About Concept Plus

Concept Plus is a growing consulting firm headquartered in Fairfax, VA. We are an Oracle Gold Partner, offering deep technical expertise, combined with business insights and an experienced team focused on providing technical solutions for our clients. We are proud to have been recognized as one of the "25 Most Powerful Oracle Solution Providers" in the area! We offer great benefits including competitive pay, comprehensive health insurance, dental and vision insurance, paid life insurance, paid time off, 11 paid holidays, bonuses, tuition reimbursement, unlimited training, and the opportunity to work in a collaborative, flexible, innovative environment! For additional information about our dynamic organization, please visit our website. at www.conceptplus.com. 

About the role

Concept Plus 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.

What you'll do

The Senior Systems Administrator will lead the sustainment and optimization of enterprise-scale development and production environments. This includes managing configurations, performing system patching and backups, and ensuring uptime and performance across mission-critical systems. The role involves close collaboration with cybersecurity, DevSecOps, and engineering teams to support Agile delivery cycles, troubleshoot complex infrastructure issues, and maintain compliance with security and operational standards.

Daily responsibilities include:

• Administering Red Hat Linux and Oracle-based systems.
• Monitoring system logs and performance metrics.
• Supporting Agile Kanban workflows and sprint planning.
• Coordinating with hosting providers and internal teams for issue resolution.
• Maintaining documentation, SOPs, and configuration baselines.
• Supporting DR/COOP readiness and obsolescence management.

Qualifications

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

Concept Plus is an Affirmative Action/Equal Opportunity Employer. As such, we will give your application full consideration without regard to your race, color, religion, sex, age, national origin, disability, veteran status, sexual orientation, gender identity, or any other classification protected by federal, state, or local law.