Linux Administrator - Secret Clearance Required

Responsibilities for this Position Location: USA VA Falls Church Full Part/Time: Full time Job Req: RQ224603 Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Disaster Recovery (DR), Enterprise Systems, Linux, Red Hat Enterprise Linux (RHEL) Certifications: None Experience: 6+ years of related experience US Citizenship Required: Yes Job Description: Linux Administrator We are seeking a Linux Administrator to support the Infrastructure Management Monitoring Team in Falls Church, Virginia. This role is critical to maintaining and supporting Linux operating systems in a dynamic, mission‑driven environment.

HOW A LINUX ADMINISTRATOR WILL MAKE AN IMPACT:

Provide system administration support for Linux operating systems including installing software, applying patches, managing file systems, monitoring performance, and troubleshooting alerts from monitoring tools. Analyze and resolve problems associated with the operating system, servers, hardware, and application software. Detect, diagnose, and report related problems on servers, including system failure analysis and recovery, ensuring consistency and integrity of file systems. Demonstrate in‑depth hardware configuration knowledge, shell programming expertise, and a solid understanding of standard concepts, practices, and procedures. Use experience and judgment to plan and accomplish goals. Monitor interface programs between multiple enterprise systems; review logs daily and ensure successful completion. Perform incremental and full cold backups and patching. Maintain DoW Linux Security Technical Implementation Guides (STIGs). Provide performance metrics and usage charts (CPU usage, disk usage, network uptime) for Linux servers. Install, test, and verify Linux security patches; coordinate requirements and timelines with service owners. Administer systems security functions, including creation and maintenance of customer profiles and accounts. Create and maintain 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 Linux operating system firewall. Handle 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, training, or work experience. Required Experience 8+ years of overall demonstrated experience as a RHEL 7 and/or RHEL 8 server administrator. Required Technical Skills Experience administering RHEL 7/8 Linux servers and applying Linux best practices. Strong Linux administration skills with knowledge of enterprise network architectures. Hands‑on experience with automation/configuration tools (Ansible, Puppet, Chef). Skilled in scripting for automation (Bash, Ruby, Python, Perl). Solid understanding of Linux internals (system calls, file systems, processes). Working knowledge of TCP/IP and related protocols ( FTP, NFS). Experience using PowerShell for task automation. Excellent problem‑solving, analytical, and decision‑making skills. Reliable and responsive, consistently meeting expectations and following direction. Strong customer‑service skills; able to engage senior military and government leaders. Capable of delivering training sessions as needed. Experienced in coordinating with stakeholders to meet deadlines and objectives. Excellent communication and documentation abilities. Strong organizational, collaborative, and team‑oriented mindset. Fast learner, able to absorb new information and independently learn new requirements. Maintains current industry knowledge and professional certifications. Works under time constraints and adapts to changing requirements. Experience leading or managing teams. 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 certification (RHEL 7 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 maintain active clearance. Location Falls Church, Virginia Travel Up to 10% (including conferences up to two times annually and site visits as needed). Scheduled Weekly Hours: 40 Travel Required: Less than 10% Telecommuting Options: Hybrid Work Location: USA VA Falls Church Total Rewards at GDIT: Our benefits package for all US‑based employees includes a variety of medical plan options, health savings accounts, dental and vision plans, and a 401(k) plan with company match. Benefits also cover paid time off (vacation, sick, personal, holidays, parental, military, bereavement, jury duty), short and long‑term disability, life, accidental death, critical illness, and business travel insurance. The company offers flexible work arrangements and regularly reviews its rewards package to remain competitive. Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans Contact Information Resume: View email address on click.appcast.io For more information about this position, visit . Salary Range The likely salary range for this position is $127,500 - $172,500. Compensation is based on experience, geographic location, and contractual requirements. #J-18808-Ljbffr General Dynamics Corporation