ECS-Core Support Technician (Located in Sheffield, England)

KnowBe4 · Sheffield, England, United Kingdom · Other

Posted 2026-09-28

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To learn more about our team and office culture in England (UK), visit the following links.

Careers Page: https://www.knowbe4.com/careers/locations/york

Glassdoor: https://www.glassdoor.com/Location/KnowBe4-York-Location-EI_IE969384.0,7_IL.8,12_IC3297365.htm

LinkedIn: https://www.linkedin.com/company/knowbe4/life/uk/

The Core Support Technician (ECS Specialist) is the first line of contact for customer support, primarily responsible for resolving a wide range of product-related issues and inquiries primarily related to our Email and Collaboration Security (ECS) product lines. While the role maintains a dedicated focus on ECS, this position must also be able to support the broader KSAT support volume/queue as business needs require, ensuring timely coverage during periods of high demand or staffing gaps. This role focuses on providing excellent customer service, troubleshooting KnowBe4 products, and ensuring timely resolution of support tickets across both ECS and general KSAT queues as needed. The ideal candidate combines strong technical and time management skills with effective communication abilities to assist customers, collaborate with internal teams, and contribute to overall product improvement.

Responsibilities:

Assist in the implementation and configuration of KnowBe4 products to meet specific customer needs and environments

Collaborate with Product team by providing customer feedback for product enhancement

Troubleshoot mail flow logs, headers, and transport rules to diagnose and resolve complex issues related to the ECS product suite.

Identify and speak to efficacy related issues and escalate as needed.

Communicate directly with customers to gather details as needed to fully define issues or requests

Identify, escalate and help resolve critical customer issues related to impacted mail flow.

Work with CSM team to swiftly resolve customer issues

Investigate and document technical issues

Manage ticketing queue, ensuring timely resolution of reports and requests

Apply troubleshooting skills to assist customers with product-related issues

Conduct technical walkthroughs and webinars of KnowBe4's products

Answer incoming calls from Technical Coordinators or customers directly to address customer questions and resolve product-related issues

Minimum Qualifications:

Familiarity with standard concepts, practices and procedures within the IT Security Field

Strong understanding of cloud security architecture, mail flow protocols (SPF, DKIM, DMARC), and enterprise-grade email threat landscapes.

Minimum of 1 year experience in similar or related position

Two-year degree preferred

Familiarity with firewall and email protocols is preferred

Excellent verbal and written communications

Highly organized and result-oriented

Excellent time management and organization skills

Can demonstrate technical troubleshooting and analysis ability

Can demonstrate integrity, accountability, respect and commitment

Strong collaborative and teamwork skills

Must be able to work with minimal supervision

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