Security Engineer (Pentesting, Incident Response & Investigations)

Middle–Senior Portugal Full-time Posted 2 months ago

Skills & stack

Languages

Python

Tools & Infra

Linux

Skills

Incident Response Penetration Testing

About the role

Security Engineer at Talkdesk, middle to senior level, based in Portugal. This is a full-time role in an office environment, with English at C1 level. The work centers on detecting, investigating, and responding to security incidents, with hands-on SIEM and incident response work.

Work format

Portugal. Full-time. English level C1.

Skills and tools

Python
Linux

What to prepare

Prepare a short example of incident response work you handled end to end.
Bring a walkthrough of SIEM detections, tuning, or alert triage work.
Have a Python example that shows scripting for detection or response tasks.

Responsibilities

Lead and support incident response from detection through containment, eradication, and recovery.
Investigate suspicious activity using logs, endpoints, network, and cloud sources.
Write post-mortems, root cause analyses, and incident reports.
Implement and tune SIEM use cases, detection rules, correlation logic, and alerting.
Onboard new log sources and maintain dashboards and reports.
Work with engineering, IT, and security teams to validate fixes and remediate findings.
Improve playbooks, runbooks, and SOC workflows.

Requirements

Hands-on incident response experience, including triage and containment.
Strong investigation skills across SIEM, EDR, network, and cloud logs.
Practical SIEM experience with detection rules and use cases.
Clear documentation for technical and non-technical audiences.
Cross-functional communication with engineering and security teams.
Linux or Unix proficiency and comfort with cloud log sources.
Programming ability with Python.

Nice to have

Detection engineering frameworks such as MITRE ATT&CK.
Compliance frameworks such as ISO 27001, NIST, or SOC2.
Experience with scripting or automation for detection or response tasks.

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Talkdesk

Product

Cloud contact-center software company founded in 2011 by Tiago Paiva and Cristina Fonseca, with major engineering offices in Lisbon and Porto alongside its US headquarters. Talkdesk's AI-powered CX Cl

Location: Lisbon, Portugal
Team size: 1500+
Remote policy: Hybrid

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