Senior Network Engineer

Tata Consultancy Services Ltd

  • Saint Louis, MO
  • 5 days ago
  • $100,000–$120,000 Per Year

Highlights

As an IT Network Engineer 3, you will be responsible for: Design, configure, implement, and enhance enterprise LAN, WAN, WLAN, routing, switching, and associated network infrastructure. 5+ years of related experience designing, implementing, supporting, and improving enterprise network infrastructure.

Numbers & Facts

LocationSaint Louis, MO
Salary$100,000–$120,000 Per Year

Description

Role: Senior Engineer

Required Skills: Network Engineer

Experience: 8 - 10 Years

Function: TECHNOLOGY

Apply By: 2026-12-25

Must Have Technical/Functional Skills

  • 5+ years of related experience designing, implementing, supporting, and improving enterprise network infrastructure.
  • Strong knowledge of TCP/IP, IPv4/IPv6, DNS, DHCP, VLANs, STP, NAT, ACLs, and subnetting.
  • Hands-on expertise with enterprise routing and switching, including BGP and OSPF.
  • Experience supporting LAN, WAN, WLAN, and complex production network environments.
  • Working knowledge of firewalls, VPNs, network segmentation, access controls, and network security principles.
  • Strong troubleshooting skills using packet analysis, logs, monitoring platforms, and diagnostic tools.
  • Experience with network monitoring, capacity management, performance management, availability management, and root-cause analysis.
  • Ability to create and maintain network diagrams, implementation plans, standards, procedures, configuration records, and troubleshooting guides.
  • Experience supporting complex infrastructure projects, production changes, and service-impacting incidents.
  • Exposure to network automation or scripting using Python, PowerShell, or Ansible is preferred.
  • Relevant certifications such as Cisco CCNP, Cisco CCNA, or comparable industry certifications are desirable.
  • Strong written and verbal communication skills with the ability to explain risks, dependencies, technical decisions, and implementation status.

Roles & Responsibilities

  • As an IT Network Engineer 3, you will be responsible for:
  • Design, configure, implement, and enhance enterprise LAN, WAN, WLAN, routing, switching, and associated network infrastructure.
  • Translate business and technical requirements into scalable, secure, resilient network solutions.
  • Lead implementation, maintenance, troubleshooting, and continuous improvement of enterprise network services.
  • Diagnose and resolve complex connectivity, availability, performance, and configuration issues.
  • Monitor network health, capacity, availability, and performance and recommend preventive or corrective improvements.
  • Provide advanced support for network incidents and service-impacting events and participate in root-cause analysis.
  • Plan and execute network changes while minimizing operational risk and service disruption.
  • Incorporate security and compliance requirements into network engineering and operational activities.
  • Develop and maintain network diagrams, standards, implementation procedures, operating guides, and technical documentation.
  • Provide network expertise to infrastructure and technology projects and contribute to complex transformation initiatives.
  • Collaborate with architects, cybersecurity, application teams, telecommunications providers, customers, and technology vendors.
  • Act as a subject-matter expert across multiple network technologies and guide junior engineers on complex assignments.

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

#LI-KR3

TCS Employee Benefits Summary:

Discretionary Annual Incentive.

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

Family Support: Maternal & Parental Leaves.

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

Convenience & Professional Growth: Commuter Be nefits & Certification & Training Reimbursement.a

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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