dr.David
Rhodus
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Chapter 1719 / 232

Operating Model and Maturity

Operating Quantum Computers · 6 min read

A quantum platform is not operated by physicists alone, and it is not operated by software engineers alone. It requires a blended organization: device physics, control engineering, compiler engineering, platform engineering, data engineering, security, SRE, and domain science.

The operating model determines whether the platform learns. Without clear ownership, every failure becomes a meeting. With clear ownership, every failure becomes telemetry, a test, or a policy improvement.

17.1 Team topology

DIAGRAM
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17.1 Team topology · Figure 1
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flowchart TB
    Platform[Quantum platform organization] --> Device[Device physics and hardware]
    Platform --> Control[Control systems]
    Platform --> Compiler[Compiler and runtime]
    Platform --> Infra[Platform infrastructure]
    Platform --> Data[Experiment data]
    Platform --> SRE[SRE and operations]
    Platform --> Security[Security and governance]
    Platform --> Domain[Application/domain teams]

Each team owns a different abstraction, but the user experiences one platform.

Team Owns
device physics qubit health, calibration, device limits
control systems pulses, timing, acquisition, real-time feedback
compiler/runtime transformation from program to executable workload
infrastructure APIs, workspaces, identity, storage, deployment
data experiment bundles, metadata, reproducibility
SRE reliability, incidents, observability, SLOs
security access control, audit, policy, compliance
domain teams problem formulation and result interpretation

The interfaces between teams should be artifacts, not meetings.

17.2 Ownership map

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17.2 Ownership map · Figure 2
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    Workload[Workload] --> DomainOwner[Domain owner]
    Compile[Compilation] --> CompilerOwner[Compiler owner]
    Cal[Calibration] --> DeviceOwner[Device owner]
    Queue[Scheduling] --> PlatformOwner[Platform owner]
    Result[Result trust] --> Joint[Domain + platform review]
    Incident[Incident] --> IncidentCommander[Incident commander]

Ambiguity to eliminate:

Question Must have one accountable owner
Who can declare the device degraded? yes
Who can roll back a compiler release? yes
Who can invalidate results? yes
Who approves reserved windows? yes
Who owns trust-report format? yes
Who decides if a result is publishable? yes, with cross-functional review

Shared consultation is healthy. Shared accountability without a final owner is not.

17.3 Release management

Quantum platforms release more than software. They release compilers, calibrations, target profiles, mitigation methods, policy changes, and sometimes hardware capability changes.

DIAGRAM
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17.3 Release management · Figure 3
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flowchart TD
    Change[Change proposal] --> Classify[Classify change]
    Classify --> Test[Test suite]
    Test --> Canary[Canary workloads]
    Canary --> Compare[Compare against baseline]
    Compare --> Approve{Approve release?}
    Approve -- no --> Rollback[Reject or revise]
    Approve -- yes --> Deploy[Deploy]
    Deploy --> Monitor[Monitor quality]
    Monitor --> RollbackDecision{Regression?}
    RollbackDecision -- yes --> Rollback
    RollbackDecision -- no --> Close[Close release]

Release classes:

Release type Risk
API-only client compatibility, auth, quotas
compiler pass circuit depth, mapping, measurement semantics
target profile routing and gate selection changes
calibration procedure device quality distribution changes
mitigation method estimate bias and variance changes
scheduler policy fairness and queue latency changes
hardware mode broad platform behavior changes

Every release should say which result classes may be affected.

17.4 Change advisory without bureaucracy

The goal is not a slow review board. The goal is a small set of automatic gates plus human review for high-risk changes.

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17.4 Change advisory without bureaucracy · Figure 4
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    Change[Change] --> Risk{Risk level}
    Risk -- low --> Auto[Automated tests and deploy]
    Risk -- medium --> Reviewer[One accountable reviewer]
    Risk -- high --> CAB[Cross-functional review]
    Auto --> Release[Release]
    Reviewer --> Release
    CAB --> Release

High-risk examples:

  • changes to measurement mapping,
  • new mitigation default,
  • pulse-level access policy changes,
  • compiler passes that alter circuit layout materially,
  • calibration procedures that change device operating point,
  • scheduler policy changes during critical project windows.

The review should be proportional to potential result impact.

17.5 Maturity model

Quantum operating maturity can be described in five levels.

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17.5 Maturity model · Figure 5
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    L1[L1: Lab scripts] --> L2[L2: Shared service]
    L2 --> L3[L3: Governed platform]
    L3 --> L4[L4: Reliable product]
    L4 --> L5[L5: Continuously optimized system]
Level Characteristics
L1: Lab scripts notebooks, manual tokens, ad hoc results
L2: Shared service common API, basic queueing, shared storage
L3: Governed platform project isolation, provenance, access policy, trust reports
L4: Reliable product SLOs, incident response, release gates, cost controls
L5: Optimizing system closed-loop calibration, workload-aware scheduling, automated regression detection

Most teams should aim for L3 before claiming production readiness. L4 is where users can depend on the platform. L5 is where the platform improves itself without losing control.

17.6 Capability matrix

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17.6 Capability matrix · Figure 6
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    Capabilities[Capabilities] --> Access[Access control]
    Capabilities --> Provenance[Provenance]
    Capabilities --> Scheduling[Scheduling]
    Capabilities --> Calibration[Calibration]
    Capabilities --> Observability[Observability]
    Capabilities --> Cost[Cost control]
    Capabilities --> Security[Security]
    Capabilities --> ResultTrust[Result trust]

A practical assessment:

Capability L1 L3 L5
access control shared tokens project roles policy-as-code with audit
provenance manual notes experiment bundles automatic lineage graph
scheduling FIFO priority and quotas quality-aware scheduling
calibration manual windows versioned snapshots closed-loop optimization
observability logs traces and metrics result-aware telemetry
cost control after-the-fact budgets and quotas value-based capacity allocation
result trust expert judgment trust reports automated invalidation and reprocessing

This matrix is more useful than a generic roadmap because it ties maturity to operational behaviors.

17.7 Training and certification

Quantum operations require internal certification. Not every user should have the same execution rights.

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17.7 Training and certification · Figure 7
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    User[User] --> Basic[Basic platform training]
    Basic --> Simulator[Simulator access]
    Simulator --> QPUIntro[QPU introductory access]
    QPUIntro --> Advanced[Advanced workload certification]
    Advanced --> Restricted[Restricted capabilities]

Access tiers:

Tier Capabilities
viewer read approved reports and dashboards
simulator user run local or managed simulators
QPU user submit bounded QPU workloads
advanced user run batches, sessions, larger experiments
platform operator manage queues, incidents, policies
restricted operator pulse-level or hardware-adjacent access

Training should include cost, uncertainty, result interpretation, security, and incident reporting. A user who cannot explain confidence intervals should not publish QPU-derived claims without review.

17.8 Decision forums

A quantum platform needs a few recurring forums, not endless sync meetings.

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17.8 Decision forums · Figure 8
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    Forums[Operating forums] --> Daily[Daily operational review]
    Forums --> Weekly[Weekly quality and capacity review]
    Forums --> Release[Release review]
    Forums --> Incident[Incident postmortem]
    Forums --> Research[Research roadmap review]
Forum Purpose
daily operational review device status, queue health, incidents
weekly quality review benchmark trends, calibration, useful-result rate
capacity review reservations, budgets, project demand
release review compiler/runtime/platform changes
incident postmortem learning and corrective action
research roadmap align platform work with scientific goals

Each forum should produce decisions or be deleted.

17.9 Build versus buy

Quantum organizations must decide what to build internally and what to rely on from vendors.

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17.9 Build versus buy · Figure 9
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    Need[Capability need] --> Strategic{Strategic differentiator?}
    Strategic -- yes --> Build[Build or deeply customize]
    Strategic -- no --> Vendor{Vendor adequate?}
    Vendor -- yes --> Buy[Use vendor/platform]
    Vendor -- no --> Partner[Partner or build minimal bridge]

Usually worth building:

  • experiment data model,
  • trust-report workflow,
  • domain-specific application layer,
  • internal governance and cost controls,
  • reproducibility tooling,
  • benchmark suites tied to your workloads.

Usually not worth rebuilding early:

  • generic quantum SDKs,
  • cloud identity systems,
  • commodity observability backends,
  • basic object storage,
  • general-purpose workflow engines.

The platform should integrate aggressively and differentiate selectively.

17.10 Roadmap cadence

Quantum roadmaps must separate research uncertainty from platform commitments.

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17.10 Roadmap cadence · Figure 10
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    Vision[Long-term vision] --> Annual[Annual architecture bets]
    Annual --> Quarterly[Quarterly platform roadmap]
    Quarterly --> Monthly[Monthly reliability and quality targets]
    Monthly --> Weekly[Weekly operational improvements]

Good roadmap items:

  • “reduce median compile-to-result time for approved estimator workloads by 30%,”
  • “increase promoted-result provenance completeness from 75% to 95%,”
  • “detect readout regressions within 15 minutes using canaries,”
  • “reduce invalidated runs from compiler releases to zero through release gates.”

Weak roadmap items:

  • “use more quantum,”
  • “improve fidelity,”
  • “make platform production-ready,”
  • “support more algorithms.”

A roadmap item should identify the operational metric it changes.

17.11 Operating model checklist

Requirement Evidence
named owners for device, compiler, data, platform, security ownership map
release process for compiler, calibration, scheduler, and policy change records
maturity target for each capability capability matrix
incident command process runbooks and postmortems
training tiers access policy and certification records
cost and capacity forum decision log
result-promotion process trust-report pipeline
build/buy strategy architecture decision records
DIAGRAM
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17.11 Operating model checklist · Figure 11
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    Ownership[Ownership] --> Process[Process]
    Process --> Telemetry[Telemetry]
    Telemetry --> Learning[Learning]
    Learning --> Improvement[Continuous improvement]
    Improvement --> Ownership

The operating model is the machine around the machine. Without it, the QPU remains a lab instrument. With it, the QPU can become part of a reliable computational platform.