Linux System Administrator

The Opportunity:

On our team, you'll support the client'sSecurity Operations mission. This includes the deployment, operation, administration,troubleshooting, updating, securing, and maintenance of all systems, software, andinfrastructure that enable enterprise cybersecurity capabilities across the client and its OperatingDivisions (OpDivs).You'll operate, maintain, and administer existing network and systems architectures, and perform network administration including hardware, software, physical cabling, and IP addressmanagement.

As a System Administrator, you'll support a broad range of technical environments and responsibilities,including networking and security devices, circuits, automated systems,servers, client computers, applications, databases, voice systems, helpdesk support, asset andinventory management, and field technical support.

Join us. The world can't wait.

You Have:

• 10+ years of experience with Linux or UNIX systems and the complex interoperability between Linux, UNIX, and Windows
• Experience with designing, implementing, maintaining, and troubleshooting Red Hat Enterprise Linux Server environments v8-v9, ensuring their reliability, security, and optimal performance
• Experience with creating, implementing, maintaining, troubleshooting, and utilizing advanced scripting in tools, such as BASH, Perl, JavaScript, or Python, to automate or simplify tasks, enhance system functionalities, and troubleshoot issues
• Experience with Task Automation, Package Management related to installs and updates across geographically disperse environments, NFTables, Firewalld, or IPTables, ISC2 BIND DNS, TCP/IP, IPv4/IPv6, Postfix/SMTP Relay, Linux Server Administration, Linux Server Clustering, NFSv3/NFSv4, PXE boot, and SELinux
• Ability to maintain detailed documentation for system designs, configurations, processes, and service records
• Ability to collaborate with cross-functional teams to support IT infrastructure projects, providing expert guidance and technical leadership
• Ability to lead and mentor junior team members in best practices and technical challenges
• Ability to participate in a 24/7/365 on call rotation
• Public Trust
• Bachelor's degree

Nice If You Have:

• Experience with security hardening framework standards and regulations from Center for Internet Security (CIS) Control 4, National Institute of Standards and Technology (NIST) Special Publication 800-53 Revision 5, and the DoD's Security Technical Implementation Guides (STIGs)
• Experience with Mirantis Container Runtime/Docker, Amazon Web Services (AWS), and GitLab
• Experience with Task Automation using Anisible and RHEL Satellite preferred
• Ability to organize and work independently or as part of a team
• Ability to troubleshoot and resolve LAN/WAN connections, performance and throughput issues, and other related network problems
• Ability to explain complex technical concepts to non-technical stakeholders
• Ability to analyze development and implementation requirements, make appropriate modifications to existing systems, and prepare specifications based on customer requests
• Ability to pay strict attention to detail
• Possession of excellent problem-solving skills
• Red Hat Certified System Administrator (RHCSA) and Red Hat Certified Engineer (RHCE) certifications

Vetting:
Applicants selected will be subject to a government investigation and may need to meet eligibility requirements of the U.S. government client; Public Trust determination is required.

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.

Identity Statement

As part of the application process, 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.

Work Model
Our people-first culture prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely.

• If this position is listed as remote or hybrid, you'll periodically work from a Booz Allen or client site facility.
• If this position is listed as onsite, you'll work with colleagues and clients in person, as needed for the specific 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.