Senior Solaris & Linux Systems Administrator

Job Description: Quevera is seeking a skilled Senior Solaris & Linux Systems Administrator with an active TS/SCI clearance with Polygraph in Annapolis Junction, Maryland . This role supports enterprise Solaris and Linux environments, including storage, backup, security, vulnerability management, and patching systems. The position requires hands-on expertise with Solaris, IBM Enterprise Storage, Veritas Net.

Backup, vulnerability management tools, system hardening, and package management.

Job Responsibilities

Administer, maintain, and optimize Solaris and Linux systems in a production environment. Manage and support IBM Enterprise Storage solutions, ensuring high availability and performance. Configure, monitor, and troubleshoot Veritas Net. Backup for enterprise backup and recovery operations. Perform system patching and package management using YUM repositories.

Execute and remediate vulnerability scans using Nessus to support compliance with security standards. Support and maintain STE/STIN processes and environments, as applicable to organizational standards. Implement and maintain system security configurations, including NSF frameworks and policies. Monitor system performance, troubleshoot issues, and implement proactive improvements.

Collaborate with cross-functional teams on infrastructure upgrades, audits, and incident response. Maintain documentation for system configurations, procedures, and compliance requirements. Minimum Requirements: Active TS/SCI clearance with Polygraph required. Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience.

Active CompTIA Security+ certification. Three (3) or more years of hands-on Solaris System Administration experience. Three (3) or more years of hands-on System Administration experience with OLVM, RHEL, CentOS, or similar. Experience with IBM Enterprise Storage systems. Strong knowledge of Veritas Net. Backup administration.

Experience with Nessus vulnerability scanning and remediation workflows. Proficiency with YUM package management and patching strategies. Familiarity with STE/STIN processes and NSF-related security frameworks. Solid understanding of Linux security, system hardening, and compliance practices. Strong troubleshooting and scripting skills using Bash, Python, or similar.

Preferred Qualifications

Red Hat Certified System Administrator (RHCSA) or equivalent certification. Experience in enterprise environments with high-availability and disaster-recovery requirements. Familiarity with automation tools such as Ansible, Puppet, or similar. Exposure to cloud or hybrid infrastructure environments. Why Join Quevera? Award-Winning Culture Quevera was recognized as a Top Workplace in the Washington, DC/Baltimore region for 2025 , marking our fifth consecutive year receiving this distinction based on employee feedback.

Outstanding Benefits We invest in our employees and their families through a highly competitive benefits package, including: 100% employer-paid medical coverage (optional plan) Competitive options for Medical, Dental and Vision insurance Employer-paid short-term and long-term disability coverage Employer-paid life insurance $5,000 annually for education, training, certifications, and professional development Career advancement through our structured iQTouch Program Up to 6% 401(k) match Additional 4% profit-sharing contribution , at company discretion At Quevera, we believe exceptional people deserve exceptional opportunities.

We're more than just a workplace-we're a team of innovators, problem-solvers, and industry experts committed to delivering mission-critical solutions while fostering professional growth, collaboration, and technical excellence. Quevera is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age or any other characteristic protected by law.

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