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Cybersecurity Specialist – Incident Response & Threat Detection

DXC Technology · Oeiras

Hybrid Senior 🇬🇧 English
SIEM platforms Office 365 Excel

Job description

About the role

We are looking for a Cybersecurity Specialist to lead incident response and threat detection for our clients. The role serves as a senior technical point of reference within the security operations team, guiding analysts and shaping detection content.

Key responsibilities

  • Analyze, triage, and respond to security incidents, including phishing, malware, and SOC escalations, through containment, eradication, and recovery.
  • Develop and maintain incident response playbooks and runbooks, ensuring they remain current and actionable.
  • Create and refine detection use cases, fine‑tune alerts to reduce false positives and broaden coverage.
  • Conduct forensic investigations to determine root cause, scope, and impact of incidents.
  • Lead proactive threat hunting and detailed phishing analysis across client environments.
  • Produce incident reports for technical and client audiences, documenting findings and remediation actions.
  • Review analysts’ work, mentor junior team members, and act as escalation point for complex cases.
  • Utilize XDR and SIEM platforms to investigate, correlate, and mitigate threats.
  • Present technical findings to clients and collaborate with internal and client teams to improve security posture.
  • Support reporting and data analysis using Office 365 tools, especially Excel.

Required profile

  • Minimum 4 years of experience in cybersecurity services, preferably within a SOC or incident response function.
  • Hands‑on experience with XDR and SIEM technologies, including Palo Alto XSIAM, XSOAR and Microsoft Defender.
  • Proven ability to develop playbooks, runbooks, detection use cases, and perform alert tuning.
  • Strong incident response, forensic, threat hunting and phishing analysis capabilities.
  • Experience reviewing analysts’ work and mentoring junior team members.
  • Excellent communication and presentation skills for client‑facing interactions.
  • Relevant certifications are a plus (e.g., CCD, BTL2, BTL1, OSCP, Palo Alto Networks XSIAM Engineer/Analyst, Microsoft SC‑200).

Required skills

  • XDR platforms
  • SIEM platforms
  • Palo Alto XSIAM
  • Palo Alto XSOAR
  • Microsoft Defender
  • Incident response and forensic analysis
  • Threat hunting and phishing analysis
  • Office 365, especially Excel

What we offer

  • Continuous training in cutting‑edge technologies.
  • Participation in large, complex projects with major market players.
  • Access to DXC Learning, including free Udemy and LinkedIn courses and certifications.
  • Hybrid working model (3 days in the office).
  • Health insurance.

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Published 1 month ago

Expires 1 week from now

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DXC Technology

Oeiras