Network Engineer - Top Secret Clearance Required

Network Engineer - Senior

Bachelors degree is required

Minimum 8 years experience

This role leads 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.

Unique Skills / Technical Requirements

• 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

Key Responsibilities

• 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 skills:

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.

Preferred skills:

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.