Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges-and we're committed to the long-term well-being of our employees. MITRE is different from most technology companies. We are a not-for-profit corporation chartered to work for the public interest, with no commercial conflicts to influence what we do. The R centers we operate for the government create lasting impact in fields as diverse as cybersecurity, healthcare, aviation, defense, and enterprise transformation. We're making a difference every day-working for a safer, healthier, and more secure nation and world. Our workplace reflects our values. We offer competitive benefits, exceptional professional development opportunities, and a culture of innovation that embraces diversity, inclusion, flexibility, collaboration, and career growth. If this sounds like the choice you want to make, then choose MITRE-and make a difference with us. Join a team dedicated to MITRE's ongoing development of new and improved ways to support our National Security program sponsors. MITRE's Classified Infrastructure Services team seeks a senior systems administrator to support MITRE's enterprise classified infrastructure service portfolio. The successful candidate will be a strong Windows or Linux system administrator with willingness to expand in either direction and take charge of systems that support capabilities such as collaboration, high performance computing, a number of virtualization use cases all while maintaining required security requirements such as STIGs. We are looking for experience in one or more of the following areas: Experience with Windows client systems up to and including Windows 10 Experience with Windows server platforms up to and including Server 2016 Experience with Windows systems and user management via Active Directory and Group Policy Excellent analytical and problem-solving skills Strong written and verbal communications skills Collaboration (email, skype etc)High Performance Computing (GPU)Active DirectoryAutomation (Chef, Ansible)The senior engineer will have experience working in classified environments, understand STIG and related requirements. The successful candidate will work well with others on the team as well as complementary groups including information security and other IT functions.Key functions:Provide hands on system administration for one or more of the above capability areas across a number of environments.Work with others on the team, end users and other associated teams to resolve problems and ensure that the work program has the resources it needs to succeed.Other requirements:Top Secret ClearanceSecurity+ or CISSPThis requisition requires the following clearance(s):Top SecretMITRE is proud to be an equal opportunity employer. MITRE recruits, employs, trains, compensates, and promotes regardless of race, religion, color, national origin, gender, gender expression, sexual identity, disability, age, veteran status, and other protected status.MITRE intends to maintain a website that is fully accessible to all individuals. If you are unable to search or apply for jobs and would like to request a reasonable accommodation for any part of MITRE's employment process, please contact MITRE's Recruiting Help Line at or email at . Copyright © 1, The MITRE Corporation. All rights reserved. MITRE is a registered trademark of The MITRE Corporation. Material on this site may be copied and distributed with permission only.