Remote Security Analyst — SOC Investigator & Incident Response

Mariner; Prince Edward Island; Remote; CAD 70,000 - 110,000; Full time

Job summary

Mariner is seeking an experienced Security Analyst to support security operations, implement controls, and respond to incidents. You will perform hands‑on analysis, investigate threats and propose practical improvements to strengthen security.

You will work with client IT and security teams, write reports, and present findings to leaders. The role involves monitoring alerts, investigating IOCs, designing controls, and managing multiple client engagements across a distributed team in a remote

Qualifications

• 4+ years of cybersecurity experience or equivalent practical capability.
• Hands‑on experience in security operations: monitoring, alert analysis and event investigation in a SOC or similar setting.
• Experience investigating incidents and analyzing IOCs.
• Experience selecting, implementing and evaluating security controls.
• Clear written and verbal communication, including turning technical findings into actionable recommendations.
• Comfort working directly with clients and adapting to different environments, priorities and levels of security maturity.
• Ability to manage your own deliverables in a remote setting while working well in a distributed team.

Responsibilities

• Monitor security alerts and events, triage activity and respond appropriately.
• Investigate security incidents, identify IOCs, and support containment and remediation.
• Design and implement security controls to fit environment and risk.
• Assess control effectiveness, identify gaps and suggest practical improvements per NIST CSF/ISO 27001/CIS.
• Perform hands‑on tuning of detections and configuring security tooling.
• Write clear reports and present findings to technical teams and security leaders.
• Manage multiple client engagements simultaneously and keep stakeholders informed.

Skills

Cybersecurity experience

Security operations

Incident investigation

Security controls implementation

Written communication

Client-facing remote work

Remote team collaboration

Tools

Microsoft Sentinel

Microsoft Defender XDR

Microsoft Entra ID

Microsoft Purview

PowerShell

KQL

Job description

Mariner is seeking an experienced Security Analyst to support security operations, implement controls, and respond to incidents. You will perform hands‑on analysis, investigate threats and propose practical improvements to strengthen security.

You will work with client IT and security teams, write reports, and present findings to leaders. The role involves monitoring alerts, investigating IOCs, designing controls, and managing multiple client engagements across a distributed team in a remote