Information Technology (IT) Systems Administrator (Level 4) - Millennium Space Systems

Job Description At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. About Millennium Space Systems (MSS) MSS, a part of Boeing Defense, Space and Security (BDS), is a fast, agile small satellite company focused on national security space. Our missions have direct impact to global security, like missile warning and Earth observation. Position Overview Information Technology (IT) Systems Administrator (Level 4) in El Segundo, CA. We are seeking a highly motivated, results-oriented, well-rounded, and security-minded IT Systems Administrator to join our team. The role involves maintaining, configuring, updating, and integrating secure enterprise and air‑gapped systems with a complex variety of operating systems, software applications, and hardware. You will work with collaborative teams that specialize in maintaining compliance standards that keep our systems updated and secure. Work Environment This position is 100% onsite. The selected candidate will be required to work onsite at one of the listed location options. This position requires an active U.S. Top Secret Security Clearance (U.S. citizenship required). An active U.S. Security Clearance within the past 24 months is considered active. Position Responsibilities Expected to provide Tier II and below support Manage system installation, configuration, upgrades, and updates on secure networks Maintain documentation for system operations, changes, and procedures Provide technical support and interact with customers in person, by email, or by ticket response Escalate tickets, tasks, and problems as required Monitor systems and resolve issues to prevent costly downtime Other job duties as assigned Basic Qualifications (Required Skills/Experience) Ability to obtain security certifications such as Security+ or equivalent IAT Level 2 certifications per DoD Instruction 8570 (8140) 5+ years of experience with system administration of complex infrastructure and software development systems Experience installing, configuring, troubleshooting, and administering Windows Server (2016 or later) and Windows desktop OS (Windows 10 or later) Experience executing DoD STIGs for operating systems (Windows 10, Windows Server 2016+) Experience maintaining and configuring Active Directory (AD) Experience with VMware vCenter, vSphere, and managing virtual machines Experience administering Red Hat Linux based systems with minimal support, including Linux sub‑systems, patching, packaging (RPM), performance tuning, networking, user management, and security Preferred Qualifications (Desired Skills/Experience) Experience with multiple Linux operating systems Familiarity with Cisco, Palo Alto, and Juniper switches and firewalls Experience with VEEAM Backup Suite or Power Protect Data Manager Familiarity with Windows and Linux integration Ability to create technical documentation to train end users Experience with DNS, Group Policies, Print Management Experience with troubleshooting, updating, and upgrading Microsoft applications (Outlook, Word, Excel, Project, etc.) Experience with backup and recovery procedures Additional Information Relocation assistance is not a negotiable benefit for this position. Candidates must live in the immediate area or relocate at their own expense. Travel: Occasional travel may be required based on business needs. Shift: 1st Shift. Drug Free Workplace: Boeing is a drug‑free workplace where post‑offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria are met as outlined in our policies. Total Rewards & Pay Transparency: We strive to deliver a Total Rewards package that will attract, engage and retain the top talent. The package includes competitive base pay and variable compensation opportunities. Eligible employees may enroll in health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance, and paid/unpaid time off programs, subject to eligibility and location. Pay range: $128,350–$173,650. Applications for this position will be accepted until Mar. 22, 2026. Export Control Requirements: This position is U.S. based and does not require a U.S. person designation. Employment is contingent upon the ability to secure and maintain necessary export‑control authorization if required. Visa Sponsorship: Employer will not sponsor applicants for employment visa status. Equal Opportunity Employer: Boeing is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law. #J-18808-Ljbffr The Boeing Company