Cyber Security Specialist - OSN Dubai
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Key skills for this role
About the Role
OSN is seeking a Cyber Security Specialist to protect digital assets, cloud platforms, and enterprise systems. The role involves security operations, incident response, threat hunting, cloud security, and vulnerability management across AWS, Azure, and on-premises environments.
Key Skills for This Role
Responsibilities
- Lead end to end security incident management including detection, triage, containment, eradication, recovery, and post incident reviews
- Design, implement, and continuously improve SIEM detection rules, correlation logic, dashboards, and automation
- Conduct proactive threat hunting using MITRE ATT&CK and threat intelligence
- Administer, tune, and optimize enterprise security technologies including Microsoft Sentinel/Splunk, Microsoft Defender XDR, DLP, PAM, WAF, and vulnerability management platforms
- Define and enforce security baselines across AWS, Microsoft Azure, and Microsoft 365
- Own the end to end vulnerability management lifecycle including discovery, prioritization, remediation tracking, and reporting
- Perform internal penetration testing and security assessments across infrastructure, cloud, web applications, APIs, and networks
- Promote secure development practices aligned with OWASP Top 10 and Secure SDLC; perform SAST, DAST, and manual application security assessments
- Protect OTT platforms, streaming services, and CDNs against piracy, credential stuffing, account takeover, and content leakage
- Ensure compliance with UAE PDPL, NESA, ISO 27001, SOC 2, and other applicable security frameworks
Requirements
- 5 8 years of dedicated hands on cybersecurity experience in security operations, security engineering, incident response, or offensive security
- Bachelor's degree in Computer Science, Cyber Security, Information Security, Electrical Engineering, or related technical discipline
- Advanced expertise with Microsoft Sentinel (preferred) and/or Splunk, including KQL/SPL query development, detection engineering, dashboards, and automation
- Hands on experience with Microsoft Defender XDR, CrowdStrike, SentinelOne, or equivalent EDR/XDR platforms
- Strong hands on experience securing both AWS and Microsoft Azure cloud environments (mandatory)
- Experience implementing Zero Trust architectures, identity security, CSPM, workload protection, and cloud governance
- Proficiency in Python, PowerShell, or Bash for automation and scripting
- At least one of: CISSP, CISM, CISA, or GCIH certification (required)
- Experience with SAST, DAST, and software composition analysis tools such as Checkmarx, Veracode, Burp Suite Pro
- Experience in media/entertainment sector preferred
Full Job Posting
Role Purpose
- The Cyber Security Specialist is a highly technical individual contributor responsible for protecting OSN's digital assets, content delivery infrastructure, cloud platforms, and enterprise systems against cyber threats.
- The role combines proactive security engineering with real time threat detection, incident response, cloud security, vulnerability management, and DevSecOps.
Key Responsibilities
- Lead end to end security incident management, including detection, triage, containment, eradication, recovery, and post incident reviews.
- Act as primary escalation point within the SOC for Tier 2/3 security incidents and complex investigations.
- Develop and maintain incident response playbooks, runbooks, and communication frameworks aligned with NIST CSF and ISO 27035.
- Conduct forensic investigations across endpoints, servers, cloud workloads, and network infrastructure.
- Design, implement, and continuously improve SIEM detection rules, correlation logic, dashboards, and automation.
- Conduct proactive threat hunting using MITRE ATT&CK and threat intelligence.
- Administer, tune, and optimize enterprise security technologies including Microsoft Sentinel/Splunk, Microsoft Defender XDR, DLP, PAM, WAF, and vulnerability management platforms.
- Define and enforce security baselines across AWS, Microsoft Azure, and Microsoft 365.
- Lead Cloud Security Posture Management (CSPM) initiatives across IaaS, PaaS, and SaaS environments.
- Implement Zero Trust security controls and identity centric security architectures.
- Own the end to end vulnerability management lifecycle including discovery, prioritization, remediation tracking, and reporting.
- Perform internal penetration testing and security assessments across infrastructure, cloud, web applications, APIs, and internal networks.
Qualifications
- Bachelor's degree in Computer Science, Cyber Security, Information Security, Electrical Engineering, or a related technical discipline.
- 5–8 years of dedicated hands on cybersecurity experience in security operations, security engineering, incident response, or offensive security.
- Proven experience operating as an independent Individual Contributor (IC) capable of solving complex technical cybersecurity challenges with minimal supervision.
- Demonstrated expertise administering and tuning enterprise SIEM platforms within medium to large enterprise environments (500+ employees or equivalent).
- Strong hands on experience securing both AWS and Microsoft Azure cloud environments is required.
- Practical experience conducting penetration testing, vulnerability assessments, threat hunting, or red team activities.
- Experience working within regulated environments governed by frameworks such as ISO 27001, SOC 2, UAE PDPL, NESA, GDPR, or equivalent.
Technical Skills & Competencies
- Advanced expertise with Microsoft Sentinel (preferred) and/or Splunk, including KQL/SPL query development, detection engineering, dashboards, and automation.
- Hands on experience with Microsoft Defender XDR, CrowdStrike, SentinelOne, or equivalent EDR/XDR platforms.
- Experience administering DLP, PAM (CyberArk, BeyondTrust), WAF (AWS WAF, Azure Front Door, Cloudflare, F5), email security gateways, and enterprise security technologies.
- Strong experience with vulnerability management platforms including Tenable, Qualys, or Rapid7.
- Deep understanding of AWS security services including IAM, GuardDuty, Security Hub, CloudTrail, Config, Inspector, KMS, AWS WAF, VPC security, and logging.
- Strong expertise with Microsoft Defender for Cloud, Microsoft Sentinel, Microsoft Entra ID, Azure Firewall, Key Vault, and Azure networking.
- Experience implementing Zero Trust architectures, identity security, CSPM, workload protection, and cloud governance.
- Experience securing Infrastructure as Code, CI/CD pipelines, Docker, Kubernetes, and serverless workloads.
- Strong networking knowledge including TCP/IP, DNS, HTTP/S, TLS, VPNs, BGP, firewalls, IDS/IPS, and load balancing.
- Strong understanding of OWASP Top 10, OWASP ASVS, Secure SDLC, API security, and common web application vulnerabilities.
- Experience with SAST, DAST, and software composition analysis tools such as Checkmarx, Veracode, Burp Suite Pro, or equivalent.
- Proficiency in Python, PowerShell, or Bash for automation, scripting, and security integrations.
Professional Certifications
- Required (Minimum One): CISSP, CISM, CISA, or GCIH.
- Preferred: Microsoft Certified: Security Operations Analyst Associate (SC 200), Azure Security Engineer Associate (AZ 500), AWS Certified Security – Specialty, OSCP, CEH, GCFA/GCFE, CompTIA CySA+, Security+, or Cloud+.
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