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CyberClan
CyberClan provides enterprise security, and human response to small and midsize enterprises and channel partners through comprehensive risk assessment services, 24/7/365 managed detection and response services, and lightning-fast breach response. Formerly known as Network Test Labs established in Canada and specializing in vulnerability assessments and penetration testing in the gaming industry, CyberClan has grown from three employees in 2006 in one market to over 75 employees with clients in nine countries and offices in Australia, Canada, United Kingdom, and United States as a leading Managed Services Provider.
Our mission is to make the online world a safer and more secure place by delivering sophisticated cybersecurity solutions in a highly personalized — and human — way.
PBR Specialist
CyberClan is hiring a PBR Specialist who will be technically hands-on and deployed to client environments in the wake of confirmed ransomware or destructive cyber incidents to rapidly restore business operations and harden infrastructure against re-compromise. Working under high pressure alongside DFIR, threat intelligence, and ransomware negotiation teams, the specialist takes full ownership of complex remediation workstreams while strictly operating within the chain of evidence. Beyond technical execution, the position demands strong decision-making to secure the environment and produce defensible documentation tailored for the client, cyber insurers, and external counsel.
The successful candidate will work closely with the Director of Global Incident Response Operations. The ideal candidate will have an energetic, can-do attitude and be comfortable working in a metrics-driven environment, delivering results and supporting team members.
Key Responsibilities
Incident response and recovery
- Mobilize to client engagements (remote and on-site) within agreed CyberClan SLA windows following ransomware, wiper, or destructive intrusion events.
- Execute the CyberClan PBR playbook across endpoint, server, hypervisor, identity, network, and backup domains.
- Coordinate with the lead DFIR investigator to ensure remediation activity does not compromise forensic evidence or active threat actor monitoring.
- Identify and eradicate threat actor persistence (scheduled tasks, services, run keys, web shells, rogue accounts, GPO modifications, OAuth grants).
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Systems remediation
- Rebuild or restore Windows Server, Linux, and virtualized infrastructure (VMware vSphere, Hyper-V, Nutanix).
- Reset and rotate domain credentials, including dual krbtgt resets, service account rotation, and KRBTGT golden ticket invalidation.
- Restore Active Directory from clean backup or rebuild forest where compromise is total.
- Deploy or redeploy EDR (CrowdStrike Falcon, Sentinel One, Microsoft Defender for Endpoint) across the recovered estate before reconnection.
- Validate backup integrity, perform clean-room restoration, and document restore lineage.
Network remediation
- Rebuild and harden firewall rule sets (Fortinet, Palo Alto, Cisco ASA/FTD, Check Point).
- Implement segmentation between corporate, OT, management, and recovery VLANs.
- Reissue VPN credentials and certificates. Disable legacy remote access (RDP exposed, unsupported SSL VPN versions).
- Restore routing, switching, and wireless infrastructure to a known-good state.
Identity and cloud
- Remediate Entra ID / Azure AD compromise: revoke tokens, audit conditional access, remove rogue applications and consent grants, reset privileged accounts.
- Harden Microsoft 365 tenancies (MFA enforcement, legacy auth disable, mailbox forwarding audit).
- Address AWS, Azure, and GCP compromise where in scope (IAM rotation, key revocation, cloud trail review).
Hardening and handover
- Implement post-incident hardening: LAPS, tiered admin model, application allowlisting, attack surface reduction rules, PowerShell logging.
- Produce client-facing remediation reports detailing actions taken, residual risk, and recommended longer-term improvements.
- Support handover to the client's BAU IT and security teams or to CyberClan's managed services where applicable.
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Reporting and continuous improvement
- Contribute to engagement debriefs and playbook refinement.
- Feed observed threat actor TTPs back into CyberClan's threat intelligence function.
- Maintain accurate engagement timesheets and case notes for insurer and legal review.
Skills, Knowledge and Experience:
- Minimum 4 years in a technical infrastructure, sysadmin, or security engineering role.
- Demonstrable hands-on experience rebuilding compromised Active Directory environments.
- Strong working knowledge of Windows Server (2016 through 2025), Group Policy, and PowerShell scripting.
- Practical experience with at least one major hypervisor platform (VMware vSphere or Hyper-V).
- Experience deploying at least one enterprise EDR product.
- Working knowledge of enterprise backup platforms (Veeam, Rubrik, Commvault, Cohesity) including immutable backup concepts.
- Ability to operate under pressure, in unfamiliar environments, with incomplete information.
- Willingness to travel at short notice.
Preferred Qualifications
- At least 1 years’ experience in incident response, DFIR, or post breach remediation.
- Cloud incident response experience (Azure, AWS, GCP).
- OT/ICS exposure.
- Microsoft 365 / Entra ID forensics and remediation.
- PowerShell, Python, or Bash automation for at-scale remediation tasks.
- Experience working within an insurer-led engagement model and workflows.
- Familiarity with current ransomware threat actor TTPs (LockBit successors, Akira, Kairos, Play, BlackBasta variants, RansomHub).
- Prior consulting or MSP background.
Attributes
- Calm under pressure. Engagements are time critical.
- Clear written and verbal communication.
- Capable of explaining technical decisions to non-technical stakeholders including C-suite, legal, and insurers.
Benefits
- Annual Leave
- Wellness Leave
- Birthday Day
- Pension
Job Type
Full-time
Location
100% Telecommuting
Must be authorized to work in Canada
% of Travel Required
75%
Physical Requirements
Prolonged periods of sitting at a desk and working on a computer
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