Peraton is seeking a talented Senior Systems Engineer to become an integral part of our Cyber Missions team in San Antonio, TX. If you thrive in dynamic environments, enjoy solving complex technical challenges, and want to work with cutting-edge technologies, this is the role for you! What You’ll Do: Work in a cloud-based platform built with Java and open-source technologies , including Kubernetes, Hadoop, and Accumulo , to support data-intensive analytics on a managed infrastructure. Be a key member of the Operations Team , ensuring smooth day-to-day operations, providing top-notch customer support, and leveraging your troubleshooting expertise to resolve technical challenges. Collaborate with a fast-paced, innovative team where your proactive mindset and attention to detail will make a real impact. Gain exposure to a variety of technologies and customer environments, continuously expanding your skills and experience. Provide Tier 1 through Tier 3 support in an on-call capacity, helping maintain operational excellence. Troubleshoot and resolve operational issues in Linux environments , with opportunities to deepen your expertise in Docker, Kubernetes, Hadoop , and scripting languages like Python and Bash . Why Peraton? At Peraton, you’ll work alongside some of the brightest minds in the industry on missions that truly matter. We offer a culture of innovation, professional growth, and the chance to work on technologies shaping the future of cyber operations. Take the next step in your career – join Peraton and make an impact!