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Linux System Administrator
Columbia, South Carolina  |  Onsite
Contract Position
It appears that you have already applied to this job.
Applied on October 25, 2021
Job Id #51340 Posted October 13, 2021


• Working knowledge and experience with at least some of the following Log tools (Snare, Syslog, Logstash, syslog-ng etc.)
• Linux system design and administration (installation, configuration, troubleshooting, maintenance, patching, log analysis, performance tuning, etc.)
• Automation of repeatable tasks with the help of scripting (Python, Linux shell scripting)
• Ability to Monitor, troubleshoot and resolve operational issues in complex, multi-tier application architectures
• Analyzes security requirements for the management and administration of security technology.
• Designs, develops, engineers, and implements solutions that meet security requirements.
• Participates in reviews and updates of security policies, standards, procedures.
• Ability to tune, configure and implement detection logic in security platforms.


• Administration experience with Snare log management solution
• Updating security tools on Linux systems
• Troubleshooting of Linux Servers and Logging application, services beyond the basics
• Basic knowledge of relational databases such as MySQL and PSQL
• Understanding of essential network services such as DNS, SMTP, NTP and SNMP
• Have working administrative knowledge with vulnerability management (Tenable)
• Hands on experience with security log collection and enterprise SIEM solution
• Perform administrative and engineering work on Security Operation Center tools
• Developing strategies to improve operational workflow
• Provide recommendations to overall system deployment and design
• Develop detailed supporting documentation regarding technical projects
• Write detailed security documentation on technical security assessments, policies and procedures
• Manage customer expectation and attend all mandatory review / regulatory discussions related to the specific project being delivered
• Knowledge and understanding of information risk concepts and principles as a means of relating business needs and security controls
• Ability to communication with audiences with varying levels of technical knowledge
• Ability to establish and maintain effective working relationships to effectively perform job duties


• Installation, configuration, maintenance and troubleshooting of Ubuntu, RHEL based systems
• Expert in Linux and/or Windows System Administration.
• Expert in Linux shell scripting, Python, or Perl.
• Advanced experience in networking (TCP/IP) protocols, computer/network security, firewalls and system administration.
• Excellent communication and presentation skills.
• Assignments may be broad in nature, requiring originality and innovation in determining how to accomplish tasks.
• Have relevant industry IT and/or security certifications. RHCE, Security+
• Security certification desired


• 3+ year of IT Security experience with Master’s Degree
• 5+ year of IT Security experience with Bachelor’s Degree
• SANS, ISC2 or relevant industry recognized certifications

Horizontal is proud to be an Equal Opportunity and Affirmative Action Employer. We seek to provide employment opportunities to talented, qualified candidates regardless of race, color, sex/gender including gender identity and/or expression, national origin, religion, sexual orientation, disability, marital status, citizen status, veteran status, or any other protected classification under federal, state or local law.

In addition, Horizontal will provide reasonable accommodations for qualified individuals with disabilities. If you need to request a reasonable accommodation in order to complete the application or interview process, please contact

All applicants applying must be legally authorized to work in the country of employment.


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Horizontal is proud to be an Equal Employment Opportunity/Affirmative Action Employer providing a drug-free workplace.


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