SAIC is seeking a Linux Systems Engineer capable of working with contractors, government personnel, and subject matter experts focusing on creating and recognizing targeting opportunities and strategies in the cyber-realm. The ideal candidate must be self-motivated, excel in independent and small-team environments, and demonstrate strong troubleshooting and problem-solving abilities with minimal supervision. This is an onsite position located in Arlington, VA, with flexible options. Daily tasks may include: • Supporting a variety of networks and systems in a mission-critical enterprise environment. • Operate independently or small-team environments, providing technical solutions through critical thinking, troubleshooting, and problem-solving. • Proactively seek out opportunities to learn new skills, technologies, and share knowledge with junior team members. • Takes initiative to find, prioritize, and execute on tasks to include, but not limited to, systems administration, systems automation, security audits, and patch management. • Professionally communicate with a mixed audience of both junior and senior technical peers, senior leadership, and government officials. Required Education / Experience: • Bachelors and 9 years or more experience. Masters and 7 years or more experience. Or 13 years of experience in lieu of degree. • Active Security+ or CISSP certification. • Recent, hands on, and in-depth experience working with RedHat Enterprise Linux and RedHat OpenShift. • Recent, hands on, and in-depth experience managing, maintaining, and automating RHEL infrastructure. • Strong ability to diagnose and resolve system performance issues. • Recent, hands on, and in-depth experience utilizing virtualization and containerization technologies such as Vmware, KVM, or Docker. • Intermediate to advanced experience with scripting language(s) – Bash and Python preferred. • Intermediate to advanced experience with automation tools – Ansible preferred. • Intermediate to advanced experience with networking technologies, protocols, and troubleshooting. Desired Education/Experience: • Familiar with managing and maintaining development or AI infrastructure. • Familiar with monitoring and logging tools, platforms, or systems. • Familiar with modern security standards and best practices such as DISA STIGS or CIS Benchmarks. • Familiarity with Mac OSX and Apple products. • Familiarity with Deep Web and Dark Web at the technical level. • Familiarity with VPN technologies, protocols, and implementations at the technical level. Desired Certifications: • RedHat Certified Engineer (RHCE). • RedHat Certified Systems Administrator (RHCSA). • CompTIA Linux+. Clearance/Citizenship Requirements: • U.S. Citizenship. • Active TS/SCI. • Active CI Polygraph preferred. • Ability to obtain a CI Polygraph.