Cyber Defense Manager

JustMarkets | General InfoSec | Financial Services/Fintech

Fully Remote

Full Time

Source not independently verified

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We are looking for a Cyber Defense Manager to lead, mature, and operate our resilient security operations capability. In this role, you will own the defense of our environment, ensuring fast and precise threat detection, investigation, containment, and exposure reduction. You will lead our security operations function, making the organization faster in responding to threats while continuously improving controls across the attack surface.

Responsibilities

Own Cyber Defense execution across SOC, detection engineering, incident response, and exposure remediation
Lead alert triage quality, escalation standards, incident command, and response coordination
Prioritize critical vulnerabilities and exposures using asset criticality, exploitability, and business impact
Manage Cyber Defense dashboards, runbooks, remediation follow-up, and operational metrics
Coordinate with IT, Platform, Product, GRC, Legal, and business owners during incidents and remediation
Build and develop the Cyber Defense team, including hiring, onboarding, mentoring, and retaining security talent
Drive continuous improvement of detection coverage, response playbooks, and security controls based on lessons learned and threat intelligence
Report on Cyber Defense performance, incidents, and risk posture to security leadership and stakeholders

Requirements

10+ years of experience in Information Security
3+ years in a security management or team lead role with direct people management experience
Hands-on experience managing SOC operations, leading incident command, and driving MTTD/MTTR improvement
Ability to design, validate, and maintain detection logic across SIEM, EDR, and cloud platforms, with a deep understanding of runbook development and false-positive reduction
Knowledge of top attack scenarios (ATO, credential theft, privilege escalation, data exfiltration) and ability to map detections to threat models like MITRE ATT&CK
Experience prioritizing vulnerabilities using CVSS and asset criticality to reduce exposure aging
Hands-on experience with at least one enterprise SIEM (Splunk, Microsoft Sentinel, Chronicle, Elastic) and SOAR tooling
Understanding of cloud-native security controls and monitoring in AWS, GCP, or Azure
Understanding of IAM, PAM, SSO, and identity-related attack vectors relevant to detection and response
Ability to define, track, and communicate security KPIs and operational dashboards to technical and executive audiences
English - Upper-Intermediate or higher
Ukrainian - Fluent

Will be a plus

Experience in fintech, e-commerce, or other high-risk industries with complex threat landscapes
Hands-on background as a SOC analyst, incident responder, or detection engineer prior to moving into management
Experience building a SOC or Cyber Defense function from scratch or significantly maturing an existing one
Familiarity with threat intelligence platforms and threat-informed defense methodologies
Relevant certifications: CISSP, CISM, GIAC (GSOM, GCED, GCIH) or equivalent

We offer

20 paid vacation days per year
10 paid sick leave days per year
Public holidays as per the company’s approved Public holiday list
Medical budget
Opportunity to work remotely
Professional education budget
Language learning budget
Wellness budget (gym membership, sports gear and related expenses)

Required Skills

awsazureelasticgcpiamsiemsplunksso

Required Languages

🇬🇧 English, 🇺🇦 Ukrainian

Key competency: General InfoSec