Find jobs
Pricing
Free Resume Checker
Blog
Sign in
Sign up
FIND JOBSPRICINGFREE RESUME CHECKERBLOGSIGN INSIGN UP
Intelligence Security Laboratories

Infrastructure Engineer

Salary$145k – $205k
LocationWashington, D.C.
Work modehybrid
Typefull-time
SeniorityMid
Experience4+ yrs
DepartmentTech
Company size4+ people
PostedJul 30, 2026 · 2mo ago
Verified live2h ago
At a glanceSummarised by Seekless from the posting.
Must have6
At least 4 years of personal or professional Linux systems administration experience
A relevant bachelors degree
Deep understanding of computer network concepts: 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: kernel modules, filesystems, networking
Linux system administration experience: scripting, user management, networking
Nice to have8
CI/CD Infrastructure experience
LXC, Docker, Podman
Libvirt, Proxmox (or any virtualization platform)
Administering small, custom, or airgapped networks
Homelab experience
Cybersecurity competitions (CCDC, CPTC, CyberForce, CTF, etc.)
Experience in custom or highly-regulated IT environments such as HIPAA, FERPA, FedRAMP, IL6, or JWICS
Current or past U.S. government security clearance
Skills
Linux
TCP/IP
DNS
VPN
SSL/TLS
DHCP
Firewalls
containerization
virtualization
LXC
Docker
Podman
Libvirt
Proxmox
CI/CD
Benefits
Relocation support
Medical insurance
Dental insurance
Vision insurance
Health savings account
Unlimited PTO
Training stipend
Wellness stipend
Home office stipend
Description
About the company
Intelligence Security Laboratories is a new and fast-growing non-profit working at the intersection of AI and security. We’re a small, ambitious team scaling quickly, and we’re looking for an infrastructure engineer to build on the foundation that supports our growth. In this role, you’ll design, deploy, secure, and maintain the IT and network infrastructure our organization runs on—from custom LAN and VPN configurations to containerized services to hardened, secure workstations. Because we’re building largely from scratch in a security-sensitive environment, you’ll make foundational architecture decisions early and own them as we scale. We’re looking for someone with strong experience across computer networks, operating systems, and cybersecurity who’s comfortable with ambiguity and motivated to build and maintain robust systems to support our growth.
Key Responsibilities
•
Plan, design, and deploy complex networks including custom LAN and VPN configurations.
•
Deploy and monitor various services to be used by employees and associates. (requires intimate knowledge of containerization)
•
Build custom operating system and workstation configurations within the network to ensure practical security while maintaining efficient workflows.
•
Ensure high availability by maintaining backup systems and recovery procedures.
•
Generate and maintain accurate documentation of all systems and configurations.
•
Provide support for connectivity and availability problems.
•
Collaborate with developers, infrastructure engineers, and other non-technical team members to support a high efficiency, secure workflow.
Qualifications
Required skills
•
At least 4 years of personal or professional Linux systems administration experience
•
A relevant bachelors degree
•
Deep understanding of computer network concepts:
•
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:
•
How kernel modules, filesystems, networking work, etc…
•
Linux system administration experience
•
Scripting, user management, networking
Nice-to-have experience
•
CI/CD Infrastructure experience
•
LXC, Docker, Podman
•
Libvirt, Proxmox (or any virtualization platform)
•
Administering small, custom, or airgapped networks
•
Homelab experience
•
Cybersecurity competitions (CCDC, CPTC, CyberForce, CTF, etc…)
•
Experience in custom or highly-regulated IT environments such as HIPAA, FERPA, FedRAMP, IL6, or JWICS
•
Current or past U.S. government security clearance
Compensation and Benefits
•
Salary range: $145k-$205k/annum (including a $25k DC living incentive) set according to title and role family.
•
In addition to salary:
•
Relocation support of $5k–$10k, depending on whether you’re moving domestically or internationally
•
Full medical, dental and vision cover, effective from your first day
•
HSA available
•
Unlimited paid time off. We ask everyone to take at least 20 days a year, and would encourage more
•
Stipends for training, wellness and home-office set-up
•
Up to three company retreats a year
Equal opportunities
ISL is an equal opportunity employer and welcomes applications from all qualified candidates regardless of race, colour, religion, sex, national origin, age, disability, or any other characteristic protected by applicable law.
Accommodations
If you need an accommodation at any stage of the application or interview process, please let us know and we will work with you to provide one.
Questions
If you have any additional questions about this position or would like to get in touch with us please reach out to [email protected].
More roles at Intelligence Security Laboratories
Technical RecruiterInfrastructure LeadSenior Technical Program Manager
Seekless
Seek less: one search across companies' own career pages, instead of a dozen job boards.
Product
Find jobsCompaniesPricingFree Resume Checker
Company
AboutBlog
Legal
PrivacyTermsCookies
© 2026 SEEKLESS. ALL RIGHTS RESERVED.BUILT WITH CARE