Infrastructure Engineer — Linux, Networking & Secure Systems

Intseclab; Washington, Northern (District of Columbia, KY); Hybrid; USD 145,000 - 205,000; Full time

Benefits offered by this job

Relocation support

Medical/dental/vision coverage

HSA

Unlimited PTO

Training stipends

Home-office setup stipend

Company retreats

Job summary

Intelligence Security Laboratories is seeking an experienced infrastructure engineer to design, deploy, secure, and maintain our IT and network infrastructure as we scale. You will own foundational architectural decisions, from LAN/VPN designs to containerized services and hardened workstations.

The role requires strong Linux skills, networking expertise, and a security-minded mindset. As part of our fast-growing non-profit team, you will help implement robust systems, drive reliability, and

Qualifications

• 4+ years of Linux systems administration experience.
• Bachelor's degree in a related field.
• Strong understanding of TCP/IP, LAN/WAN, DNS, VPN, SSL/TLS, Routing, DHCP, OSI model, Firewalls.
• Hands-on experience with containerization/virtualization platforms.
• Understanding of the Linux operating system and kernel internals.

Responsibilities

• Plan, design, and deploy complex networks including LAN and VPN configurations.
• Deploy and monitor services used by employees and associates with containerization in mind.
• Create custom operating system/workstation configurations to balance security with usability.
• Maintain backups and recovery procedures for high availability.
• Document systems and configurations accurately and completely.
• Provide support for connectivity and availability issues.
• Collaborate with developers and other teams to enable secure, efficient workflows.

Skills

Linux system administration

Networking concepts

Scripting

Security practices

Education

Bachelor's degree

Tools

Docker

Podman

LXC

Libvirt

Proxmox

Job description

Intelligence Security Laboratories is seeking an experienced infrastructure engineer to design, deploy, secure, and maintain our IT and network infrastructure as we scale. You will own foundational architectural decisions, from LAN/VPN designs to containerized services and hardened workstations.

The role requires strong Linux skills, networking expertise, and a security-minded mindset. As part of our fast-growing non-profit team, you will help implement robust systems, drive reliability, and