Linux Operations Engineer

About the Company

Chubb is the world's largest publicly traded property and casualty insurer. With operations in 54 countries, Chubb provides commercial and private property and casualty insurance, personal accident and supplemental health insurance, reinsurance, and life insurance to a diverse group of clients. Chubb Infrastructure is a team of innovators who love technology as much as you do. Together, you will use a disciplined, innovative and a business focused approach to develop a wide variety of high-quality products and solutions. You will work in a stable, resilient, and secure operating environment where you—and the products you deliver—will thrive.

Business Title: Linux Operations Engineer

Responsibilities:

• Investigation and diagnosis of incidents and problems relating to Red Hat (RHEL) and SUSE (SLES) Server Operating System stacks.
• Participate in a follow-the-sun operational model to support and maintain the global Linux server environment.
• Work closely with network, security, development, application and support teams in the implementation of infrastructure components that support emerging technologies and applications.
• Provide training and mentorship to junior team members. Train team members in best practices and act as subject matter expert and escalation contact for infrastructure related issues.
• Automate operational, monitoring, and integrity verification processes (e.g., runbooks) for hardware, server, and system resources and processes.
• Proactively ensure the highest levels of systems and infrastructure availability. Perform daily system monitoring, verifying the integrity and availability of systems and key processes, reviewing system and application logs.
• Create and maintain system documentation for Linux infrastructure technologies, including installation, configuration, and appropriate troubleshooting steps.
• Collaborating with other technology leads and support teams to ensure integrated end-to-end availability, reliability, and performance.
• Improve existing processes through automation solutions to recurring problems and enhancements to existing solutions or documentation.
• Provides on-call and after-hours support to address incidents, maintain infrastructure and support operational efforts.
• Identify and drive resolution on monitoring and alerting gaps.
• Ability to work across multiple projects and provide best practice advice and contribute to technical tasks.
• Solve problems relating to mission-critical services and create automation to prevent problem recurrence.
• Assist in the development and execution of disaster recovery plans.
• Participate in change, incident, and problem management.

Qualifications:

• Minimum 5+ years of directly related experience supporting Linux, specifically RHEL and/or SUSE, operations
• Extensive and recent support experience in supporting virtualized Red Hat Enterprise Linux Server operating systems and technologies in a global multi-data center enterprise organization.
• Advanced knowledge and experience with Linux server operating systems (Red Hat Enterprise Linux 8.x and 9.x, SUSE Linux Enterprise Server 15).
• Advanced knowledge and experience with configuration management tools (Ansible, etc.).
• Advanced knowledge and experience developing Bash scripts (other languages commonly used: Python, JavaScript, etc.)
• Working Knowledge of Red Hat Satellite Server systems management.
• Working knowledge of networking principles including routing, switching, firewalls, load balancing and VLANs.
• Working knowledge and experience with Windows server operating systems (Windows 2019, 2022) is a plus.
• Working knowledge and experience with IBM AIX is a plus.
• Working knowledge and experience with virtualization hypervisors (VMware vSphere 7.x, 8.x, Azure).
• Working knowledge and experience with containerization (VMware Tanzu, Docker, Kubernetes, Azure Kubernetes Service) a plus.
• Excellent problem solving and analytical thinking skills; ability to influence change and drive results.
• Work within defined change control processes and procedures.
• Ability to manage multiple projects in a dynamic development environment; demonstrated project delivery required.
• Strong ability to identify, understand and communicate business needs and application architectures for technical projects.
• Excellent communication and collaboration skills; ability to effectively communicate across all levels is required.
• Working knowledge of common information security concepts and practices.
• Self-driven with the ability to manage workload without direct supervision.
• Ability to collaborate with different technology towers to achieve common goals. • Ability to manage multiple stands of work simultaneously.
• Solid understanding of ITSM processes, including incident, problem, change, and request management.
• Excellent verbal and written communication skills.

Working Arrangement:

• Hybrid setup
• This role may require flexibility to support different working patterns, participation in a 24x7 on-call rotation, occasional out-of-hours work, and travel to other offices as business needs dictate.