Lead Linux Engineer

Infinite Computer Solutions

277d • Remote

About The Position

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.

Requirements

• 8+ years of experience in Linux system engineering in large-scale enterprise environments.
• Proficiency in Red Hat or 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.

Nice To Haves

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

Responsibilities

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

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Industry: Professional, Scientific, and Technical Services
• Education Level: Bachelor's degree