[updated]
IC = worker with management tendencies but more technical knowledge.
[kept]
Ok then. Helpful. Corporatespeak is often just jargon creation to exclude others for whatever reason.
[edit expansion] Worker who is not manager but has manager skills sufficient to orchestrate as needed to deliver a result in required manner. Knowledge level exceeds expectation normally associated with a classic "pure" manager.
[updated] IC = worker with management tendencies but more technical knowledge.
[kept] Ok then. Helpful. Corporatespeak is often just jargon creation to exclude others for whatever reason.
[edit expansion] Worker who is not manager but has manager skills sufficient to orchestrate as needed to deliver a result in required manner. Knowledge level exceeds expectation normally associated with a classic "pure" manager.