Senior Cybersecurity Analyst

2 days ago

Kitchener, Ontario, Canada eSentire Full time
About eSentire

eSentire is a leading provider of Managed Detection and Response (MDR) services, protecting the critical data and applications of 2000+ organizations in 80+ countries, across 35 industries from known and unknown cyber threats.

The company's mission is to hunt, investigate, and stop cyber threats before they become business-disrupting events. Combining cutting-edge machine learning XDR technology, 24/7 Threat Hunting, and proven security operations leadership, eSentire mitigates business risk and enables security at scale.

The eSentire team is comprised of experts in cybersecurity, threat intelligence, and incident response, working together to provide comprehensive security services to customers worldwide on a 24x7 basis.

Job Summary

We are seeking a highly skilled Senior Cybersecurity Analyst to join our Global Security Operations Centre (GSOC) team. The successful candidate will perform comprehensive security investigations across network, endpoint, log, and cloud security in a fast-paced, dynamic environment.

Key Responsibilities
  • Analyze incoming security signals in real-time with a balance of accuracy and speed using a variety of proprietary and third-party tools.
  • Apply investigative tactics, techniques, and procedures (TTPs) using your understanding of the security threats associated with the incoming signals to accurately identify and classify threats.
  • Handle in-depth investigations, digital forensics (network, endpoint, log, cloud), and advanced customer requests, conveying results to customers as needed.
  • Investigate security incidents and contribute to incident response reports and after-action reviews.
  • Participate in various internal projects and initiatives to increase SOC efficiency and improve SOC tooling.
  • Perform audits and secondary review of selected signals, following up with analysts and customers when necessary.
  • Block malicious network traffic, isolate infected hosts on customers' networks, and perform other remediation actions using internal and third-party tools.
  • Support and mentor analysts during investigations or customer inquiries.
  • Identify gaps in processes and procedures and escalate them to leadership.
  • Provide input to our Learning and Development team on training content.
Requirements
  • Relevant degree in Computer Science, IT Security, IT Management, IT Support, or related discipline. The completed course must include a strong focus on networking and security.
  • 3+ years' full-time experience in a Security Operations Centre or similar Cyber Security Analysis role, excluding time spent on an intern or work experience program.
  • Hands-on experience in the following Security domains:
    • Network Security, including Intrusion Detection Systems / Intrusion Prevention Systems (IDS/IPS)
    • Windows Endpoint Security, using EDR products such as VMware Carbon Black Standard, CrowdStrike Falcon, or SentinelOne
    • SIEM/Log Management, using products such as SumoLogic, Splunk, or similar
    • The Microsoft Defender Product Suite, including Microsoft Defender for Endpoint, Sentinel, and Defender for Identity
  • Knowledge and experience of technologies, including:
    • Windows Sysinternals Tools and LOLBins
    • Advanced Tactics and Techniques, such as Lateral Movement and Defense Evasion
    • Linux Kernel and basic scripting (Bash/Python/Powershell) knowledge
    • Cloud Security Fundamentals
    • Understanding of User Identity and Access Management
  • Analytical mind with strong attention to detail and a commitment to quality of service.
  • Strong customer-facing written and verbal communication skills, with the ability to effectively communicate complex security concepts with end customers.
  • Demonstrated experience to confidently handle escalated customer issues, diffuse challenging situations, and deliver an optimal customer experience.
  • Natural ability to thrive in a fast-paced and time-sensitive environment.
  • Ability to work in an operational/shift-based environment with flexible working hours, including evenings and weekends.
  • Industry Certificates, such as CEH, CCNA CyberOps, CISSP, or other similar industry-standard certifications, would be an asset.
Why eSentire?

eSentire is a company that values innovation, collaboration, and employee development. We offer a dynamic work environment, opportunities for growth and advancement, and a comprehensive benefits package.

We are committed to creating a fair and inclusive work environment that is aligned with the Accessibility for Ontarians with Disabilities Act (AODA). We guarantee equal treatment and provide opportunities regardless of race, creed, color, religion, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, status as a protected veteran, or any other legally protected grounds.

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