Senior Linux & Network Engineer — Automation & Uptime

Digital Cloak, LLC

Stafford (VA)

On-site

USD 90,000 - 130,000

Full time

2 days ago

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Job summary

Digital Cloak, LLC in Stafford, VA is seeking a highly skilled Linux and Network Engineer who can operate as a matrixed resource, directing multiple workstreams and prioritizing tasks to support enterprise infrastructure and client delivery.

The role requires expert Linux administration, hands-on networking with pfSense, OPNsense, Cisco and Aruba, and proficiency with Proxmox VE, Ceph storage, and Docker-based workloads. Strong automation and security experience are essential.

Qualifications

Bachelor's degree in computer science, information technology, or a related field, or equivalent 3-5 hands-on experience.
Demonstrated experience administering Linux systems and supporting networked infrastructure in a production environment.

Responsibilities

Own the full internal environment: Linux servers, enterprise applications, network infrastructure, and end-user computing.
Perform patching, maintenance, and lifecycle management across systems and network devices.
Maintain environment uptime and availability; respond to rare after-hours issues when systems are impacted.
Configure and manage routers, firewalls, switches, and wireless across pfSense, OPNsense, Cisco, and Aruba platforms.
Build, operate, and optimize the Proxmox virtualization environment, including VM provisioning, software-defined networking, and Ceph storage.
Deploy, maintain, and troubleshoot containerized services and workloads on Docker-based infrastructure.
Diagnose complex, multi-layer issues end-to-end, tracing problems to true root cause.
Design and write automation tooling in Bash and Python to streamline provisioning, monitoring, maintenance, and daily operations.
Unblock end users promptly and serve as the primary point of contact for internal IT needs.