Tata Consultancy Services

IT Security Operations & Engineering Specialist

Tata Consultancy Services$100K — $120K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in cybersecurity roles
  • Strong expertise in Microsoft Defender technologies and Sentinel
  • Proficient in Zero Trust Architecture and Network Microsegmentation
  • Hands-on experience with firewalls such as Palo Alto and Fortinet
  • Familiarity with TCP/IP principles and VPN technologies
  • Ability to create advanced KQL queries for threat investigations
  • Experience in endpoint detection and response (EDR) implementations

Responsibilities

  • Design and manage Microsoft Defender Security suite
  • Automate security processes using Defender API
  • Implement enterprise network microsegmentation strategies
  • Develop segmentation policies for various environments
  • Conduct traffic flow analysis to enhance network security
  • Perform vulnerability assessments and ensure remediations
  • Collaborate with teams to enforce security policies across infrastructures

Benefits

  • Opportunities for professional development
  • Access to the latest cybersecurity tools and technologies
  • Collaborative work environment with cross-functional teams
  • Engagement in innovative security initiatives
  • Flexibility in work arrangements
  • Comprehensive support for career growth and continuous learning
Full Job Description
Must Have Technical/Functional Skills

A cybersecurity professional with strong expertise in Microsoft Defender technologies, Microsoft Sentinel, Security Operations, Threat Hunting, Incident Response, Zero Trust Architecture, and Network Micro segmentation, capable of driving both operational security excellence and strategic security engineering initiatives across enterprise environments.

1) Microsoft Purview

2) Microsoft defender

3) Network Security: Quadicore

Network Security
• Network Segmentation & Microsegmentation
• Firewalls (Palo Alto, Check Point, Fortinet, Cisco)
• IPS/IDS Technologies
• NAC Solutions
• TCP/IP, Routing & Switching
• VPN Technologies
• Zero Trust Architecture (Quadicore)

Roles & Responsibilities

Microsoft Defender Security Engineering and MS Purview
• Design, implement, and manage the Microsoft Defender Security suite
• Configure and optimize attack surface reduction rules.
• Implement endpoint detection and response (EDR) capabilities.
• Create advanced KQL queries for threat hunting and investigations.
• Automate security workflows using Defender API
• Drive security posture improvement through Secure Score recommendations.

Network Security & Micro segmentation
• Design and implement enterprise network micro segmentation strategies.
• Support Zero Trust architecture and least-privilege access models.
• Develop segmentation policies for:

ü Data centers

ü Cloud environments

ü Critical business applications

ü User endpoints
• Define security zones and control east-west traffic.
• Conduct traffic flow analysis and dependency mapping.
• Reduce lateral movement risks through segmentation controls.
• Collaborate with network and infrastructure teams to enforce segmentation policies.

Security Engineering & Infrastructure Security
• Harden Windows and Linux servers.
• Implement security baselines and configuration standards..
• Conduct vulnerability assessments and remediation tracking.
• Manage firewall, IDS/IPS, proxy, and NAC security integrations.
• Perform security reviews for new projects and infrastructure deployments.

Generic Managerial Skills, If any
• Strong analytical and troubleshooting skills.
• Excellent stakeholder management.
• Ability to handle critical security incidents under pressure.
• Risk-based decision-making.
• Strong communication and documentation skills.
• Continuous learning mindset regarding emerging cyber threats and technologies.

Salary Range: $100,000-$120,000 a year

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.
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