Platform Reliability Engineer – Kubernetes, Linux

HumanIT Digital Consulting

. Keep large-scale, business-critical production platforms reliable, observable and secure .

Posted 11/12/2026full-timePorto • PortugalMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in maintaining and improving large-scale production platforms with a focus on reliability, observability, and security. Proficient in Kubernetes operations, scripting, and automation, with a solid understanding of distributed systems and networking fundamentals.

Highest-signal resume keywords

Kubernetes OperationsScripting in Python or GoLinux FundamentalsDistributed Systems ExpertiseIncident Response Contribution

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

KubernetesScriptingLinuxDistributed SystemsNetworking FundamentalsObservability DesignDatastore ManagementIncident ResponseInfrastructure-as-CodeGitOps

Soft Skills

CollaborationProblem-SolvingDocumentation

Tools & Technologies

Monitoring ToolsRunbooksInternal Tooling

Industry Keywords

Site Reliability EngineeringDevOpsPlatform EngineeringHigh-Availability EnvironmentsTelecommunications

Tech Stack

Tools & technologies

Distributed SystemsDNSFirewallsKubernetesLinuxPythonTCP/IPGo

About the role

Key responsibilities & impact

Keep large-scale, business-critical production platforms reliable, observable and secure
Work across infrastructure, distributed systems and operations
Operate and troubleshoot Kubernetes-based production platforms
Shape how reliability is engineered, measured and improved
Build tools and documentation used daily by operations and support teams
Contribute to incident response and blameless postmortems
Collaborate closely with engineering, operations and support teams
Improve on-call and support efficiency through internal tooling and runbooks

Requirements

What you’ll need

5+ years of professional experience in SRE, DevOps, Platform Engineering or Backend Engineering, including time operating production systems at scale
Strong Linux fundamentals and confidence on the command line
Hands-on production experience with Kubernetes, covering workloads, networking, RBAC, observability and troubleshooting
Scripting and automation in Python, Go or a similar language
Solid grasp of distributed systems, including APIs, messaging, caching, latency, throughput and failure modes
Production experience with at least one major datastore, and an understanding of how data affects reliability
Networking and security fundamentals, including TCP/IP, HTTP, DNS, TLS, firewalls, reverse proxies and identity
Experience designing useful observability, including metrics, logs, tracing and alerting
Experience contributing to incident response and blameless postmortems
Experience working alongside operations or support teams
English B2 (Upper Intermediate) or higher
Background in telecommunications or other high-availability, high-traffic environments preferred
Experience defining SLIs/SLOs and error budgets preferred
Experience building internal tooling and runbooks that improve on-call and support efficiency preferred
Exposure to infrastructure-as-code and GitOps practices preferred

Benefits

Comp & perks

Hybrid work model with 2 days per week at the Porto office
Opportunity to work for a leading European telecommunications operator
Hands-on role with real ownership
Work across infrastructure, distributed systems and operations
Close collaboration with engineering, operations and support teams