Associate Analyst, Managed Threat Response (MTR) About Mimecast Mimecast is a leading cybersecurity company that secures Human, Data and AI, protecting organizations across the people who work for them, the data they rely on, and the AI systems now woven through how they operate. With over 42,000 customers worldwide, we analyse more than 18 billion security events daily to stop attacks before they cause harm. Our business is to secure Human, Data and AI. People remain both an organization's greatest asset and its most targeted point of attack, the data they create and depend on needs protecting wherever it moves, and the AI systems now embedded in daily work introduce a new surface that has to be defended. Our platform combines advanced threat detection, awareness training, and Incydr data protection to reduce the likelihood and impact of security incidents across all three. The Opportunity As an MTR Associate Analyst you will be joining the Mimecast Messaging Security organization and be responsible for supporting a service for on-demand threat resolution. The service is designed to provide customers with prompt feedback and intelligence on email-borne threats, remediate these threats from their email environment to reduce dwell time, and put the appropriate detections in place to prevent further incidents from occurring. The role may require working afternoon and evening shifts and being part of a rotation for holiday support. Messaging Security ensures that our security-focused solutions are performing accurately and efficiently. We verify that Mimecast can detect the latest email-borne threats amidst a rapidly evolving threat landscape. Through threat research and customer feedback we identify where Mimecast can be improved and update detection at our spam, URL, and attachment security layers. We strive for proactive, rather than reactive, approaches to threat detection. The team is also responsible for assuring that Mimecast maintains an exceptional sending reputation by looking for compromised email addresses and senders following poor mailing practice. Messaging Security works closely with research and development, as well as customer support. We are a global team that spans three continents. What You'll Do Analyze phishing and malicious email campaigns to identify IOCs. Categorize email threats and determine the best means of updating detection. Provide email security advice, expertise, and remediation to our customers. Understand security policies within the Mimecast Administration Console and provide configuration suggestions to customers. Research and investigate the latest security threats and their potential impact to Mimecast customers. Work with security vendors around threat detection techniques and remediation. Identify opportunities for improved processes and systems. Participate in a 24/7 rotational shift schedule to ensure continuous threat monitoring and response. Leverage AI tools to enhance threat detection, analysis, and response processes. What You'll Bring Working knowledge of messaging (email traffic management) and routing. Experience and understanding of email security technologies. Strong understanding of Domain Name System (DNS). Strong understanding of SMTP, SSL/TLS, POP3, IMAP, and TCP/IP. Ability to translate complex technical capabilities into management-friendly responses. 1+ years' experience working with the Mimecast platform. Great oral and written communication skills in order to work closely with customers as well as office-based and remote team members. Time management skills and the ability to self-prioritize. Curiosity about the infrastructure of phishing and malicious email campaigns. Familiarity with AI tools and their application in cybersecurity workflows. Flexibility to work in a 24/7 rotational shift environment, including nights, weekends, and holidays. Our Hybrid Model We provide you with the flexibility to live balanced, healthy lives through our hybrid working model that champions both collaborative teamwork and individual flexibility. Employees are expected to come to the office at least two days per week, because working together in person: Fosters a culture of collaboration, communication, performance, and learning. Drives innovation and creativity within and between teams. Introduces employees to priorities outside of their immediate realm. Ensures important interpersonal relationships and connections with one another and our community. Why Mimecast Join our Threat Response | Ops Team to accelerate your career journey, working with cutting-edge technologies and contributing to projects that have real customer impact. You will be immersed in a dynamic environment that recognizes and celebrates your achievements. Mimecast is on a path of steady and healthy growth as a company, investing in people like you who bring the skills and expertise to raise our technical expertise, operational maturity, and customer success to the next level. Your contributions are important! Every voice and action matters. Mimecast offers formal and on-the-job learning opportunities, maintains a comprehensive benefits package that helps our employees and their family members to sustain a healthy lifestyle, and importantly – opportunities to work with cross-functional teams to build your knowledge! LI-GK1 Belonging at Mimecast Cybersecurity is a community effort. That’s why we’re committed to building an inclusive, diverse community that celebrates and welcomes everyone – unless they’re a cybercriminal, of course. We’re proud to be an Equal Opportunity and Affirmative Action Employer, and we’d encourage you to join us whatever your background. We particularly welcome applicants from traditionally underrepresented groups. We consider everyone equally: your race, age, religion, sexual orientation, gender identity, ability, marital status, nationality, or any other protected characteristic won’t affect your application. Due to certain obligations to our customers, an offer of employment will be subject to your successful completion of applicable background checks, conducted in accordance with local law. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. We save companies the embarrassment of awkward data slip ups by disrupting cybercriminal activity. We think fast, go big and always demand more. We work hard, deliver – and repeat. We grow with meaningful determination. And put success well within our reach. We empower each other, live by our values, and always deliver on our purpose. We push each other to be better and expect to be pushed back. This is a community of respect. Where everyone is counted.

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8 May, 2026

mimecast.wd5.myworkdayjobs.com/mimecast

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