Linux System Administrator

abra professional services is seeking for an experienced Linux System Administrator to join a classified defense-related project. The role involves designing, deploying, and maintaining computing solutions for complex command-and-control systems in a dynamic and heterogeneous environment. Responsibilities include: Deployment and maintenance of computing solutions for complex command-and-control systems Troubleshooting customer issues both on-site and in project laboratories across multiple locations Providing fast and flexible solutions for users working in complex, multi-environment development systems Writing technical specifications, procedures, and operational documentation Integrating with interfacing systems and platforms Working in a dynamic and heterogeneous production environment Full on-site position at the company’s offices in Holon (not a hybrid role)

Requirements: Minimum of 3 years of experience working with Linux-based operating systems Experience managing Microsoft Active Directory / Domain environments Strong understanding of operating system processes Basic knowledge of TCP/IP networking Experience setting up Domain Controllers (DC) and creating and deploying Group Policy Objects (GPO) Experience installing and managing digital certificates (Microsoft CA) Experience managing virtualized environments (VMs) – VM creation, network configuration, snapshots Familiarity with NetApp storage systems – an advantage Additional Requirements Ability to integrate into an existing IT team with strong self-learning capabilities Position requires security clearance (candidates without clearance may undergo the classification process) Valid driver’s license (Class B / 02) Willingness to work non-standard hours when required Willingness to travel and work at multiple sites locally and abroad Strong teamwork and interpersonal skills