CACI is looking for an experienced Computer Systems Engineer with expertise in Linux and Windows computing infrastructure design and maintenance, cybersecurity, and networks to work with our Computer Systems Engineering team supporting NASA's human-rated spacecraft systems in support of our Nation's space exploration initiative at NASA / Johnson Space Center (JSC) in Houston, TX. Candidates should have a strong background in Linux, networking, computer system design, familiarity with Windows and cybersecurity, and, most of all, possess a great passion to contribute to our Nation's exploration of space. The candidate will be part of a team that provides a range of computer systems support to NASA at the Johnson Space Center including user support, security management, network design and operation, account management and provisioning, operation of IT infrastructure services, computing equipment setup, and subject matter expertise for NASA projects. This position requires a self-motivated, capable person with strong verbal and written communication skills. In addition to outstanding technical expertise, the individual must be very people savvy, possess strong customer relationship skills, have a positive team-player attitude, and be flexible and willing to take on new assignments and responsibilities as they arise. Finally, the most qualified candidate will be an articulate speaker able to communicate complex technical ideas in a convincing manner, must share our passion for our Nation's Space Program, and in the excitement of developing the next human-rated space vehicles.