Network Engineer

DMI•Remote,

4d•Remote

About The Position

DMI is seeking a Network Engineer to provide implementation and operational support for secure network infrastructure at a federal agency client. You will work within a Cisco-based enterprise environment supporting the configuration, hardening, and continuous monitoring of network infrastructure in alignment with Zero Trust principles and federal cybersecurity standards.

Requirements

Bachelor's degree in Computer Science, Information Technology, or a related field; relevant experience and certifications may be considered in lieu of a degree.
Professional certifications in network engineering or cybersecurity, maintained continuously for a minimum of 5 years
Experience implementing NIST SP 800-53 and NIST SP 800-207 Zero Trust Architecture in enterprise network environments
Proficiency with Cisco routing, switching, and firewall platforms; hands-on experience with VLANs, DNS, DHCP, and VPNs
Experience implementing and managing 802.1X network access control
Experience in configuring network device logging and forwarding logs to enterprise SIEM platforms
Cisco CCNP or equivalent certification
3+ years of enterprise network engineering experience
Experience supporting incident response and forensic data collection
CompTIA Security+ or equivalent certification
Prior experience supporting federal government network environments
Must possess or be eligible to obtain and complete a Public Trust background investigation and/or a Public Trust clearance.
Public Trust Tier 2 clearance required.
Must be a U.S. Citizen

Responsibilities

Support implementation, operation, and optimization of Cisco-based network infrastructure, including core, distribution, access, and edge layers
Implement and maintain network security controls aligned with NIST SP 800-53 and NIST SP 800-207 Zero Trust Architecture
Configure and manage routing, switching, and network services, including VLANs, DNS, DHCP, and VPNs; maintain secure configurations aligned with organizational standards
Manage 802.1X port-based network access control to enforce authentication at the network edge
Configure and maintain centralized logging for all network devices; ensure log forwarding to enterprise SIEM platforms in compliance with retention requirements
Conduct continuous monitoring and vulnerability assessments of network infrastructure; coordinate remediation in alignment with NIST RMF
Participate in change management processes; maintain network diagrams, SOPs, and configuration documentation
Serve as technical advisor for complex service desk escalations; collaborate with cloud, Microsoft, and cybersecurity engineering teams
Support incident response activities, including network-level analysis, containment actions, and forensic data collection