Shanice Brathwaite Administrative Assistant, Engineering Operations Columbus, 43215, United States [email protected] · (614) 555-0103
11 September 2026
Ms. Deirdre Coyle Operations Alum Creek Industrial Group Columbus, United States
Application for Senior Administrative Assistant, Operations Group
Dear Ms. Coyle,
I am applying for the Senior Administrative Assistant post supporting your operations group. I currently support four directors and a 62-person engineering department at Vantage Ridge Engineering, carrying a purchasing card at $5,000 single transaction and $25,000 monthly, and I have held delegated expense approval for the past three years.
The part of the job I would expect to take off your team first is the approvals queue. I raise and receipt purchase orders to $15,000 in Coupa across 41 active vendors, approve roughly 120 expense reports a month to $2,500 as a delegate, and reconcile a $1.1M non-labor budget against NetSuite each period with accruals closed within two business days. I also administer Google Workspace for 140 department accounts, so provisioning, shared drives and calendar delegation do not sit with your IT team.
Your posting mentions consolidating three separate requisition processes after last year's merger. That is close to the work I did here: engineers were submitting requests four different ways, so I rebuilt intake around a single form and the average purchase order cycle went from 11 days to 4. I would want to start there, because everything downstream gets easier once requests arrive in one shape.
I hold the Certified Administrative Professional credential, certificate CAP-118742, and I am available with four weeks' notice. Thank you for your time.
Sincerely, Shanice Brathwaite, CAP
Summary
An administrative assistant cover letter states what you were authorized to decide without asking, how large the group you supported was, and which systems you administered rather than merely used. This guide gives you a full adaptable letter, the openings that work, and how to write the letter when your authority grew but your job title never did.
Administrative Assistant cover letter examples by experience level
An administrative assistant cover letter is a one-page letter that tells a manager how much of their department you can take off them, and on what authority.
That is the question behind the posting. Someone is leaving, or the team has outgrown the person doing admin alongside another job, and the approvals, the card, the vendor calls and the calendar have piled onto a manager who should not be doing them. Your letter either says you can absorb that pile or it lists tasks.
Guide to an administrative assistant cover letter
This guide and the corresponding administrative assistant cover letter example will cover:
- How to structure the letter, paragraph by paragraph
- Why your card limit and approval threshold belong in the first two paragraphs
- What counts as evidence when you have no dollar figures
- How to write the letter when authority grew but your title did not
- The openings that get a strong file read to the end
How to write an administrative assistant cover letter
| Paragraph | Its job | Length |
|---|---|---|
| Opening | The role, who you support now, and at what scale | 2 to 3 sentences |
| Authority | Card limit, approval threshold, budget, systems you administer | 4 to 5 sentences |
| Fit | Something specific about their organization and the pile you would take | 3 to 4 sentences |
| Close | Credential, availability, thank you | 2 sentences |
Put a number in the first line
Administrative postings draw very large volumes, and almost every letter opens the same way: interest in the position, strong organizational skills, thrives in a fast-paced environment.
Open with scale instead. "I currently support four directors and a 62-person engineering department on a $5,000 purchasing card." That is unusual purely because it is checkable, and it tells the reader in one line whether you sit above or below the role they are filling.
Then spend the second paragraph on thresholds: what you could approve, what you could sign, what you administered. Those are the facts a manager weighs, and almost nobody supplies them unprompted.
An administrative assistant cover letter example you can adapt
Dear Ms. Coyle,
I am applying for the Senior Administrative Assistant post supporting your operations group. I currently support four directors and a 62-person engineering department at Vantage Ridge Engineering, carrying a purchasing card at $5,000 single transaction and $25,000 monthly, and I have held delegated expense approval for the past three years.
The part of the job I would expect to take off your team first is the approvals queue. I raise and receipt purchase orders to $15,000 in Coupa across 41 active vendors, approve roughly 120 expense reports a month to $2,500 as a delegate, and reconcile a $1.1M non-labor budget against NetSuite each period with accruals closed within two business days. I also administer Google Workspace for 140 department accounts, so provisioning, shared drives and calendar delegation do not sit with your IT team.
Your posting mentions consolidating three separate requisition processes after last year's merger. That is close to the work I did here: engineers were submitting requests four different ways, so I rebuilt intake around a single form and the average purchase order cycle went from 11 days to 4. I would want to start there, because everything downstream gets easier once requests arrive in one shape.
I hold the Certified Administrative Professional credential, certificate CAP-118742, and I am available with four weeks' notice. Thank you for your time.
Sincerely, Shanice Brathwaite, CAP
Openings that work
| Instead of | Use |
|---|---|
| I am writing to express my interest in the administrative assistant position | I support four directors and a 62-person department on a $5,000 purchasing card |
| I am a highly organized professional with excellent attention to detail | I approve roughly 120 expense reports a month to $2,500 as a delegate |
| I would be a valuable asset to your team | Your posting mentions consolidating three requisition processes, which is the work I did here |
What counts as evidence of authority
Not every administrative assistant has been given a card, and plenty of employers never write down what they trust people with. You can still be specific.
| Kind of evidence | What it looks like in a sentence |
|---|---|
| Spending limit | Purchasing card at $5,000 single transaction, $25,000 monthly |
| Approval threshold | Delegate approver on expense reports to $2,500 for four directors |
| Signature authority | Signed vendor agreements to $25,000 under the delegation of authority matrix |
| Budget held | Reconciled a $1.1M non-labor budget monthly and closed accruals in two days |
| System administration | Google Workspace administrator for 140 accounts, including shared drive permissions |
| Cycle time changed | Purchase order cycle from 11 days to 4 after redesigning requisition intake |
Pick two of these for the letter, not six. The resume carries the full list; the letter shows you know which two matter for the role in front of you.
When you are moving up in authority, not in title
Administrative assistants are routinely trusted with more long before anyone changes their title, which leaves a resume looking flat even though the job doubled.
The letter fixes that, because it is the only place you can describe change over time in your own words. Put the before and after in one sentence: "When I started I submitted expense reports; I now approve them to $2,500 for four directors, and my card limit has moved from $1,000 to $5,000."
Open with the scale of what you support now. Give the card limit as two numbers. Name one system you administer rather than use. Quote one line from the posting and answer it directly. Say what you would take off their plate first, and why that item. Address a named person, since operations and HR leads are usually listed publicly.
Do not open with interest in the position. Do not describe yourself as organized, reliable or a fast learner, because every letter in the folder does. Do not list ten systems; two with an access level beats ten without. Do not claim administrator rights you did not hold. Do not repeat your resume in prose; the letter exists to say which parts matter here.
A declining occupation that still turns over 314,400 jobs a year
Secretaries and administrative assistants held 3,515,600 jobs in 2025, and employment is projected to decline 2 percent, or 75,300 jobs, through 2035. Even so, about 314,400 openings a year are projected on average, which the Bureau attributes to replacing workers who move to other occupations or leave the labor force (BLS Occupational Outlook Handbook, 2025-35 projections, published 27 August 2026). The median annual wage was $48,310 in May 2025, and the category most administrative assistants sit in, except legal, medical and executive, had a median of $47,540 (BLS, May 2025).
In practice you are almost always replacing a specific person rather than filling a new seat. The department has just lost whoever knew the vendor list, the card, the approvals and the quirks of the finance system. Naming the limits you already carry answers the only question that manager has: how long is the handover.
Length, format and sending it
One page, four paragraphs, 250 to 400 words. PDF unless the portal says otherwise, named for yourself and the role: shanice-brathwaite-administrative-assistant-cover-letter.pdf.
Use the same figures as your resume so the two agree. A card limit that reads $5,000 in one file and $7,500 in the other is the small contradiction that ends a strong application. Our administrative assistant resume example uses the numbers in this letter.
Address a person. Operations managers, office managers and HR coordinators are listed on most company sites, and a generic salutation on an otherwise specific letter reads like one sent to thirty employers.
Key takeaways
- Open with the scale of what you support, not with interest in the position.
- Give the purchasing card as two numbers: single transaction and monthly.
- Say approved rather than processed, if approved is true.
- Name one system you administer, with the access level.
- Answer one line from the posting directly, and say which pile you would take first.
- Keep the figures identical to your resume and address a named person.
Write your administrative assistant cover letter in 10 minutes.
Administrative assistant cover letter questions, answered
How long should an administrative assistant cover letter be?
One page, four paragraphs, 250 to 400 words. These roles attract very high volumes and length does not read as effort. A short letter with four checkable figures beats a page of adjectives.
Do I need a cover letter if the application is just a portal form?
Attach one wherever there is a field. The portal collects identical structured data from every candidate, so it cannot say that you hold a $5,000 card, approve expenses as a delegate and administer the finance system. The letter is the only place that fits.
What do I write if I have never had a card or approval rights?
Write volume and ownership: headcount supported, calendars run, meetings coordinated, vendors handled, onboarding owned. Then name the systems and be accurate about your access level. Specific volume without authority still reads far better than tasks without either.
Should I name the systems the employer uses if I have not used them?
Name the ones you know and say what transfers. "I have administered Concur and Coupa, so SAP Ariba is a matter of configuration rather than concepts" is honest and useful. Claiming a system you have never opened is the fastest way to lose the interview, since the first screening question is usually about it.
How do I explain that I am applying for a bigger job than I currently hold?
Show that the gap is narrower than the title suggests. Give the authority you hold now, then name the one thing the new role adds and how close you have come to it. Someone who approves to $2,500 and reconciles a $1.1M budget is credibly ready for a $25,000 signature authority, and saying so plainly beats avoiding it.