> Markdown version of [/jobs/ext/3252277-senior-cybersecurity-analyst-cyber-defense-operations](https://www.wearedevelopers.com/jobs/ext/3252277-senior-cybersecurity-analyst-cyber-defense-operations). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Cybersecurity Analyst - (Cyber Defense Operations)

- **Company:** Talan SAS
- **Location:** Valencia, Spain
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Amazon Web Services, Microsoft Azure, Bash Shell, Software as a Service, CompTIA Security+, Cyber Security, Databases, Linux, Web Servers, Infrastructure as a Service (IaaS), Python (Programming Language), Network Security, Linux System Administration, Log Analysis, Microsoft Security Essentials, Network Monitoring, Platform as a Service (PAAS), Windows PowerShell, ArcSight SIEM Tool, Ruby, Security Information and Event Management, TCP/IP, EndPointSecurity, Diagnostic Tools, Scripting, Computer Networking Systems, Cloud Platform System, QRadar, Firewalls (Computer Science), Azure Security Center, Cybercrime, Microsoft Sentinel, Cyber Warfare, Splunk
- **Published:** September 25, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=cb8bb99cd3f6e82f

## About the Role

We're looking for someone who combines strong technical skills with a proactive and collaborative mindset., * 5+ years of experience in IT, Cybersecurity or Security Operations.

 * Hands-on experience working in a SOC environment, including security alert triage and incident investigation.
 * Strong knowledge of SIEM and EDR technologies.
 * Experience with platforms such as Microsoft Sentinel, Splunk, QRadar, ArcSight or ELK.
 * Experience with Microsoft Security technologies, including Defender for Endpoint, Microsoft 365, Sentinel, Azure Security and XDR.
 * Strong understanding of Azure, AWS and/or GCP.
 * Experience with at least one EDR solution, such as Microsoft Defender for Endpoint or CrowdStrike.
 * Strong knowledge of networking and TCP/IP.
 * Excellent experience analyzing security logs across Windows and Linux environments.
 * Knowledge of email security, network monitoring and incident response.
 * Experience managing and processing security tickets.
 * Excellent spoken and written English.
 * It would be a plus if you have:

 * Experience working in an Incident Response team, particularly Tier I/II.
 * Experience monitoring AWS environments, including IaaS, PaaS and SaaS.
 * Scripting experience with Python, PowerShell, Bash, Ruby or similar.
 * Cybersecurity certifications such as SC-200, GCIH, CEH, GCFA, GIAC, CCNA or MCSE.
 * Experience working in a global, distributed SOC.

## Description

We're looking for a Senior Cybersecurity to join a global Cybersecurity Operations team responsible for protecting critical environments and supporting international organizations against evolving cyber threats.

You'll be part of a 24x7 Security Operations Centre (SOC), working with cybersecurity specialists across the world to monitor, investigate and respond to security incidents. This is a hands-on role where your technical expertise will directly contribute to improving threat detection, incident response and overall security.

What will you do?

 * Monitor, triage and investigate security alerts across SIEM, EDR, Microsoft Security and cloud environments.
 * Investigate potential cyber threats and security incidents, identifying root causes and appropriate remediation actions.
 * Analyze logs from Windows, Linux, databases, applications, web servers, firewalls and network security systems.
 * Work closely with Incident Response teams and cybersecurity specialists to contain and resolve threats.
 * Use and maintain security monitoring and detection tools, helping improve detection quality and reduce false positives.
 * Prepare clear security reports, incident summaries and technical findings for clients.
 * Manage security-related tickets and ensure incidents are properly documented.
 * Contribute to improving SOC processes, procedures, documentation and knowledge bases.
 * Work directly with clients to understand their environments and optimize security monitoring.
 * Stay up to date with emerging threats, technologies and cybersecurity best practices.