Systems Administrator (UNIX/Solaris)

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. Requirements: Bachelor's degree in Computer Science, Information Systems, Engineering, or a related field (or equivalent relevant experience). 3+ years of UNIX/Solaris systems administration or infrastructure support experience. Experience supporting PeopleSoft HCM or similar ERP environments preferred. Hands-on experience with on-premises Solaris/UNIX administration, including OS configuration, patching, performance tuning, troubleshooting, file systems, services, user accounts, and job scheduling. Strong scripting and automation skills using shell scripting or similar tools. Experience supporting Oracle-based platforms, middleware, secured networks, and operational support processes. Must be a U.S. Citizen with an active Secret security clearance or the ability to obtain one. Experience working in secured federal or DoD environments preferred. Desired Skills: Familiarity with PeopleSoft HCM architecture, batch processing, interfaces, and Oracle ecosystem components in on-premises environments. Experience supporting DISA-secured networks or similarly controlled federal/DoD environments, including system hardening and compliance. Knowledge of runbooks, SOPs, change management, backup and recovery, incident management, problem management, and contingency operations. Ability to collaborate across infrastructure, database, application, security, and network teams. Additional Information: Clearance: Must be a U.S. Citizen with an active Secret security clearance or the ability to obtain one. Work Environment: On-site/Hybrid as required by the contract and program. Benefits: For more information, visit: This is a full-time, W2 position. No agencies, third parties, or Corp-to-Corp submissions. Spatial Front Inc. is an Equal Opportunity Employer — all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status. SFI participates in E-Verify. Salary Description 80,000 k - 140,000 k Spatial Front