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HPC System Administrator - Stennis, MS - Active Top Secret Clearance Required! IT

SOC LLC
Sep 23, 2025
High Performance Computing (HPC) System Administrator needed for a Direct Hire opportunity with SOC's client to work onsite in Stennis, MS.

As a HPC System administrator you will provide technology consulting to external customers and internal project teams. Responsible for providing technical support and/or leadership in the creation and delivery of technology solutions designed to meet customers' business needs and, consequently, for understanding customers' businesses. As trusted advisor create and maintain effective customer relationships so as to insure customer satisfaction. Maintain knowledge of leading edge technologies and industry/market domain knowledge. Actively contribute to the company's solutions portfolio by providing information ranging from technical knowledge to methodologies based on experience gained from customer projects. Shape technical direction and technical strategies within the organization and for external customers. Accountable for consistent and significant chargeability levels (or expense relief for internal project teams) and for assisting in meeting or exceeding revenue and customer satisfaction goals. Contribute to organization's profitability by generating and cultivating new business opportunities and by providing technical support for deal proposal development.

Role Requires:

  • Top Secret Clearance, TS/SCI preferred
  • Security+ and Linux+ certification
  • Role will be on-site at customer location in Stennis, MS
  • Will require some on-call/weekend work
  • HPC experience



Contributions impact technical components of service products, solutions, or services regularly and sustainable. Applies advanced subject matter knowledge to solve complex business issues and is regarded as a subject matter expert. Provides expertise and partnership to functional and technical project teams and may participate in cross-functional initiatives. Exercises significant independent judgment to determine best method for achieving objectives. May provide team leadership and mentoring to others.

Responsibilities:

  • Monitoring and maintaining system health on the HPC system(s) - compute, network and storage
  • Reviewing, resolving and responding to client tickets
  • Creating, monitoring and closing all support cases
  • Maintaining availability reports for tracking SLA's
  • Planning, scheduling and completing monthly patch upgrades on all systems and 6-month kernel upgrades
  • Maintaining the system security posture required by the client
  • Assisting the client with app installations
  • Troubleshooting and repairing hardware issues
  • Tracking/documenting the hardware repairs as well as opening, tracking, closing part cases and returning replaced parts.
  • Maintaining the on-call schedule to support our 365 24x7x2/4 contracts
  • Assisting with hardware and system installation activities in new systems



Education and Experience Required:

  • 8+ years of professional experience and a Bachelor of Arts/Science or equivalent degree in computer science or related area of study; without a degree, three additional years of relevant professional experience (11+ years in total).
  • Top Secret Clearance, TS/SCI preferred
  • Role will be on-site at customer location in Stennis, MS
  • Will require some on-call/weekend work
  • HPC experience
  • CompTIA Security+ Certification Required
  • CompTIA Linux+ Certification Required



Knowledge and Skills:

  • Has sufficient depth and breadth of technical knowledge to design and scope multiple deliverables across a number of technologies as it pertains to HPC.
  • Has demonstrated innovation and communication of new deliverables and offerings.
  • Has led team in the delivery of multiple deliverables across multiple technologies.
  • Ability to develop solutions that enhance the availability, performance, maintainability and agility of a particular customer's enterprise.
  • Has contributed to the design and application of new tools.
  • Ability to re-use existing experience to develop new solutions to take to market.
  • Possesses an understanding, at a detailed level, of architectural dependencies of technologies in use in the customer's IT environment.
  • Frequently uses product and application knowledge along with internals or architectural knowledge to develop solutions. A recognized expert in one or more technologies within own technical community and also at regional level. Holds a vendor or industry certification in at least one discipline area.
  • Able to communicate with internal and external senior management confidently and demonstrate the professionalism of the job family.
  • Ability to work in a multi- technology environment with the ability to diagnose complex technical problems to their root cause. In addition to troubleshooting skills and consulting skills, has ability to summarize prognosis and impact at practice lead level. Ability to adapt a consulting style appropriate to the situation and can identify up-sell opportunities.
  • Be able to demonstrate a broad understanding of market dynamics, an industry area, commercial issues, and technical concerns whilst maintaining depth in core focus area.
  • Ability to present within own area of expertise as part of technical Demos.
  • Able to produce complete proposals for smaller engagements within own area of expertise.
  • Demonstrates broad knowledge in other technical areas in order to properly manage complex integration efforts. Demonstrates application of technical expertise in successful engagements involving multiple disciplines.
  • Able to independently complete solution implementation or application design deliverables.



Employment Prerequisites

The following requirements must be met to be eligible for this position: successful completion of a background investigation and drug urinalysis.

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

Note: Any pay ranges displayed are estimations, which may have been provided by job boards. Actual pay is determined by an applicant's experience, technical expertise, and other qualifications as listed in the job description. All qualified applicants are welcome to apply.


Estimated Min Rate: $98000.00

Estimated Max Rate: $140000.00
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