Senior Linux Systems Administrator Security Clearance

Position: Senior Linux Systems Administrator with Security Clearance
Location: Hazelwood

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. The Boeing Company's Specialized United States Infrastructure organization is currently seeking a Senior Linux Systems Administrator to join the team in Hazelwood, MO.

This role is centered on delivering technical leadership and project support for strategic, enterprise-level hosting environments, primarily catering to initiatives within the Boeing Defense, Space & Security (BDS) business unit. An ideal candidate will recognize the value of collaboration, as this position involves direct engagement with program customers and the Information Technology operations team to manage and support operations, sustainment, and integration activities for proprietary customer programs.

Position Responsibilities:

* Build and maintain information systems in compliance with JSIG/RMF security requirements, including hardware and software installation, network configuration, and troubleshooting

* Administer Red Hat 7 and higher environments, perform preventative maintenance, and conduct monthly server patching

* Utilize vulnerability scanners like ACAS/Nessus and manage distributed file systems

* Maintain and organize the server room and data center, ensuring proper installation, tidy cabling, spare parts management, and inventory updates

* Document the existing environment, including server inventory, operating systems, connectivity diagrams, and create standard operating procedures for system administration tasks

* Mentor junior team members and provide leadership, while diagnosing and resolving performance issues related to CPU, memory, and disk

* Open support tickets with vendors for system component failures, coordinate downtime with application owners, and perform necessary replacements

* Provide day-to-day support for ticket requests, including DNS entries, file system storage increases, user account requests, and performance tuning

* Support the backup environment through software upgrades, daily log reviews, and failure resolution to ensure smooth operations Basic Qualifications (Required Skills/Experience):
* RMF compliant with a Security+ certificate or obtain certification within first 6 months

Preferred Qualifications (Desired Skills/Experience):
* Bachelor's degree or equivalent work or military experience

* 5+ years of experience with Red Hat-based systems (RHEL, Oracle Linux, Fedora) and SUSE distro 12 or greater (e.g., Data Domain, vProxy)

* 5+ years of experience in designing and implementing IT security systems, troubleshooting operating system and installation issues, and administering user system access to meet network security requirements

* 3+ years of experience with virtualization technologies, including VMware, and managing virtualized environments, as well as installing, configuring, and troubleshooting Linux-based systems and desktop operating systems.

* Experience with iLOs and applying RMF guidelines for compliance, along with using metrics to measure project performance for quality delivery

* Experience with Linux file structures and

* Experience with developing Power Shell and Linux scripts for hardware integration, automating OS deployment and configuration, and creating and maintaining multiple virtual servers 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 is met as outlined in our policies. Pay & Benefits:
At Boeing, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities. The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.

The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements. Pay is based upon candidate experience and qualifications, as well as market and business considerations. Summary pay range: $115,600 - $156,400 Applications for this position will be accepted until Jan.

19, 2026 Export Control Requirements:
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. §120.62 is required. "U.S. Person" includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee.…