Senior Linux Systems Administrator with Security ...

Job Description BAE Systems, Inc. is seeking an Senior Linux Systems Administrator to support the Information Services (IS) team in the Strategic Systems, Air and Space Force Solutions business. The selected applicant will join the IS team as we seek to deliver world-class capabilities for our client and associated contractors while driving productivity and innovation. This team supports system architecture and design, infrastructure and OS level support, commercial tool integration, and application support. This position will include the following duties and responsibilities: - Plans, designs, develops new system architecture. Maintains existing Linux/RHEL IT systems- Duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance, and installing software on servers and workstations- Conducts capacity and performance analysis- Provides system configuration change and upgrade recommendations- Uses automated tools and scripts to improve efficiency and accuracy- Works with internal and external organizations to support various customer user-level requirements, including resolving elevated end-user support requests, and researching and deploying advanced technologies- Business process analysis and system requirements development- Implement approved system security policies to include the configuration of user access and permission across a variety of systems- Monitors application status; support application event triage, monitoring, tracking, and correlation and event characterization and escalation, works with vendors as needed for event resolution. Follows up with customers to ensure issues have been resolved- Provides technical assistance, training and system documentation for users to promote efficient operation of applications- Performs other duties as assigned This position requires an active final Secret clearance upon hire date. The applicant must be able to obtain and maintain a Top Secret clearance. An active Top Secret clearance is preferred. Required Education, Experience, & Skills The successful applicant will be able to work independently, demonstrate strong initiative, an possess the ability to organize daily tasks with minimal supervision while demonstrating the following: - BS in Computer Science or related technical field, or equivalent industry experience- 14+ years related experience with a high school diploma, 10+ years related experience with a Bachelor degree, or 8+ years with a Master''s degree- Experience with Linux and/or RHEL operating systems and concepts- Linux troubleshooting including command line, networking, packet captures, SQL, routing, iptables, disk partitioning and patch deployment- Working knowledge of various hardware platforms and software applications- Experience with troubleshooting, proactively identifying issues and driving them to resolution- Strong communication skills (oral and written) as well as the ability to interact with team members, various levels of management, and internal clients with assorted levels of computer experience- Committed to results and success in accomplishing goals- A fast learner with a demonstrated ability to quickly learn technologies and understand unique system requirements- Excellent customer service skills- Ability to work after hours and weekends when required- Minimum DoD 8570 IAT Level II compliant This position requires an active final Secret clearance upon hire date. The applicant must be able to obtain and maintain a Top Secret clearance. An active Top Secret clearance is preferred. Preferred Education, Experience, & Skills Preferred skills include experience with any of the following: - DoD 8570 - IAT Level III certification- Linux administration experience: familiarity with RHEL and/or SUSE- Virtualization administration (VMware)- Standards compliance and information assurance, including ITAR, CCA, FedRAMP, RMF, ITIL, CMMI- Quality Assurance - Experience with Apache, and high volume web servers- Security vulnerability remediation and system migrations- RHEL Security Hardening procedures and best practices- Prior experience training, coaching and working directly with end users About BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. Improving the future and protecting lives is an ambitious mission, but it''s what we do at BAE Systems. Working here means using your passion and ingenuity where it counts - defending national security with breakthrough technology, superior products, and intelligence solutions. As you develop the latest technology and defend national security, you will continually hone your skills on a team-making a big impact on a global scale. At BAE Systems, you''ll find a rewarding career that truly makes a difference. Intelligence & Security (I&S), based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do-from intelligence analysis, cyber operations and IT expertise to systems development, systems integration, and operations and maintenance services. Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats inspires us to push ourselves and our technologies to new levels. At BAE Systems, we celebrate the array of skills, experiences, and perspectives our employees bring to the table. For us, differences are a source of strength. We''re laser-focused on high performance, and we work hard every day to nurture an inclusive culture where all employees can innovate and thrive. Here, you will not only build your career, but you will also enjoy work-life balance, uncover new experiences, and collaborate with passionate colleagues.

Created: 2025-11-01