Cybersecurity Engineer (L3)

About Atomic North

Atomic North Private Limited (www.atomicnorth.com) is the India-based global delivery organization supporting North American clients through its parent company, Supra ITS (www.supraits.com). Atomic North delivers services across Managed IT, Cloud, Cybersecurity, Application Services, and Business Operations, operating in a 24×7 global delivery model.

As an extension of client-facing teams, Atomic North takes end-to-end ownership of service outcomes, with a strong focus on operational discipline, clear communication, and consistent service quality. The organization serves as the central delivery and operations backbone for Supra's Managed IT, Application Services, and BPO businesses.

As an integral part of Supra ITS international ecosystem, Atomic North works in close collaboration with North American leadership teams, ensuring transparency, governance, and seamless global delivery.

About Supra ITS

Founded in 1999, Supra ITS is a globally trusted technology services partner delivering Managed IT Services, Cybersecurity, Digital Transformation, Application Services, and Business Process Outsourcing. Headquartered in Brampton, Ontario, Supra ITS operates across Canada, the United States, the United Kingdom, and India.

Supra's Network Operations Centers (NOCs) in Canada and India provide 24×7 coverage, ensuring operational continuity and a consistently high client experience. Its end-to-end service portfolio spans infrastructure management, private and hybrid cloud, security operations, service desk, and disaster recovery.

With a security-first, SLA-driven approach, Supra ITS takes full ownership of client IT environments, enabling customers to focus on business growth while Supra ensures reliability, security, and scalability.

Canon Partnership

In 2021, Canon Canada made a strategic equity investment in Supra ITS, reflecting a shared commitment to secure, innovative, and customer-centric technology solutions.

Today, Canon and Supra operate as an integrated partnership combining Canon's global innovation and enterprise strength with Supra's agility and managed services expertise to drive rapid growth across North America.

Together, Canon and Supra are redefining enterprise technology delivery through strong engineering, operational excellence, and deep customer relationships.

Position: Cybersecurity Engineer (L3)

Experience: 8–10 Years.

Shift: 24*7 Rotational shift

Mode: Onsite

Location: Billawar (Kathua), Jammu & Kashmir

Role Overview

The L3 Cybersecurity Engineer serves as a senior technical authority within the security operations team, owning P1/P2 incident response, post-incident analysis, detection engineering, and L2 capability development. This is a leadership-oriented, high-ownership role operating with full autonomy across client environments.

Key Responsibilities

• Lead P1 & P2 incident response end-to-end across client environments
• Conduct root cause analysis & formal post-mortems for major incidents
• Drive detection rule tuning & sustained false positive reduction
• Design & implement automation, response playbooks & runbooks
• Lead proactive threat hunting across client environments
• Mentor & train L2 analysts — structured coaching & knowledge transfer
• Act as engineering liaison between SOC/NSOC and security engineering teams
• Author and maintain SOPs, process documentation & operational standards
• Manage shift handovers — ensure continuity, escalation readiness & log integrity

Required Skills & Experience

• 8–10 years SOC / cybersecurity operations (L3)
• CrowdStrike Falcon & Sentinel One — hands-on EDR
• SIEM platforms — Adlumin or equivalent
• Full incident response lifecycle ownership
• MITRE ATT&CK framework working knowledge
• Log analysis, threat detection & incident handling
• Windows / Linux & networking fundamentals

Tooling & Platform Management

• CrowdStrike Falcon — health & alert pipeline
• Sentinel One — telemetry & response workflows
• Adlumin SIEM — log management & ingestion
• Monitor tool health & data pipeline continuity
• Troubleshoot integration & telemetry gaps

Compliance & Governance

• ISO/IEC 27001 control implementation & alignment
• Support audits, risk assessments & reporting
• Maintain incident documentation, SOPs & playbooks

Education

• B.Tech / B.E. / BCA / B.Sc (IT, CS, Electronics)

Good to Have

• ISO/IEC 27001 audit or implementation exposure
• Cloud environments — Azure / AWS
• Certifications: Security+, CEH, CySA+ or equivalent

Soft Skills

• Analytical, structured problem-solving approach
• Clear written & verbal communication
• Independent and effective in on-site environments
• Proactive, ownership-driven with low supervision

Why Join Atomic North

• Live international enterprise environments from Day 1
• EDR, SIEM & multi-client security ops exposure
• Career growth in Cybersecurity & IT Operations
• Global pathway through Supra ITS Canada
• ISO/IEC 27001 governance & compliance exposure
• Mentorship, structured escalation & team culture