Lead Linux Engineer

Job Title: Lead Linux Engineer

Job Summary:

We are looking for a highly skilled Lead Linux Engineer to drive the end-to-end delivery of robust infrastructure solutions for Fiserv customers. The ideal candidate will work collaboratively with cross-functional teams including Development, Product, and other Engineering functions, and bring deep technical expertise across Linux systems, automation, middleware, and cloud/on-premise infrastructure.

This role demands strong troubleshooting skills, a consultative mindset, and the ability to balance multiple tasks while maintaining high service quality.

Required Skills & Qualifications:

• 8+ years of experience in Linux system engineering in large-scale enterprise environments
• Proficiency in Red Hator Oracle Linux system administration
• Hands-on experience with Java Middleware, Apache/Tomcat, SSL/SAML, and JDBC
• Automation experience using Ansible, Rundeck, or similar tools
• Strong networking knowledge: TCP/IP, DNS, firewall rules, NFS
• Experience with HA and DR solutions in enterprise settings
• Excellent documentation, communication, and customer service skills
• Strong analytical, problem-solving, and multitasking abilities
• Ability to work across multiple time zones and collaborate in a distributed environment

Key Responsibilities:

• Infrastructure Delivery:
  Lead the design, implementation, and management of enterprise-class Linux infrastructure solutions across on-prem and cloud environments.
• Cross-Team Collaboration:
  Work closely with other engineering groups, development teams, and product owners to gather, analyze, and validate infrastructure requirements.
• Linux System Administration:
  Administer, configure, and troubleshoot Red Hat Enterprise Linuxor Oracle Linux
• Middleware & Web Servers:
  Manage and support Java middleware platforms such as JBoss EAP, WebLogic, WebSphere, as well as Apache HTTP, Tomcat, and JDBC connectivity.
• Security & Connectivity:
  Work with SAML, SSL certificates, ciphers, and understand firewall rules, DNS configurations, and troubleshooting access or connectivity issues.
• Automation & Scripting:
  Automate system tasks using tools like Ansible, Rundeck, and support infrastructure orchestration and post-provisioning automation.
• Networking & Protocols:
  Demonstrate working knowledge of networking protocols such as TCP/IP, DNS, NFS, and manage associated components.
• High Availability & DR:
  Design and implement High Availability (HA)and Disaster Recovery (DR) solutions to ensure system resilience and uptime.
• Documentation:
  Create detailed technical documentation, including Visio diagrams, build guides, and configuration standards.
• Operational Support:
  Provide expert-level support for escalated infrastructure issues, coordinate with stakeholders, and ensure SLAs are met.
• Project Involvement:
  Manage multiple tasks and projects in parallel, work with project managers to communicate status, mitigate risks, and deliver high-quality outcomes.

Preferred Certifications (Nice to Have):

• Red Hat Certified Engineer (RHCE)
• Oracle Linux System Administrator Certification
• ITIL Foundation
• Ansible Certification