Tata Consultancy Services

Network Security L3 SME

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

Qualifications

  • 5-7 years of experience in network administration and troubleshooting.
  • Strong understanding of TCP/IP, MPLS, and switching protocols.
  • Hands-on experience with Palo Alto Firewalls and Juniper switches.
  • Proficient with Cisco Wireless Controllers.
  • Excellent analytical, organizational, and communication skills in English.
  • Ability to work flexible shifts for 24x7 support.
  • Proven experience managing technical teams and complex network environments.

Responsibilities

  • Resolve high-severity network incidents escalated from lower-level teams.
  • Conduct root cause analyses and implement permanent solutions to network issues.
  • Review and improve network architecture according to standards.
  • Manage datacenter and cloud (Azure, AWS) networking solutions.
  • Guide the team in handling LAN, Wi-Fi, and SD-WAN complexities.
  • Collaborate with stakeholders for effective network performance.
  • Ensure compliance with network security regulations and standards.

Benefits

  • Discretionary annual incentive.
  • Comprehensive medical coverage including dental, vision, and disability insurance.
  • Family support through parental leaves.
  • Convenience benefits like commuter support and training reimbursements.
  • Generous time off policies including vacation and sick leave.
  • Financial assistance options including 401K and student loan refinancing.
Full Job Description
Must Have Technical/Functional Skills

Excellent network administration and troubleshooting skills.

2. Good Understanding and troubleshooting skills of TCP/IP, Switching &Routing protocols, MPLS, Load balancing

3. Knowledge and experience in STP, VTP, HSRP, VLAN, QoS and other switching technologies

4. Good Knowledge & Hands on experience on Palo Alto Firewalls and Juniper switches

5. Good Knowledge and experience on Cisco Wireless Controllers

6. Ability to understand the design and provide suggestions for improvements

7. Excellent analytical and organizational skills and the ability to work with multiple geographically dispersed teams

8. Excellent listening skills & ability to communicate clearly and fluently in English

9. Flexibility to work in shifts for 24x7 support

10. Strong team player with a constructive perspective and commitment to the success of the business

11. Ability to work on multiple concurrent tasks with conflicting priorities

12. Product knowledge:

o Routing Protocols, especially MPLS, BGP, EIGRP

o Cisco Routers -- 7200, 3800, 3600, 2800, 2900, 881

o Firewalls -- Cisco ASA5550, Checkpoint, Palo Alto

o Security -- IDS, IPS

o Load Balancers F5

o Switches -- Nexus 9K/7K/5K/2K, Cisco 9300/6500/4500/3750/2960, Juniper switches

o WLAN Wireless LAN Controllers, WCS, Cisco WLAN Controllers

o PBR, PfR and ASRs

o Zscaler (ZIA)

o SD-WAN

o Cisco ACI using Spine-Leaf

Roles & Responsibilities

Resolve critical network incidents escalated from L1 and L2 teams. Analyze complex routing, switching, wireless, and security issues. Perform root cause analysis (RCA) and implement permanent fixes.

Review network architecture and recommend improvements and align with standards. Support datacenter and cloud networking ( Azure, AWS) manage hybrid connectivity and SD-WAN solutions. Abilities to manage and guide team for all LAN/Wi-Fi/ SDWAN issue.

Generic Managerial Skills, If any

Network Operations Management

Network Security Compliance

Stakeholder Management

Team Leadership

Vendor and Service Provider Management

Salary Range- $100,000-$120,000 Per Annum

TCS Employee Benefits Summary:

Discretionary Annual Incentive.

Comprehensive Medical Coverage: Medical & Health, Dental & Vi sion, Disability Planning & Insurance, Pet Insurance Plans.

Family Support: Maternal & Parental Leaves.

Insurance Options: Auto & Home Insurance, Identity Theft Protection.

Convenience & Professional Growth: Commuter Benefits & Certification & Training Reimbursement.

Time Off: Vacation, Time Off, Sick Leave & Holidays.

Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.

#LI-SV2

#LI-KUMARAN

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
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