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Senior Systems Administrator, USG Program

Astranis · San Francisco

onsitesenior$135,000–$135,000Posted Oct 29, 2026AWSAzureNode.jsNessusSTIGSCAPeMASSACAS

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About this role

**Astranis — Senior Systems Administrator (USG Program)** Astranis builds advanced satellites for high orbits, providing dedicated, secure networks for highly-sophisticated customers across the globe, including large enterprises, sovereign governments, and the US military. --- ## Role The System Administrator (JWICS/CWAN) is responsible for the secure administration, operation, maintenance, configuration, and troubleshooting of information systems operating within a **TS/SCI classified environment**, including **JWICS, CWAN, and associated National Security Systems (NSS)**. You will provide hands-on technical support for **classified servers, workstations, network devices, applications, and supporting infrastructure**, ensuring systems are securely configured, maintained, monitored, and operated in accordance with applicable **Dow, Intelligence Community (IC), customer, RMF, cybersecurity, COMSEC, and classified-information security requirements**. You will work closely with the **ISSM, COMSEC, Industrial Security, Physical Security**, and government/customer technical representatives to maintain security and operational availability. --- ## Responsibilities ### Classified System Administration - Administer, configure, maintain, and troubleshoot **JWICS, CWAN, and associated TS/SCI systems** - Perform system administration on **classified servers, workstations, network devices, and supporting infrastructure** - Install and maintain **authorized operating systems, applications, patches, and security updates** - Manage **user accounts, permissions, privileged accounts, system services, and system resources** - Troubleshoot **hardware, software, authentication, network connectivity, and system-performance issues** - Support **system upgrades, technology refreshes, hardware replacement, and system decommissioning** - Maintain **system availability** while ensuring required security controls remain in place ### Cybersecurity & System Security - Implement and maintain approved security configurations and **STIGs (Security Technical Implementation Guides)** - Support **vulnerability identification, remediation, patch management, and configuration compliance** - Maintain system security logs and support **security monitoring and audit requirements** - Identify and immediately report **security incidents, unauthorized activity, vulnerabilities, or anomalous behavior** - Enforce **least privilege**, separation of duties, and controlled administrative access - Maintain **current CompTIA Security+ (or equivalent)** in compliance with **DoD Directive 8140** - Experience supporting **classified system accreditation** and cybersecurity compliance activities --- ## Bonus (Preferred) - **SCI and/or Special Access Program (SAP)** experience - Previous **COMSEC Custodian** or **COMSEC Manager** experience - Experience supporting **DCSA Security Reviews** and government inspections - Experience with **eMASS, ACAS, Nessus, SCAP**, or similar cybersecurity tools - **CISSP, CISM**, or equivalent cybersecurity certification - Government **COMSEC training and certification** - Experience with **AWS or Azure Classified Cloud** --- ## What we offer - Compensation package includes **equity** and robust benefits - **Base pay range:** **$135,000 — $205,000 USD** - Incentive stock options, company-subsidized healthcare, disability and life insurance, **401(k)**, flexible PTO, and free on-site catered meals --- ## Eligibility **U.S. Citizenship, Lawful P

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