Systems Administrator (UNIX/Solaris)

Spatial Front, Inc. (SFI), a two-time USA Today Top Workplaces awardee and Washington Top Workplaces honoree, is seeking a Systems Administrator (UNIX/Solaris) to support our growing team. The ideal candidate will support the administration, sustainment, security, and continuous improvement of the UNIX/Solaris infrastructure that supports PeopleSoft HCM in a secure, on-premises federal environment. This role is responsible for maintaining operating systems, servers, automation, and supporting utilities across development, test, and production environments. The ideal candidate combines strong Solaris/UNIX administration, scripting, troubleshooting, and secure network experience.

Work Location: Hybrid, On-site, Arlington, VA

Key Responsibilities:

• Administer, monitor, and sustain Solaris/UNIX servers and supporting infrastructure for PeopleSoft HCM and associated Oracle-based environments in a secure, on-premises setting.
• Install, configure, patch, harden, maintain, and troubleshoot operating systems, server components, utilities, and supporting services across development, test, and production environments.
• Manage system performance, capacity, startup/shutdown services, logs, file systems, user accounts, permissions, scheduled jobs (cron), and environment configurations.
• Develop and maintain shell scripts and automation tools to streamline administration, batch processing, monitoring, deployment support, and operational efficiency.
• Support system security, hardening, account administration, audit readiness, vulnerability remediation, and compliance with DISA STIGs or similar federal security requirements.
• Troubleshoot incidents involving servers, network connectivity, middleware dependencies, storage, backups, batch schedules, and system interfaces; coordinate resolution across teams.
• Support backup and recovery operations, contingency planning, patch cycles, change control processes, and environment readiness.
• Collaborate with application, database, integration, cybersecurity, and operations teams to maintain a stable, secure, and reliable platform.