Linux System Administrator

Booz Allen Hamilton • Atlanta, GA

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About The Position

Linux System Administrator The Opportunity: On our team, you'll support the client's Security Operations mission. This includes the deployment, operation, administration, troubleshooting, updating, securing, and maintenance of all systems, sof tware, and infrastructure that enable enterprise cybersecurity capabilities across the client and its Operating Divisions ( OpDivs ) . You'll operate, maintain, and administer existing network and systems architectures, and perform network administration including hardware, sof tware, physical cabling, and IP address management. 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 and inventory management, and field technical support. Join us. The world can't wait. You Have:

Requirements

• 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, including v8-v9, and 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, 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 lead and mentor junior team members, collaborate with cross-functional teams to support IT infrastructure projects, and provide expert guidance and technical leadership
• Ability to participate in a 24/7/365 on call rotation
• Ability to obtain and maintain a Public Trust or Suitability/Fitness determination based on client requirements
• Bachelor’s degree in a Computer Science, Computer Information Systems, Information Security or IT field
• Ability to obtain a Red Hat certification prior to start date

Nice To Haves

• Experience with security hardening framework standards and regulations from Center for Internet Security ( CIS ) Control 4, National Institute of Standards and Technology ( NIST ) Spe cia l Publication 800-53 Revision 5, and DoD Security Technical Implementation Guides ( STIGs )
• Experience with M iran tis Container Runtime, Docker, Amazon Web Services ( AWS ) , and GitLab
• Experience with Task Automation using Ansible and RHEL Satellite prefer red
• Ability to organize and work independently and 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

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 1-10 employees