Cyber Security Expert

7 days ago

Randburg, Gauteng, South Africa Logicalis Full time

About Us:

Logicalis is a leading international solution provider, delivering digital enablement services to customers worldwide. We harness digital technology and innovative services to drive powerful business outcomes across various industries and regions.

We have 4,000 employees with modernising key digital pillars including data centre and cloud services, security and network infrastructure, workspace communications and collaboration, data and information strategies, and IT operation modernisation.

Our relationships with leading technology companies such as Cisco, HPE, IBM, CA Technologies, NetApp, Microsoft, Oracle, VMware and ServiceNow help us provide our customers with the best solutions.

Job Purpose:

The Security Operations Centre (SOC) provides defence against security breaches and actively isolates and mitigates security risks. The SOC team identifies, analyses, and reacts to cyber security threats using reliable processes and security technologies.

The SOC team includes the SOC Manager, SIEM Platform Manager, Case Manager, SOC Tier 1, 2 and 3 Analysts and Security Specialists. They work with IT operational teams to address security incidents and events quickly.

Responsibilities:

  • Possesses in-depth knowledge of network, endpoint, threat intelligence, forensics and malware reverse analysis, as well as the functioning of specific applications or underlying IT infrastructure.
  • Acts as an incident "hunter," not waiting for escalated incidents.
  • Closely involved in developing, tuning, and implementing threat detection analytics.
  • Acts as the escalation for Tier 1 and 2 SOC Analysts.
  • Responds to and oversees the remediation of a declared security incident.
  • Completes the Root Cause Analysis Report for P1 to P4.
  • Provides guidance to Tier 1 and 2 SOC Analysts.
  • Uses threat intelligence such as updated rules and Indicators of Compromise (IOCs) to pinpoint affected systems and the extent of the attack.
  • Monitors shift-related metrics ensuring applicable reporting is gathered and disseminated to the SOC Manager.
  • Make recommendations to the SOC Manager.
  • Oversees the analysis on running processes and configs on affected systems.
  • Undertakes in-depth threat intelligence analysis to find the perpetrator, the type of attack, and the data or systems impacted.
  • Oversees the containment and recovery.
  • Oversees the deep-dive incident analysis by correlating data from various sources.
  • Validates if a critical system or data set has been impacted.
  • Provides support for analytic methods for detecting threats.
  • Conducts advanced triage based on defined run books of alerts.
  • Undertakes threat intelligence research if need be.
  • Validates false positives, policy violations, intrusion attempts, security threats and potential compromises.
  • Undertakes security incident triage to provide necessary context prior to escalating to relevant Security Specialists to perform deeper analysis when necessary.
  • Further analyses alarms by method e.g. credentials compromised and by asset class.
  • Based on the correlation rules and alarms within the SIEM and run books, further analyses anomaly tactic using the MITRE ATT&CK framework.
  • Analyses event and process metadata in real-time or retrospectively, and identify suspicious files/scripts seen for the first time.
  • Closes tickets in the SIEM platform – this would be automatically created into Service Now.
  • Manages security incidents using the SIEM platform and defined operational procedures.
  • Performs a further investigation of potential incidents, and escalate or close events as applicable.
  • Validates investigation results, ensuring relevant details are passed on to Tier 2 SOC Level 2 for further event analysis.
  • Closes out deeper analysis and review activities.
  • Assist senior SOC staff with operational responsibilities.

Requirements:

  • Strong knowledge and experience working with SIEM Solutions, QRadar, McAfee ESM, Azure Sentinel.
  • Proven experience with Office, Active Directory, Azure and Microsoft Exchange.
  • Strong knowledge and experience working with Linux Operating systems.
  • Good experience working with Nessus or Qualys.
  • Good understanding of the MITRE ATT&CK framework.
  • Good understanding of the ITIL Framework.
  • Brilliant with a support ticketing system and experience in meeting SLA targets.
  • Familiarity with risk management and quality assurance control.
  • Excellent interpersonal skills and professional demeanor.
  • Excellent verbal and written communication skills.
  • Candidate must be eligible to obtain National Security Clearance.

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