Job Description

Salary: $120,000 - 165,000 per year Requirements:

• We require U.S. citizenship and an active Secret clearance or higher, or immediate eligibility for reinstatement within 24 months from a prior cleared GovCon or DoD role.
• We are looking for someone with a bachelors degree in a relevant technical discipline, or equivalent training and professional experience in systems administration or security operations.
• We need a hands-on individual contributor who is focused on technical execution rather than people management.
• We expect strong Linux and Windows systems administration experience, including bare-metal and virtualized environments, with Ubuntu Server familiarity.
• We need practical network infrastructure experience, including configuring and troubleshooting firewalls, switches, VPNs, VLANs, and ACLs.
• We expect scripting and automation ability in Bash, Python, or PowerShell to support backups, patching, and compliance monitoring.
• We need working knowledge of NISPOM and NIST 800-171 / 800-53 security controls.
• We expect comfort with cloud applications, desktop software, database support, and CI/CD or automated deployment pipelines.
• We value strong communication, collaboration, and the ability to translate security processes clearly for teammates.
• We want someone who shows resilience to feedback, learns quickly, adapts processes when needed, and takes full ownership of assigned systems and documentation.

• We will rely on you to serve as the primary onsite administrator for secure air-gapped networks and local server systems in Seattle.
• You will configure, build, secure, and troubleshoot Windows and Ubuntu workstations and servers.
• You will manage local network routing, firewalls, VPNs, and central monitoring, while supporting vulnerability scan reporting.
• You will help maintain compliance with DCSA, NIST, NISP, and NISPOM requirements through clear, documented processes.
• You will coordinate local branch cloud services and on-premises tools, including Google Workspace, Slack, GitLab repositories, and LDAP user management.
• You will support desktop and infrastructure issues as the local technical point of contact for the Seattle office.
• You will manage personnel and physical security workflows, including background investigations, secure visits, and asset tracking.
• You will partner with our Corporate FSO to distribute, track, and reinforce required security training and conduct self-inspections.
• You will collaborate closely with our corporate systems and security teams to keep operations seamless and compliant.
• You will identify and solve infrastructure obstacles in a way that enables our scientists and engineers to work effectively.

• Bash
• CI/CD
• Cloud
• GitLab
• Support
• LDAP
• Linux
• Machine Learning
• Network
• PowerShell
• Python
• Security
• Slack
• Ubuntu
• Windows
• DevOps
• Firewall
• Git
• Hardware
• VPN

More:

We are ARiA, a specialized R&D firm where advanced science, acoustics, machine learning, and signal processing come together to power next-generation defense and commercial systems. We value a culture of high trust, shared accountability, continuous feedback, and mutual support rather than rigid hierarchy. This full-time, in-person role is based in our Seattle, WA office, with close collaboration across our distributed technical team and headquarters operations. We offer a competitive salary range of $120,000 to $165,000 per year, along with benefits including 401(k), 401(k) matching, dental insurance, employee assistance support, flexible scheduling, health insurance, health savings account, life insurance, paid time off, parental leave, and relocation assistance.

last updated 40 week of 2026

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