Cirium reviews

3.1

45% would recommend to a friend

(106 total reviews)

Jeremy Bowen

83% approve of CEO

50% positive business outlook

Cirium has an employee rating of 3.1 out of 5 stars, based on 106 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Cirium employee rating is in line with the average (within 1 standard deviation) for employers within the Aerospace & Defense industry (3.6 stars).

Reviews by job title

106 reviews
4.0
Jun 17, 2026
Recommend
CEO approval
Business Outlook

Pros

Great company culture and flexibility

Cons

not many opportunities to travel and meeting team members and colleagues located remotely, unless you are a senior leader

avatar
Cirium Response
2d
Thank you for taking the time to share your feedback and for your contribution to Cirium. We're pleased to hear that you had a positive experience with our culture and the flexibility we offer colleagues. Creating an environment where people feel trusted, supported and able to balance their professional and personal commitments is important to us. We also appreciate your feedback regarding opportunities to connect with colleagues across locations. As a global business with teams working across different offices and regions, we recognise the value of in-person collaboration and relationship building. The business travel opportunities are guided by company travel policies and business needs to ensure travel is purposeful, consistent and aligned to organisational priorities. We continue to look for ways to bring colleagues together, both virtually and in person, to strengthen connections and collaboration across the business. Thank you again for sharing your experience. We value feedback from current and former colleagues and use it to help shape how we continue to evolve and improve as a workplace.
5.0
Nov 13, 2025
Recommend
CEO approval
Business Outlook

Pros

Great culture and prospects. Honest leadership with focus on good work/life balance and part of a larger organisation with plenty of resources. Roles ranging from data engineering to SRE to SWE.

Cons

Can't think of any. Maybe if aviation isn't your thing?

Viewing 76 - 78 of 106 Reviews

Glassdoor has 107 Cirium reviews submitted anonymously by Cirium employees. Read employee reviews and ratings on Glassdoor to decide if Cirium is right for you.