Demo

Linux System Administrator

Secured
Chantilly, VA Full Time
POSTED ON 1/24/2025
AVAILABLE BEFORE 4/15/2025

Job Description

PLEASE NOTE :   This position requires an  ACTIVE  Top Secret / SCI Clearance with Polygraph. To be considered for this position, you  MUST  have an  ACTIVE  Clearance Level of  Top Secret / SCI with Polygraph

LABOR CATEGORY DESCRIPTION :

You will install, configure, and maintain the Linux operating systems. You will analyze and resolve problems associated with the operating system's servers, hardware, applications, and software. You will monitor systems performance and ensures compliance with security standards.

More About the Role :

  • Experience patching and updating Linux server operating systems and configuring Linux server network integration.
  • Experience monitoring network activity and network traffic redirection. Familiarity with proxy implementations (e.g. iptables, mod_proxy, digital certificates etc.).

Required Skills

  • An active TS / SCI with Poly clearance
  • University Degree or equivalent experience and minimum of 5 years of related work experience.
  • Experience scripting or programming with Bash Shell 3 years.
  • Demonstrated experience with Python, 1 year
  • Demonstrated understanding of Linux operating systems (e.g. Centos, Ubuntu, Fedora, Scientific Linux, Debian, etc.), 3 years
  • Experience in the maintenance of various layers of network infrastructure.
  • Experience with infrastructure troubleshooting, to include direct interaction with vendors and service providers.
  • Experience with network and server hardware procurement and detailed record keeping supporting mission networks.
  • Experience with Linux systems administration including knowledge of and experience with : o SELinux troubleshooting and policy configuration / creation;
  • Custom Linux kernel configuration and maintenance;

  • Syslog; iptables; grsec experience preferred;
  • Multiple Linux distributions (Debian-based and Redhat-based.)
  • Server system administration and hardening proficiency,such as experience with Apache, Nginx; and Bind.
  • Desired Skills

  • Knowledge of stand-alone automated configuration management systems (e.g., Chef Solo, Ansible, Kickstart).
  • Knowledge of TCP / IP networking, ability to troubleshoot non-standard network infrastructure, to include VPN and NAT.
  • Knowledge of IT defensive best practices .
  • Experience with inter-discipline task management with occasional short turn-around tasks.
  • Strong analytic and critical thinking skills, including an ability to think strategically.
  • Ability to effectively express complex ideas and insights verbally and in writing to a variety of audiences.
  • Ability to remain open-minded and change opinions on the basis of new information and requirements.
  • Team oriented, must be able to create and adhere to schedules.
  • Must have desire and ability to learn new things.
  • Must be able to communicate and coordinate across departments and levels of seniority.
  • Ability to research the latest technological developments in relevant operating systems to identify impact and anticipate changes in the organization’s operating environment.
  • Training on the job is available.
  • About Secured

    Today,  Secured™ is one of the only cybersecurity and technology firms capable of applying over 20 years of experience in classified cyber operations to privacy and security solutions for the masses. New and different vulnerabilities are born every day, and we lean on our experience to find the best solution.

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