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CL-319 Cloud & Platform

Platform Engineering & Internal Developer Platforms

Build an internal developer platform that is a thin, well-versioned layer over cloud primitives rather than a second infrastructure to operate: a portal and software catalog, platform APIs behind templates, environment provisioning, and multi-tenancy with real isolation. Learners assemble a Backstage-style portal, expose a provisioning API through Crossplane compositions, and onboard a tenant whose services arrive with pipelines, dashboards and alerts already wired.

B4Professional
6modules
43skill atoms
3role journeys
Curriculum

What this course covers.

6 modules, 43 named skill atoms. Expand any module to see them.

1IDP Architecture7 skill atoms
portal, orchestrator and infrastructure control planesBackstage as a portal not the platform itselfKubernetes as substrate vs as the developer interfacebuy, adopt and build decisions per layerplatform boundaries against existing toolingstaying a thin layer over cloud primitivesavoiding a second config language nobody knows
2Software Catalog and Ownership7 skill atoms
catalog entities: component, system, API and resourcecatalog-info discovery from repositoriesownership resolved to a team not a persondependency and API relationships in the graphscorecards for maturity and compliancestale entity detection and cleanupcatalog as the source of truth for on-call routing
3Templates and Platform APIs8 skill atoms
scaffolder actions and template versioningnamespaced composite resources with Crossplane v2compositions built from composition functionsoperators exposing platform capabilities as CRDsAPI contract stability for platform consumersasync provisioning with status feedbackidempotent and retriable platform operationsCLI and portal over the same API
4Environment Provisioning7 skill atoms
namespace or account per team vs per serviceephemeral preview environments per pull requestseeding test data and stub dependenciesenvironment lifecycle with automatic expirycost and quota attached to each environmentsecrets injected via an external secrets operatorparity gaps between preview and production
5CI/CD and Observability Integration7 skill atoms
pipeline templates consumed by generated reposGitOps delivery with ArgoCD applicationsdashboards and alerts created with the serviceOpenTelemetry defaults in the base imagedeployment events annotated on dashboardsSLO scaffolding shipped in the templatebuild and deploy state surfaced in the portal
6Multi-Tenancy and Isolation7 skill atoms
namespace, cluster and account isolation modelsRBAC scoped by team through platform identitynoisy neighbour control with quotas and limit rangesdefault network policy per tenantper-tenant cost attributionblast radius of a platform-wide changetenant onboarding and offboarding runbook
Where it fits

CL-319 in the role journeys.

This course appears in 3 of our 45 role journeys. Here is what a learner takes immediately before and after it in each.

Platform / DevOps Engineer

Professional stage
CL-310→CL-319→CL-307

Site Reliability Engineer

Professional stage
CL-303→CL-319→CL-323

Platform Engineer (IDP)

Professional stage
CL-312→CL-319→CL-308

Roles this course serves

Platform / DevOps EngineerPlatform Engineer (IDP)Site Reliability Engineer
The capability ladder

This course is authored to band B4.

Every course we run is written to one rung of the CASI ladder, so a plan can be assembled to take a team from where they are to where they need to be.

What do B1–B6 mean?The CASI Capability Ladder — click to expand

Every course targets a band on the CASI Capability Ladder — our six-band proficiency scale, anchored to open standards (O*NET, ESCO, NICE, NIST AI RMF, Bloom's). A band tells you how deep a course goes, and what evidence proves it.

What the learner can doTypical evidence
B1
AwareUnderstands concepts and vocabulary; uses tools with guidance
Knowledge checks
B2
FoundationPerforms standard tasks correctly in familiar contexts
Guided labs, autograded exercises
B3
PractitionerDelivers complete pieces of work independently
Scenario labs, proctored hands-on exams
B4
ProfessionalHandles production-grade complexity, trade-offs and failure modes
Break-fix drills, design defenses
B5
AdvancedEngineers systems end-to-end under constraints; leads others
Rubric-scored capstones, vivas
B6
ExpertSets direction; recognised authority across teams
Portfolio + panel evaluation

A note on B6. Courses in this catalog target B1–B5. B6 is not taught — it is recognised, through a portfolio and a panel, once someone is setting direction for others. Every journey here is built to land a learner at B5.

Related

Other Cloud courses at this level.

CL-202

AWS Solutions Architecture

B4 · Professional
CL-204

AWS Data Engineering

B4 · Professional
CL-212

Azure Solutions Architecture

B4 · Professional
CL-214

Azure Data Engineering

B4 · Professional
CL-222

Google Cloud Data Engineering Bootcamp

B4 · Professional
CL-223

GCP Architecture & Operations

B4 · Professional
Next step

Run CL-319 for your team.

This course runs at several lengths depending on how deep you need to go and how much of it your people already have. Tell us who is being trained and we will scope it.

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