Second Line Security Event Analyst

Vector Synergy; Brussel; Sur place; EUR 60 000 - 90 000; Plein temps

Résumé du poste

VECTOR SYNERGY sp. z o.o. is seeking a cybersecurity analyst to design, develop and maintain detection rules, alerts and analytics across SIEM, EDR/XDR and cloud security tools such as Splunk, Microsoft Sentinel, Azure and AWS.

You will review investigations, mentor junior analysts, and drive automation and SOAR workflows while operating in a regulated environment with NATO Secret clearance and a focus on high-quality security operations.

Qualifications

• Designing, developing and maintaining detection rules, alerts and analytics across SIEM/EDR/XDR and cloud security tools.
• Mentoring less-experienced analysts and providing feedback on investigations and reporting.
• Experience with automation or SOAR use cases to improve workflows.

Responsabilités

• Reviewing and validating investigations to CSOC quality standards, ensuring completeness and accuracy.
• Acting as the technical escalation point for cyber security monitoring.
• Performing in-depth log analysis and threat triage using SIEM and SOAR platforms.

Connaissances

Detection rules design

Mentoring analysts

Automation / SOAR

Outils

Splunk

Microsoft Sentinel

Azure

AWS

Description du poste

• Experience in designing, developing and maintaining detection rules, alerts and analytics across SIEM, EDR/XDR and cloud security tools (e.g., Splunk, Microsoft Sentinel, Azure, AWS) ;
• Experience supporting or mentoring less-experienced analysts, providing constructive feedback on investigation quality and reporting standards ;
• Practical experience with automation or SOAR use cases, identifying repetitive manual tasks and creating enrichment or workflow improvements.
• Experience working in a regulated , high control environment such as defence , government , financial services or other enterprise sectors ;
• Hands on experience with cloud native security monitoring ( Azure , AWS) and hybrid environments ;
• Experience with developing detections from network and Edge security devices such as Cisco, Fortinet / Fortigate , Palo Alto , or comparable appliances .

Location

Mons, Belgium

Security Clearance

NATO Secret

Reference No

C005322 / Mons

Deadline For Application

1 5 .0 9 .2026 r.

Skills, Knowledge, Experience Required

• Experience in designing, developing and maintaining detection rules, alerts and analytics across SIEM, EDR/XDR and cloud security tools (e.g., Splunk, Microsoft Sentinel, Azure, AWS) ;
• Experience supporting or mentoring less-experienced analysts, providing constructive feedback on investigation quality and reporting standards ;
• Practical experience with automation or SOAR use cases, identifying repetitive manual tasks and creating enrichment or workflow improvements.

Desirable

• Experience working in a regulated , high control environment such as defence , government , financial services or other enterprise sectors ;
• Hands on experience with cloud native security monitoring ( Azure , AWS) and hybrid environments ;
• Experience with developing detections from network and Edge security devices such as Cisco, Fortinet / Fortigate , Palo Alto , or comparable appliances .

Duties/role

Reviewing and validating investigations, supporting First-Line Analysts to ensure that alert closures, escalations, supporting evidence, and investigation notes meet CSOC quality standards, while confirming completeness, accuracy, and procedural compliance;

Acting as the technical escalation point for cyber security monitoring;

Performing in-depth log analysis and threat triage using SIEM and SOAR platforms, including Splunk Enterprise Security, Splunk SOAR, Microsoft Sentinel, and supporting security tools and data sources.

Additional information

VECTOR SYNERGY sp. z o.o., ul. Marcelińska 90, 60-324 Poznań, NIP PL7811857270, REGON 301575740, KRS: 0000369575 Rejestr Przedsiębiorców KRS prowadzony przez Sąd Rejonowy Poznań – Nowe Miasto i Wilda w Poznaniu, VIII Wydział Gospodarczy KRS, kapitał zakładowy wynosi: 73.852,80 złotych wpłacony w całości, TEL [phone], FAX [phone], www.vectorsynergy.com , [e-mail]