4582 Network Engineer Senior4582 | Top Secret
Job Description:OVERVIEW: We are seeking a Network Engineer Senior to lead the design, implementation, and optimization of resilient, secure network infrastructures supporting mission-critical operations. The SME provides strategic and technical leadership in network modernization, security architecture, and performance optimization while ensuring secure and reliable communications across complex, multi-enclave environments.
Key Responsibilities: • Networking
o Cisco: Switching, Routing, Firewalling, and Site-to-site functionality (such as IPSEC,
DMVPN, and SD-WAN)
o Arista: Switching
o Tunneling & VPNs: GRE, IPSEC, SSH, SSL, OpenVPN, Wireguard, and specialized
multi-tiered applications
o Virtual Distributed Switching: VMWare, Proxmox, and Nutanix
o Solutions & Hardware: Client-Server VPNs, Site-to-site VPNs, and ad-hoc vendors
or equipment
• Virtualization / Hyper-Converged Infrastructure
o VMWare / Broadcom: ESXi (vSphere), vCenter, VSAN, VxRail, Cluster
management, and Licensing
o Proxmox: Host and cluster configuration/management, Networking, and Ceph
configuration/management
o Nutanix: Host and cluster configuration, management with Prism Central, and NDFS
configuration/management
• Large Data Storage Technologies
o Hardware/Vendors: QNAP, Synology, TrueNAS, and NetApp
o File Transport Protocols: Samba, SSH, SFTP, and NFS
• Monitoring & Security
o Monitoring: Network-based and Host-based collection and monitoring
o Alerting & Scanning: Internal and external alerting (including SMTP configuration),
and Active vulnerability scanning (such as Nessus)
o SIEM: Splunk familiarity
• System Administration
o Operating Systems: Linux (e.g., Rocky, RedHat, Amazon, Ubuntu), Windows, and
Mac OS
o Identity & Access Management: IPA / FreeIPA, LDAP / OpenLDAP, Keycloak, and
Linux-based SSSD host-based access control (HBAC)
• Applications
o Splunk, Nginx, Confluence, Jira, Docker, Kubernetes, GitLab, and Jupyter
• Specialized Skillsets
Advanced Networking: Multi-tiered
• Design and implement enterprise network architectures that support secure, mission-critical operations.
• Lead zero-trust network design initiatives and cross-enclave interoperability solutions.
• Optimize network performance, reliability, and security across complex, multi-enclave environments.
• Establish and enforce network security architecture standards and governance processes.
• Drive network modernization efforts aligned with enterprise strategy and zero-trust principles.
• Ensure secure communications and connectivity across classified and highly regulated environments.
• Provide technical leadership for network infrastructure planning and implementation.
• Partner with security, architecture, and operations teams to maintain resilient network systems.
REQUIRED QUALIFICATIONS: - Extensive experience designing and supporting enterprise network environments.
- Strong expertise in routing, switching, firewalls, VPNs, network security, and access control technologies.
- Experience implementing zero-trust architectures and secure communications solutions.
- Advanced troubleshooting and network performance analysis skills.
- Experience supporting mission-critical, highly secure, or regulated environments.
- Strong leadership, communication, and technical documentation skills.
DESIRED QUALIFICATIONS: - Master's degree in Information Technology, Network Engineering, Cybersecurity, or related field.
- Experience supporting federal, defense, intelligence, or classified network environments.
- Expertise with multi-enclave or cross-domain network architectures.
- Experience with cloud networking, software-defined networking (SDN), and hybrid cloud environments.
- Knowledge of security accreditation processes and compliance frameworks.
- Relevant certifications such as CCNP, CCIE, CISSP, JNCIP, JNCIE, AWS Advanced Networking, or equivalent
CLEARANCE: - Minimum Top Secret with willingness to get CIP
Job Details City : Chantilly
State : VA
