Jobs in Brampton, United States

Sophos is a global leader and innovator of advanced security solutions for defeating cyberattacks. The company acquired Secureworks in February 2025, bringing together two pioneers that have redefined the cybersecurity industry with their innovative, native AI-optimized services, technologies and products. Sophos is now the largest pure-play Managed Detection and Response (MDR) provider, supporting more than 28,000 organizations. In addition to MDR and other services, Sophos’ complete portfolio includes industry-leading endpoint, network, email, and cloud security that interoperate and adapt to defend through the Sophos Central platform. Secureworks provides the innovative, market-leading Taegis XDR/MDR, identity threat detection and response (ITDR), next-gen SIEM capabilities, managed risk, and a comprehensive set of advisory services. Sophos sells all these solutions through reseller partners, Managed Service Providers (MSPs) and Managed Security Service Providers (MSSPs) worldwide, defending more than 600,000 organizations worldwide from phishing, ransomware, data theft, other everyday and state-sponsored cybercrimes. The solutions are powered by historical and real-time threat intelligence from Sophos X-Ops and the newly added Counter Threat Unit (CTU). Sophos is headquartered in Oxford, U.K. More information is available at www.sophos.com.

The Senior Incident Response Engineer works with incident responders, security analysts, and customers in the growing area of cybersecurity incident response management. This role operates as a key member of an incident response team delivering emergency services focused on the management of active Managed Detection and Response incident response engagements. Responding to incidents includes helping customers manage technical and non-technical aspects of managing response to complex, large-scale incidents; conducting detailed technical analysis to identify the scope and magnitude of security incident activity, developing timelines of activity, developing remediation recommendations, mitigation plans, and incident reporting.

• Utilize Sophos technologies to investigate, contain, and respond to cyber incidents
• Review security-related events and assess their risk and validity based on available telemetry from network, endpoint, and global threat intelligence information to provide customers with concise, detailed, and well-written incident reports, root causes identification, and remediation recommendations
• Perform technical analysis and develop technical conclusions based on analysis of evidence
• Serve as subject matter expert in incident response and digital forensics
• Perform complex incident response technical analysis and develop technical conclusions based on analysis of evidence; review analysis and conclusions of other consultants
• Document findings and develop incident response remediation recommendations to present both orally and in written reports for customers
• Develop playbooks based on customer needs
• Use the Taegis platform to proactively hunt for and investigate activity within the customer environment

• 5+ years experience conducting cyber security investigations in a methodical manner and investigating threats or 3+ years experience performing incident response engagements
• Understanding of network architecture and IT infrastructure
• Experience creating technical documentation and technical reports for customers
• Ability to work under high-pressure situations, when response time matters, to disrupt adversary activity
• Network and endpoint (macOS, Linux, Windows) investigation experience; IDS, IPS, EDR, and basic malware analysis
• Understanding of at least one of the following: OSQuery, SQL, and KQL
• Experience applying frameworks such as MITRE ATT&CK and Cyber Kill Chain
• Ability to work some weekends and holidays
• Knowledge of Windows and Linux command and script interpreters

• Advanced cyber security certifications (GCFE/GCFA, CompTIA CySA+, OSCP, etc.)
• Experience calling customers and providing excellent customer service
• Publications, either written or acknowledged, within the cyber security field

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At Sophos, we believe in the power of diverse perspectives to fuel innovation. Research shows that candidates sometimes hesitate to apply if they don’t check every box in a job description. We challenge that notion. Your unique experiences and skills might be exactly what we need to enhance our team. Don’t let a checklist hold you back – we encourage you to apply.

· 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

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.

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.