Job Description Description At SAIC, we are at the forefront of technological innovation in supporting the Navy's operational, strategic, and fleet readiness. We are committed to solving complex challenges and advancing the state of the art in Maritime Position, Navigation, and Timing (M-PNT) systems. Join us as we continue to define the future of the Navy's warfighter, delivering unparalleled solutions that make the world more connected, secure, and efficient. We are currently seeking a motivated Systems Administrator Senior Principal to join our talented team. In this role, you will be responsible for overseeing the entire IT infrastructure, including hardware, software, network security, and system performance, by managing complex system implementations, troubleshooting critical issues, leading system upgrades, and ensuring optimal system availability, while also mentoring junior administrators, all requiring strong technical expertise in operating systems, networking, security protocols, and excellent problem-solving and communication skills; key responsibilities include capacity planning, performance optimization, data protection, and proactive security measures. Work is performed on site in Norfolk, VA and Virginia Beach, VA. This position is contingent upon award news Spring of 2026. Key Responsibilities: * Assist in the design, implementation, and maintenance of complex IT systems, including cloud architecture, network infrastructure, and server configurations. * Proactively identify and address potential performance bottlenecks, scaling systems to meet growing demands, and optimizing resource utilization. * Enforce robust security policies, managing user access controls, vulnerability assessments, and incident response procedures. * Mentor and guide junior system administrators, providing technical expertise, and knowledge transfer. * Continuously monitor system health, identifying performance issues, and generating reports to stakeholders. * Assist with and test comprehensive disaster recovery plans, ensuring data integrity through effective backup procedures. What You Can Expect: * A culture of innovation, where your ideas and contributions are valued and make an impact. * Hands-on experience with state-of-the-art technology and field-testing opportunities. * A supportive environment that fosters professional growth and development. * Competitive salary and benefits package. Qualifications Qualifications: * Master's level degree in Electrical/Electronic/Computer Engineering, Computer Science, or Information Systems. * Ten (10) years professional experience in systems administration. * Strong proficiency in managing Windows and Linux operating systems, including scripting, automation, and troubleshooting complex technical issues. * Strong understanding of network protocols, routing, firewalls, and network security best practices. * Experience with major cloud platforms (AWS, Azure, GCP) and ability to design and manage cloud-based systems. * In-depth knowledge of security principles, threat analysis, and vulnerability management practices. * Proficiency in scripting languages (PowerShell, Bash) to automate repetitive tasks and streamline system management. * Ability to analyze complex technical problems, identify root causes, and implement effective solutions. * Excellent communication skills to interact with diverse stakeholders, clearly explain technical concepts, and collaborate with cross-functional teams. * Ability to plan, execute, and monitor IT projects, ensuring timely delivery and adherence to budget. * Working knowledge of network administration and troubleshooting of Cisco routing and switching. * Experience administering VMware ESXi, Red Hat Enterprise Linux, and Windows Server Operating Systems. Required Certificate: * Must possess a Department of Defense (DoD) 8570 CSWF certification. Required Security Clearance: * US Citizenship required. * Must possess or be able to obtain a Department of Defense (DoD) Secret security clearance. * Active Interim Secret or final Secret clearance is preferred. SAIC accepts applications on an ongoing basis and there is no deadline. Covid Policy: SAIC does not require COVID-19 vaccinations or boosters. Customer site vaccination requirements must be followed when work is performed at a customer site. Overview SAIC is a premier Fortune 500 technology integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, civilian and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives. We are approximately 24,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.4 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.