Senior Linux Administrator Team Lead

Critical Systems, Enterprise Systems, Software Updates, System Administration, Technical Issues Experience 5 + years of related experience Job Description Provide system administration support for Linux operating systems including installing software, applying patches, managing file systems, monitoring performance, and troubleshooting alerts from monitoring tools. Analyzes and resolves problems associated with the operating system, servers, hardware, and applications software. Detects, diagnoses, and reports related problems on servers, including system failure analysis and recovery, insuring the consistency and integrity of file systems. In-depth hardware configuration knowledge, shell programming expertise, and a solid understanding of standard concepts, practices, and procedures. Relies on experience and judgment to plan and accomplish goals, performs a variety of tasks, and works under general supervision. Responsible for daily monitoring of interface programs between multiple enterprise systems; review daily logs and ensure successful completion. Perform incremental and full cold backups/patching. Responsible for DoW Linux Security Technical Implementation Guides (STIGs). Provide performance metrics and usage charts, including CPU usage, disk usage and network uptime for the Linux Servers. Provide general maintenance, upgrades, and new installation of servers and coordinate with data center personnel to execute. Document and generate business processes for day-to-day and emergency support procedures. Install, test, and verify Linux Security patches; coordinating, documenting requirements and timelines, and working closely with service owners. Perform systems security administration functions, including creation and maintenance of customer profiles and accounts. Responsible for creating and/or maintaining standard operating procedures for the Linux documentation library. Implement, configure, update, and maintain Ansible servers and scripts. Implement, configure, update, and maintain STIG Manager servers and scripts. Implement, configure, update, and maintain the Linux operating system firewall. Experience in handling NFS, CIFS, and SMB permissions. WHAT YOU’LL NEED TO SUCCEED Education/Equivalent Training Required High school diploma or AA. Preferred - Bachelor’s degree in information technology, computer science or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience. Required Experience 10+ years of overall demonstrated experience as a RHEL 7 and/or RHEL 8 Servers Required Technical Skills Requirements Experience managing RHEL 7 and RHEL 8 Linux servers Highly versed in Linux administration and best practices Familiar with enterprise network architectures Experience with automated configuration management (Ansible, Puppet, Chef, etc.) Familiar in programming/scripting skills for automation (Bash, Ruby, Python, Perl, etc.) General understanding of Linux internals (system calls, file systems, processes, etc.) General understanding of TCP/IP and related protocols ( FTP, NFS, etc.) Experience with PowerShell scripting engine to automate tasks. Excellent problem solving, analytical, and decision‑making capabilities, including understanding user requirements, troubleshooting technical issues, successfully resolving issues and challenges, and developing creative solutions for process improvement. Dependability, in that the individual is consistently at work and on time, follows instructions, responds to management direction, and solicits feedback to improve. Must have customer service experience as this position will require candidate to engage with senior military and government leadership. Must be able to present your ideas clearly through briefings, meetings, and interaction with leadership of different skill sets. Must be able to provide training sessions as required. Must be able to engage with stakeholders to ensure tasks are progressing and meeting timelines. Excellent communication, documentation, organizational and collaborative skills. Strong teamwork and engagement as a project team member. Ability to assimilate information rapidly, motivated to self‑study new requirements. Maintain current industry knowledge of relevant concepts, practices, and procedures. Maintain and upgrade certifications. Other duties may be assigned, directed, or requested. Certification Requirements Must possess the appropriate baseline certification(s) to achieve DoW 8570.01-M Information Assurance Technical (IAT) Level II (CompTIA Security+ ce) and additional Computing Environment (CE) certification (RHEL7 and/or RHEL 8). When 8140 requirements are implemented on program/contract, employee will need to conform to 8140 certification standards. Security Clearance Level Requirements Must have a minimum of an active Secret clearance at time of interview and candidate must maintain active clearance. Location Hours and days TBD upon hire. Three (3) days onsite with up to two (2) days telework. Onboarding/transition in period requires on-site support up to 60 days. GECOS work schedules are subject to change on direction by mission requirements from GDIT or USG leadership. Travel Up to 10%. Travel may include attending conferences up to two times annually and site visits as needed. The likely salary range for this position is $127,500 - $172,500. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Scheduled Weekly Hours 40 Travel Required Less than 10% Telecommuting Options Hybrid Work Location USA VA Falls Church Benefits 401K with company match Comprehensive health and wellness packages Internal mobility team dedicated to helping you own your career Professional growth opportunities including paid education and certifications Cutting‑edge technology you can learn from Rest and recharge with paid vacation and holidays Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans #J-18808-Ljbffr