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
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
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
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)
o Splunk, Nginx, Confluence, Jira, Docker, Kubernetes, GitLab, and Jupyter
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.