Lead / Senior Linux System Administrator

Job Description

Description

The Public Health and Human Services Operation of Leidos is seeking a Lead / S enior Linux System Administrator to lead a team of system administrator professionals in managing a high-performance computing (HPC) infrastructure used by public health researchers and scientists. This senior-level position requires extensive Linux expertise combined with a deep understanding of the specialized hardware, software, and networking required for scientific research and large-scale data analysis.

Preference :

be located in the Atlanta, GA area for occasional onsite work

be a US Citizen with the ability to obtain a Public Trust Clearance

The candidate provides secure and always-on infrastructure services, accessed by researchers to customer-sponsored data hosted in an on-premise infrastructure and the cloud, and secure access to the high-performance computing resources for scientific research.

• High-performance Computing infrastructure management :  Deploy, administer, and monitor HPC clusters. Manage multi-petabytes of data using Pure Storage flash memory storage, AWS S3 Glacier.
• Software and resource management :  Install, maintain, and upgrade scientific software, libraries, and batch schedulers such as GridEngine and Slurm. The role also involves developing effective processes and solutions for sharing resources across multiple research teams.
• VMware : Manage the VMware vSphere Foundation for virtual server provisioning, deployment, and configuration, as well as hardware and software implementation and maintenance.
• System Operations : System monitoring, routine and ad hoc security patch management, troubleshooting, performance tuning,
• Project planning and coordination : Advise customer and Project Manager in designing and documenting technical solutions. Support infrastructure projects, from planning, coordinating team activities, executing planned activities, and providing status update. Communicate and work collaboratively with internal and client team members across the program, provide technical council, and / or alternative designs, solutions, and or processes to leadership.
• Automation and scripting :  Lead automation efforts to streamline system management tasks using scripting languages (Bash, Python) and configuration management tools (Puppet,Ansible).
• Research collaboration :  Work closely with scientists, bioinformatics developers, and principal investigators to understand their computational needs and translate scientific goals into technical configurations. This includes providing technical support to help optimize workflows.
• System architecture and deployment :  Lead the technical design, integration, and optimization of on-site HPC and cloud resources.
• Mentorship and team coordination :  Guide and mentor other system administrators on best practices for system administration and troubleshooting. Some roles involve managing a team of system administrators.
• Security and compliance :  Implement robust security measures, manage access controls, and design architectures that meet compliance standards such as HIPAA or NIST. Support SA&A process
• Disaster recovery and monitoring :  Design and implement backup and disaster recovery plans. Integrate monitoring and alerting systems to ensure system availability and reliability.

REQUIRED EDUCATION AND EXPERIENCE

DESIRED QUALIFICATIONS :

At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”

If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.

Original Posting : September 29, 2025

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 $89,700.00 - $162,150.00

The Leidos pay range for this job level is a general guideline only and 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.

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