# Systems Administrator

**Company**: Leidos
**Location**: Columbia, MD
**Experience**: senior
**Job type**: full-time
**Salary**: $73,450.00 - $132,775.00
**Category**: IT
**Industry**: Technology

**Apply**: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Columbia-MD/Systems-Administrator_R-00192977?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_d48ebd17-a7e

## Description

We are seeking a Systems Administrator to join our team in Columbia, MD. As a senior technical resource, you will be responsible for system configuration, automation, security hardening, vulnerability remediation, monitoring, troubleshooting, and continuous improvement of Linux-based infrastructure and operational practices.

**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.

**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.

**Benefits**

- 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 more.

**Requirements**

- Bachelor’s degree in a technical discipline from an accredited college or university and 5 years of related experience.

- 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.

- Active TS/SCI with polygraph security clearance.

## Skills

### Required
- Linux administration
- RHEL
- Ansible
- Bash
- Python
- AWS
- EC2
- ECS
- EKS
- Systems Manager
- CloudFormation
- Linux security hardening
- vulnerability remediation
- configuration management

### Nice to have
- Advanced experience with Ansible and RHEL 9
- Experience with FIPS, SELinux, fapolicy, STIG requirements
- PKI
- Git-based workflows
- Terraform/CloudFormation
- Salt
- Kubernetes/container platforms
- Splunk
- Elastic
- CloudWatch
- SIEM solutions
- Nessus
- Jira
- Confluence

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Source: [Apply at leidos.wd5.myworkdayjobs.com](https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Columbia-MD/Systems-Administrator_R-00192977?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)