Senior Network Engineer

Worker Type

Regular

• Design, implement, configure, and support enterprise network infrastructures, including routers, switches, firewalls, and security appliances.
• Install, configure, and maintain Cisco routing and switching platforms (e.g., Cisco 7600, 6500, and 3750 series or equivalent).
• Develop and translate network security requirements and policies into detailed device configurations.
• Monitor, troubleshoot, diagnose, and resolve network performance, connectivity, and security issues.
• Manage and support Cisco ASA firewalls, VPN technologies, intrusion detection and prevention systems (IDS/IPS), and network management tools.
• Design and implement enterprise‑level / ISP‑grade backbone networks to support mission‑critical operations.
• Understand and work with Cisco ACI concepts and operations, including fabric concepts and integration with existing network architectures.
• Understand basic physical connectivity, including fiber and Ethernet standards, optics, cabling, and patching.

• Design, configure, and troubleshoot Linux-based networking (e.g., routing, bridging, VLANs, iptables/nftables, routing daemons, VPNs, firewalls) in production environments.
• Configure and maintain Linux systems used as network infrastructure components (e.g., virtual routers, VPN concentrators, security gateways, monitoring platforms).
• Utilize tools and technologies such as KVM, Ansible, Bash, Python, and related automation/orchestration frameworks to deploy and manage networked Linux systems.
• Work effectively at the intersection of traditional Cisco-style networking and Linux system administration, with a particular focus on deep Linux networking rather than general‑purpose system administration alone.

• Design end‑to‑end systems that integrate Linux hosts, network equipment, and security components to meet defined operational and security requirements.
• Develop high‑quality technical documentation, including architecture diagrams, network/system design documents, and implementation plans.
• Translate mission and operational requirements into practical, implementable network and system architectures.
• Contribute to system integration, test, and validation activities for complex networked solutions.

• Lead and guide small technical teams in resolving complex network and infrastructure problems.
• Provide technical direction for the operation, configuration, optimization, and maintenance of network devices and Linux‑based systems.
• Ensure network and system environments meet security, compliance, and operational requirements.
• Support cellular/networked communications technologies as required by the mission.
• Learn and adapt quickly to new systems and technologies under pressure, with minimal supervision.
• Support occasional travel as required.

• Minimum of 15 years of experience in network engineering, including routing, switching, and network security in enterprise or mission‑critical environments.
• Significant hands‑on experience with Cisco networking and security technologies (routing, switching, firewalls, VPNs, IDS/IPS).
• Demonstrated, practical experience with Linux networking and Linux systems in an operational or production environment (beyond basic Linux system administration).
• Experience with tools/technologies such as KVM, Ansible, Bash, Python, VPN, and firewall configuration.
• Proven ability to design and document networked systems and architectures.
• Demonstrated ability to lead technical efforts and resolve complex network and infrastructure issues.
• Self‑starter capable of operating independently in small teams with limited ramp‑up time or mentoring resources.
• Active TS/SCI security clearance with polygraph.

• Prior CNO/TAO or similar offensive/defensive cyber operations experience.
• Experience with Cisco ACI design/operations.
• Experience with cellular and other non‑traditional communications technologies.
• Experience supporting mission‑critical, high‑availability environments with strict security requirements.
• Willingness and ability to travel as needed to support operations, testing,…