Systems Administrator - SE Linux / MLS (TS/SCI Clearance Required)

This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. North Point Technology is hiring a senior Linux Administrator SME to support enterprise MLS configurations across mission-critical environments, including the Centralized Supercomputing Facility (CSCF) and other high-impact programs. This role is ideal for a deep Linux security expert who can own SELinux and MLS policy implementation, automate administration at scale, and strengthen secure platform operations across complex environments. Responsibilities Administer and harden Linux systems supporting enterprise MLS environments across HPC and other mission-focused programs. Lead SELinux and MLS configuration efforts, including policy development, MAC labeling, security contexts, least-privilege access controls, FreeIPA integration, and MLS network interface configuration. Troubleshoot complex Linux and kernel-level issues using source code analysis, system logs, and low-level diagnostic tools. Manage patching and system lifecycle activities, including Satellite repository administration and custom kernel builds to support functionality and security requirements. Automate system configuration, maintenance, and patching with Ansible and Satellite Server. Support identity and access management integrations, including LDAP and token-based authentication, and partner with engineering and support teams to improve security, stability, and operational consistency across critical Linux environments. Required Qualifications Bachelor’s degree in Computer Science, AIS, or related field 10+ years of relevant professional experience At least 5 years of experience developing or supporting system software in heterogeneous, multi-platform environments Deep expertise in SELinux and MLS administration, including policy configuration, MAC labeling, security contexts, policy debugging, MLS FreeIPA, MLS Ethernet interface networking, and least-access policy development Strong scripting skills in Bourne/Bash and Expect Experience debugging Linux kernel issues using source code analysis, system logs, crash, systemtap, or similar tools Experience managing Satellite repositories for patching and custom kernel builds Experience automating system configuration and maintenance with Ansible and Satellite Server Understanding of identity management systems, including LDAP and token-based authentication Strong problem-solving skills and the ability to work independently in complex technical environments Preferred Qualifications Experience supporting High Performance Computing environments Experience administering large-scale Linux infrastructure in secure or mission-driven settings Experience improving operational workflows through automation and standardization North Point Technology is the best place to work for curious-minded engineers motivated to support our country’s most crucial missions! We focus on long term projects, leveraging the latest technology in support of innovative solutions to solve our customer’s most difficult problems. At North Point Technology, employees come first! We value our employees by providing excellent compensation, benefits, and a flexible work-life balance. We strive for a close-knit and open atmosphere where the owners are always directly available to our team members. Come join us! Apply with North Point Technology today! For positions requiring a federal security clearance, your clearance level must be clearly identified on your resume. #J-18808-Ljbffr North Point Technology