Obsidian Solutions Group LLC
Systems Administrator - Senior
Obsidian Solutions Group LLC, Quantico, Virginia, United States, 22134
Systems Administrator - Senior
Primary Location: Quantico, VA
Clearance: Active DoD Secret
Job Summary
We are 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, leading the sustainment and optimization of enterprise‑scale environments while managing configurations, performing system patching and backups, and ensuring uptime and performance across mission‑critical systems.
Specific Responsibilities
Lead the sustainment and optimization of enterprise‑scale development and production environments
Administer Red Hat Linux and Oracle‑based systems including Oracle Exadata and ZFS storage systems
Monitor system logs and performance metrics to ensure optimal system performance
Support Agile Kanban workflows and sprint planning activities
Coordinate with hosting providers and internal teams for issue resolution
Maintain documentation, SOPs, and configuration baselines
Support DR/COOP readiness and obsolescence management
Collaborate closely with cybersecurity, DevSecOps, and engineering teams to support Agile delivery cycles
Troubleshoot complex infrastructure issues and maintain compliance with security and operational standards
Perform system patching, backup/recovery, and performance tuning
Lead technical outcomes and provide guidance to junior team members
Required Qualifications
Bachelor's degree in Computer Science, Information Systems, or a related technical field
710 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
Active DoD Secret Clearance
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
Physical Requirements and Work Environment
Must be able to work in a secure federal environment
Standard office environment with computer workstation
Ability to work on‑site at Quantico, VA location
Occasional physical handling of hardware components and server equipment
Ability to work in a fast‑paced, mission‑critical environment
Travel
Minimal travel required
Company Description Obsidian Solutions Group LLC (OSG) is a fast‑growing professional services firm based in Fredericksburg, VA. We create value for our customers by delivering technology‑enabled & mission‑oriented technical solutions that solve complex problems, protecting people, information, and assets. Our core capabilities are in providing Enterprise IT, Intelligence Analysis, Production & Development and Knowledge‑Based Professional Services Solutions that enable the customer's mission. Obsidian Solutions Group LLC is a certified 8(a), service‑disabled, veteran‑owned small business.
A career at Obsidian Solutions Group means you are able to put your expertise, credentials, and talents to great use working with customers in the DOD and Intelligence Community, while enjoying the excitement of working in a fast‑growing organization committed to making a difference for you.
PI279352657
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Specific Responsibilities
Lead the sustainment and optimization of enterprise‑scale development and production environments
Administer Red Hat Linux and Oracle‑based systems including Oracle Exadata and ZFS storage systems
Monitor system logs and performance metrics to ensure optimal system performance
Support Agile Kanban workflows and sprint planning activities
Coordinate with hosting providers and internal teams for issue resolution
Maintain documentation, SOPs, and configuration baselines
Support DR/COOP readiness and obsolescence management
Collaborate closely with cybersecurity, DevSecOps, and engineering teams to support Agile delivery cycles
Troubleshoot complex infrastructure issues and maintain compliance with security and operational standards
Perform system patching, backup/recovery, and performance tuning
Lead technical outcomes and provide guidance to junior team members
Required Qualifications
Bachelor's degree in Computer Science, Information Systems, or a related technical field
710 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
Active DoD Secret Clearance
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
Physical Requirements and Work Environment
Must be able to work in a secure federal environment
Standard office environment with computer workstation
Ability to work on‑site at Quantico, VA location
Occasional physical handling of hardware components and server equipment
Ability to work in a fast‑paced, mission‑critical environment
Travel
Minimal travel required
Company Description Obsidian Solutions Group LLC (OSG) is a fast‑growing professional services firm based in Fredericksburg, VA. We create value for our customers by delivering technology‑enabled & mission‑oriented technical solutions that solve complex problems, protecting people, information, and assets. Our core capabilities are in providing Enterprise IT, Intelligence Analysis, Production & Development and Knowledge‑Based Professional Services Solutions that enable the customer's mission. Obsidian Solutions Group LLC is a certified 8(a), service‑disabled, veteran‑owned small business.
A career at Obsidian Solutions Group means you are able to put your expertise, credentials, and talents to great use working with customers in the DOD and Intelligence Community, while enjoying the excitement of working in a fast‑growing organization committed to making a difference for you.
PI279352657
#J-18808-Ljbffr