Space Mission Security Administrator II

True Anomaly, Inc.; Denver, Long Beach (CO, CA); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Best-in-class healthcare

Generous time off with FTO and PTO

Daily catered lunch and snacks

401(k) retirement plan

Fitness reimbursement

Dog Fridays

Equity participation

Job summary

True Anomaly, Inc. seeks a Mission Security Administrator II to manage the setup, configuration, and day-to-day operation of national security space systems and classified C2 environments.

You will work hands-on to ensure compliance, security, and mission readiness while engaging directly with government customers and cross-functional teams. The ideal candidate has DoD RMF experience, strong OS admin skills (Windows/Linux), and a proactive approach to documentation, backups, and incident

Qualifications

• Active Secret clearance required (TS/SCI preferred).
• DoD 8140 IAT Level II certification (Security+, CySA+, or equivalent).
• Bachelor's degree in CS/IT/Cybersecurity or related field with 2–4 years in system administration/IT ops.
• Or Master's degree in CS/IT/Cybersecurity with no experience required.
• Hands-on experience administering Windows Server and/or Linux server environments.
• Experience with user account management, identity administration, and RBAC.
• Familiarity with configuration management, asset management, and system documentation.
• Working knowledge of RMF processes and DoD security compliance requirements.
• Strong troubleshooting and problem-solving in operational IT environments.
• Excellent communication skills and ability to work face-to-face with customers and stakeholders.

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, 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, SOPs, 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

Skills

Secret clearance

IAT Level II

Windows admin

Linux admin

RBAC / identity

RMF compliance

Security+ / CySA+

DoD security standards

Active TS/SCI (preferred)

Cloud (AWS/Azure) IAM

Configuration management

Scripting (PowerShell, Bash, Python)

Education

Bachelor's in CS/IT/Cybersecurity

Master's in CS/IT/Cybersecurity

Tools

Ansible

Puppet

Chef

SCCM

Active Directory

LDAP

PowerShell

Bash

Python

Job description

True Anomaly, Inc. seeks a Mission Security Administrator II to manage the setup, configuration, and day-to-day operation of national security space systems and classified C2 environments.

You will work hands-on to ensure compliance, security, and mission readiness while engaging directly with government customers and cross-functional teams. The ideal candidate has DoD RMF experience, strong OS admin skills (Windows/Linux), and a proactive approach to documentation, backups, and incident