Sr. Customer Success Engineer, EMEA

JobsCloseBy Editorial Insights

Censys seeks a Sr. Customer Success Engineer, EMEA, a remote UK role near London. You will own the technical success of customers from onboarding through adoption, deliver white-glove service, manage complex escalations, and guide integrations with Splunk, Jira, ServiceNow, and Cloud Connectors while translating security objectives into scalable solutions. Bring 4+ years in a technical customer-facing role, ideally in cybersecurity SaaS, strong Python and REST API skills, and solid knowledge of security tooling, cloud providers, and SSL TLS, plus the ability to influence across teams. Demonstrate calm under ambiguity, superb communication, a self-starter mindset, and a track record of reducing time to value. Salary £93k-£107k plus bonus and equity; day-one benefits; remote in UK, London area preferred.

Role Summary:

In this role, you will report to the Manager, Customer Success and Support. You'll collaborate with a team of experts dedicated to delivering white-glove service to our most important customers. As a Senior CSE, you’ll be a product expert, who loves solving problems and going the extra mile to ensure no stone is left unturned. You’ll serve as a coach and trusted advisor during the training, implementation, and adoption phases of the customer lifecycle and be a trusted partner for all support requests.

 Location: This is a fully remote position within the United Kingdom, with a preference for being located around the London metro area. 

 What You’ll Do:

• Partner with the Customer Success organization to deliver a world-class, white-glove customer experience
• Own the technical success of a portfolio of strategic customers, serving as a trusted advisor across onboarding, implementation, and adoption
• Manage and resolve support requests from simple to highly complex, acting as the primary escalation point for high-impact customer issues
• Proactively identify risks to customer health and drive mitigation plans to reduce time to value
• Lead complex implementations from technical discovery through production rollout
• Guide customers in deploying, troubleshooting, and optimizing integrations such as Cloud Connectors, Splunk, Jira, and ServiceNow
• Translate customer business and security objectives into scalable technical solutions
• Represent the customer perspective by identifying trends and sharing actionable feedback with Product and Engineering
• Help define success metrics and feedback loops for new product launches
• Mentor CSEs and contribute to evolving internal processes, runbooks, and support standards
• Serve as a subject matter expert and escalation resource for complex technical challenges

What You’ll Bring:

• 4+ years of experience in a technical, customer-facing role, ideally within a cybersecurity SaaS environment
• Proven experience owning complex customer relationships and driving technical outcomes
• Strong understanding of security tooling, cloud providers, and common network protocols, including SSL/TLS
• Advanced proficiency in Python and comfort working with REST APIs
• Ability to influence without authority and collaborate effectively across teams
• Excellent communication, organizational, and troubleshooting skills
• Comfort operating with ambiguity in a fast-paced, high-growth environment
• A self-starter mindset with a resourceful, “figure-it-out” attitude and a strong customer focus

The annual base salary range for this role will be around £93,000 - £107,000, plus bonus eligibility and equity. 

In addition to our great compensation package, our benefits are effective on day one and include but are not limited to: 401k match, health, vision, dental, and more! Please see our careers page for more details.

This is a fully remote position with no expectation to come into an office, but must be located in or around London, in the United Kingdom.