Network Engineer

About DMI 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 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. Location: Remote, United States Working at DMI DMI is a diverse, prosperous, and rewarding place to work. Our culture is shaped by five core values that guide how we work, grow, and succeed together: Do What’s Right – We lead with honesty and integrity. Own the Outcome – We take responsibility and deliver. Deliver for Our Customers – We are relentless about delivering value. Think Bold, Act Smart – We innovate with purpose. Win Together – We collaborate and celebrate our success. These values aren’t just ideals—they show up in how we support every part of your well‑being: Convenience/Concierge – Virtual health visits, commuter perks, pet insurance, and entertainment discounts that make life easier. Development – Annual performance reviews, tuition assistance, and internal career growth opportunities to help you thrive. Financial – Generous 401(k) matches, life and disability insurance, and financial wellness tools to support your future. Recognition – Annual awards, service anniversaries, referral bonuses, and peer‑to‑peer shoutouts that spotlight your achievements. Wellness – Healthcare coverage, wellness programs, flu shots, and biometric screenings to support your health. DMI values employees for their talents and contributions, and we take pride in helping our customers achieve their goals. Because when we live our values, we all win together. 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. #J-18808-Ljbffr