Senior Linux Systems Administrator

Job Description The Opportunity Join BAE Systems working with the Navy's Department of Defense Supercomputing Resource Center (DSRC) and be part of a team that supports some of the world's most complex and technically advanced systems. This role offers you the chance to work on cutting-edge technology in a mission-centered environment. You'll have the opportunity to play a pivotal role in maintaining the infrastructure that drives key research and development for the Department of Defense. We are looking for a Senior Linux Systems Administrator to join our team and provide expert-level support for critical systems, services, and devices in both classified and unclassified spaces. This position involves working closely with other infrastructure teams to ensure system availability, reliability, and security in a high-performance computing (HPC) environment. The Role As a Senior Linux Administrator, you will: Provide full lifecycle support for the entire Linux infrastructure across classified and unclassified spaces. Assist with the implementation and support of security policies to ensure compliance with DoD standards. Perform troubleshooting and resolution of complex hardware and software issues. Administer and support email servers in classified and unclassified environments. Handle user management tasks, including account creation, permissions, and security protocols and tools such as Kerberos. Collaborate with the networking team to ensure seamless integration and performance. Who You Are We are looking for candidates with the following skills and qualifications: Technical Expertise: You have in-depth experience with Linux server administration, particularly in high-security environments, and are comfortable working with both classified and unclassified systems. Collaboration: You work well in a team and can communicate effectively with network engineers, security specialists, and other infrastructure teams. Problem-Solving: You are skilled in identifying issues, troubleshooting, and implementing effective solutions in a timely manner. Automation Skills: Experience with scripting languages like Bash, Python, or Perl and tools such as Puppet or Ansible to automate system administration tasks. Security Awareness: Strong understanding of security practices, particularly in a DoD environment. Familiarity with STIGs. Adaptability: You are comfortable working in a dynamic environment with rapidly changing priorities. Documentation: Excellent ability to document processes, procedures, and system configurations. Required Education, Experience, & Skills Bachelor’s degree and at least 3-6 years of experience preferred (additional experience may be substituted for the degree) At least 4 years of experience in Linux/Unix system administration DoD 8570 IAT Level II or higher certification required- Security and OS cert, Linux, RedHat, etc. (waiver may be provided to obtain the OS certification) General knowledge of Linux and general Unix operating systems concepts as well as systems administration experience Ability to develop and maintain documentation on system administration procedures for routine and complex tasks Preferred Education, Experience, & Skills Experience supporting virtual machines, mass storage, and email servers Strong understanding of networking concepts (TCP/IP, DNS, routing, firewalls) Familiarity with DoD security guidelines and requirements (STIGs, FISMA, etc.) Experience with automation and scripting (Puppet, Ansible, Bash, Python, Perl) Experience working in a classified environment Ability to troubleshoot complex systems and infrastructure issues Pay Information Full-Time Salary Range: $91980 - $156330 Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20 hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics. 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. Our Commitment to Diversity, Equity, and Inclusion: At BAE Systems, we work hard every day to nurture an inclusive culture where employees are valued and feel like they belong. We are conscious of the need for all employees to see themselves reflected at every level of the company and know that in order to unlock the full potential of our workforce, everyone must feel confident being their best, most sincere self and be equipped to thrive. We provide impactful professional development experiences to our employees and invest in social impact partnerships to uplift communities and drive purposeful change. Here you will find significant opportunities to do meaningful work in an environment intentionally designed to be one where you will learn, grow and belong.