> Markdown version of [/jobs/ext/4291119-gps-iif-mission-system-administrator-expert-and-senior](https://www.wearedevelopers.com/jobs/ext/4291119-gps-iif-mission-system-administrator-expert-and-senior). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # GPS IIF Mission System Administrator (Expert and Senior) - **Company:** Boeing Company - **Location:** El Segundo, CA, United States - **Experience:** Expert - **Salary:** $99,450 - $134,550 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Software Applications, Configuration Management, Software Documentation, Cyber Security, System Configuration, Data Integrity, Disaster Recovery, Global Positioning Systems (GPS), Monitoring of Systems, Networking Hardware, Lightweight Directory Access Protocols (LDAP), Red Hat Enterprise Linux, Security Software, Software Deployment, Solaris (Operating System), System Testing, Systems Integration, Virtual Machines, Reliability of Systems, Data Analytics, Nessus, CIS Benchmarks, Splunk, Plan of Action and Milestones - **Published:** October 26, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3467429960&tx=JT9284TYZ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * 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.) * 3+ years of related experience for Level 3 * 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 * If not within commuting distance of El Segundo, CA, willingness and ability to relocate at own expense Preferred Qualifications (Desired Skills/Experience) : * Level 4 : 5+ years of related experience * 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 Relocation : Relocation assistance is not a negotiable benefit for this position. Candidates must live in the immediate area or relocate at their own expense., This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a "U.S. Person" as defined by 22 C.F.R. ยง120.62 is required., This position requires an active U.S. Secret Security Clearance (U.S. Citizenship Required). (A U.S. Security Clearance that has been active in the past 24 months is considered active) ## Description * 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 patch ing 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, tracking and remediating open Cyber/IA items and POA&M discrepancies, maintaining compliance documentation (CAIRO, ACP, NIST 800-53, NIST 800-171, STIG), and preparing manual STIG checklists for inspections * Install , config ure, 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 baselines 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.), Ability and willingness to work occasional compensated ad hoc support outside of typical business hours to cover infrequent alternating 24/7 on-call responsibilities for satellite anomalies and operational events.