Linux Administrator - Secret Clearance Required

GD Information Technology • Fairview Park, OH

1d • Hybrid

About The Position

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. The ideal candidate is a proactive problem solver who thrives in a dynamic, mission-driven environment and can engage confidently with senior military and government leadership.

Requirements

• Secret clearance required.
• US Citizenship Required.
• 6 + years of related experience.
• High school diploma or AA.
• 8+ years of overall demonstrated experience as a RHEL 7 and/or RHEL 8 Servers.
• 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 (HTTP, 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.
• Able to present ideas clearly in briefings, meetings, and leadership interactions.
• 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.
• Able to quickly absorb information and self-learn new requirements.
• Maintains current industry knowledge and professional certifications.
• Able to work under time constraints and adapt to changing requirements.
• Must have a minimum of an active Secret clearance at time of interview and candidate must maintain active clearance.
• 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.

Nice To Haves

• 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.
• Experience leading or managing teams.

Responsibilities

• 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.
• 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.

Benefits

• variety of medical plan options, some with Health Savings Accounts
• dental plan options
• a vision plan
• a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match.
• full flex work weeks where possible
• a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
• short and long-term disability benefits
• life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: High school or GED