Every project lives under three constraints: time, cost, and scope/quality. “Pick any two,” as the saying goes — engineers spend their lives negotiating the third.
Requirements first: clear, testable “shall” statements form the baseline.
Break down the work: decompose into systems, subsystems, and tasks; assign IDs and owners.
Iterate and integrate: build, test, fix, repeat — don’t wait for perfection to move forward.
Continuous risk scanning: ask daily, “what can sink us?” and “what’s our mitigation?”
Verification planning: decide early how you’ll prove each requirement was met (test, analysis, demo).
Projects rarely run in straight lines. Engineers make constant trade-offs under pressure. Typical levers:
Performance vs. cost: a stronger material might add reliability but wreck the budget.
Schedule vs. thoroughness: ship today with known gaps, or delay for a full test cycle?
Features vs. simplicity: adding “just one more option” often multiplies integration headaches.
Innovation vs. proven tech: bleeding-edge can impress, but also bleed resources.
Checklists & Kanban boards: keep the team aligned and tasks visible.
Version control (git, etc.): every change logged, reversible, traceable.
Simulations & prototypes: test early assumptions before committing dollars.
Daily stand-ups: short syncs to surface blockers and reprioritize quickly.
Metrics dashboards: time, burn-down, defect counts, throughput — quantify reality.
Scenario: Thermal system runs hotter than predicted.
Trade-off: Add a fan (cost + noise), or derate performance (schedule impact)?
Decision: Add fan; log requirement deviation; update BOM and test plan.
Scenario: Customer asks for a new feature late.
Trade-off: Include now (delay ship), or push to next release?
Decision: Document as "should" requirement; plan for v2.0.
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