Principal Technical Engineer – Unix/Linux (remote)

What you will do

Johnson Controls is seeking an experienced Principal Technical Engineer – Unix/Linux 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.

How you will do it

• OS administration/operations of IBM AIX, HP-UX, and Linux platforms, preferably RedHat 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 PowerHA and RedHat 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 PowerVM and VMware:

• Expertise in setting up and managing virtualized environments using IBM PowerVM 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 and open-source technologies.

• Evaluate new tools and technologies to enhance system performance and operational efficiency.

What you will need

Required

• Bachelor’s degree in Computer Science, Information Technology, or a related field.

• 7+ years of experience in Unix/Linux system Administration, Engineering roles.

• Proven experience with various Linux distributions (e.g., Red Hat, CentOS, Ubuntu, Debian) and Unix distributions - HP-UX & IBM AIX

• Strong knowledge of Unix/Linux operating systems, shell scripting (Bash, Python), and system administration.

• Experience with configuration management and automation tools (e.g., Ansible, Puppet, Chef).

• Familiarity with cloud platforms (e.g., AWS, Azure, Google Cloud)

Preferred

• Relevant certifications such as Red Hat Certified Engineer (RHCE), Linux Professional Institute Certification (LPIC), or CompTIA Linux+.

• Knowledge of networking concepts, firewall configuration, and security protocols.

• Familiarity with ITIL best practices and experience in change management processes.

Johnson Controls International plc. is an equal employment opportunity and affirmative action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, genetic information, sexual orientation, gender identity, status as a qualified individual with a disability or any other characteristic protected by law. To view more information about your equal opportunity and non-discrimination rights as a candidate, visit EEO is the Law. If you are an individual with a disability and you require an accommodation during the application process, please visit here.