Senior IT Security Engineer, Space

Costa Mesa · Costa Mesa, CA (OC-00) · USD 166,000-220,000 · 7+ years experience · Full-time · Posted Sep 23, 2026

At a glance

Architect, build, and own classified infrastructure for Anduril's Space team from the ground up as a foundational role.
Design and stand up systems, standards, and processes that the team will rely on as it scales, working at the intersection of security, infrastructure, and engineering.

Design and build classified infrastructure from scratch, including server environments, virtual platforms, networking, and enterprise services.
Define and implement STIG compliance strategies across Windows, RHEL, and VMware, using SCAP, SCC, and manual validation.
Architect and deploy virtual infrastructure (primarily VMware vSphere, and potentially vSAN and Horizon/VDI).
Build out enterprise services from the ground up, including Active Directory, DNS, DHCP, WSUS/patch repositories, and repository servers.
Develop automation frameworks using Ansible, scripting (PowerShell, Bash, Python), and infrastructure-as-code practices.
Establish monitoring, alerting, and incident response processes for system health, performance, and security posture.
Lead vulnerability remediation efforts, driving technical implementation for CAT I/II/III findings and partnering with ISSO/ISSM stakeholders.
Design and implement backup and disaster recovery strategies, defining RPO/RTO targets and validating them through regular testing.
Guide environments through the ATO process, producing documentation, compliance evidence, and technical demonstrations for security assessments.
Create comprehensive runbooks, architecture documentation, and knowledge transfer materials.

7+ years administering and hardening Windows Server and Linux (RHEL) in classified or regulated environments
Demonstrated experience building infrastructure from scratch, not just maintaining existing environments
Deep knowledge of STIG application and validation using SCAP/SCC tools, with the ability to design compliance programs
Strong VMware vSphere experience, including architecture decisions, provisioning, and patching
Experience standing up and managing Active Directory, DNS, DHCP, and enterprise patch management in new environments
Advanced scripting and automation skills (PowerShell, Bash, or Python) with hands-on Ansible experience
Eligible to obtain and maintain an active U.S. Secret security clearance

Experience architecting VMware vSAN and Horizon/VDI environments
Familiarity with engineering applications such as Siemens NX, Teamcenter, or other CAD/CAM/CAE software
Track record of leading environments through the full ATO lifecycle
Experience mentoring junior administrators or leading small infrastructure teams
Relevant certifications such as CompTIA Security+, RHCSA, RHCE, VCP, or CISSP

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