When a primary EA leaves, the CEO's world does not degrade gracefully. It degrades all at once. The junior EA is the seat that prevents it - but only if you hire it for continuity and development, not to clear the bottom of the pile. How to scope it, budget it, and avoid the two ways most offices get it wrong.
Here is a scenario we get called about more often than any other.
The primary EA to a CEO resigns on a Friday. Or goes on leave with two days' notice. Or is out for six weeks with no warning at all. By Monday, the CEO's calendar is a guess, the briefing packs have stopped, follow-ups are dying in an inbox nobody else can read, and three years of accumulated context about how this principal actually operates has walked out of the building inside one person's head.
The CEO's world does not degrade gracefully. It degrades all at once. Panic, stress, and inefficiency arrive together, and they arrive within days. If there is only one Executive Assistant in the office, there is no shock absorber. The most expensive person in the company is suddenly running their own logistics, badly, while a search that should take a quarter gets rushed into six panicked weeks.
Every part of that scenario was preventable. The prevention is a seat most offices either don't have or have staffed wrong: the junior EA.
Ask most offices why they hired a junior EA and you'll hear some version of "to take the bottom-level admin off the primary's plate." Expenses. Gatekeeping overflow. Meeting logistics for the wider office.
That work is real, and the seat should absorb it. But if that is the whole job description, you have bought an admin and told yourself you bought insurance.
The junior EA seat exists to do three things, in order of importance:
Continuity. If the primary EA is gone tomorrow, this person keeps the Readiness layer standing. Not perfectly. Not at the primary's level. But standing: the calendar holds, the briefings go out, the CEO's day still compounds instead of leaking. The difference between a competent junior and no junior is the difference between a stressful quarter and a structural failure.
Development. This seat is where the next primary EA learns the principal, the office, and the operating rhythm at close range. Run properly, it is a two-to-three-year apprenticeship in one of the hardest jobs in the support market.
Absorption. The admin load. Third on the list, because it is the easiest to replace and the least valuable of the three.
Most offices invert this order, hire for the third job, and then act surprised when the insurance turns out to be imaginary.
This seat has a narrow band of "right," and offices miss it in both directions.
Too junior. Hire purely for the admin load, at admin-market rates, and you get someone who can process expenses but cannot hold the primary's seat for a single week. The day you actually need the continuity, it isn't there. You paid for an insurance policy with an exclusion clause covering the only event you insured against. Worse, the failure is invisible until the exact moment it matters, because on every normal day the too-junior hire looks fine.
Too ready. The opposite mistake is subtler. Hire someone already capable of the primary seat, and you have placed a senior operator underneath a role they could do, with no timeline for getting it. For six months it feels like a luxury: two people who could each run the office. By month twelve it is friction. The junior is blocked by the primary above them, the primary can feel it, and the relationship that was supposed to transfer knowledge starts guarding it instead. By month eighteen the junior leaves, usually for a primary seat somewhere else, and they leave sharpened by everything your office taught them. You ran a training program for a competitor's hire.
The right profile sits between the two: someone who could hold the primary's seat for a quarter under pressure, but is not yet ready to own it permanently. Capability headroom, not capability overlap. Typically that is two to four years of real assistant experience, visible trajectory, and the temperament to operate in someone else's shadow without either wilting or plotting.
If continuity is the point, the scope has to build it deliberately. It will not happen by osmosis.
The junior covers the primary's planned absences, fully, as designed step-up reps rather than emergencies. They sit inside the handover rhythm, not outside it. They maintain the documented ways-of-working, which forces the office's knowledge onto paper instead of leaving it in the primary's head. And they own defined slices of the real work end to end: a recurring meeting cycle, a category of correspondence, a standing process, so that "stepping up" means expanding territory they already hold rather than landing on foreign ground.
One structural point that decides whether any of this works: the primary EA has to be part of the design. Developing the junior belongs in the primary's scope, explicitly, and it should be recognized as part of their value rather than a threat to it. A primary who hoards context can quietly nullify the entire seat, and you will not find out until the day the seat was for. If your primary is threatened rather than extended by a capable junior, you have a different problem, and it is upstream of this hire.
And be honest at the offer stage about where the seat goes. There are only two good answers: they eventually take the primary seat, or you develop them and help them into a primary seat elsewhere, on good terms, as an alumnus of your office. Either is fine. What kills the seat is the third option most offices default to: no answer at all, and a capable person left to rot under a blocked ceiling.
Priced against the admin market, a step-up-capable junior looks expensive. That is the wrong comparison.
The right comparison is the cost of the gap. Take a CEO whose fully-loaded cost to the company runs into the millions, and whose decisions move far more than that. Now price a quarter of that person under-briefed, self-scheduling, and losing an hour a day to logistics, while a rushed search compromises on the most important support hire in the company. Against that number, the premium for genuine step-up capability, typically $30,000 to $50,000 a year over an admin-market hire, rounds to zero.
At the top of the market, expect $100,000 to $150,000 fully loaded for the profile worth having, and more at large public companies where equity enters the picture. If that feels heavy for a "junior" title, you are still pricing the third job on the list instead of the first.
Hire this seat for continuity and development, not to clear the bottom of the pile. Scope it so the step-up is rehearsed before it is needed. Budget it against the cost of the gap, not the admin market. And give the person in it an honest answer about where it leads.
The offices that get this right never make the panicked Monday phone call. The ones that don't are usually on the other end of ours.
This seat is one of five roles in the Balanced Office, the configuration we'd design from a blank sheet for the CEO of a serious institution. The full breakdown, including budgets and failure modes for every configuration, is in our paper: The Five Configurations of the Office of the CEO.
Blackbook Associates | Retained search for the Office of the CEO