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# Principal Software Engineer (Application Networking) - Platform Infrastructure

- **Company:** Elastic
- **Location:** Toledo, Spain
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Amazon Web Services, Amazon Elastic Compute Cloud, Microsoft Azure, Software as a Service, Cloud Engineering, Software Debugging, Distributed Systems, Domain Name System (DNS), Cloud Services, Google Cloud, Kubernetes, Asynchronous Programming
- **Published:** September 27, 2026
- **Apply:** https://www.buscojobs.com.es/principal-software-engineer-application-networking-platform-infrastructure-en-toledo-ID-372565440

## About the Role

Requisitos principales Experience designing high-performance, scalable distributed systems at staff/principal level
Deep expertise in application networking and cloud-native architecture
Strong knowledge of Ingress, private connectivity, DNS, and security controls
Proven ability to own projects end-to-end and lead multiple engineers
Experience operating high-availability SaaS platforms and improving reliability
Track record of using AI to accelerate development and debugging
Strong collaboration across functions and autonomous, transparent communication
Ability to influence direction across teams without formal authority
collaboration across functions
leadership and mentorship
clear, asynchronous communication
Kubernetes networking (Cilium, external-dns, Envoy Gateway, Crossplane)
AWS, Azure, or GCP networking ecosystems
Design, operation, and evolution of Ingress, private connectivity, DNS, and security controls

## Description

OverviewAs Principal Software Engineer, you define the architectural direction for Elastic Cloud's application networking, including Ingress, private connectivity, DNS, and security controls. You'll lead cross-organizational initiatives, elevate reliability, and mentor engineers while partnering with product and senior staff to shape the platform. This role offers influence over high-scale networking systems and the chance to drive architectural clarity and cost efficiency. You'll work in a distributed environment delivering secure, observable cloud services.Compensaciones / Beneficios competitive payhealth coverage for you and your familyflexible locations and schedulesgenerous vacation daysdonation matching up to $****volunteer hours (up to 40 hours/year)Responsabilidades Set the technical direction for major application networking initiatives from proposal to GALead development of Ingress, private connectivity, DNS, and security controls at scale for Elastic CloudIdentify and resolve performance, reliability, and operability issuesLead multi-quarter, cross-organizational projects and guide deliveryImprove operational quality and lead end-to-end incident investigations and on-call rotationMentor engineers and act as a trusted technical advisor across the orgCollaborate with product management and senior stakeholders on trade-offs and roadmap directionChampion security, stability, and cost-efficiency improvementsUntangle complexity and bring architectural clarity across the platformRequisitos principales Experience designing high-performance, scalable distributed systems at staff/principal levelDeep expertise in application networking and cloud-native architectureStrong knowledge of Ingress, private connectivity, DNS, and security controlsProven ability to own projects end-to-end and lead multiple engineersExperience operating high-availability SaaS platforms and improving reliabilityTrack record of using AI to accelerate development and debuggingStrong collaboration across functions and autonomous, transparent communicationAbility to influence direction across teams without formal authoritycollaboration across functionsleadership and mentorshipclear, asynchronous communicationKubernetes networking (Cilium, external-dns, Envoy Gateway, Crossplane)AWS, Azure, or GCP networking ecosystemsDesign, operation, and evolution of Ingress, private connectivity, DNS, and security controls


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