As a solutions-based company, Precise Systems is focused on innovation in support of the warfighters and aligning our expertise to deliver the highest quality of service. Powered by our highly skilled workforces, we provide expert consultation on network and weapons systems acquisition programs, maintenance/modernization programs, and sustainment programs with solutions in Digital Transformation, Advanced Engineering, Physical Sciences Research, Platform Lifecycle Support, and Technical Services. Since our establishment, we have demonstrated and perfected our ability to manage the customer's needs, no matter how complex - offering exceptional service and the Precise solution. Functional Description: Seeking a skilled system administrator to ensure the confidentiality, integrity, and availability of systems and data through the planning, analysis, development, implementation, maintenance, and enhancement of information systems security programs, policies, procedures, and tools. The ideal candidate will have a strong background in Red Hat/Red Hat Enterprise Linux (RHEL) administration as the primary focus, with Windows administration experience as a secondary priority with excellent troubleshooting skills and a desire to learn new technologies and procedures. This work will be performed on site in Newport RI, there is minimal-to-no telework available. Key Responsibilities: * Administer, manage, and patch Red Hat/Red Hat Enterprise Linux (RHEL) environments, including system installation, configuration, maintenance, and optimization. * Support and maintain the virtual VMware vSphere infrastructure to ensure smooth operations across various environments. * Manage enterprise backup infrastructures. * Define and document Standard Operating Procedures (SOPs) for system operations. * Ensure systems are hardened and compliant with Security Technical Implementation Guides (STIGs) to maintain security and operational readiness. * Ensure system reliability and accessibility while preventing unauthorized access to systems and data. * Implement and monitor infrastructure health metrics to maintain optimal performance. * Provide hands-on system administration support, including system maintenance and troubleshooting. * Collaborate with team members and customers, requiring strong written and verbal communication skills along with strong organizational abilities. Required Experience / Certifications: * Extensive experience with Red Hat/Red Hat Enterprise Linux (RHEL) system administration. * Working knowledge of Windows administration and Active Directory. * Security+. Preferred Experience: * Experience with Red Hat, Linux, and Windows environments. * Database knowledge is a bonus but not required. * Familiarity with networking concepts, including switches, routers, VoIPs, and network protocols. Preferred Certifications: * Red Hat Certified System Administrator (RHCSA) or equivalent RHEL certification. * Windows 10 certifications. * Cyber Security Workforce (CSWF) Information Assurance Technician (IAT) Level I preferred. * Other certifications may be required per DoD requirements in the future. Additional Requirements: * Some travel, including overnight trips, may be involved. Must be able to obtain and maintain a Secret security clearance. Due to the sensitivity of customer-related requirements, U.S. Citizenship is required. Precise Systems and its subsidiaries are committed to an inclusive and diverse workplace that values and supports the contributions of each individual. This commitment and shared Vision and Values of Integrity, Respect, and Responsibility allow us to leverage differences, encourage innovation, and expand our success in the global marketplace. Precise Systems and its subsidiaries are Equal Opportunity /Affirmative Action Employers. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, protected veteran status, status as an individual with a disability, or any legally protected status under federal, state, or local law.