Enter a job title or keyword

Systems Administrator AWS

Leidos


Job Location:

Columbia, SC - USA

Yearly Salary: USD 92300 - 166850
Posted: 29 September 2026 (Yesterday)
Application Deadline: 27 December 2026
Vacancies: 1 Vacancy

Job Summary

Leidos has a new and exciting opportunity for a Systems Administrator in our Intelligence Sector Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering Computer Network Operations (CNO) Mission Software Analytical Methods and Modeling Signals Intelligence (SIGINT) and Cryptographic Key Management. At Leidos we offer competitive benefits including Paid Time Off 11 paid Holidays 401K with a 6% company match and immediate vesting Flexible Schedules Discounted Stock Purchase Plans Technical Upskilling Education and Training Support Parental Paid Leave and much more. Join us and make a difference in National Security!


This position is eligible for a $10k sign on bonus!


Job Summary

The ideal candidate brings deep hands-on Linux administration experience and is comfortable supporting mission-critical Development Test and Production environments using command-line tools system logs automation and established change-management processes. The Linux Systems Administrator will serve as a senior technical resource responsible for system configuration automation security hardening vulnerability remediation monitoring troubleshooting and continuous improvement of Linux-based infrastructure and operational practices.


Primary Responsibilities

  • Administer configure secure monitor and troubleshoot RHEL/Linux systems across Development Test and Production environments supporting mission-critical workloads.
  • Lead troubleshooting and root-cause analysis across operating systems applications storage authentication performance and network connectivity using Linux command-line tools system logs and monitoring platforms.
  • Manage Linux system lifecycle activities including account and permission administration patching package management software installation service configuration upgrades and ongoing system maintenance.
  • Implement and maintain Linux security controls hardening standards vulnerability remediation configuration baselines and compliance requirements.
  • Develop and maintain automation and configuration-management solutions using Ansible Bash Python or comparable technologies to improve consistency reliability and operational efficiency.
  • Independently research and resolve complex technical issues while collaborating with SAs DBAs SWEs SEs testers and other team members to develop sustainable solutions and promote knowledge sharing across the team.
  • Develop and maintain technical documentation SOPs operational runbooks system configurations and change records and participate in rotational on-call support for the mission environment.

Basic Qualifications

  • Bachelors degree in a technical discipline from an accredited college or university and Eight (8) years of related experience. Five (5) years of additional related experience may be substituted for a bachelors degree.
  • Extensive hands-on Linux systems administration experience including RHEL or comparable enterprise Linux distributions supporting complex production environments.
  • Experience administering Linux systems including accounts and permissions package management patching system services storage authentication system configuration and performance monitoring.
  • Hands-on experience with automation or configuration management using Ansible or comparable technologies along with Bash and/or Python scripting.
  • Strong Linux troubleshooting skills and knowledge of networking fundamentals including DNS TCP/IP IP addressing ports routing and firewalls.
  • Experience with Linux security hardening vulnerability remediation configuration management and formal change-control processes.
  • Experience with AWS including EC2 ECS (Elastic Container Service) EKS (Elastic Kubernetes Service) Systems Manager (SSM) CloudFormation and associated monitoring and operational services.
  • Security Clearance Requirement: Active TS/SCI with polygraph.

Desired Qualifications

  • Advanced experience with Ansible and RHEL 9 including automated configuration provisioning and repeatable system administration.
  • Experience with AWS including EC2 Systems Manager (SSM) CloudFormation and associated monitoring and operational services.
  • Experience with FIPS SELinux fapolicy STIG requirements vulnerability remediation and Linux security controls.
  • Experience with PKI including certificates keys trusted authorities and certificate revocation lists.
  • Experience with Git-based workflows Terraform/CloudFormation Salt or other infrastructure/configuration automation technologies.
  • Experience supporting Kubernetes/container platforms and monitoring logging or security technologies such as Splunk Elastic CloudWatch SIEM solutions or Nessus.
  • Experience with Jira and Confluence and supporting Linux infrastructure within secure government Intelligence Community DoD or similarly regulated environments.






CONMD

CSSRC

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:
September 23 2026

For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $92300.00 - $166850.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.


Required Experience:

Unclear Seniority


About Company

Company Logo

Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.

View Profile View Profile