Network Engineer

All Native Group•Washington, DC

32d•Onsite

About The Position

All Native Group, a division of Ho Chunk Incorporated, is seeking a Network Engineer to provide engineering and operational support for the Congressional Budget Office's (CBO) Cisco-based enterprise network. The Network Engineer designs, implements, and maintains secure network architectures that enforce Zero Trust principles, including network segmentation, micro-segmentation, and least-privilege access controls, while hardening and continuously monitoring switches, routers, and perimeter systems in accordance with federal security standards and Cisco best practices. This role supports the remediation of identified Incident Response findings and strengthens the security, reliability, and resilience of the network infrastructure.

Requirements

Strong knowledge of Cisco enterprise routing and switching.
Working understanding of Zero Trust architecture and network access control.
Analytical troubleshooting and root cause analysis.
Clear written and verbal communication and documentation discipline.
Ability to work with minimal supervision in a change-controlled environment.
Minimum of 5 years of professional network engineering experience in an enterprise Cisco environment.
Demonstrated experience with 802.1X, VLAN segmentation, DNS/DHCP, VPNs, and firewall management.
Experience implementing NIST SP 800-53 and NIST SP 800-207 aligned controls.
Experience supporting SIEM log forwarding and vulnerability remediation workflows.
Bachelor's degree in Information Technology, Computer Science, or a related field, or equivalent professional experience.
Cisco Certified Network Associate (CCNA) required
Must be a U.S. citizen or permanent resident.
Position requires a Public Trust Tier 2 clearance.
Selected candidate must obtain favorable FBI criminal history and fingerprint checks conducted through the U.S. Capitol Police prior to starting work, and pass a background check to access the CBO network.

Nice To Haves

Cisco Certified Network Professional (CCNP Enterprise) preferred.
Certifications (or their equivalent prior certifications) should have been maintained for a minimum of 5 years. Expired certifications or certifications never used professionally will not be considered.

Responsibilities

Support the implementation, operation, and optimization of CBO's Cisco-based network infrastructure across core, distribution, access, and edge layers to ensure reliability, performance, and availability.
Implement and maintain network security controls aligned with NIST SP 800-53 (AC, CM, SC, and AU control families) and NIST SP 800-207 Zero Trust Architecture.
Enforce Zero Trust principles through network segmentation, micro-segmentation, and continuous verification of users and devices.
Design and implement least-privilege, role-based, and identity-aware network access controls across all network layers.
Manage 802.1X port-based network access control to prevent unauthorized device connectivity and enforce authentication at the network edge.
Configure, manage, and troubleshoot routing, switching, and network services including VLANs, DNS, DHCP, and VPNs.
Configure and maintain centralized logging and audit capabilities, forwarding logs to enterprise SIEM platforms in accordance with retention requirements.
Support network device patching, firmware updates, and vulnerability remediation to keep infrastructure secure and compliant.
Harden network devices using secure configuration baselines (e.g., Cisco Secure Configuration Guides), disabling unnecessary services and securing management interfaces.
Support incident response with network-level analysis, containment actions, and forensic data collection.
Develop and maintain Network Standard Operating Procedures (SOPs), configuration baselines, and network diagrams; conduct annual reviews and updates.
Perform root cause analysis for network incidents and support continuous, real-time (24/7) monitoring integrations.
Serve as a technical adviser for complicated service desk tickets, collaborating with cloud, Microsoft engineering, and cybersecurity teams.