Infrastructure Engineer – Secure Network & Linux

Intelligence Security Laboratories; Washington (District of Columbia); On-site; USD 145,000 - 205,000; Full time

Benefits offered by this job

Salary range $145k-$205k per year

Relocation support

Medical, dental and vision coverage

HSA

Unlimited PTO

Training stipends

Company retreats

Job summary

Intelligence Security Laboratories is building a robust IT and network foundation for a fast-growing non-profit focused on AI and security. The infrastructure engineer will design, deploy, secure, and maintain our IT stack—from custom LAN/VPNs to containerized services and hardened workstations.

You’ll own foundational architecture, tackle security-sensitive environments, and collaborate with developers and non-technical staff to keep systems reliable and scalable as ISL grows.

Qualifications

• At least 4 years of Linux systems administration experience.
• A relevant bachelor’s degree.
• Strong understanding of TCP/IP, LAN/WAN, DNS, VPN, SSL/TLS, Routing, DHCP, OSI model, Firewalls.
• Hands-on containerization/virtualization experience.
• Understanding of the Linux kernel, filesystems, networking, and Linux administration.
• Scripting and user management experience.

Responsibilities

• Plan, design, and deploy complex networks including custom LAN and VPN configurations.
• Deploy and monitor containerized services for employees and partners.
• Build custom OS/workstation configurations with strong security and efficient workflows.
• Maintain high availability with backup systems and recovery procedures.
• Document all systems and configurations accurately.
• Provide connectivity and availability support and troubleshoot issues.
• Collaborate with developers and other teams to support secure, efficient workflows.

Skills

Linux systems administration

Computer networks

Containerization

Linux OS

Scripting

Networking fundamentals

Education

Bachelor's degree

Tools

Docker

Podman

LXC

Libvirt

Proxmox

KVM

Job description

Intelligence Security Laboratories is building a robust IT and network foundation for a fast-growing non-profit focused on AI and security. The infrastructure engineer will design, deploy, secure, and maintain our IT stack—from custom LAN/VPNs to containerized services and hardened workstations.

You’ll own foundational architecture, tackle security-sensitive environments, and collaborate with developers and non-technical staff to keep systems reliable and scalable as ISL grows.