System Administrator - Windows/Linux (RHEL) | Ground Missile Def with Security Clearance

Check out this new opportunity! System Administrator Windows/Linux (RHEL) | Ground Missile Defense Full-Time with an Employee Owned and Best Places to Work Contractor Onsite in Huntsville, AL | Schedule: 9x80 We are hiring a System Administrator in Huntsville, AL to support the Ground Missile Defense (GMD) Weapon System, a critical component of the U.S. Missile Defense System. This role requires an active Secret security clearance, experience administering Microsoft Windows and Red Hat Enterprise Linux (RHEL) environments, and knowledge of DevOps technologies, scripting, cybersecurity compliance, and enterprise infrastructure supporting mission-critical Department of Defense (DoD) systems. Responsibilities: * Administer, configure, maintain, and troubleshoot Microsoft Windows and Red Hat Enterprise Linux (RHEL) operating systems. * Support mission-critical Ground Missile Defense (GMD) Weapon System environments to ensure system reliability, security, and availability. * Develop and maintain automation scripts using Python, Perl, Bash, PowerShell, or similar scripting languages. * Support DevOps initiatives utilizing technologies such as Kubernetes, Docker, GitLab, Nexus, and related platforms. * Perform system hardening, security compliance activities, and vulnerability remediation using ACAS and other security scanning tools. * Manage enterprise backup and recovery solutions, Storage Area Networks (SAN), and Network Attached Storage (NAS) environments. * Install, configure, maintain, and upgrade server hardware, including firmware updates and lifecycle support. * Troubleshoot system performance, operating system issues, and infrastructure-related problems. * Ensure systems comply with Department of Defense cybersecurity requirements and organizational security policies. * Collaborate with engineering and operations teams to support system integration, maintenance, and mission readiness. Qualifications: * U.S. Citizenship is required by Federal Law * Active Secret Security Clearance required. * Bachelor's degree in Science, Technology, Engineering, Mathematics (STEM), or a related technical discipline. * Current DoD 8140 IAT Level II certification or higher (e.g., Security+ CE). * Experience administering Microsoft Windows and/or Red Hat Enterprise Linux (RHEL) operating systems. * Experience supporting enterprise IT infrastructure within secure or classified environments. * Knowledge of Windows and Linux scripting tools, including Python, Perl, Bash, and PowerShell. * Experience with DevOps technologies such as Kubernetes, Docker, GitLab, Nexus, or similar platforms. * Experience with security compliance, vulnerability management, and ACAS security scanning. * Experience supporting enterprise backup and recovery solutions, SAN, and NAS technologies. * Experience installing, maintaining, and upgrading server hardware and firmware. * Ability to work onsite in Huntsville, Alabama. Preferred Qualifications: * Experience supporting Ground Missile Defense (GMD) or Missile Defense Agency (MDA) programs. * Experience supporting mission-critical Department of Defense (DoD) systems. * Additional experience with enterprise automation, infrastructure modernization, or systems integration in classified environments. Full-Time position with an Employee-Owned company offering a comprehensive benefits package: Medical, Dental, and Vision insurance, Short-Term and Long-term Disability, and Life Insurance, FSA, Employee Stock Ownership Plan (ESOP), 401(k) Plan with company match, Tuition and Training Reimbursement, and Incentive Compensation. Estimated Salary Range: $60,000 - $80,000/Yearly (Based on factors such as Government labor categories (LCATs) education, experience, geographic location, etc.) We are honored to have been named a contender for the Best Places to Work award from the Huntsville/Madison County Chamber of Commerce since 2020 and recognized as a Best Place for Working Parents since 2022. This designation underscores our ongoing commitment to fostering a workplace culture that supports working parents and their families. Moseley Technical Services, Inc. is an AA/EEO/Veterans/Disabled Employer What to Expect Moseley Technical Services, Inc. (Moseley) was incorporated in 1994 to provide engineering and professional services to the aerospace/defense, manufacturing, government, and commercial industries. Our Mission is to deliver superior service to our customers and employees. We have achieved our vision by building long-term relationships with customers and employees through integrity, transparency, and appreciation. * To apply, send a resume to: * For more active job openings: Careers at Moseley Technical * For more information about us: Moseley Technical - Mission and Values! "We stand by our 30-year-old commitment of "World Class Service. World Class Company."