Senior Windows Systems Administrator

Our team in Pensacola, FL, has an immediate need for a Senior Windows Systems Administrator with demonstrated expertise in enterprise Windows Server administration, Internet Information Services (IIS), Microsoft SQL Server, and enterprise Network Monitoring Services (NMS).

This position provides hands‑on administration, engineering, troubleshooting, and sustainment of mission‑essential infrastructure supporting MSC's global shore facilities and tactical maritime networks.

The Senior Windows Systems Administrator is responsible for maintaining the availability, security, performance, and observability of enterprise servers, web applications, databases, and network monitoring systems.

The ideal candidate will have strong technical depth across Windows Server, IIS, SQL Server, Solar Winds, Power Shell, and cybersecurity compliance, with the ability to independently troubleshoot complex infrastructure and application issues in a mission‑critical environment.

Location: Pensacola, FL

Job Type: Full‑Time

Work Arrangement: On‑Site, Monday–Friday

Security Clearance: Active Secret Clearance Required

Certification: DoD 8570/8140 IAT Level II

• Provide hands‑on administration, engineering, configuration, and maintenance of enterprise Windows Server 2016, 2019, and 2022 environments.
• Manage server deployments, upgrades, patching, performance tuning, backups, and system lifecycle activities.
• Troubleshoot complex operating system, application, authentication, networking, and performance issues.
• Monitor system health, capacity, availability, and resource utilization.
• Implement configuration changes and maintain system documentation in accordance with established procedures.
• Support enterprise services, applications, and infrastructure across geographically dispersed shore and maritime environments.

• Design, deploy, configure, secure, and sustain Microsoft Internet Information Services (IIS) environments supporting mission‑critical web applications.
• Configure and maintain application pools, worker processes, websites, virtual directories, authentication methods, and application settings.
• Configure and maintain SSL/TLS bindings, certificates, Application Request Routing (ARR), and Web Application Proxy (WAP).
• Perform certificate installation, renewal, and troubleshooting.
• Diagnose and resolve complex web application issues, including HTTP 4xx/5xx errors, authentication failures, connectivity issues, application pool failures, and memory/resource utilization problems.
• Analyze IIS logs and application behavior to identify root causes and improve application availability and performance.

• Install, configure, patch, secure, and maintain Microsoft SQL Server 2016, 2019, and 2022 environments.
• Administer standalone and clustered SQL Server instances supporting enterprise applications.
• Design, implement, maintain, and validate High Availability/Disaster Recovery (HA/DR) solutions.
• Develop and maintain automated database backup, restore, and recovery procedures.
• Monitor database performance, capacity, availability, and resource utilization.
• Perform database integrity checks, maintenance plans, index rebuilds/reorganizations, and statistics updates.
• Analyze query execution plans and resolve blocking, deadlocks, inefficient queries, and other database performance issues.
• Optimize database queries, storage allocation, and configuration to maintain operational performance and reliability.

• Administer, configure, maintain, and optimize the enterprise Network Monitoring Service (NMS) platform, currently Solar Winds.
• Configure and maintain…