✦ Luna Orbit — Cybersecurity

Sr Principal Engineer Software (Backend)

at Palo Alto Networks

📍 Office - USA - WA - Seattle Onsite Posted April 01, 2026
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Position Details

Type Full-Time
Experience lead
Exp. Years 15+ years
Education BS or MS in Computer Science, related field, or equivalent professional experience
Category Cybersecurity

About this role

Senior/Lead backend engineer building and optimizing large-scale cloud backend services for Palo Alto Networks' security platform; focus on reliability, performance, and security.

Key Responsibilities

  • Design and implement scalable backend services
  • Collaborate with product and SRE teams
  • Ensure production reliability and performance
  • Mentor engineers
  • Drive adoption of best practices

Technical Overview

Stack includes multi-language backend (Python/Go/Java/C++), cloud providers (AWS/GCP/Azure), containerization (Docker/Kubernetes), CI/CD, and rich observability (Grafana/Prometheus/ELK).

Ideal Candidate

The ideal candidate is a senior/lead backend engineer with 15+ years of experience building scalable cloud-native services; deep expertise in Python/Go/Java/C++, container orchestration, and modern observability stacks. They should excel in leading teams, driving architecture decisions, and delivering secure, reliable backend systems for a large cybersecurity product.

Must-Have Skills

15+ years in backend/software engineeringExperience with large-scale cloud backend servicesProficiency in one or more languages (PythonGoJavaC#C++)Experience with cloud providers (AWSGCPAzure)CI/CD pipelinesGitLaband Grafana

Nice-to-Have Skills

Docker and KubernetesIaC (TerraformCloudFormation)Monitoring tools (PrometheusGrafana)Logging (ELK/Fluentd)

Tools & Platforms

GitLabGrafanaPrometheusELK stackFluentdDockerKubernetes

Required Skills

PythonGoJavaC#C++KubernetesDockerCI/CDGitLabGrafanaPrometheusELK stackFluentdREST APIsDistributed systemsCloud platformsAWSGoogle Cloud PlatformMicrosoft Azure

Hard Skills

PythonGoJavaC#C++KubernetesDockerCI/CDGitLabGrafanaPrometheusELK stackFluentdREST APIsDistributed systemsCloud platformsAWSGoogle Cloud PlatformMicrosoft AzureSRE

Soft Skills

leadershipcommunicationownershipstrong problem-solvingcollaboration

Industry & Role

Industry Cybersecurity
Job Function Architect and deliver backend software for a large cybersecurity cloud product
Role Subtype Backend Engineer
Tech Domains Go, Python, Java, C++, Kubernetes, Docker, Amazon Web Services, Google Cloud Platform, Microsoft Azure, REST APIs, Distributed Systems, CI/CD

Clearance & Visa

Visa Sponsorship Yes

Keywords for Your Resume

senior backend engineerpythongojavac#c++kubernetesdockerci/cdgitlabgrafanaprometheuselk stackfluentdrest apidistributed systemscloud providerawsgoogle cloud platformmicrosoft azureonsitefull-time

Deal Breakers

No 15+ years of relevant backend experience, unwillingness to work onsite in Seattle

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