SEK Security Ecosystem Knowledge

Senior Information Security Analyst – MSS

SEK Security Ecosystem Knowledge

full-time

Posted on:

Location Type: Remote

Location: Brazil

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Job Level

Senior

Tech Stack

AzureCloudDNSFirewallsITSMLinuxPythonServiceNowSMTPTCP/IP

About the role

  • Monitor security events, perform triage, and respond to critical alerts;
  • Investigate security incidents, including phishing attempts, identity compromise, and movement of sensitive data;
  • Operate and administer the Microsoft 365 Defender suite (Endpoint, Identity, Defender for Office, Cloud Apps and XDR);
  • Manage and maintain DLP policies using Microsoft Purview;
  • Administer Fortinet and Palo Alto firewalls;
  • Manage identity and access with Microsoft Entra ID (MFA, Conditional Access, etc.);
  • Use and maintain security policies in proxy/CASB solutions, with emphasis on Netskope and Defender for Cloud Apps;
  • Record evidence, keep technical documentation up to date, and maintain the knowledge base;
  • Manage tickets in ITSM platforms such as ServiceNow, Freshdesk, Zendesk or similar, including interacting with vendors to resolve issues;
  • Participate in technical meetings with the client, proposing continuous security improvements;
  • Prepare technical reports and document operational evidence;
  • Contribute to the review and enhancement of security policies, controls, and procedures.

Requirements

  • Bachelor's degree in Information Technology, Information Security, or related fields.
  • Proven experience in Information Security, preferably with work in SOCs.
  • Strong knowledge of: Microsoft 365 Defender (all layers: Endpoint, Identity, Defender for Office, Cloud Apps and XDR);
  • Microsoft Purview, with a focus on Data Loss Prevention (DLP);
  • Microsoft Entra ID, including MFA, Conditional Access and identity governance;
  • CASB/proxy solutions, primarily Netskope, and familiarity with Defender for Cloud Apps;
  • Administration of Fortinet and Palo Alto firewalls;
  • Network protocols (TCP/IP, DNS, SMTP, HTTP/S, VPN, etc.);
  • Frameworks such as NIST, ISO 27001, CIS Controls;
  • Security-focused experience in public cloud environments, especially Azure.
  • Intermediate knowledge of: EDR/XDR and SIEMs such as Microsoft Sentinel and IBM QRadar;
  • Basic Linux troubleshooting skills for event analysis;
  • Automation scripting in PowerShell and Python;
  • Vulnerability management and application of Zero Trust in Microsoft environments.
  • Languages: Portuguese: Native; English: Intermediate (technical reading and participation in meetings)
Benefits
  • 100% remote work flexibility

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
Microsoft 365 DefenderMicrosoft PurviewMicrosoft Entra IDNetskopeFortinetPalo Alto firewallsEDRXDRPowerShellPython
Soft skills
communicationproblem-solvingtechnical documentationcollaborationcontinuous improvement
Certifications
Bachelor's degree in Information TechnologyBachelor's degree in Information Security