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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. 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.

HOW A LINUX ADMINISTRTAOR 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.
• 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 YOULL NEED TO SUCCEED:

Education/Equivalent Training Required:

• High school diploma or AA. Preferred - Bachelors 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:

• 8+ years of overall demonstrated experience as a RHEL 7 and/or RHEL 8 Servers

Required Technical Skills Requirements:

• 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
  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 (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:

• Falls Church, Virginia

Travel:

• Up to 10%. Travel may include attending conferences up to two times annually and site visits as needed.

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