Network Engineer

About The Opportunity

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.

Duties And 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

Qualifications

• Education and Years of Experience: 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

Required Skills & Certifications

• Experience supporting incident response and forensic data collection
• CompTIA Security+ or equivalent certification
• Prior experience supporting federal government network environments

Background Requirements

• 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.
• Citizenship Status Required: Must be a U.S. Citizen

Physical Requirements

• None required for this position.