Senior Systems Administrator

A great place to work. Location: Reston, VA Security Clearance: Active TS/SCI w/ CI Poly [Required] Job Type: Full-Time Target Salary Range*: $150,000 - $180,000 *This represents the potential salary range for this position depending on education level, years of experience and/or certifications in addition to other position specific requirements which may impact salary Position Overview The System Administrator manages and supports enterprise, regional, and local server environments hosting mission-critical applications and infrastructure services. This role is responsible for server administration, database administration, system deployment, performance optimization, security compliance, incident response, backup and disaster recovery, documentation, and cross-platform support across Windows, Linux, and UNIX-based environments. Key Responsibilities Server Administration and Management Oversee and manage both virtual and physical servers for enterprise, regional, and local systems. Install, configure, document, maintain, and support server environments hosting mission-critical applications and infrastructure services. Provide cross-platform support for Windows, Linux, and UNIX-based server environments, with a focus on application and database performance, troubleshooting, and configurations. Database Administration Install, configure, and maintain database systems, including Oracle and Solr. Perform database backups, restores, and performance tuning. Monitor database health and analyze performance metrics. Troubleshoot database issues to ensure smooth operations. System Architecture, Deployment, and Configuration Design, deploy, and maintain secure Windows servers in AWS C2S environments. Install and configure operating systems, database software, and application software across physical and virtual servers. Ensure system software is properly integrated and supports enterprise applications. Performance Optimization and Resource Management Monitor and optimize system performance, including CPU, memory, disk usage, and response times for AWS C2S environments. Implement proactive measures to address potential performance bottlenecks. Troubleshoot and resolve system issues related to resource usage. System Security and Compliance Ensure systems and databases meet security standards and comply with relevant regulations. Implement and enforce security policies. Conduct regular vulnerability assessments. Manage security updates and patches for operating systems and database environments. Incident, Problem, and Maintenance Management Provide Tier 1 and Tier 2 support for troubleshooting, diagnosing, and resolving system and database issues. Respond to service outages, coordinate recovery efforts, and ensure timely resolution of problems. Assist in root cause analysis and implement corrective actions to prevent future issues. Plan and execute system downtime for scheduled maintenance, upgrades, and new releases. Install and test patches and updates for operating systems and database applications, including Oracle and Solr. Backup and Disaster Recovery Oversee and validate regular system and database backups. Support disaster recovery plans by testing restoration procedures. Collaboration, Documentation, and Knowledge Sharing Work with cross-functional teams and external partners to install and configure server systems. Support system integrations with other applications. Provide user support and consult with clients on complex technical problems. Maintain accurate documentation of system configurations, hardware, software, and processes. Provide clear reporting for troubleshooting, maintenance, and security audits. Train and mentor staff on server and database management best practices. Assist in developing training materials and ensuring operators are equipped to support the systems. Qualifications Education BA/BS degree with 5+ years of relevant experience; or Master’s degree with 3+ years of relevant experience. An additional 4 years of experience may be considered in lieu of a degree. Experience Proven experience in system administration, specifically with database management, Windows, Linux, and UNIX environments. Proven experience in AWS C2S, specifically with deployment, management, networking, and security of C2S instances. Experience managing both virtual and physical servers. Experience performing system monitoring, backup management, and performance optimization. Certifications Must have or be able to obtain CompTIA Security+ certification. [Required] #J-18808-Ljbffr Amatriot Group, LLC