Jobs and Careers
FI

Principal Linux Architect

Fiserv
Alpharetta, United Statesfull_timeVerifiedPosted 17 Jul 2026

About the role

Calling all innovators – find your future at Fiserv.

We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Principal Linux Architect

About your role: 

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

 

What you’ll do: 

  • 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. 

 

Experience you’ll need to have:

  • 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. 

 

Experience that would be great to have: 

  • 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.

 

How you’ll work:

  • Fiserv emphasizes in-person collaboration to help yo

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

Fiserv

View company profile →