Senior Systems Administrator

Significance, Inc. • Quantico, VA

116d • $123,000 - $130,000

About The Position

Signficance is seeking a Senior Systems Administrator to lead the configuration, sustainment, and performance optimization of enterprise development and production environments. This role ensures system availability, security compliance, and operational continuity through proactive administration, Agile collaboration, and continuous improvement practices. You’ll be part of a high-impact team supporting mission-critical logistics systems. This is a hybrid position and requires an active Secret Clearance.

Requirements

• Bachelor’s degree in Computer Science, Information Systems, or a related technical field.
• 7–10 years of experience in enterprise systems administration, including Linux-based environments and Oracle infrastructure.
• Active IAT/IAM Level II certification (e.g., Security+ CE, CySA+, CCNA Security).
• Demonstrated experience with Red Hat Enterprise Linux, Oracle Exadata, and ZFS storage systems.
• Proficiency in system patching, backup/recovery, and performance tuning.
• Familiarity with DoD STIGs, RMF compliance, and cybersecurity best practices.
• Experience supporting Agile sustainment workflows and DevSecOps pipelines.
• Leadership experience managing teams and driving technical outcomes.

Nice To Haves

• Experience with Oracle EBS and middleware (WebLogic, SOA Suite).
• Familiarity with Agile SAFe frameworks and Planning Increment (PI) events.
• Knowledge of infrastructure-as-code tools (e.g., Ansible, Terraform) and containerization (e.g., Docker, Kubernetes).
• Experience supporting hybrid cloud or cloud migration efforts (e.g., OCI, AWS GovCloud).
• Exposure to AI/ML-assisted monitoring and predictive analytics for system performance.

Responsibilities

• Lead the configuration, sustainment, and performance optimization of enterprise development and production environments.
• Ensure system availability, security compliance, and operational continuity.
• Administer systems proactively and collaborate in Agile environments.
• Support mission-critical logistics systems.

Benefits

• Comprehensive and generous benefits package.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Bachelor's degree
• Number of Employees: 101-250 employees