Mission-Critical Systems & Infra Admin — Secret Clearance

Systems Planning and Analysis, Inc.; Arlington (VA); On-site; USD 130,000 - 170,000; Full time

Job summary

Systems Planning and Analysis, Inc. (SPA) seeks Systems & Infrastructure Administrators to operate, maintain, and improve environments hosting APACS and related capabilities.

The role focuses on availability, security, performance, and scalability across multiple environments and classification levels. You will work with developers, cybersecurity staff, hosting providers, and other admins to resolve issues, tune performance, and plan capacity.

Qualifications

• Bachelor's degree in IT, engineering, or related technical field (or equivalent experience).
• 4–8+ years of experience administering enterprise IT environments (servers, storage, networks, virtualization, or cloud).
• Ability to troubleshoot performance and availability issues in multitier applications.
• Familiarity with structured change and configuration management practices.
• Secret clearance and the ability to maintain this throughout employment.

Responsibilities

• Manage servers, environments, and configurations supporting APACS and related systems; perform monitoring, patching, troubleshooting, and performance tuning.
• Support deployment of application updates and maintain development, test, and production environments.
• Evaluate infrastructure health and recommend improvements for performance, reliability, and capacity.
• Work with developers, cybersecurity staff, hosting providers, and system administrators to resolve issues and optimize system behavior.
• Analyze system performance metrics and incident trends to identify root causes and longterm solutions.
• Document system architectures, configurations, procedures, interfaces, and dependencies to support continuity, onboarding, and leadership visibility.

Skills

Troubleshooting multitier apps

Configuration management practices

Secret clearance

Enterprise IT environments

Education

Bachelor's degree in IT, engineering, or related technical field

Job description

Systems Planning and Analysis, Inc. (SPA) seeks Systems & Infrastructure Administrators to operate, maintain, and improve environments hosting APACS and related capabilities.

The role focuses on availability, security, performance, and scalability across multiple environments and classification levels. You will work with developers, cybersecurity staff, hosting providers, and other admins to resolve issues, tune performance, and plan capacity.