About Us
Sophos is a cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from Sophos X-Ops to deliver advanced, 24/7 threat monitoring, detection, and response.

About Us
Sophos is a cybersecurity leader defending 600,000 organizations globally with an AI-driven platform and expert-led services. Sophos meets organizations wherever they are in their security maturity and grows with them to defeat cyberattacks. Its solutions combine machine learning, automation, and real-time threat intelligence with frontline human expertise from Sophos X-Ops to deliver advanced, 24/7 threat monitoring, detection, and response.

Sophos offers industry-leading managed detection and response (MDR) alongside a comprehensive portfolio of cybersecurity technologies — including endpoint, network, email, and cloud security, extended detection and response (XDR), identity threat detection and response (ITDR), and next-gen SIEM. Together with expert advisory services, these capabilities help organizations proactively reduce risk and respond faster, with the visibility and scalability needed to stay ahead of evolving threats.

Sophos goes to market with a global partner ecosystem, including Managed Service Providers (MSPs), Managed Security Service Providers (MSSPs), resellers and distributors, marketplace integrations, and cyber risk partners, giving organizations the flexibility to choose trusted relationships when securing their business. Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com .

Role Summary
As a Senior Threat Analyst – Tier I on our Managed Detection and Response (MDR) team, you will provide best-in-class monitoring, detection, and response services to proactively defend customer environments before attacks prevail. You will work alongside and contribute to a team of cyber threat hunters, incident response analysts, engineers, and ethical hackers by using enterprise, log analysis and endpoint collection systems to facilitate investigations, identification, and neutralization of cyber threats.

What You Will Do

Monitor, investigate, and respond to alerts generated by the Sophos security stack (including EDR/XDR capabilities)

Lead and mentor Tier I Analysts through escalated cases, ensuring thorough and accurate investigation practices.

Perform end-to-end analysis on suspicious activity to assess scope, impact, and risk

Identify and respond to cyber threats across customer environments using approved playbooks and tooling

Accurately document findings, investigative steps, and outcomes in the MDR case management platform

Conduct threat hunting to identify potential threats throughout the MDR customer base

Investigate phishing emails, suspicious binaries, and behavioral anomalies

Support detection tuning by identifying recurring false positives and suggesting improvements

Stay informed on threat actor behaviors, MITRE ATT&CK; techniques, and Sophos threat research updates

Proactively research emerging IOCs, active exploits, and vulnerabilities to stay ahead of evolving threats

Contribute to internal knowledge bases, documentation,



and continuous improvement initiatives

Participate in shift rotations and ensure timely, detailed handovers between global teams

Provide detection and response support for active security incidents

Manage case workflows: create cases, track progress, and follow up with clients until resolution

Engage with clients via chat, phone, and tickets as part of case handling

Assist with developing and refining Security Operations processes, playbooks, and tooling feedback

What You Will Bring

5+ years of hands-on experience in a Security Operations Center (SOC), Managed Detection and Response (MDR) setting, or cybersecurity-focused IT role

Proficient in the use of endpoint and network security tools (e.g., EDR, IDS/IPS, malware detection platforms) with the ability to validate and triage complex alerts

Working knowledge of Windows operating systems (both workstation and server), with additional experience in Linux (Ubuntu, Debian, RedHat) or macOS environments

Ability to interpret and analyze Windows event logs and other telemetry data

Understanding of core network concepts including TCP/IP, protocols, routing, and traffic analysis

Demonstrated experience contributing to real-time incident response efforts and threat investigations

Exposure to threat hunting methodologies and an understanding of attacker behavior and patterns

Experience handling active threats, including containment, mitigation, and recovery efforts during security incidents

Familiar with techniques such as persistence, privilege escalation, lateral movement, and defense evasion, and able to identify these in real-world environments

Familiarity with common incident response workflows and security operations processes

Strong analytical thinking and troubleshooting skills, with attention to detail in investigations and case documentation

Excellent communication skills, with the ability to clearly explain findings to both technical and non-technical audiences

Customer-first mindset with professionalism and a focus on service excellence

Must thrive within a team environment as well as on an individual basis

Natural curiosity and willingness to learn in a fast-paced, ever-changing threat landscape

A passion for cybersecurity, continuous improvement, and staying current on threat trends

Bachelor's degree in information technology, Computer Science, Cybersecurity or related field, or equivalent practical experience

Willingness to participate in shift work including nights, weekends and holidays (our MDR service is 24x7x365)

Desirable

Familiarity with the MITRE ATT&CK; framework and its application in detection and response

Experience working with SIEM platforms and managing enterprise security telemetry

Ability to write and interpret SQL queries for data analysis and investigation

Experience with OSQuery and scripting skills, particularly in PowerShell

Relevant and practical cybersecurity certifications (e.g., GSEC, GCIA, GCIH, PEN-200, Security Blue Team L1,



TCM Academy SOC L1, or similar)

In Canada, the base salary for this role ranges from $86,000 to $143,000. In addition to base salary, we offer additional compensation including bonus eligibility and a comprehensive benefits package. A candidate’s specific pay within this range will depend on a variety of factors, including job- related skills, training, location, experience, relevant education, certifications, and other business and organizational needs.

What's Great About Sophos?

Sophos operates a remote-first working model, making remote work the primary option for most employees. However, some roles may necessitate a hybrid approach. While we are a remote first organization, applicants must have legal authorization to work in the jurisdiction where the position is posted, without requiring employer sponsorship.

Our people – we innovate and create, all of which are accompanied by a great sense of fun and team spirit

Employee-led diversity and inclusion networks that build community and provide education and advocacy

Annual charity and fundraising initiatives and volunteer days for employees to support local communities

Global employee sustainability initiatives to reduce our environmental footprint

Global fitness and trivia competitions to keep our bodies and minds sharp

Global wellbeing days for employees to relax and recharge

Monthly wellbeing webinars and training to support employee health and wellbeing

Our Commitment To You
We’re proud of the diverse and inclusive environment we have at Sophos, and we’re committed to ensuring equality of opportunity. We believe that diversity, combined with excellence, builds a better Sophos, so we encourage applicants who can contribute to the diversity of our team. All applicants will be treated in a fair and equal manner and in accordance with the law regardless of gender, sex, gender reassignment, marital status, race, religion or belief, color, age, military veteran status, disability, pregnancy, maternity or sexual orientation. We want to give you every opportunity to show us your best self, so if there are any adjustments we could make to the recruitment and selection process to support you, please let us know.

Data Protection
If you choose to explore an opportunity, and subsequently share your CV or other personal details with Sophos, these details will be held by Sophos for 12 months in accordance with our Privacy Policy and used by our recruitment team to contact you regarding this or other relevant opportunities at Sophos. If you would like Sophos to delete or update your details at any time, please follow the steps set out in the Privacy Policy describing your individual rights. For more information on Sophos’ data protection practices, please consult our Privacy Policy Cybersecurity as a Service Delivered | Sophos We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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📌 Senior Threat Analyst (Manitoba)
🏢 Sophos
📍 Manitoba