Security Engineer L3
Listed on 2026-05-31
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IT/Tech
Cybersecurity, Systems Engineer, Cloud Computing
Security Engineer L3
CBTS Chennai, Tennessee, United States Engineering
About this positionCBTS serves enterprise and midmarket clients in all industries across the United States and Canada. CBTS combines deep technical expertise with a full suite of flexible technology solutions—Application Modernization, Managed Hybrid Cloud, Cybersecurity, Unified Communications, and Infrastructure solutions. From developing and deploying modern applications and the secure, scalable platforms on which they run, to managing, monitoring, and optimizing their operations, CBTS delivers comprehensive technology solutions for its clients' transformative business initiatives.
For more information, please visit
OnX is a leading technology solution provider that serves businesses, healthcare organizations, and government agencies across Canada. OnX combines deep technical expertise with a full suite of flexible technology solutions—Generative AI, Application Modernization, Managed Hybrid Cloud, Cybersecurity, Unified Communications, and Infrastructure solutions. From developing and deploying modern applications and the secure, scalable platforms on which they run, to managing, monitoring, and optimizing their operations, OnX delivers comprehensive technology solutions for its clients' transformative business initiatives.
For more information, please visit
- Handles day‑to‑day security engineering activities, including configuration and maintenance of firewalls, IDS/IPS, SIEM tools, and endpoint protection systems.
- Conduct vulnerability assessments and coordinate remediation with relevant infrastructure teams.
- Monitor, analyze, and respond to security incidents and alerts in a timely manner.
- Maintain and tune SIEM rules, correlation policies, and dashboards for accurate threat visibility.
- Collaborate with IT, Network, and Cloud teams to ensure secure configuration and patch compliance.
- Support audits, compliance checks, and risk assessments for regulatory and internal requirements.
- Prepare and maintain security documentation, SOPs, and incident response playbooks.
- Mentor engineers and junior engineers on routine tasks.
- Track Mean Time to Detect (MTTD) and Mean Time to Respond (MTTR) for security incidents.
- Ensure vulnerability closure rate within defined SLAs.
- Maintain compliance with internal and external security standards.
- Reduce repeat or preventable incidents.
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