Job Details

Description

Join Leidos, a FORTUNE 500 company renowned for its innovative technology and expertise in national security, engineering, and health industries. We are seeking an Intermediate Linux System Administrator to support the Defense Information Security Agency (DISA). This is an onsite position located in Columbus, OH, providing a unique opportunity to enhance your skills in a collaborative environment.

Primary Responsibilities:

• Perform hands-on touch labor in a dynamic data center environment.
• Effectively manage, configure, and optimize Linux servers, including Ubuntu, CentOS, RHEL, and more.
• Assess and validate current security posture, implementing configuration changes to enhance enterprise security as directed.
• Utilize Security Content Automation Protocol (SCAP) tools and Security Technical Information Guides (STIGs) to maintain compliance with security standards.
• Conduct routine maintenance, updates, and patch management for Linux systems.
• Troubleshoot server-related issues promptly to minimize downtime.
• Monitor system performance to ensure optimal availability and uptime.
• Implement industry best practices for security, including firewall configurations and access controls.
• Automate tasks using scripting and configuration management tools like Ansible and Puppet.
• Oversee storage solutions, backup strategies, and disaster recovery plans.
• Collaborate with IT teams to support diverse applications and services.
• Maintain comprehensive documentation for system configurations and processes.
• Provide continuity of operations support as needed.
• Conduct technical analyses and produce thorough documentation for root cause analysis and process improvement initiatives.

Basic Qualifications:

• Bachelor's degree with 4+ years of relevant experience or Master's degree with 2+ years of experience. Equivalent experience may substitute for a degree.
• Active Secret clearance and ability to pass a drug test required.
• Must hold a DoD 8570 IAT Level II certification (e.g., CompTIA Security+).
• 3-5 years of hands-on experience in supporting and maintaining Linux-based infrastructure in a production environment.
• Solid understanding of server architecture and datacenter operations, including system provisioning and maintenance.
• Familiarity with core network services (e.g., DNS, DHCP, NTP) in Linux contexts.
• Experience with security compliance frameworks and tools like SCAP and STIGs.
• Foundational knowledge of cryptographic principles including encryption methods and digital signatures.
• Excellent interpersonal skills and ability to communicate effectively across teams.
• Highly detail-oriented, dependable, and proactive with strong organizational skills.
• Record of strong analytical and troubleshooting capabilities in complex Linux environments.

Preferred Qualifications:

• At least 1 year of experience with scripting and automation tools.
• Experience with certificate-enabled applications, such as SSL/TLS and secured file systems.
• Familiarity with AWS cloud services.
• Skills in installing and configuring software and security updates to maintain system security.
• Able to identify and improve inefficiencies within Windows and Citrix infrastructures as needed.

Original Posting: May 1, 2025

This position offers the chance to enhance your technical skills while contributing significantly to national defense operations.

Pay Range: $72,150.00 - $130,425.00

The pay range provided is only a guideline, and actual compensation may vary based on a variety of factors, including responsibilities, education, and experience.