Linux Administrator - Mid-Level (Top Secret/SCI Clearance )

What company will I be working for? You will be working for a national security services firm, providing cutting-edge services across DoD and other agencies. At Inflow, we believe in making it matter for every employee, every customer, and every mission we support. That means that we put employees first, providing both innovative benefits and great technology. Check out https://inflow-ns.com/inflowees to learn more about what it’s like to be an Inflowee. 

Who will I be working with? In support of Inflow's contract with the Government, you will be working alongside Government civilians and other Government contractors. 

What level Clearance do I need? You must possess an active DoD Top Secret clearance, with eligibility for SCI and a CI Scope Polygraph within 180 days.

What will I be doing? Using your expertise in Linux administration, you will be providing support for critical missions, ensuring that data stays fast, fluid, and impenetrable. In addition, you will:

Drive the secure deployment and lifecycle management of Linux workstations, enterprise servers, and HPC clusters

Eliminate manual toil by developing sophisticated automation scripts using Shell and Python

Drive system consistency and rapid deployment using Ansible for configuration management and automation

Maintain and push the performance limits of HPC clusters utilizing industry-leading tools like Bright, Slurm, and xCAT

Author and maintain high-fidelity documentation for system configurations, operational playbooks, and strategic plans

Configure and optimize Linux networking services to ensure seamless, high-bandwidth connectivity

Modernize workflows by deploying and managing containerized environments using Docker, Podman, and Apptainer

Implement and manage robust security layers, including advanced firewall configurations and fine-tuned SELinux policies

Efficiently administer local and remote filesystems, ensuring data integrity and high-speed access across the network

Other duties as assigned

What experience, training, and education do I need?

You must meet the minimum requirements:

Bachelor’s degree in Computer Science, Math, Engineering, Physics, or STEM

Active DoD Top Secret with eligibility for SCI and a CI Scope Polygraph within 180 days

Ability to obtain and maintain Special Access Program (SAP) eligibility

Active CompTIA Security+ CE, ISC2 SSCP, or equivalent baseline certification

U.S. Citizenship: Required for clearance eligibility

Extensive professional experience in Linux system administration (RHEL preferred)

Proven ability to troubleshoot and resolve intricate hardware and software bottlenecks under pressure

Strong critical thinking skills with a methodical approach to complex system challenges

The following is preferred:

Advanced Certification: RHCE, RHCSA, or similar

DevOps Skills: Advanced proficiency in Ansible, Python, and Bash for infrastructure-as-code environments

Experience with container technologies (Docker/Podman) and scientific computing tools (Apptainer)

Supercomputing: Hands-on experience tuning HPC clusters with Bright, Slurm, and/or xCAT

Strong background in Linux networking and virtualization platforms (VMware, Nutanix)

Where is the client site that I would be working for? You will be working in Huntsville, AL. Address disclosed after your clearance is verified.

Inflow is an EEO/Affirmative action employer and is committed to hiring and retaining a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. 

By submitting your application for a position at Inflow, you acknowledge and consent to our participation in the E-Verify program. If selected for hire, you will be required to provide specific documentation to establish your identity and eligibility to work in the United States, as required by federal law.