Sr Linux​/Containerization Systems Admin

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Title: Sr. Linux Systems Admin
Location: Remote (EST)
Job Type: FTE

This position will be supporting Red Hat Open Shift, and the containerization solutions built around Linux containers and managed by Kubernetes. This position will also directly support the development of new system administrators and be a mentor for employee development within the department.

Architects, designs, builds, and maintains systems and infrastructure components for enterprise critical computing environments, independently. Provides engineering services for system infrastructure, including design, install, maintain, upgrade, backup, disaster recovery, networking, system security, monitoring, performance tuning, and capacity management while adhering to enterprise change management process and procedures. Recommends, develops, enforces, and follows standards, policies and procedures for maintaining the security and integrity of systems and ensures that they meet availability and disaster recovery requirements.

Ability to troubleshoot and solve complex to highly complex problems. Any experience supporting F5 BIG-IP is a bonus, but not necessary in this role, but would be beneficial to have some knowledge.

This position is a key member of the Enterprise Infrastructure Operations Hosting Team, ensuring system reliability, security, and continuity for critical patient care systems such as Epic and Sectra. Using the Pegasus ticketing system, the role monitors infrastructure performance, resolves issues, and supports enterprise DNS, traffic management, and Linux environments. The incumbent analyzes operational trends to guide capacity planning and future infrastructure needs while mentoring system administrators on processes, troubleshooting, and best practices—promoting operational consistency and reducing escalations across an environment with a 300:1 administrator-to-enterprise ratio.

• Researches, reviews and recommends hardware and software improvements. Analyzes and validates business and technical requirements to ensure system will perform optimally.
• Installs and configures server operating systems of up to high complexity.
• Administers system infrastructure and infrastructure appliances including data center, security, firewalls, authentication services, domain name services and disk storage.
• Schedules and executes infrastructure and system upgrades and patches to address security issues, bug fixes and functional enhancements.
• Installs and configures backup and disaster recovery software and regularly performs multi-site failover exercises of medium to high complexity. Architects and develops disaster recovery strategies.
• Architects, designs, builds, and maintains automation to monitor the overall health of infrastructure and systems including performance, hardware, capacity, security, logs and responds appropriately as required.
• Architects, designs, builds, and maintains relevant security policies, regulatory governances, as well as software for task automation and integrations purposes.
• The responsibilities listed are a general overview of the position and additional duties may be assigned.

• Network Operating Systems (Advanced):
  Designs network operating systems-based solutions considering all related areas [platform, DBMS, on-line monitors, application]. Assists in configuring and performance tuning the operating system. Good understanding of troubleshooting techniques and can explain in detail the technical nuances of the operating system. Recognizes platform problems but consults with others to solve. Able to write scripts in the operating system.
• Server Administration (Advanced):
  Demonstrates high levels of expertise in applying the skill in challenging and complex situations. Often takes a lead role in highly pressurized situations when there is a need to achieve results. Consistently delivers products and services using the skill in a creative and imaginative manner while setting a standard for others. Actively participates in outside professional organizations and forums.
• Server Installation and Upgrade (Advanced):
  Demonstrates mastery of complex installation procedures. Has the ability to provide solutions to complex software problems by either coding a new program or using the correct utility program.
• Server Monitoring and Tuning (Advanced):
  Demonstrates high levels of expertise in applying performance metrics in challenging and complex situations regarding performance problems. Able to interpret performance information and make recommendations. Often takes a lead role in highly pressurized situations when there is a need to achieve results and researches metrics in new areas for potential use. Plans performance and stress tests.
• Server Security (Advanced):
  Has led security initiatives that have resulted in the design of security interfaces and/or facilities to support company-wide security systems and products. Demonstrates the uppermost levels of expertise in applying…