Principal Linux Architect

Fiserv•Alpharetta, GA

5d•Onsite

About The Position

Fiserv is seeking a highly experienced Principal Linux Architect to provide strategic leadership for enterprise Linux platforms across on-premises, cloud, and hybrid environments.

Requirements

12+ years Linux engineering experience; 8+ years enterprise architecture experience; expert knowledge of Linux, cloud, automation, security, networking, storage, and platform engineering.
5+ years of experience with enterprise-scale automation and Infrastructure as Code.
Strong written and verbal communication skills with ability to engage technical and executive audiences.
Bachelor's degree in Computer Science, Engineering, Information Technology, or related discipline, or equivalent military/work experience.

Nice To Haves

Financial services, fintech, banking, or highly regulated industry experience.
Experience leading enterprise cloud transformation initiatives.
Hands-on experience with: OpenShift, Kubernetes, Service Mesh technologies, Observability platforms
Experience supporting large-scale, multi-datacenter environments.
Relevant certifications such as: Red Hat Certified Architect (RHCA), AWS Solutions Architect Professional, Microsoft Azure Solutions Architect Expert, Certified Kubernetes Administrator (CKA) &/or Terraform Associate.
Experience with CIS benchmarks.

Responsibilities

Develop enterprise Linux architecture standards, roadmaps, and reference architectures.
Lead architecture reviews and approve strategic platform designs impacting multiple business units.
Design highly available, scalable, and resilient Linux infrastructure supporting mission-critical payment and financial systems.
Drive adoption of Infrastructure as Code using Terraform, Ansible, and related automation tools.
Architect enterprise automation frameworks for provisioning, configuration management, patching, and compliance validation.
Lead hybrid cloud and multi-cloud Linux strategies across AWS, Azure, and GCP.
Design and govern container platforms including Kubernetes and OpenShift.
Define Linux operating system standards, hardening baselines, lifecycle management processes, and security controls.
Partner with Information Security teams on PCI-DSS, SOX, NIST, FFIEC, and audit requirements.
Provide executive-level guidance regarding platform modernization, technical debt reduction, and infrastructure investment priorities.
Establish observability, monitoring, reliability, and disaster recovery standards.
Serve as highest-level escalation point for complex Linux performance, stability, networking, storage, and operating system issues.
Drive Site Reliability Engineering (SRE) practices and service-level objectives (SLOs).
Mentor senior engineers, architects, and technical leaders across the organization.
Evaluate emerging technologies and recommend strategic adoption plans.
Lead large-scale datacenter migrations, cloud transformations, platform consolidations, and modernization initiatives.
Collaborate with application, infrastructure, security, and business leaders to align technology strategy with business objectives.
Create governance processes ensuring consistency, security, and operational excellence across enterprise Linux environments.