New

Senior Linux System Administrator

Butler America Aerospace L.L.C.
$52-60
sick time, 401(k)
United States, Maryland, Annapolis
May 18, 2026
Senior Linux System Administrator Location: Baltimore, MD Job ID: #72594 6 month contract Pay Range: $52-60 We are currently seeking a senior-level Linux Administrator to join the Messaging Application Engineering team. The ideal candidate is a self-starter and a team player with an ambitious and diverse technical background. In addition, this person must be an articulate problem solver who is passionate about standardization, a champion for systematic design, and comfortable working in a highly collaborative/fast-paced environment. Employees working in Hybrid roles will regularly work >50% onsite and <50% offsite. The ratio of time working on-site will be determined in partnership with your leader. Primary Responsibilities * The Linux Administrator is responsible for the sustainment and maintenance of our core servers Linux within a Bare Metal infrastructure to appropriate standards * and best practices in a fast-paced work environment * Their responsibilities will include administering system-level procedures; patch management; service layer application; deployment creation; redundancy * management, and certificate management * Work with developers to build containerization that promotes automated, continuous integration and accelerates delivery of new products and services * Install upgrades, configure, test, and support system software * Some on-site duties include racking devices, cabling, and deploying new systems in multiple data centers. Able to lift 40lbs. * Perform configurations and adjustments to enhance system performance. * Perform automated and manual backup and restorative processes * Ensure the necessary security procedures are implemented and enforced across their work Qualifications You Must Have: * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 3 years of prior relevant experience or an Advanced Degree in a related field and 2 years relevant experience or in absence of a degree, 7 years of relevant experience. * Experience with the Linux CLI, debugging tools, and network stack * Working knowledge of core networking, subnetting, firewalls, and routing * Proficient in configuration, troubleshooting, installation, operation, maintenance, and system administration of Multiple Linux distros such as RHEL and Ubuntu * Ability to create shell programs and utility scripts * Ability to troubleshoot and resolve system hardware, software, and connectivity issues * Ability to work independently in an international, cross-functional team environment, including occasional off-hours tasks and meetings * Ability to multi-task, prioritizes workload, and successfully handle competing deadlines * Must be authorized to work in the U.S. without sponsorship now or in the future. RTX will not offer sponsorship for this position. * Must be a U.S. Citizen * Ability to support hybrid (Primarily on site) schedule at Annapolis Office Qualifications We Prefer: * Experience with IBM MQ * Experience with Docker, Kubernetes, Containerization * Experience with storage appliances (TrueNAS, FreeNas) with a focus on NAS and ISCSI protocols * Ability to support a 24x7 rotating on-call schedule will be required in this position * Occasional travel, as needed, less than 20 days a year. * Experience working with Configuration Management Systems (git in particular) * Experience Solaris and ZFS Benefits provided: 401K, medical, dental, and vision, sick time as applicable to state law Butler America Aerospace, LLC. is an equal opportunity employer. Butler evaluates applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information and other legally protected characteristics. The Butler America Aerospace, LLC. EEO Policy Statement and "Know Your Rights" Poster is available here: Applicant and Employee Notices. Butler America Aerospace, LLC. is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact the Human Resources Department at accommodations@butler.com.