Currently, ManTech is seeking a skilled and motivated **Linux System Administrator** to join our team at **Puget Sound Naval Shipyard in Bremerton, WA** . This is an onsite position. **Job Summary:** The Linux System Administrator will be responsible for maintaining and enhancing Red Hat Enterprise Linux (RHEL) systems as well as supporting teammates in other Linux based environments. The role includes system installation, integration, troubleshooting, and providing technical solutions to optimize the operational capabilities of the RHEL systems. The successful candidate will work closely with IT professionals and contractors, ensuring systems are stable, secure, and properly configured. **Responsibilities include but are not limited to:** + Install and integrate hardware, perform system fixes, and apply updates and enhancements to RHEL systems. + Troubleshoot and resolve hardware/software interface issues and other complex or non-routine problems. + Review and implement Security Technical Implementation Guidelines (STIGs) to ensure systems meet security compliance. + Ensure the stability, security, and integrity of operating systems by supporting system development and maintenance. + Recommend improvements for system performance and troubleshoot operational challenges. + Document supported services, processes, configurations, and system fixes to ensure clear and accurate system records. + Maintain relationships with customers and provide tailored solutions to meet diverse needs. + Collaborate with IT professionals, contractors, and vendors to optimize system performance and efficiency. **Minimum Qualifications:** + A Bachelor's degree in Computer Science, Information Technology, or a related discipline or Six (6) or more years of related work experience. + Two (2) or more years of experience as a Linux Systems Administrator, including: + Hands-on experience with Red Hat Enterprise Linux (RHEL) + Experience working in a virtualized environment + Must possess an active IAT II Cybersecurity Workforce IA Certification (e.g., Security+ CE, CISSP, CCNA Security, CySA+, etc.). + Must have or be willing to obtain an Operating System Certificate (e.g. Red Hat Certified System Administrator, Azure Administrator Associate, etc) within 6 months of hire. **Preferred Qualifications:** + Red Hat Certified System Administrator (RHCSA) certification. + Strong troubleshooting and problem-solving skills, particularly with hardware/software interoperability. + Experience working in large-scale, complex IT environments. + Expertise in system integration, updates, and patch management. + Proficiency in reviewing, planning, testing, and implementing Security Technical Implementation Guidelines (STIGs). + Excellent communication skills with the ability to work with a diverse range of customers and teams. **Clearance Requirements:** + Must be a U.S. Citizen and have an active Secret security clearance prior to starting this position. **Physical Requirements:** + Ability to remain stationary for up to 50% of the time. + Occasional movement within the office for communication and accessing resources. + Must be able to lift up to 25 lbs. occasionally. ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.