True Anomaly
Mission Security Administrator II
Denver, CO · Long Beach, CA
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hirly's read of this role
- Seniority
- Mid level
- Country
- US
- Work mode
- On-site / unstated
- First seen by hirly
- 21 Oct 2026
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the posting
Space is a warfighting domain. True Anomaly seeks those with the talent and ambition to build the technology that secures it.
OUR MISSION
True Anomaly delivers decisive capabilities for space superiority. We build autonomous spacecraft, advanced payloads, mission software, and space-based interceptors — enabling the U.S. and its Allies to secure the space environment and counter threats from the ultimate high ground.
OUR VALUES
Be the offset. We create asymmetric advantages with creativity and ingenuity.
What would it take? We challenge assumptions to deliver ambitious results.
It’s the people. Our team is our competitive advantage and we are better together.
BENEFITS & PERKS *
Best-in-class healthcare: 100% company-paid medical, dental, and vision coverage for you and your dependents, with HSA/HRA options
Generous time off: Flexible Time Off (FTO) for exempt employees, accrued PTO of up to 25 days for non-exempt employees, plus 12 paid holidays; Parental Leave; Sick Leave
Fuel for your day: Daily catered lunch and unlimited snacks for in-office employees
And more: 401(k) retirement plan, fitness reimbursement, and Dog Fridays
Equity participation: Equity is included as part of our total compensation package, giving you an opportunity to share in the company’s success.
*Do not apply to fixed term and temporary roles
YOUR MISSION
As a Mission Security Administrator II, you will be responsible for the setup, configuration, maintenance, and day-to-day administration of national security space systems, classified ground-based Command and Control (C2) infrastructure, and engineering environments critical to our mission.
This is a hands-on operational role focused on implementing, maintaining, and administering classified systems, understanding and ensuring compliance requirements, and working face-to-face with customers daily. You will be the technical operator ensuring classified systems function reliably, remain compliant, and support mission objectives without interruption.
We are looking for candidates with practical experience broadly across the following areas:
System administration (Windows/Linux server environments)
User administration, identity, RBAC and software tool oversight
Cloud platform administration (AWS/Azure)
Patch management and configuration management
Software and hardware asset management, configuration management and documentation
Backup and disaster recovery operations
You will work alongside Mission Security Engineers, IT professionals and cross-functional teams to operationalize security architecture, maintain Authorization to Operate (ATO) posture, and ensure classified systems remain operational and compliant with federal security standards. You will be a trusted operator responsible for the hands-on work that keeps mission systems secure and operational.
This is an ideal role for a security-focused system administrator with strong technical operational skills who thrives in a structured compliance environment and wants to support critical national security missions. If you take pride in maintaining secure, compliant, and reliable systems that protect lives and national interests, join our team.
RESPONSIBILITIES
Set up, configure, and maintain classified C2 systems, engineering environments, and supporting infrastructure
Administer and maintain Windows and Linux servers in classified environments, ensuring operational availability and security compliance
Manage user accounts, identities, role-based access controls (RBAC), and permissions across classified systems
Configure and maintain cloud infrastructure in AWS or Azure, including IAM, networking, compute, and storage resources
Perform routine system administration tasks including software installations, updates, patch management, and system troubleshooting
Maintain accurate software and hardware asset inventories, configuration baselines, and system documentation
Execute configuration management practices to ensure systems remain in compliance with approved baselines
Perform routine backup operations, verify backup integrity, and support disaster recovery testing
Support RMF compliance activities including evidence collection, documentation, and remediation tracking
Remediate findings from vulnerability assessments, security audits, and compliance scans to maintain ATO posture
Create and maintain technical documentation including system configurations, user guides, standard operating procedures, and runbooks
Provide technical support and direct customer engagement to resolve system issues and respond to operational needs
Coordinate with government customers, ISSOs, ISSEs, and assessment teams during ATO and continuous monitoring activities
Participate in on-call rotation for system administration support and mission-critical system availability
REQUIRED QUALIFICATIONS
Active Secret clearance required (TS/SCI preferred)
DoD 8140 IAT Level II certification (Security+, CySA+, or equivalent) required
Education and experience requirement (one of the following):
◦ Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or related field AND 2–4 years of experience in system administration, IT operations, or security operations
◦ Master's degree in Computer Science, Information Technology, Cybersecurity, or related field (no experience required)
Hands-on experience administering Windows Server and/or Linux server environments
Experience with user account management, identity administration, and role-based access control (RBAC)
Familiarity with configuration management, asset management, and system documentation practices
Working knowledge of RMF processes and DoD security compliance requirements
Strong troubleshooting and problem-solving skills in operational IT environments
Excellent communication skills and ability to work face-to-face with customers and stakeholders
PREFERRED QUALIFICATIONS
Active TS/SCI clearance (or TS/SCI with polygraph)
Experience supporting DoD or IC mission systems in classified environments
Experience in customer-facing technical support or system administration roles
Experience with IL-5 or IL-6 impact level cloud environments (AWS GovCloud, Azure Government)
Experience with Active Directory, LDAP, or other identity management systems
Familiarity with IT service management (ITSM) tools and ticketing systems
Experience with configuration management tools (Ansible, Puppet, Chef, SCCM)
Hands-on experience implementing DISA STIGs and security baselines
Knowledge of NIST SP 800-53 security controls and how they apply to system administration
Familiarity with space system operations including satellite C2 and ground infrastructure
Experience with backup solutions (Veeam, Commvault, AWS Backup, Azure Backup)
Additional DoD 8140 certifications (e.g., CISSP, CISM, Server+, Linux+)
Scripting skills (PowerShell, Bash, Python) for automation and task efficiency
WORK ENVIRONMENT
This role will be onsite in Denver, CO (preferred) or Long Beach, CA #LI-Onsite
Fast-paced, mission-critical environment supporting national security space operations
Hands-on technical role with significant customer interaction and operational responsibilities
Daily face-to-face engagement with government customers, engineering teams, and mission stakeholders
Requires coordination with Mission Security Engineers, IT professionals, spacecraft engineers, and government partners
Requires participation in on-call rotation for system administration support and mission-critical system availability
Work is performed in Sensitive Compartmented Information Facilities (SCIFs) and other classified spaces
Occasional travel to government sites, customer facilities, or partner locations may be required
WHAT WE OFFER
Competitive salary commensurate with experience and clearance level
Op
Listed on hirly, a job board. hirly is not the employer: True Anomaly is hiring for this role.
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