Millennium Space Systems · 1 day ago
Linux System Administrator
Seal Beach, CA
Full-time
Onsite
Entry, Mid Level
$79K/yr - $133K/yr
2+ years expMillennium Space Systems is a part of The Boeing Company, seeking an early career Linux System Administrator to support Proprietary Programs in Seal Beach, CA. The role involves assisting in installations, performing environment set-up, and maintaining operational readiness with various operating systems and hardware interfaces.
AerospaceSpace Travel
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Assist with installation, configuration, and management of Red Hat Enterprise Linux (RHEL) and AWS environments to ensure optimal performance and security
Collaborate with teams to integrate AWS services, enhancing system capabilities and operational efficiency
Ensure compliance with advanced security directives, including the Joint Special Access Program Implementation Guide (JSIG) and Risk Management Framework (RMF)
Support system lifecycle management activities, including system provisioning, patching, and maintenance of RHEL environments to ensure optimal performance and security
Perform user administration to manage user access in accordance with security policies and support problem resolution
Engage in on-the-job training, including self-study, mentor/mentee relationships, and hands-on learning to develop your skills in Linux and cloud technologies
Collaborate with cross-functional teams to support program objectives in an Agile environment
Qualification
Required
Possess a currently active Top Secret with SCI US Security Clearance (TS/SCI), or have completed a Tier 5 (T5), formerly known as a Single Scope Background Investigation (SSBI) by the federal government within the past 5 years
Experience working with Linux
Experience installing, configuring, troubleshooting, and administering support for Linux (RHEL) server or workstation
Ability to obtain security certifications such as Security+ (Sec+) or equivalent IAT Level 2 certifications per DoD Instruction 8570 (8140)
Bachelor of Science degree in Engineering, Engineering Technology (including Manufacturing Technology), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement
This position requires an active Top Secret U.S. Security Clearance (U.S. Citizenship Required). (A U.S. Security Clearance that has been active in the past 24 months is considered active.)
This position requires the ability to obtain program access, for which the U.S. Government requires U.S. Citizenship only
Preferred
Cybersecurity experience or knowledge
Threat management experience or knowledge
Security hardening experience or knowledge
User access and identity management experience or knowledge
Benefits
Health insurance
Flexible spending accounts
Health savings accounts
Retirement savings plans
Life and disability insurance programs
Programs that provide for both paid and unpaid time away from work
Company
Millennium Space Systems
Millennium Space Systems, a provider of agile, flight-proven small-satellite solutions.
501-1000 employees
Funding
Current Stage
Late StageTotal Funding
unknown2018-08-16Acquired
Leadership Team
Robert Jacobsen
Chief Financial Officer
Shasta Noble
Chief Financial Officer
Recent News
Spaceflight Now
2025-09-30
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2025-09-27
2025-09-17
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