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Zscaler- Security Operation Specialist

NTT

2 - 5 years

Bengaluru

Posted: 17/02/2026

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Job Description

Key Responsibilities:

  • Works as part of a 24/7 team working on rotational shifts.
  • Works as part of Platform and Content Engineering handling tunings, stake holder requests, escalations, reporting, trainings.
  • Administers the organization's security tools to gather security logs from environment.
  • Performs lifecycle management of the supported security tools/technologies, Break-fix, Patching, Live update.
  • Adheres to SOPs and notify stake holders on log flow/log format issues.
  • Documents best practices.
  • Identifies opportunities to make automations which will help the incident response team.
  • Performs security incident handling and response from several vectors including End Point Protection and Enterprise Detection and response tools, attack analysis, malware analysis, network forensics, computer forensics, and a broad range of skills in LAN technologies, Windows and Linux O/Ss, and general security infrastructure.
  • Carries out agreed maintenance tasks.
  • Ensures usage of knowledge articles in incident diagnosis and resolution and assist with updating as and when required.
  • Performs defined tasks to monitor service delivery against service level agreements and maintains records of relevant information.
  • Investigates causes of incidents and seeks resolution.
  • Escalates unresolved incidents and follow up until incident is resolved.
  • Provides service recovery, following resolution of incidents.
  • Documents and closes resolved incidents according to agreed procedures.
  • Investigates and identifies root cause of incidents and assist with the implementation of agreed remedies and preventative measures.
  • Maintains knowledge of specific specialisms, provides detailed advice regarding their application.
  • Ensures efficient and comprehensive resolution of incidents, including ensuring that repairs are carried out by coordinating product requests, working with other team members.
  • Logs all such incidents in a timely manner with the required level of detail with all the necessary.
  • Cooperates with all stakeholders including client IT environments, vendors and carriers to expedite diagnosis of errors and problems and to identify a resolution.


Knowledge and Attributes:

  • Seasoned working knowledge on implementation and monitoring of any SIEM or security tools/technologies.
  • Seasoned knowledge on security architecture, worked across different security technologies.
  • Customer service orientated and pro-active thinking.
  • Problem solver who is highly driven and self-organized.
  • Great attention to detail.
  • Good analytical and logical thinking.
  • Excellent spoken and written communication skills.
  • Team player with the ability to work well with others and in group with colleagues and stakeholders.


Academic Qualifications and Certifications:

  • Bachelor's degree or equivalent in Information Technology or related field.
  • Relevant level of Networking certifications such as CCNA, JNCIA, ACCA, PCNSA, CCSA etc. preferred.
  • Relevant level of Security certifications such as AZ-500, SC-200, Security+, CEH, CISSP, CISM etc. will be added advantage.


Required experience:

  • Seasoned experience in Security technologies like (Firewall, IPS, IDS, Proxy etc.).
  • Seasoned experience in technical support to clients.
  • Seasoned experience in diagnosis and troubleshooting.
  • Seasoned experience providing remote support in Security Technologies.
  • Seasoned experience in SOC/CSIRT Operations.
  • Seasoned experience in handling security incidents end to end.
  • Knowledge on networking, Linux and security concepts.
  • Seasoned experience in configuring/managing security controls such as Firewall, IDS/IPS, EDR, NDR, UTM, Proxy, SOAR, HoneyPots and other security tools.
  • Knowledge on log collection mechanism such as Syslog, Log file, DB API.
  • Knowledge in security architecture.

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