Network Security L3 SME

Must Have Technical/Functional Skills

Excellent network administration and troubleshooting skills.

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

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

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

4. Good Knowledge and experience on Cisco Wireless Controllers

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

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

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

8. Flexibility to work in shifts for 24x7 support

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

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

11. 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.

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Role: Senior Engineer

Desired skills: Cisco Network

Qualifications: BACHELOR OF COMPUTER SCIENCE

• Experience: 8 - 15 Years

• Job function: TECHNOLOGY

• Location: Saint Paul, MN

Salary range: $100,000–$120,000

Apply by: 2026-09-15 00:00:00