Enterprise Architect at F5 defining and driving enterprise data architecture strategies and overseeing data models, governance, and integration patterns across various domains.
About the role
- Senior IT Infrastructure Administrator at Tantalus Systems, maintaining and upgrading on-premise Linux systems for smart grid solutions. Focus on security posture and cloud transitions in hybrid role.
Responsibilities
- Oversee the day-to-day maintenance, support, and optimization of Linux server environments
- Plan and execute system upgrades, patching, and lifecycle management for Linux systems
- Monitor, maintain, and regularly test backup systems to ensure data integrity and recoverability
- Perform physical server and storage system maintenance and upgrades as required
- Lead system migrations, including transitions from CentOS to Ubuntu
- Upgrade legacy systems to modern platforms or migrate workloads to cloud environments
- Implement and maintain Linux automation using tools such as Ansible
- Facilitate migrations between different hypervisor platforms
- Design and implement network segmentation and isolation strategies
- Enhance and maintain internal security controls and best practices
- Manage and maintain internal certificate infrastructure
- Respond rapidly and effectively to critical infrastructure issues and outages
- Ensure high availability, reliability, and performance across all systems
- Contribute to strengthening our infrastructure by improving backup strategies, business continuity and disaster recovery plans, and incident response processes and documentation
Requirements
- Bachelor’s degree in computer science, or related field (or equivalent work experience)
- 5+ years of experience in administering Linux clients and servers, networking, and cybersecurity
- 5+ years of experience in network management (VLANs, Firewalls, NAT, Segmentation, Proxy’s, Packet Sniffing, etc)
- Physical capability to add/remove servers from a rack
- Will be required to carry a cell phone for on-call support to respond to critical issues
Benefits
- medical, dental and vision plans
- healthcare and dependent care flexible spending accounts
- paid time off
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