High Performance Compute Linux System Administrator - Stennis, MS - Top Secret C

HPC Linux Systems Engineer needed for a full time opportunity with SOC's client to work onsite in Stennis, MS.

Active Top Secret clearance is required (TS/SCI preferred).

Work Schedule: On-site 5 days/week with required on-call and weekend support as part of a 24x7x365 environment

• Monitor and maintain system health across HPC environments, including compute, network, and storage components.

• Review, respond to, resolve, and close client support tickets while meeting SLA requirements.

• Create, monitor, and close all support cases; maintain accurate documentation and reporting.

• Produce and maintain availability and SLA reports for customer systems.

• Plan, schedule, and execute monthly patching activities and semi-annual kernel upgrades.

• Maintain and enforce system security posture in accordance with customer and compliance requirements.

• Assist customers with application installations and system configuration support.

• Troubleshoot, repair, and replace hardware components; track and document hardware repairs and part replacements.

• Open, track, and close vendor hardware cases and manage return logistics for replaced components.

• Participate in and maintain the on-call rotation to support 24x7x365 contracts.

• Assist with new hardware and system installations, including rack, stack, and system bring-up.

• Provide technical leadership and act as a trusted advisor to customers and internal teams.

• Contribute to solution development, documentation, and continuous improvement initiatives.

• Active Top Secret clearance (TS/SCI preferred).

• CompTIA Security certification (required).

• CompTIA Linux certification (required).

• 5 years of Linux System Administration experience in enterprise or HPC environments.

• Bachelor's degree in Computer Science or related technical discipline
  (OR 8 years of relevant professional experience in lieu of degree).

• Hands-on experience supporting High Performance Computing (HPC) systems.

• Experience working in on-site, mission-critical environments with on-call responsibilities.

• Ability to work independently while collaborating with cross-functional technical teams.

• Strong written and verbal communication skills, including customer-facing interactions.

• TS/SCI clearance.

• Experience supporting government or classified environments.

• Experience contributing to technical proposals or solution design efforts.

• Vendor or industry certifications beyond Security and Linux .

• Prior experience mentoring junior engineers or leading technical initiatives.
  Deep technical expertise across Linux, HPC architectures, networking, and storage technologies.

• Ability to design and implement solutions that enhance availability, performance, security, and maintainability.

• Proven troubleshooting skills with the ability to diagnose complex issues to root cause.

• Strong understanding of architectural dependencies within enterprise and HPC environments.

• Experience contributing to the development and application of new tools and methodologies.

• Ability to clearly communicate technical concepts, risks, and impacts to senior technical and non-technical stakeholders.

• Demonstrated ability to operate in multi-technology environments and adapt consulting approaches to customer needs.

• Experience supporting or contributing to technical demonstrations and smaller proposal efforts.

The following requirements must be met to be eligible for this position:

• Successful completion of a background investigation

• Drug urinalysis

SOC, a Day & Zimmermann company, is an Equal Opportunity Employer (EOE AA M/F/Vet/Disability).

Note: Any pay ranges displayed are estimates provided by job boards. Actual compensation is based on experience, technical expertise, and qualifications.

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