Systems Engineer II

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

The AEGIS program at Leidos is seeking an experienced Systems Engineer with detailed knowledge of HPC (High-Performance Computing) architecture with Windows/Linux environments who will provide support for Engineering projects at Marshall Space Flight Center (MSFC).  The applicant will interface with MSFC system admins, engineers and architects in supporting HPC and other computing and storage platforms. The applicant will be responsible for security architecture of the related systems and associated systems software.

Primary Responsibilities:

• Review and enhance architecture of HPC Windows/Linux landscape, processing and jobs.

• Provide core Windows and Linux systems administration support for MSFC IT resources and laboratory environments. 

• Develop and implement strategies to achieve and maintain security compliance, including vulnerability mitigation, system hardening, and log collection/analysis. 

• Specify solutions to replace end-of-life (EOL) operating systems and aged physical systems. 

• Maintain and modernize virtualization and containerization platforms.

• Provide analysis related to the design, development, and integration of replacement systems, hardware, software and/or operating systems. 

• Utilize software solutions to perform continuous monitoring of compute and storage systems.

• Development and documentation of “Best Practices” for the MSFC userbase.

• Testing new application releases.

• Stay updated with emerging technologies, trends, and best practices for HPC and Artificial Intelligence systems.

• Specify and deploy tools for fair use and scheduling of HPC resources

Basic Qualifications:

• Bachelor's degree in Information Technology, or a related technical field.

• Minimum of four (4) years of experience supporting High-Performance Computing (HPC) environments and systems management.

• Demonstrated ability to effectively collaborate with engineers, designers, programmers, and other technical stakeholders.

• Ability to read, interpret, and understand system architecture and technical drawings.

• This position requires onsite support at NASA's Marshall Space Flight Center in Huntsville, Alabama.

Preferred Qualifications:

• SDA (software defined access) architectural principles, integration dependencies, and solution mapping.

• Ansys HPS.

• Cohesity data integrity with cloud archiving.

• Nutanix AHV virtualization.

Clearance requirements: 

• U.S. Citizenship is required.

• Ability to obtain and maintain a Public Trust.

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

Original Posting:

August 5, 2026

Pay Range:

Pay Range $69,550.00 - $125,725.00

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.