Linux System Administrator

Job Description: Quevera is seeking an Linux System Administrator t o join our team. At Quevera, we don't just offer jobs-we provide opportunities to be part of a dynamic, forward-thinking community that fosters innovation, collaboration, and personal growth. You'll work with industry experts, take on exciting challenges, and have the creative freedom to build cutting-edge solutions, all while advancing your career in a space that truly values your skills and ideas. HIGHLIGHT'S OF WORKING FOR QUEVERA: Quevera employees voted Quevera as a TOP EMPLOYER in the Baltimore /DC area by the Washington for 2025 for the 5th consecutive year! Excellent Quevera's Benefits: Medical/Dental/Vision ( 100% Employer Paid Medical Plan ) Short/Long Term Disability (Employer Paid) Life Insurance ( Employer Paid ) Yearly $5,000 towards education/training/certification. Employees are in control of their career path through our Career Pathway Program. Employer paid Company Vacation Package for you and a guest! Retirement: Quevera will match up to 6% towards your 401K and an additional 4% profit sharing! REQUIRED - MUST have a current TS/SCI Polygraph clearance to apply for role. Only those with a current TS/SCI with Poly clearance will be considered. Duties and Responsibilities: We are seeking a skilled and detail-oriented Linux System Administrator to join our IT infrastructure team. The ideal candidate will have strong experience managing enterprise Linux environments and supporting storage, backup, security, and patching systems. This role requires hands-on expertise with IBM Enterprise Storage, Veritas NetBackup, and vulnerability management tools, along with a solid understanding of system hardening and package management. Key Responsibilities: Administer, maintain, and optimize Linux-based systems in a production environment Manage and support IBM Enterprise Storage solutions, ensuring high availability and performance Configure, monitor, and troubleshoot Veritas NetBackup for enterprise backup and recovery operations Perform system patching and package management using YUM repositories Execute and remediate vulnerability scans using Nessus , ensuring 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/policies Monitor system performance, troubleshoot issues, and implement proactive improvements Collaborate with cross-functional teams for infrastructure upgrades, audits, and incident response Maintain documentation for system configurations, procedures, and compliance requirements Required Experience: Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience) 3+ years of hands-on Linux system administration experience (RHEL, CentOS, or similar) Experience with IBM Enterprise Storage systems Strong knowledge of Veritas NetBackup (NetBackup 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 (Bash, Python, or similar) Desired Experience: Red Hat Certified System Administrator (RHCSA) or equivalent certification Experience in enterprise environments with high availability and disaster recovery requirements Familiarity with automation tools (Ansible, Puppet, or similar) Exposure to cloud or hybrid infrastructure environment 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. #LI-AA1