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From the employer's careers site First seen 26 Oct 2026

Linux Systems Engineer

Leidos Chantilly, VA senior full-time

Salary

$131,300 - $237,350 per year

Apply on Leidos

Description

Leidos is seeking a Linux Systems Engineer to support a mission-critical customer environment in Chantilly, VA. This role involves administering, configuring, maintaining, and troubleshooting Linux-based systems and servers within a virtualized environment.

The successful candidate will support day-to-day system administration, engineering, configuration management, virtualization, and security operations across a multi-network environment.

Responsibilities:

  • Administer, configure, maintain, and troubleshoot Linux-based systems and servers within a virtualized environment.
  • Maintain the operational security posture of information systems and support day-to-day system security operations.
  • Perform and support system vulnerability scans, security audits, remediation, and compliance activities.
  • Implement and maintain system security configurations and requirements.
  • Provide configuration management for information system hardware, software, firmware, and security components.
  • Support system engineering activities, including planning, designing, analyzing, and improving hardware- and software-based system processes.
  • Troubleshoot complex system and infrastructure issues and develop effective technical solutions.
  • Support systems operating across multiple network environments.
  • Work collaboratively with engineers, developers, technicians, analysts, and users to identify requirements and resolve technical issues.
  • Investigate and document existing system architectures and configurations.
  • Support operational systems in a dynamic mission environment.

Requirements:

  • Active TS/SCI with the required Polygraph.
  • Bachelor's degree and approximately 12 years of relevant experience.
  • At least four years of recent experience supporting systems engineering, system administration, system processes, and/or software development methodologies.
  • Demonstrated hands-on experience with Linux system administration and engineering.
  • Experience maintaining the security posture of information systems, including system scans, security audits, and day-to-day security operations.
  • Experience with configuration management of system hardware, software, firmware, and security components.
  • Demonstrated ability to troubleshoot and solve complex technical problems.
  • Experience working as part of a multidisciplinary technical team.
  • Strong verbal and written communication skills.

Preferred Qualifications:

  • Experience with Red Hat Enterprise Linux (RHEL).
  • Experience implementing or maintaining DISA STIGs or similar system-hardening/security-compliance requirements.
  • Experience with virtualization and container technologies such as VMware, Red Hat Virtualization, and Docker.
  • Experience configuring, deploying, or maintaining Identity and Access Management (IdAM), Multi-Factor Authentication (MFA), and PKI-enabled systems.
  • Experience translating user and developer use cases into technical system requirements.
  • Experience documenting existing system architectures.
  • Experience supporting operational mission systems.

Pay Range: $131,300.00 - $237,350.00

Skills

Required

  • Linux system administration
  • Linux engineering
  • System vulnerability scans
  • Security audits
  • Configuration management
  • System engineering

Nice to have

  • Red Hat Enterprise Linux (RHEL)
  • DISA STIGs
  • Virtualization
  • Container technologies
  • Identity and Access Management (IdAM)
  • Multi-Factor Authentication (MFA)
  • PKI-enabled systems

Ready to apply?

You apply with the employer directly. Their original posting is here: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Chantilly-VA/Linux-Systems-Engineer_R-00195201

Apply on Leidos