Systems Engineer

ManTech International seeks a Linux Systems Engineer to support mission-critical Defense & Aerospace programs within our IT & Data Management team. In this role, you will design, secure, and maintain Linux-based infrastructures that power sensitive national security missions. Responsibilities include system hardening, automation, monitoring, and troubleshooting in classified and unclassified environments. You will collaborate with cyber, data, and engineering teams, leveraging ManTech’s mission…