B12 Consulting · 6 hours ago
Unix Linux System Administrator
Houston, TX
Full-time
Onsite
Senior Level, Lead/Staff
10+ years expB12 Consulting is seeking a Unix Linux System Administrator to architect and implement secure and scalable Linux/Unix infrastructure solutions across various cloud platforms. The role involves leading administration for a large number of Linux servers, managing infrastructure projects, and mentoring a team of engineers.
Information Technology
Hiring Manager
Judy Short
Responsibilities
Architecture & Design
Architect and implement secure, scalable, and highly available Linux/Unix infrastructure solutions across OCI, AWS, or Azure
Develop roadmaps for cloud adoption, hybrid integrations, and modernization projects
Align infrastructure design with business continuity, performance, and compliance requirements
Systems Administration & Operations
Lead administration, monitoring, patching, and troubleshooting for ~400 Linux servers
Provide senior-level support for performance, scalability, and availability issues in a mission-critical environment
Automate system provisioning, configuration, and deployment using Terraform, Ansible, or similar tools
Project Management
Plan, lead, and deliver infrastructure projects from initiation through completion
Manage resources, schedules, risks, and communications across multiple stakeholders
Ensure project milestones are met and outcomes align with strategic goals
Leadership & Team Management
Lead and mentor a team of Linux/Unix engineers and administrators
Drive operational excellence and ensure effective incident response in high-pressure conditions
Foster a culture of accountability, collaboration, and continuous improvement
Cloud & Hybrid Infrastructure
Leverage OCI services (Compute, Storage, Networking, Identity) for enterprise workloads
Compare OCI, AWS, and Azure capabilities to recommend best-fit solutions
Architect and support hybrid connectivity and cloud migration strategies
Security & Compliance
Ensure systems follow best practices for security hardening, patching, and access controls
Maintain compliance with regulatory, industry, and organizational standards
Qualification
Required
Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience)
10+ years of Linux/Unix systems administration and architecture experience
Proven ability to manage large-scale Linux environments (400+ servers)
Expertise in Oracle Cloud Infrastructure (OCI); experience with AWS or Azure
Strong background in project management for infrastructure initiatives
Proficiency with automation and scripting tools (Terraform, Ansible, Python, Bash, Shell)
Strong knowledge of networking, virtualization, storage, and high-availability systems
Demonstrated leadership in managing teams and mission-critical operations
Preferred
OCI, AWS, or Azure professional certifications
Experience with Kubernetes or other container orchestration platforms
Background in disaster recovery planning, clustering, and performance optimization
PMP, PRINCE2, or equivalent project management certification
Excellent communication and stakeholder management skills
Company
B12 Consulting
B12 Consulting™ leverages the AGILE approach for projects in emerging technologies & provides enterprise Consulting in Technology projects.
51-200 employees
Funding
Current Stage
Growth StageLeadership Team
Judy Short
Chief Talent Officer
Mike Short
Senior Advisor & Strategic Partnerships
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