Senior Linux/AIX Engineer - Remote

Northwell•New Hyde Park, NY

8h•$98,300 - $170,100•Remote

About The Position

Seeking a UNIX Systems Engineer to support AIX- and Linux-based operating system platforms, with a strong focus on Red Hat Enterprise Linux system administration. The role administers more than 500 UNIX/Linux servers—including physical servers, LPARS, VIOS, and virtual machines—across multiple data centers and cloud environments, including Azure, Google, and Oracle. It also develops and maintains automation tools and processes to scale UNIX/Linux operations. The engineer plans and performs operating system upgrades, patching, and lifecycle management; handles day-to-day administration and incident response; monitors system health and performance; and participates in capacity planning and infrastructure projects. The role is responsible for disaster recovery testing and service restoration, root-cause analysis, documentation, and collaboration with technical and non-technical stakeholders. On-call availability is required on a team rotation outside normal business hours.

Requirements

Bachelor's degree or an equivalent combination of education and related experience.
Minimum 5 years of relevant experience.
Strong AIX and Linux administration experience.
Solid understanding of Linux internals and networking concepts.
Experience with Red Hat Satellite, content management, patch management, and provisioning RHEL systems.
Experience with virtualization technologies such as IBM VIOS and VMware, as well as cloud services.
Experience with Unix shell scripting.
Experience with configuration management tools such as Ansible and Kickstart.
Experience with system performance monitoring, troubleshooting, and tuning.
Experience with backup technologies.
Administration experience with LVM.
Proven technical experience and a solid foundation in operating systems.
Strong work ethic and ownership of incidents and requests.
Good communication skills with technical and non-technical colleagues.

Nice To Haves

Advanced industry certifications, such as RHSE, are a plus.

Responsibilities

Plan, coordinate, and perform AIX and RHEL operating system upgrades, patching, and lifecycle management.
Perform day-to-day administration tasks, including backup, restore, failover, log interpretation, and performance monitoring.
Audit and monitor system health, availability, and performance to support 24/7 uptime of production servers and applications.
Resolve Tier 1 and Tier 2 incidents and service requests, including on-call availability on a team rotation outside normal business hours.
Participate in capacity and scalability planning to meet current and future business demands.
Partner with engineering, infrastructure, security, and project management teams to implement systems and optimize existing environments.
Research, develop, and implement emerging technologies and best practices for continuous improvement.
Conduct disaster recovery testing and restore critical services during planned and unplanned DR events.
Provide systems and services expertise to promote operational best practices and service resilience.
Collaborate with technical writers to develop and maintain internal SOPs and service handbooks.
Build positive, cooperative relationships with teams and stakeholders and communicate professionally and transparently.
Conduct root-cause analysis and execute service restoration procedures using diagnostic and monitoring tools.
Identify systemic issues and recommend long-term solutions.
Guide infrastructure system analysis, definition, verification, and validation to ensure systems meet organizational requirements.
Review and monitor capacity and performance reports weekly.
Attend architectural review board meetings to support standards and appropriate technical solutions.
Manage ticket queues and complete tasks in a timely manner to meet Service Level Agreements.
Perform related duties as required.