Demo

HPC Systems Administrator

Apex Systems
Biloxi, MS Full Time
POSTED ON 3/24/2026
AVAILABLE BEFORE 4/24/2026
Job#: 2052856

Job Description:

HPC Systems Administrator

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

Management Level Definition:

Contributions impact technical components of HPE 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).
  • CompTIA Security Certification Required
  • CompTIA Linux Certification Required
  • TS Clearance 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.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or 844-463-6178 .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is part of the Commercial Segment of ASGN Incorporated.

NYSE: ASGN

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.

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