Linux System Administrator

Linux System Administrator The Opportunity: We are seeking a skilled Systems Administrator to support mission-critical infrastructure for a federal client. In this role, you will manage and maintain Linux servers, including RHEL, CentOS, and Ubuntu, ensuring system integrity, performance, availability, and security across enterprise environments. You will install, configure, and troubleshoot server software and services while proactively monitoring system performance and implementing tuning measures to optimize efficiency and reliability. You will implement and maintain security controls such as firewalls, access management, patching, and system hardening to meet federal compliance standards. The role also includes developing automation solutions using tools like Bash, Python, and Ansible to streamline administration tasks. You will oversee backup and disaster recovery processes to ensure data integrity and continuity of operations, as well as configure and troubleshoot network services such as DNS, DHCP, NFS, and VPNs. Additionally, you will respond to and resolve system incidents, conduct root cause analyses, implement preventative measures, and maintain clear technical documentation. You will contribute to and lead infrastructure projects such as upgrades, migrations, and new system implementations. The ideal candidate is a proactive problem-solver with strong Linux expertise and a commitment to delivering secure, reliable systems in support of federal operations. If you are passionate about developing reliable enterprise systems in a federal environment and enjoy working in collaborative, mission-driven teams, this role offers an opportunity to make a meaningful impact in support of Veterans nationwide. Join us. The world can't wait. You Have: 5+ years of experience in system administration 2+ years of experience as Red Hat Enterprise Linux (RHEL) Systems Administrator for applications Enterprise Networks and Multi-server environments Experience implementing and managing security measures, firewalls, or intrusion detection systems Experience building and supporting environments such as Testing, Contingency, Production, or Disaster Recovery servers Knowledge of TCP, IP, DNS, routing, and network services Ability to support 24x7x365 on-call rotation for responding to critical system outages Ability to obtain and maintain a Public Trust or Suitability/Fitness determination based on client requirements HS diploma or GED Nice If You Have: Experience with RHEL 8 or 9 Experience with cloud platforms, such as AWS or Azure Experience administering MySQL, PostgreSQL, or Oracle databases on Linux and managed cloud services Experience with containerization technologies such as Docker or Kubernetes, including AKS or EKS Experience with administration or optimization of WebLogic Server across environments Possession of excellent problem-solving and analytical skills Possession of excellent verbal and written communication skills Red Hat Certified Engineer (RHCE), CompTIA Linux+, or Linux Professional Institute Certification Compensation At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $62,000.00 to $141,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date. Identity Statement As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud. Candidate AI Usage Policy AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided. Work Model Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings. Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility. Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law. Booz Allen Hamilton