Linux System Administrator

About the role

SciTec is a dynamic non-traditional defense contractor that supports U.S. National Security and Defense. We are seeking a skilled Linux System Administrator to support our programs delivering Next-Generation Missile Warning software.

Responsibilities

• Install, configure, and maintain Red Hat Enterprise Linux (RHEL) and Windows workstations and servers in accordance with defined baselines
• Implement and maintain system security, hardening, integrity monitoring, backups, and auditing
• Perform patch and package management, including installation and maintenance of third-party software
• Monitor system performance, availability, and health; troubleshoot and resolve hardware and software issues
• Support and maintain virtualized environments (e.g., VMware)
• Install, configure, and troubleshoot servers, switches, and storage systems
• Configure and support networking in mixed Linux and Windows environments
• Apply DISA STIGs and support compliance activities using tools such as SCAP
• 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

• 3+ years of professional experience administering Red Hat Enterprise Linux (RHEL) and Microsoft systems
• Experience in: Installation and configuration of servers and workstations, System security, hardening, auditing, and backup strategies, Patch and package management, Virtualization technologies, 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 resolution, Ability to obtain and maintain a Secret security clearance

Qualifications

• 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 and vCenter, DISA SCAP Compliance Checker and DISA STIG implementation, RHEL 7/8/9, Amazon Web Services (AWS), NAS and/or SAN configuration and maintenance, Automation and scripting (Bash, Python, Perl, PowerShell), Configuration management tools (Ansible or similar), Git/GitLab and CI/CD pipelines, Containers and orchestration (Docker, Kubernetes), Database maintenance or basic web application support
• Relevant certifications such as: Security+, RHCSA / RHCE, Microsoft certifications