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Sr. Information Security Engineer

Horizontal Talent

This is a Full-time position in Columbia, SC posted May 18, 2022.

Job Description:

  • Administration of Snort Sensors
  • Ability to tune, configure and implement detection logic in open source Snort Sensors
  • Supports customers at the highest levels in the development and implementation of doctrine and policies
  • Applies know-how to government and commercial common user systems, as well as to dedicated special purpose systems requiring specialized security features and procedures
  • Performs analysis, design, and development of signature for the IDS sensors
  • Analyzes security requirements for the management and administration of sensing technology
  • Designs, develops, engineers, and implements solutions that meet security requirements (relating to sensing solutions)
  • Analyzes general information assurance-related technical problems and provides basic engineering and technical support in solving these problems
  • Evaluate that all information systems are functional and secure
  • Occasionally provide security engineering and integration services to internal customers
  • Deploy new sensors for monitoring network traffic flow
  • Installation, configuration, support and security implementation of tools & services related to SSH

Required Skills:

  • Installation, configuration, maintenance and troubleshooting of RHEL based systems
  • Strong troubleshooting skills of Linux/UNIX operating systems
  • Previous working experience as a Linux System Administrator for 6+ years
  • Understanding of essential network services such as DNS, SMTP, NTP, and SNMP
  • Experience with databases such as SQL, Postgres, MySQL,
  • Experience maintaining compliance of RHEL based systems using STIGS or CIS
  • Day to day support operations maintaining security patches on all RHEL based systems
  • Scripting and automation using tools such as Ansible, Terraform, GitLab, etc.
  • Experience with Containers, RedHat platforms
  • Understanding of Linux based Networking
  • Knowledge of syslog collection
  • Knowledge of SIEM (QRadar, Splunk, etc.) infrastructure and appliances
  • Time and project management skills, with the capability to prioritize and multitask as needed
  • Solid team player with leadership skills

Preferred Qualifications:

  • Red Hat Certification System Administrator / Engineer
  • Shell, Python Scripting
  • Linux+ Certified


  • Have some working administrative knowledge using IT security technology such as Snort, SourceFire, and Firepower
  • Orchestrating deployments of custom CentOS 7 servers
  • Apply recommended OS Patches, Kernel upgrades to keep server operating systems up to date
  • Automation of repeatable tasks with the help of scripting (Python/Ansible preferred)
  • Troubleshooting of Linux Servers and applications beyond the basics
  • Developing strategies to improve operational workflow
  • Updating security tools on Linux systems
  • Basic knowledge of relational databases such as MySQL and PSQL
  •  Asses existing network sensing topology and identify key system flaws
  • Configuring and deploying new open-source and commercial security tools on Linux systems
  • Performed DAST analysis using Application Scan security vulnerability tool to identify OWASP issues
  • Provide recommendations to overall system deployment and design
  • Perform administrative and engineering work on Security Operation Center tools such as Remedy, Service manager, Symantec Antivirus, etc
  • Develop detailed supporting documentation regarding technical projects (such as materials to support an architecture review board)
  • Provide recommendations on collection, processing and distribution systems in the cyber security market
  • Manage customer expectation and attend all mandatory review / regulatory discussions related to the specific project being delivered
  • Strong problem solving skills with focus on strategy