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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Linux (RHEL) Operating Systems Lead - **Company:** TekSynap Corporation - **Location:** Rockville, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Microsoft Azure, Bash Shell, Computational Fluid Dynamics, Cloud Computing, Computer Clusters, Software Documentation, Linux, Monitoring of Systems, Job Scheduling, Python (Programming Language), Linux System Administration, Performance Tuning, Red Hat Enterprise Linux, Software Tools, Ansible, Service Pack, Shell Script, Virtualization Technology, Software Vulnerability Management, Cloud Platform System, High Performance Computing, Software Troubleshooting, Parallel Computation, Information Technology, Slurm, Puppet, Ansys, Engineering Base, User Accounts, Vmware - **Published:** July 16, 2026 - **Apply:** https://www.juju.com/job/00000000ggn3qs ## About the Role Experience + 8+ years of experience in **Linux system administration (RHEL preferred)** + Strong experience with: + Linux system performance tuning + Shell scripting (Bash, Python) + System monitoring tools + Experience supporting **HPC environments or compute clusters** + Familiarity with: + Virtualization (VMware) + Cloud environments (AWS GovCloud, Azure) + Knowledge of **FISMA, NIST, and federal security standards** + Strong troubleshooting and analytical skills Education + Bachelor's degree in IT, Computer Science, or related field (or equivalent experience) Clearance + Must be able to obtain and maintain an NRC security clearance (Public Trust or higher) Preferred Qualifications + Red Hat certifications ( **RHCSA, RHCE** ) + Experience with: + HPC schedulers (e.g., Slurm, PBS) + Parallel computing environments + Experience with scientific/engineering tools (e.g., **ANSYS, CFD applications** ) + Automation tools (Ansible, Puppet), The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee is regularly required to use hands to handle, feel, touch; reach with hands and arms; talk and hear. The employee is regularly required to stand; walk; sit; climb or balance; and stoop, kneel, crouch, or crawl. The employee is regularly required to lift up to 10 pounds. The employee is frequently required to lift up to 25 pounds; and up to 50 pounds. The vision requirements include close vision, distance vision, peripheral vision, depth perception, and ability to adjust focus. ## Description The **Linux (RHEL) Operating System Lead** is responsible for the administration and optimization of Red Hat Enterprise Linux (RHEL) systems supporting the NRC's High Performance Computing System (HPCS), including the Computational Fluid Dynamics (CFD) cluster and cloud-based environments., + Administer and maintain **RHEL-based systems** in standalone and cloud environments + Support **HPC/CFD Linux cluster operations** , including performance tuning and job scheduling + Install, configure, and maintain scientific and engineering applications (e.g., ANSYS, Nek5000) + Monitor system health, performance, and availability + Troubleshoot system failures and restore services quickly + Implement **security patches, updates, and vulnerability remediation** + Support **continuous monitoring and FISMA compliance activities** + Manage user accounts, permissions, and access controls + Configure networking, storage, and cluster components + Maintain system documentation, scripts, and operational procedures + Automate administrative tasks where possible + Support system upgrades, capacity planning, and scaling + Collaborate with stakeholders and participate in technical planning discussions Deliverables & Expectations + Monthly status and asset reporting + Participation in system health reviews and change control boards + Continuous improvement and modernization of systems ## Related Videos - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Cloud Vendor Lock-In - Is it just a new version of the Database Abstraction Layers?](https://www.wearedevelopers.com/videos/1185-cloud-vendor-lock-in-is-it-just-a-new-version-of-the-database-abstraction-layers) - [Running Secure Life Science Research at Scale using Hybrid GPU HPC and Kubernetes 🧬](https://www.wearedevelopers.com/videos/100355-running-secure-life-science-research-at-scale-using-hybrid-gpu-hpc-and-kubernetes) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Colorful quantum randomness](https://www.wearedevelopers.com/videos/100257-colorful-quantum-randomness) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [DevOps Engineer Salary [2023]](https://www.wearedevelopers.com/magazine/203-devops-engineer-salary-2023)