Information Security Analyst Remote - LATAM

Atmosera empowers businesses to redefine what's possible with modern technology and human expertise. Our exceptional experience across Applications, Data & AI, DevOps, Security, and the Microsoft Azure platform enables organizations to accelerate innovation, enhance security, and optimize operational agility. As a Microsoft Partner with seven specializations, GitHub AI Partner of the Year, a member of the GitHub Advisory Board, and a member of the prestigious Microsoft Intelligent Security Association (MISA), Atmosera expertly delivers cutting-edge, integrated solutions that deliver business value.

As a Security Analyst, you will join a team of cybersecurity professionals delivering proactive Managed Security and Managed Governance services. In this role, you'll help safeguard our clients' environments by identifying vulnerabilities, deploying effective protective measures, and working collaboratively to mitigate risks while ensuring compliance with industry standards and regulations. The ideal candidate is highly analytical, possesses hands-on experience with Microsoft security solutions, and is passionate about staying ahead of emerging cyber threats.

Key Responsibilities

Security Monitoring and Alert Triage

Monitor security alerts and incidents in Microsoft Sentinel, Defender XDR, and Defender for Cloud

Triage incoming alerts to determine severity, impact, and required response actions

Differentiate between false positives, benign activity, and actionable threats using established playbooks

Perform continuous monitoring of cloud, identity, endpoint, and network telemetry

Incident Investigation and Response

Investigate suspicious activity across Azure, Entra ID, Microsoft Defender XDR, and integrated data sources

Correlate logs, events, and indicators to establish timelines and determine root cause

Escalate confirmed or high-risk incidents to senior analysts or incident response teams

Execute or recommend containment actions in accordance with defined procedures

Log Analysis and Detection Support

Utilize Kusto Query Language (KQL) and Log Analytics to analyze security data

Correlate events across identity, endpoint, network, and cloud workloads

Identify trends, anomalies, and patterns indicative of malicious activity

Provide input into detection tuning and rule optimization efforts

Documentation and Reporting

Create and maintain detailed, audit-defensible investigation notes and case records

Document all triage decisions, escalation rationale, and response actions

Produce incident summaries and reporting for internal stakeholders and clients

Participate in shift handoffs and maintain continuity of ongoing investigations

Threat Intelligence and Continuous Improvement

Stay informed on emerging threats,