Interview: Zoom/In-person
**Candidates need to live within 45-mins driving distance of Annapolis, MD**
**Work Schedule: Mon-Friday hybrid (Primarily on site) schedule at Annapolis Office; 4 days onsite and 1 remote. Schedule varies by week due to coverage.
Job Posting Title: Linux System Administrator (Hybrid)
Job Description
As a Linux System Administrator, you will be managing and developing systems on a global scale to help the Aviation industry move undisrupted. You will be responsible for the messaging data in transit to ensure the on-time arrival for you, your friends and families, and all passengers flying around the globe.
The systems you will manage support over 1,500 aviation customers, transmitting over 75 million messages daily across the Aviation community. Are you ambitious and have the diverse technical background to contribute to this incredible mission?
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.
What You Will Do:
Responsible for sustaining and maintaining our core servers Linux within a Bare Metal infrastructure on-premises. On-site duties include racking devices, cabling, and deploying new systems in multiple data centers.
Help the team deploy and maintain the rollout of the next generation of products and services and transition customers to the new platforms.
Support the global data centers (installs, upgrades, configure, test, support system software, and security audits of hardware) and instill customer confidence in our products.
Monitor and respond to everyday issues and problems and contribute to Root Cause Analysis (RCA) and support the Software Development Team by administrating team tools and processes.
Keep up with the demands and tech debts of the existing infrastructure as we move to the new and advanced infrastructure.
What You Will Learn:
Deepen your knowledge and understanding of using Linux to deploy sophisticated COTS and Collins web-based applications and microservices.
Learn how aviation data moves behind all the airline ticketing and baggage check-in, how engines transition data to their services, how passenger information is transitioned across country borders, and overall how the aviation industry moves.
Gain insights into team dynamics and how to foster collaboration, trust, and effective communication within our teams. There may be occasional off-hour tasks and meetings.
Work to become a subject matter expert in Messaging Engineering with exposure to the variety of business and products
Qualifications You Must Have:
Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 1 year of prior relevant experience or an Advanced Degree in a related field or in absence of a degree, 5 years of relevant experience.
Prior experience working in the Linux CLI, debugging tool, and network stack
Prior experience in core networking, subnetting, firewalls and routing
Prior experience troubleshooting and resolving system hardware, software and connectivity issues
Prior administration experience of multiple Linux distros such as RHEL and Ubuntu
Must be authorized to work in the U.S. without sponsorship now or in the future. RTX will not offer sponsorship for this position.
Ability to support hybrid (primarily on site) schedule at Annapolis Office
Qualifications We Prefer:
Experience with IBM MQ
Experience with storage appliances (TrueNAS, FreeNas) with a focus on NAS and ISCSI protocols.
Experience with storage appliance Solaris and ZFS a plus.
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