UNIX / Red Hat Subject Matter Expert (SME)

Position OverviewVision IT is seeking a highly skilled UNIX / Red Hat Subject Matter Expert (SME) to support mission-critical operations at Los Angeles Air Force Base (LAAFB). The ideal candidate will possess advanced expertise in Red Hat Enterprise Linux (RHEL), UNIX/Linux systems administration, cybersecurity compliance, and enterprise infrastructure support within a Department of Defense (DoD) environment.This position requires an active Secret Clearance and a current CompTIA Security+ certification in compliance with DoD 8570/8140 requirements. The selected candidate will work onsite and provide technical leadership, engineering support, and operational excellence for secure enterprise systems.(This Position is Contingent Upon Award)Key ResponsibilitiesServe as the primary SME for UNIX/Linux and Red Hat Enterprise Linux environments.Install, configure, harden, patch, and maintain RHEL and UNIX-based servers.Perform system administration, troubleshooting, performance tuning, and capacity planning.Support cybersecurity initiatives including STIG implementation, vulnerability remediation, and compliance audits.Maintain system availability, reliability, and security in a high-availability environment.Develop and maintain automation scripts using Bash, Python, or similar scripting languages.Support virtualization technologies, storage systems, and enterprise backup solutions.Monitor system health and respond to incidents, outages, and operational issues.Collaborate with cybersecurity teams, network engineers, and government personnel to ensure mission success.Create and maintain technical documentation, SOPs, and system diagrams.Participate in change management, configuration management, and disaster recovery planning.Provide technical guidance and mentorship to junior administrators and support personnel.Required QualificationsActive Secret Clearance (required).Current CompTIA Security+ certification (required).Bachelor's degree in Information Technology, Computer Science, or related field (or equivalent experience).7+ years of experience administering UNIX/Linux enterprise environments.Strong expertise with Red Hat Enterprise Linux (RHEL) administration and engineering.Experience supporting DoD or federal government environments.Knowledge of DISA STIGs, RMF, ACAS, and vulnerability management processes.Experience with scripting and automation tools such as Bash, Python, or Ansible.Strong understanding of networking concepts, storage systems, and virtualization platforms.Ability to troubleshoot complex system and infrastructure issues independently.Excellent communication and documentation skills.Preferred QualificationsRed Hat Certified Engineer (RHCE) or Red Hat Certified System Administrator (RHCSA).Experience with VMware, SAN/NAS storage, and cloud technologies.Familiarity with DevSecOps practices and configuration management tools.Additional DoD 8570 certifications are a plus.Why Vision IT?At Vision IT, we lead with People First, ensuring our employees and customers thrive. We foster an environment of compassion, servant leadership, and operational excellence, enabling our teams to support mission-critical logistics with integrity and professionalism. If you are passionate about IT asset management, logistics, and ensuring operational success in a DoD environment, we want you on our team.At Vision IT, we prioritize the health, well-being, and financial security of our employees with a comprehensive benefits package, including:401(k) Plan: Company matching contributions to help you save for retirement.Dental & Vision Insurance: Coverage for dental care, eye exams, glasses, and contacts.Health Insurance: Comprehensive medical coverage.Paid Time Off (PTO): Generous policy to maintain work-life balance.Disability Insurance: Short-term and long-term protection for financial stability.Life & AD&D Insurance: Coverage for life and accidental death/dismemberment.Supplemental Benefits: Voluntary benefits for critical illness, accident, and hospital care.We are dedicated to supporting your health, well-being, and long-term financial goals.Vision IT provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics. In addition to federal law requirements, Vision IT complies with applicable state and local laws governing nondiscrimination in employment in every location where the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.Vision IT expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. Improper interference with Vision IT's employees' ability to perform their job duties may result in discipline up to and including discharge.