Security Analyst (Future Opportunities)

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

OVERVIEW OF THE ROLE:

We are seeking an experienced Security Analyst to support security operations, implement security controls and respond to security incidents. You will perform hands‑on security analysis, investigate potential threats and recommend practical improvements to strengthen organizational security.

WHAT YOU’LL BE DOING IN THE ROLE:

• Monitor security alerts and events, triage activity and eliminate appropriately.
• Investigate security incidents, identify and analyze Indicators of Compromise (IOCs), and support containment, remediation and post‑incident review.
• Identify security control requirements, then design and implement controls that fit the environment and its risks.
• Assess and monitor control effectiveness, identify gaps and recommend practical improvements, with reference to frameworks such as NIST CSF, ISO 27001 and CIS Controls.
• Do the hands‑on technical work to address identified risks, including tuning detections and configuring security tooling.
• Work directly with client IT and security teams, write clear reports, and present findings and recommendations to technical teams and security leaders.
• Manage your work across more than one client engagement at a time, keeping delivery on track and stakeholders informed.

WHAT SKILLS / QUALIFICATIONS YOU’LL NEED TO DO THE JOB:

Required

• 4+ years of cybersecurity experience, or equivalent practical capability. We value what you can do over the number of years on your resume.
• 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.
• The ability to manage your own deliverables in a remote setting while working well in a distributed team.

Nice to have

• Experience with Microsoft security tools such as Microsoft Sentinel, Microsoft Defender XDR, Microsoft Entra ID and Microsoft Purview.
• Query and scripting skills such as KQL or PowerShell.
• Relevant certifications such as Microsoft SC-200, CompTIA Security+ or CySA+, GIAC (e.g., GCIH) or similar.
• Previous consulting, managed security services or professional services experience