Senior Systems Administrator — Reston, VA

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

qYH WQsAXB 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 ResponsibilitiesServer 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.

• Ensure data integrity.

• 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.

QualificationsEducation

• 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]