Note: The job is a remote job and is open to candidates in USA. DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. They are seeking a Senior Network Engineer to serve as the senior technical authority for secure network architecture and operations at a federal agency client. The role involves designing, implementing, and continuously improving a Cisco-based enterprise network in alignment with Zero Trust principles and federal compliance requirements.
Responsibilities
- Design, implement, operate, and optimize Cisco-based network infrastructure, including core, distribution, access, and edge layers for high availability, scalability, and mission resilience
- Implement and maintain network security architecture aligned with NIST SP 800-53, NIST SP 800-207 Zero Trust Architecture, and Cisco security best practices
- Engineer and enforce Zero Trust network principles, including network segmentation, micro-segmentation, and continuous verification of users and devices
- Design and implement least-privilege network access controls with role-based and identity-aware access mechanisms, including 802.1X
- Configure and maintain centralized logging, SIEM integration, and NDR tool connectivity to enhance threat detection and incident response readiness
- Conduct continuous monitoring and vulnerability assessments; coordinate remediation in alignment with NIST RMF
- Secure perimeter and public-facing assets through ingress/egress filtering, firewall rule optimization, and MFA for administrative access
- Lead security assessments, audits, and compliance reviews; continuously evaluate and enhance network security posture through emerging best practices
- Serve as senior technical advisor to stakeholders; collaborate with cybersecurity, cloud, and operations teams to resolve complex issues and improve architecture
- Support incident response with network-level analysis, containment actions, and forensic data collection
Skills
- Bachelor's degree in Computer Science, Information Technology, or a related field; relevant experience and Cisco 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 designing and implementing NIST SP 800-53 and NIST SP 800-207 Zero Trust network architectures in enterprise environments
- Expert-level proficiency with Cisco routing, switching, and firewall platforms; advanced experience with VLANs, DNS, DHCP, and VPNs
- Experience in engineering and managing 802.1X network access control and identity-aware network security
- Experience configuring centralized logging and integrating with enterprise SIEM and NDR platforms
- Experience leading or participating in security assessments, audits, and compliance reviews
- Cisco CCNP or CCIE (or equivalent) certification
- 7+ years of enterprise network engineering experience, including at least 3 years in a senior or lead engineering role
- Experience integrating SIEM and NDR platforms for real-time threat detection and alerting
- Experience supporting or leading incident response operations
- Prior experience in a federal government network engineering environment
- Public Trust Tier 2 clearance required
- Must be a U.S. Citizen
Benefits
- Virtual health visits, commuter perks, pet insurance, and entertainment discounts that make life easier.
- Annual performance reviews, tuition assistance, and internal career growth opportunities to help you thrive.
- Generous 401(k) matches, life and disability insurance, and financial wellness tools to support your future.
- Annual awards, service anniversaries, referral bonuses, and peer-to-peer shoutouts that spotlight your achievements.
- Healthcare coverage, wellness programs, flu shots, and biometric screenings to support your health.
Company Overview
DMI is a leading provider of digital services and technology solutions with a focus on end-to-end managed services, including managed mobility, cloud, cybersecurity, network operations, and application development. It was founded in 2002, and is headquartered in Bethesda, Maryland, USA, with a workforce of 1001-5000 employees. Its website is http://dminc.com.