Senior Technical Engineer – Unix​/Linux; remote

What you will do

Johnson Controls is seeking an experienced Unix/Linux Technical Engineer to join our dynamic team! You will be responsible for supporting, designing, implementing, and managing Linux-based systems and infrastructure. You will collaborate with cross-functional teams to ensure the stability, performance, and security of our Linux environments, while also leading architectural initiatives to support our organization’s technology strategy. This is a remote position, but candidates must be a US citizen and live in the US.

• OS administration/operations of IBM AIX, HP-UX, and Linux platforms, preferably Red Hat Linux
• Manage and maintain operating systems on IBM AIX, HP-UX, and Linux servers, including installing updates, configuring system settings, and monitoring performance.
• Regular patching of Linux servers and vulnerability remediation
• Routinely apply software patches to Linux servers to fix security vulnerabilities and bugs, ensuring systems are secure and functioning correctly.
• Hands‑on hardware and OS troubleshooting experience
• Diagnose and resolve issues with physical server hardware and operating systems to ensure system stability and performance.
• Experience in clustering and/or high availability solutions that include IBM Power
  
  HA and Red Hat Pacemaker
• Set up and manage clustering technologies to ensure high availability and minimize downtime of critical applications.
• Working technical knowledge of physical server hardware, including ODA, IBM Power systems
• Understand and configure server hardware components such as processors, memory, storage devices, and network interfaces.
• Excellent technical knowledge of Unix/Linux server operating systems, including IBM AIX and Linux
• Deep understanding of Unix/Linux based operating systems, including system commands, file systems, user management, and security features.
• In‑depth experience configuring and supporting Unix/Linux virtualization technologies that include IBM Power
  
  VM and VMware
• Expertise in setting up and managing virtualized environments using IBM Power
  
  VM and VMware, including creating and managing virtual machines.
• Participation in disaster recovery tests and actual recoveries as needed
• Actively take part in planned tests to simulate disaster scenarios and validate recovery procedures, and be involved in real disaster recovery efforts.
• Contribution to teamwork and effective communication:
  Work collaboratively with colleagues, share knowledge, and communicate clearly to ensure smooth operations and successful project outcomes.
• Support, design and architect scalable and high‑availability Linux infrastructures, including servers, storage, and networking components.
• Develop high‑level designs and detailed specifications for Linux‑based solutions that align with business needs.
• Deploy, configure, and maintain Linux servers and associated services (e.g., web servers, database servers, application servers).
• Implement Infrastructure as Code (IaC) practices using tools such as Ansible, Terraform, or Chef.
• Monitor system performance and resource utilization, implementing optimizations as needed to enhance system efficiency. Utilize monitoring tools (e.g., Nagios, Prometheus, Grafana) to proactively identify and resolve issues.
• Implement security best practices for Unix/Linux systems, including access controls, firewalls, and regular security audits.
• Manage system updates and patches to ensure compliance with security policies and industry standards.
• Provide expert‑level support for Unix/Linux‑related issues, troubleshooting and resolving hardware, software, and network problems.
• Collaborate with cross‑functional teams to address complex technical challenges and improve overall system reliability.
• Develop and implement disaster recovery plans and strategies for Linux environments.
• Conduct regular testing of disaster recovery procedures to ensure readiness and effectiveness.
• Maintain comprehensive documentation for system architecture, configurations, and operational procedures.
• Share knowledge and best practices with team members and provide training and mentorship as needed.
• Stay current with the latest trends, technologies, and best practices in Linux systems…