Systems Administrator

Coreone

Tampa, FL permanent

Posted: April 10, 2026

Required Skills

Job Description

Join our team at Core One! Our mission is to be at the forefront of devising analytical, operational and technical solutions to our Nation's most complex national security challenges. In order to achieve our mission, Core One values people first! We are committed to recruiting, nurturing, and retaining top talent! We offer a competitive total compensation package that sets us apart from our competition. Core One is a team-oriented, dynamic, and growing company that values exceptional performance!

Responsibilities

• Provide on-site Linux and Windows system administration, network, and end-user support for the operation and maintenance of Modeling & Simulation (M&S) and other network systems to include hardware, software, and communications interface for the M&S and other various networks.

• Uses specialized knowledge of operating systems including installation, configuration, maintenance, patching, triage, and hardening. Able to monitor infrastructure and operating system level services.

• Develops technical solutions to complex problems which require the regular use of ingenuity and creativity.

• Review, test, and integrate newly acquired hardware, software (to include commercial or government developed software), and firmware.

• Perform systems administration of Linux systems with Red Hat operating system, Windows client and server, and VMware virtual environment.

• Perform day-to-day systems administration to include establishing/maintaining/purging users accounts; trouble shooting/auditing the systems/network and taking remedial corrections; performing backups of user and OS files; adherence and implementation of all client and government security/cybersecurity regulations, policies, procedures, guidelines to ensure systems/networks are secure; Research and develop life cycle replacement plan and implement /develop/coordinate systems accreditation with government agencies.

Qualifications

Required:

• Active TS/SCI clearance

• 10+ years experience and Bachelor's degree in related field

• Information Assurance Technology (IAT) Level II Certification required (to include Baseline Certification, Computing Environment/Operating System Certificate, and Continuous Education), IAW DoD 8570.01-M

• Extensive Linux/Windows/VMware experience and expertise; broad experience with a variety of legacy and current software and hardware systems

• Expertise in systems security testing and hardening, data integration, system documentation, automation scripting, and troubleshooting

• Ability to work independently on highly sensitive and critical projects and systems

Desired

• Experience working on a Combatant Command staff or equivalent a plus

• Experience working with DELL EMC storage

• Experience working with Microsoft System Center Configuration Manager

• Experience working with VMware vCenter server and vSphere

• Knowledge of Joint Operations a plus

• Experience with the USCENTCOM AOR a plus

• Masters Degree in a related field a plus

__PRESENT

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