Boolean search in recruitment isn’t a new concept, in fact, you probably use it every day without even realising it. The principles of Boolean search were introduced by English mathematician George Boole in The Mathematical Analysis of Logic (1847) and have since become a fundamental building block of modern computing. Without his logic, even Google wouldn’t exist as we know it today!
Before diving into advanced boolean search techniques, let’s break down what Boolean search is in recruitment and how you can use it effectively.
What Is Boolean Search in Recruitment?
Boolean search in recruitment is the practice of using structured search techniques within databases like recruitment CRMs, Applicant Tracking Systems, LinkedIn, job boards (Indeed, Monster) or even Google, to find candidates quickly and efficiently. By leveraging Boolean search terms, recruiters can refine the search process to target active and passive candidates more effectively.
Once you’ve exhausted basic CV and profile searches, using Boolean search tools can help to uncover hidden talent that might not appear in conventional search results. Skilled recruiters can construct advanced Boolean search strings to pinpoint ideal candidates for any role. For example, here’s a Boolean search criteria designed to find a Senior Financial Analyst:
Analy* NEAR Financ* AND (Retail* OR e-commerce OR ecommerce) AND budget* AND Plan* AND forecast* AND risk* AND Excel AND (PowerPoint OR “Power Point” OR Tableau OR SAP) AND (Access OR SQL OR “BO” OR “Business Objects”)
Although this might seem complex, it’s built using just six basic Boolean operators. Let’s break them down.
The 6 Basic Boolean Search Operators for Recruiters
There are several simple boolean search examples which can help to streamline the recruitment process. By learning basic boolean logic, recruitment teams can find qualified candidates faster and more efficiently than ever.
1. AND
The AND operator is used in Boolean searches when you want to include two or more criteria. It helps narrow down your search results by ensuring that only results containing the specified multiple keywords are shown.
For example, searching for Recruitment AND Manager will return results that include both “Recruitment” and “Manager.”
2. OR
The OR operator is used in Boolean searches to broaden your results by including multiple entries. It expands your search by returning results that contain any of the specified terms.
For example, performing a recruitment search for Recruitment OR Manager will return results that include either “Recruitment” or “Manager.” This operator is especially useful when there are different terms that mean the same thing, such as Recruitment AND (Manager OR Consultant OR Agent OR Advisor).
3. NOT (-)
The NOT operator is used to exclude specific terms from your Boolean search work. You can also use the minus symbol directly before the term you want to exclude, without a space between them. For example: (Recruitment AND Manager) NOT Consultant (Recruitment AND Manager) -Consultant Both of these searches will return results that include “Recruitment” and “Manager,” but exclude any results containing “Consultant.”
4. Brackets ()
Brackets work similarly in Boolean search to how they’re used in BODMAS rules from high school maths. The key principle is that anything inside the brackets takes priority. In Boolean searches, this means that the terms inside the brackets are processed first, before the other elements.
For example, if you enter Recruitment AND Manager OR Consultant, you might wonder whether the search will prioritise Recruitment AND Manager or Manager OR Consultant. By using brackets, you can clarify how the search engine should interpret the query to find the most relevant candidates and streamline your talent search. So, the search would become: Recruitment AND (Manager OR Consultant). This search will return results that include Recruitment with either Manager or Consultant.
5. Quotation Marks “”
Quotation marks are used to search for an exact phrase. By enclosing two or more words in quotes, you instruct the search to treat them as a single keyword. For example, a search for “Recruitment Manager” will only return results that include that exact phrase. Quotations should be used when you’re certain about the specific terms that will bring back the suitable candidates you’re looking for.
6. Asterisk (*)
The asterisk (*) is used to broaden your search by capturing variations of a word. For example, if you search for admin, the search will return results for words like administrator, administration, administer and administered. By adding an asterisk to the root of a word, you instruct the search to include all related forms of that word rather than having to manually combine keywords to bring back all the relevant results.
How to Apply Boolean Search in Recruitment
Now that you understand the six basic Boolean search operators, try creating your own Boolean search strings within your Eclipse recruitment CRM, LinkedIn, job boards like Indeed and Monster or even Google. By mastering Boolean search, you can save time sifting through thousands of CVs and find candidates that are perfect for the job more efficiently.
Ready to take your Boolean skills to the next level? Check out our guide on 5 Intermediate Boolean Search Operators to build even more powerful search strings!
