Senior Staff Linux System Administrator

Responsibilities

• Install, configure, and maintain Red Hat Enterprise Linux (RHEL) workstations and servers in accordance with defined baselines
• Implement and maintain system security, hardening, integrity monitoring, backups, and auditing i.e. STIG, SCAP
• Perform patch and package management, including installation and maintenance of third-party software i.e. IDEs, Pypi, Docker registry
• Monitor system performance, availability, and health; troubleshoot and resolve hardware and software issues
• Support and maintain virtualized and workstation environments (e.g., VMware)
• Install, configure, and troubleshoot servers, switches, and storage systems
• Configure and support networking in mixed Linux and Windows environments
• Document system configurations, procedures, and changes in accordance with policies and requirements
• Collaborate effectively with team members, security personnel, and end users
• Provide technical support and respond to operational issues through resolution
• Participate in continuous improvement, automation, and modernization efforts

Requirements

• 4-6 years of professional experience administering Linux systems (RHEL preferred)
• Experience with: Installation and configuration of RHEL 8 servers and workstations
• System security, hardening (STIG), auditing, and backup strategies
• Patch and package management
• Virtualization technologies including VMware, Podman, Docker, Image registries, Red Hat Openshift/Kubernetes
• Hardware and software troubleshooting
• Networking in heterogeneous (Linux/Windows) environments
• Strong oral and written communication skills
• Detail oriented
• Proven ability to work collaboratively in a team environment
• Self-motivated, detail-oriented, and able to own issues through completion
• Ability to obtain and maintain a Secret security clearance

Preferred Skills

• Bachelor's degree in Information Technology, Network Engineering, Computer Engineering, or a related technical field
• Experience with: Dell servers, switches, and SAN solutions
• VMware vSphere
• Root Cause Analysis and documenting findings
• DISA SCAP Compliance Checker and DISA STIG implementation
• RHEL 8/9/10
• NAS and/or SAN configuration and maintenance
• Configuration management, Automation, Scripting (Ansible, Bash, Python)
• Git/GitLab and CI/CD pipelines
• Containers and orchestration (Podman/Docker, RHOCP/Kubernetes, minikube, image registries)

Benefits

• 4% Safe Harbor 401(k) match
• 100% company paid HSA Medical insurance, with a choice of 2 buy-up options
• 80% company paid Dental insurance
• 100% company paid Vision insurance
• 100% company paid Life insurance
• 100% company paid Long-term Disability insurance
• Short-term Disability insurance
• Annuity Profit-Sharing Plan
• Discretionary Performance Bonus
• Paid Parental Leave
• Generous Paid Time Off, including Holiday, Vacation, and Sick Pay
• Flexible work hours