Senior Linux Systems Administrator

4 weeks ago


San Diego, California, United States Sigma Defense Systems Inc Full time
Job Summary

Sigma Defense Systems Inc is seeking a highly skilled Senior Linux Systems Administrator to provide on-site support in Patuxent River, MD USA.

This is a challenging opportunity for a motivated individual to join our team and contribute to the success of our organization.

Key Responsibilities:

  • Operate Linux-based systems, understand key concepts, use Linux to deploy and operate applications and services, and understand Linux networking fundamentals and its role of supporting cloud-native deployments.
  • Provide a wide range of systems administration and operational network set-up to include, but are not limited to: providing system administration of Network, Web, and communication systems, including Local Area Network (LAN) and Wide Area Network (WAN) systems.
  • Configure servers, create monitoring reports and logs, and ensure functionality of network links.
  • Troubleshoot commercial-off-the-shelf (COTS) automated data processing (ADP) equipment to the lowest sub-assembly /module level identified in the original equipment manufacturer (OEM) manual, and provide a repair action report with recommendation to appropriate authority regarding the repair or replacement with the next higher level assembly/module.
  • Supporting assessment and authorization efforts in accordance with existing Security Directives.
  • Monitor website for acceptable performance and user accessibility.
  • Consult with and advise users on computer operating system related issues.
  • Configure and optimize network servers and associated encryption technologies.
  • Being responsible for system configuration management implementation.
  • Preparing technical implementation plans that provide integrated solutions including course of actions, milestones, timelines and critical paths required for complete solutions.
  • Preparing activity and progress reports regarding the network performance.
  • Regularly perform audits of network and server policies and procedures as directed by the Information Assurance Manager (ISSM).
  • Analyze IA security scans and DISA STIGs in order to update and maintain the system authorizations.
  • Monitor and ensure commands compliance with published IA policy and guidance at a minimum, Security Technical Implementation Guides (STIGs), Information Assurance Vulnerability Alerts (IAVAs) and Bulletins (IAVBs), Operational Directives, Cyber Command Task Orders.

Requirements:

  • 2-3 years with a degree from a university or accredited college, or 5 years of experience with no degree or advanced certifications.
  • P-8A Application Based Architecture (ABA) and or, P-8A Tactical Open Mission (TOMS) software and TOMS Software Development Environment (SDE).
  • Candidate must possess an active, DoD issued Secret security clearance.
  • Security+ (or equivalent DoDM 8140 certification), RHCSA Red Hat Certified System Administrator (highly desired), Linux Foundation Certified System Administrator (LFCS) (highly desired), Linux Foundation Certified IT Associate (LFCA) (highly desired).

Salary Range: $110,000 - $135,000 annually.

Benefits:

  • Dental and Vision Insurance
  • Medical Insurance to Include HSA, FSA, and DFSA Plans
  • Life and AD&D coverage
  • Employee Assistance Program (EAP)
  • 401(k) Plan with Company Matching Contributions
  • 160 Hours of Paid Time Off (PTO) with Carry-Over up to 240 hours
  • 12 (Floating) Holidays
  • Educational Assistance
  • Highly Competitive Salary


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