
- Support firewall, segmentation, and boundary protection efforts, including Palo Alto environments.
- Support technology refreshes, upgrades, migrations, and modernization initiatives.
- Develop architecture diagrams, technical documentation, and implementation support materials.
- Evaluate and recommend improvements to enhance network performance, resilience, and standardization.
- Execute network changes, maintenance activities, and approved engineering updates.
- Perform hands-on implementation and sustainment support for infrastructure enhancements and technology refreshes.
- Troubleshoot and resolve complex issues in coordination with operations teams and vendor support.
- Support operational readiness and continuity across enterprise and mission network environments.
- Bachelor’s degree in related field or equivalent experience.
- 10 years of network engineering or network operations experience.
- Hands-on experience with Cisco, Juniper, HP/Aruba, and Palo Alto technologies.
- Experience supporting secure enterprise network environments, including routing, transport, and network security technologies.
- Current DoD 8570 IAT II certification required.
- Current CCNA (or equivalent) required.
- Active TS/SCI with ability to obtain and maintain a CI Polygraph.
- CCNP, JNCIS/JNCIP, Palo Alto, Aruba, or similar advanced certifications preferred.
- Experience in DoD or Intelligence Community environments.
- Experience supporting TAC, NOC, transport engineering, or enterprise network operations.
Skills Required
- Bachelor's degree in a related field or equivalent experience
- 10 years of network engineering or network operations experience
- Hands-on experience with Cisco, Juniper, HP/Aruba, and Palo Alto technologies
- Experience supporting secure enterprise network environments, including routing, transport, and network security technologies
- Current DoD 8570 IAT II certification
- Current CCNA or equivalent certification
- Active TS/SCI clearance
- Ability to obtain and maintain a CI polygraph
- CCNP, JNCIS/JNCIP, Palo Alto, Aruba, or similar advanced certifications
- Experience in DoD or Intelligence Community environments
- Experience supporting TAC, NOC, transport engineering, or enterprise network operations
What We Do
Mantis Security provides purpose-built cybersecurity solutions that safeguard some of the nation's most sensitive information assets. Our security consultants work with data owners and system developers to provide modern security approaches in software systems architectures and security engineering while maintaining the traditional cornerstone of information assurance. Our solutions balance security and functionality objectives to ensure that your sensitive data remains well-protected while empowering users to focus on mission accomplishment. Mantis Security provides expertise in Application Security Testing, Information Assurance, Security Engineering, Cloud Security, DevSecOps, Cyber Data Science, Security Architecture, Cyberspace Operations, and Critical Infrastructure Security. Mantis Security is an AWS Partner and a CMU/SEI Partner for Insider Threat Vulnerability Assessments. http://www.mantis-security.com
