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Firstup

Sr. Site Reliability Engineer (UK)

Hybrid- London, UK

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hirly's read of this role

Role family
Engineering
Seniority
Senior
Country
GB
Work mode
On-site / unstated
First seen by hirly
4 Nov 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

Who We Are

At Firstup, our mission is to improve the employee experience at every moment that matters, large and small. As the communication pipeline for the world's workforce, we now serve 40 of the Fortune 100 companies, reaching and connecting more than 17 million employees daily.

Our employees are experts in the employee experience, workforce communications and technology.

Joining Firstup means joining a movement to make work better for every worker. As the world’s first intelligent communication platform, Firstup meaningfully engages employees at every moment from hire to retire, and delivers engagement insights to help companies support, promote and retain their talent. Our movement has taken root and is evident in our world-class customer base. Now we need your help. Ready to make a difference in the world?

Job Summary

The Senior Site Reliability Engineer is responsible for improving the reliability, scalability, security, and operational efficiency of Firstup’s business-critical, multi-tenant cloud platform. This role leads complex incident response and root-cause improvements, balancing immediate customer and production needs with durable, scalable solutions. Working closely with Engineering, Information Security, and Customer Success, the Senior Site Reliability Engineer helps build an operability culture that protects customers, reduces risk, and supports the continued growth of the platform.

Original posting on Firstup's site ↗

Listed on hirly, a job board. hirly is not the employer: Firstup is hiring for this role.

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