Network Engineer

DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe. Recognized as a Top Workplace, DMI is committed to delivering secure, efficient, and cost-effective solutions that drive measurable results. Learn more at www.dminc.com

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.

• →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

Applicants selected may be subject to a government security investigation and must meet eligibility requirements for access to classified information. US citizenship may be required for some positions.

• 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