Senior Security Engineer

Intega IT•Ottawa, ON

59d•Onsite

About The Position

Intega is seeking a Senior Security Engineer to provide advanced security expertise across managed customer environments. This role bridges day‑to‑day security engineering and full security architecture, combining hands‑on technical ownership with design input, mentorship, and incident leadership. You will act as a senior escalation point for complex security issues, lead the implementation and tuning of security controls, and contribute to security standards and design decisions—while remaining actively involved in operational security delivery.

Requirements

Advanced experience with EDR/XDR platforms
Identity security (MFA, Conditional Access, identity‑based threat detection)
Email security and anti‑phishing controls
SIEM/SOAR integration and detection logic
Endpoint, cloud, and SaaS security fundamentals
Vulnerability awareness and mitigation strategies
Security incident response leadership
Root Cause Analysis (RCA) and preventative remediation
Security control effectiveness evaluation
Detection tuning and alert optimization
Cross‑functional collaboration in an MSP environment
Strong ownership and accountability
Calm, decisive response under pressure
Risk‑based decision‑making
Clear technical communication and influence without authority
5–8 years experience in security engineering, security operations, or SOC roles
Demonstrated ownership of complex security incidents and security platform management
Experience supporting multi‑tenant or MSP environments strongly preferred

Nice To Haves

Microsoft SC‑200 (Security Operations Analyst) and/or SC‑300 (Identity & Access)
CompTIA Security+, CySA+, CISSP, or equivalent
Vendor security certifications (Defender, Sentinel, Fortinet, Sonicwall)
Practical incident response or threat‑hunting training

Responsibilities

Serve as senior escalation for complex security alerts, incidents, and platform issues
Lead investigation, containment, and remediation of high‑impact security events
Perform root cause analysis and drive preventative security improvements
Design, implement, and tune security controls across endpoint, identity, email, and cloud platforms
Develop deep expertise across all security platforms in use, with the ability to continuously tune, optimize, and maximize their effectiveness to improve detection accuracy, performance, and operational outcomes
Validate effectiveness of security controls and detections across customer environments
Reduce false positives and alert fatigue through tuning and continuous improvement
Act as technical lead during security incidents, including coordination with NOC, Network, M365, and leadership
Support incident impact analysis, recovery recommendations, and post‑incident reviews
Contribute to the development and refinement of incident response playbooks
Contribute to security standards, baselines, and reference designs
Review proposed infrastructure, M365, and network changes for security alignment
Partner with Security Architects on non‑standard or high‑risk designs
Lead secure design decisions during project delivery
Mentor members of the Service Team on tooling, response techniques, and best practices
Raise the overall technical and operational maturity of the security function
Share threat intelligence and security insights across teams