Classified Sr. Systems Administrator

Classified Sr. Systems Administrator KBR — Delivering Solutions, Changing the World. KBR brings together the best and brightest to deliver science, technology and engineering solutions that help governments and companies around the world accomplish their most critical missions and objectives. In everything we do, we are guided by our ONE KBR Values: We Value Our People – We create diverse, inclusive environments in which each person can feel safe, respected and valued, and where everyone has opportunities to grow and reach their full potential. We Deliver – We are uncompromising in our commitment to deliver innovative, high-quality, technology-led solutions for our customers and exceptional, sustainable value for all our stakeholders. We Are People of Integrity – We value honesty, trust, courage, fairness, prudence and tenacity. We believe doing what’s right for the planet, the communities where we work, and our people is good for business. We Empower – We empower our people with a shared purpose, the right tools and the supportive culture they need to be proactive decision-makers, to be adaptive to change, and to succeed. We Are a Team of Teams – We have a will to succeed, but we value the achievements of our team of teams over individual accomplishments. Our collective focus makes us a better, stronger, more effective company. We have also embedded environmental, social and governance (ESG) principles in every business operation and corporate function. Not only are we committed to operating safely, sustainably and equitably, but we are also committed to using our capabilities and expertise to help our customers accomplish their sustainability goals. Worldwide, KBR employs a diverse workforce approximately 29,000 people strong, with customers in more than 80 countries and operations in 40 countries. At KBR, We Deliver. Job Overview: We are seeking an experienced and highly skilled Classified Senior Systems Administrator to join our team. In this role, you will be responsible for the administration of a variety of critical data systems, including computer systems hardware, software, information systems, and peripheral equipment such as servers, desktops, printers, and storage devices. You will maintain, install, upgrade, and configure systems, manage operating systems, and ensure the security and recovery of classified systems. You will leverage your technical expertise to solve complex problems, improve processes, and provide guidance to junior team members under general supervision. Key Responsibilities: Administer and maintain classified computer systems hardware, software, information systems, and peripheral devices (e.g., servers, desktops, printers, storage solutions). Install, configure, and upgrade system hardware and software to ensure maximum performance, security, and compliance. Manage operating systems, ensuring they are up-to-date, secure, and functioning efficiently. Develop and implement security protocols and recovery procedures, including regular system backups and disaster recovery plans. Troubleshoot and resolve complex system issues, utilizing deep knowledge of the field and industry best practices. Continuously improve processes and systems to enhance overall performance, security, and efficiency. Provide guidance, mentorship, and training to junior team members, assisting in their professional development. Monitor system performance, identify potential issues, and recommend improvements or optimizations. Ensure compliance with organizational and regulatory standards for classified systems. Develop and maintain comprehensive documentation on system configurations, upgrades, and procedures. Support cross-functional teams with system-related tasks, such as integration and deployment of new infrastructure. Serve as a technical expert and point of escalation for critical system incidents, providing timely resolutions. Qualifications: An undergraduate degree in Information Technology, Computer Science, or a related field, or equivalent work experience. A minimum of 5 years of experience in systems administration or a related IT field, with a focus on managing complex data systems. Extensive experience with computer systems hardware, operating systems (Windows, Linux, Unix), and peripheral equipment. Strong understanding of IT security practices, including encryption, access controls, and backup/recovery procedures. Proven ability to troubleshoot and resolve complex technical issues, using problem-solving skills and industry best practices. Experience in maintaining system performance and implementing improvements to ensure reliability and efficiency. Ability to mentor and guide less experienced team members, fostering collaboration and knowledge sharing. Strong organizational and communication skills to document and report on system status and incidents. Ability to work independently and as part of a team in a fast-paced, dynamic environment. Preferred Qualifications: Relevant certif