iper Companies is seeking a Solaris & Linux System Administrator to join a leading government and defense technology organization. The Solaris & Linux System Administrator will support enterprise Solaris and Linux environments, ensuring the reliability, security, and performance of critical infrastructure, storage, backup, and compliance systems within highly regulated environments. The Solaris & Linux System Administrator role is a long term open ended contract opportunity and requires you to work onsite in Annapolis Junction, MD. An active TS/SCI with FSPG is required for this role. Responsibilities of the Solaris & Linux System Administrator: • Administer, maintain, and optimize Solaris and Linux systems while supporting enterprise infrastructure operations and performance initiatives. • Manage IBM Enterprise Storage environments and oversee Veritas NetBackup administration, backup operations, and recovery activities. • Perform system patching, package management, vulnerability remediation, and security hardening using tools such as YUM and Nessus. • Support STE/STIN processes, maintain compliance with organizational security standards, and assist with audits, incident response, and infrastructure upgrades. • Create and maintain technical documentation, system configurations, procedures, and compliance records. Requirements of the Solaris & Linux System Administrator: • Bachelor’s degree in Computer Science, Information Technology, or a related discipline, or equivalent professional experience. • Active CompTIA Security+ certification and TS/SCI FSP clearance. • 3+ years of Solaris System Administration experience and 3+ years of Linux administration experience supporting RHEL, CentOS, OLVM, or similar environments. • Experience with IBM Enterprise Storage, Veritas NetBackup administration, Nessus vulnerability management, and YUM package management. • Strong understanding of Linux security, system hardening, compliance best practices, and STE/STIN or NSF-related security frameworks. • Experience with Bash, Python, or similar scripting languages; RHCSA, Ansible, Puppet, cloud, high-availability, or disaster recovery experience preferred. Compensation for the Solaris & Linux System Administrator: • Salary range: $140,000 - $210,000 • Full Comprehensive Benefits: Health, Vision, Dental, PTO, Paid Holiday and Sick Leave if Required by Law. Keywords: Solaris, Linux, System Administrator, Solaris Administration, Linux Administration, RHEL, Red Hat Enterprise Linux, CentOS, OLVM, IBM Enterprise Storage, Veritas NetBackup, NetBackup Administration, Nessus, Vulnerability Management, System Hardening, Security+, CompTIA Security+, YUM, Patch Management, Bash, Python, STE, STIN, NSF, Security Compliance, Enterprise Infrastructure, Backup and Recovery, Storage Administration, High Availability, Disaster Recovery, Ansible, Puppet, Cloud Infrastructure, Hybrid Cloud, Infrastructure Operations This job opens for applications on 11/6/2026. Applications for this job will be accepted for at least 30 days from the posting date. #LI-AG1 #ONSITE