Tata Consultancy Services

Technical & Bus Analyst - Data & Applications

Tata Consultancy Services$64K — $125K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years experience with SIEM platforms, preferably Splunk.
  • Advanced knowledge of log normalization schemas such as CIM or ECS.
  • Strong grasp of JSON logging and Cloud logging architectures (AWS/GCP/Azure).
  • Familiarity with application security telemetry, OSQuery, EDR, DNS, and WAF logs.
  • Experience with MITRE ATT&CK framework, SIGMA rules, and NIST 800-53.

Responsibilities

  • Coordinate with Application Owners, Product Teams, DevOps, and Engineering.
  • Validate and define log types and schemas, ensuring they meet security standards.
  • Evaluate logs for completeness and compliance with industry standards.
  • Map log sources to common information models such as Splunk's CIM.
  • Develop field extraction rules and correlation logic for various log sources.
  • Identify detection opportunities and document them thoroughly.
  • Operationalize detections into Security Operations Runbooks with clear triage steps.

Benefits

  • Flexible working arrangements supporting work-life balance.
  • Opportunities for continuous learning and professional development.
  • Collaborative work environment with cross-functional teams.
  • Access to cutting-edge security technologies.
  • Support for cybersecurity certifications and training.
Full Job Description
Must Have Technical/Functional Skills

Technical Expertise
• 5+ years working with SIEM platforms (Splunk preferred).
• Advanced experience with CIM, ECS, or equivalent log normalization schemas.
• Strong understanding of:

o JSON logging

o Syslog/NXLog

o Cloud logging architectures (AWS/GCP/Azure)

o Application security telemetry

o OSQuery / EDR / DNS / WAF logs
• Proven ability to write:

o Source type definitions

o Field extraction rules

o Correlation logic

o Detection playbooks

Cybersecurity Knowledge & Competency
• Familiarity with MITRE ATT&CK, SIGMA rules, NIST 800-53 frameworks.
• Experience supporting SOC, IR, SIEM, Detection Engineering, or Threat Ops teams.
• Understanding modern attack techniques, identity abuse patterns, and cloud threats.

Roles & Responsibilities
• Engage and coordinate with Application Owners, Product Teams, DevOps, and Engineering.
• Validate log types, formats, schemas, and logging methods (syslog, API, CloudTrail, JSON, custom formats).
• Define onboarding requirements including event types, fields, timestamps, user identity, error codes,
• and security-critical attributes.
• Evaluate logs for completeness, reliability, and compliance with industry standard schemas.
• Map log sources to Splunks Common Information Model (CIM) or equivalent normalization frameworks.
• Log parsing, field extraction, enrichment, and timestamp normalization.
• Development of CIM-compliant extractions for all new log sources.
• Documentation of field dictionaries, mappings, and SIEM source type definitions.
• Validation of proper taxonomy alignment across categories such as:

o Authentication

o Authorization

o Application activity

o Network activity

o Security events

o Error/failure conditions

o Administrative and privileged actions
• Mapping application behaviors to relevant attack techniques (MITRE ATT&CK).
• Identifying and documenting detection opportunities.
• Authoring and implementing:

o Correlation searches

o Behavioral detections

o Anomaly models

o High-fidelity alert logic
• Ensuring each detection has:

o Defined data dependencies

o Operational owner

o Severity/priority rating

o Triage response play
• Operationalizing detections into Security Operations Runbooks, including:

o Preconditions
• Indicators & patterns

o Triage steps

o Containment actions

o Escalation paths

o Evidence checklist

Salary Range: $64,000 - $125000 a year

#LI-CM2

About Tata Consultancy Services

Tata Consultancy Services (TCS) is an Indian multinational information technology (IT) services and consulting company, headquartered in Mumbai, Maharashtra, India. It is a subsidiary of Tata Group and operates in 149 locations across 46 countries. TCS is the largest Indian company by market capitalization and is ranked 11th on the Forbes Global 2000 list of the world's biggest public companies. TCS is also the second-largest IT services company in the world by revenue and the largest employer of women in India. The company provides services in areas including IT, consulting, and business solutions.
Learn more about Tata Consultancy Services
Size
469,261 employees
Industry

Similar Jobs

More Jobs at Tata Consultancy Services

More Information Technology Jobs

Find similar Technical & Bus Analyst - Data & Applications jobs: