System Administrator; Experienced or Senior

System Administrator (Experienced or Senior)

Company:
The Boeing Company, Boeing Defense, Space, and Security (BDS) seeks a System Administrator to serve on the Global Positioning System (GPS) IIF program, within our Space, Intelligence & Weapon Systems (SIWS) division located in El Segundo, CA.

GPS is a satellite-based radio‑navigation system owned by the United States government and operated by the United States Space Force. It provides position, navigation, and timing (PNT) data to military and civilian users worldwide. The Boeing GPS sustainment team supports the U.S. Space Force by sustaining and monitoring the health of the 12 GPS Block IIF satellites launched from 2010 to 2016.

• Support critical GPS IIF satellite systems as an individual contributor on a high‑performing team.
• Perform system integration, configuration management, security, and maintenance activities across hardware, software, and domain components supporting the GPS architecture.
• Provide technical support for classified systems, perform system validation and configuration management tasks, and monitor system performance to support mission reliability.
• Perform data integrity functions and system administration in a medium‑sized Windows Enterprise Domain architecture, including basic Active Directory/LDAP management.
• Manage monthly patching and system updates across Solaris, RHEL, and Windows systems.
• Perform security hardening in accordance with DISA STIG, Boeing best practices, and port security guidelines.
• Conduct vulnerability and compliance management using Nessus and SCC tools, track and remediate open Cyber/IA items and POA&M discrepancies, maintain compliance documentation (CAIRO, ACP, NIST 800-53, NIST 800-171, STIG), and prepare manual STIG checklists for inspections.
• Install, configure, monitor, and maintain multiplatform systems, hardware, software, virtual machines, and cybersecurity tools (Nessus, Splunk, Trellix).
• Contribute automation, data analytics, and creative solutions that improve operations while meeting cybersecurity requirements.
• Support network device configuration and documentation, including diagram updates, port and device mapping, and security baseline maintenance.
• Perform hardware and software reliability integration and system configuration monitoring to support system performance and mission operations.
• Manage service and software deployments and upgrades, including vulnerability identification, resolution, testing, and integration.
• This position is expected to be fully onsite in El Segundo, CA.

• Active 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.)
• Minimum years of related experience: 3+ for level 3, 5+ years for level 4.
• Current Security+ (Sec+) certification or other current IAT level II DoD 8140 (previously 8570) approved baseline certification.
• Cybersecurity technical experience.
• Willing and able to travel up to 10% domestically.
• Willingness and ability to relocate at own expense if not within commuting distance of El Segundo, CA.

• Experience analyzing, developing, and maintaining automation and scripting tools.
• Experience planning, designing, and integrating computer applications and components for enterprise releases.
• Experience supporting disaster recovery planning, backup, and restoration operations.
• Experience identifying and resolving system issues using critical thinking and problem‑solving skills.
• Experience with technical writing, system documentation, cybersecurity audits, and configuration management audits.

Experienced (level
3):
Education/experience typically acquired through advanced technical education (e.g., Bachelor) and typically 5 or more years’ related work experience or an equivalent combination of technical education and experience (e.g., PhD, Master+3 years’ related work experience, 9 years’ related work experience, etc.). Senior (level
4):
Education/experience typically acquired through advanced technical education (e.g., Bachelor) and typically 9 or more years’ related work…