Senior - Network Engineer

HCA Healthcare, Inc.; India; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

HCA Healthcare, Inc. invites a Senior Network Engineer to join our Network Services team. You will design, implement, and support nationwide WAN/LAN solutions in a Fortune 100 environment with cross-functional collaboration across IT and business units.

You will lead complex projects, mentor engineers, and ensure fault-tolerant operations with advanced routing, security, and monitoring practices. Strong communication and problem-solving skills are required.

Qualifications

• Senior-level enterprise data networking expertise across large LAN/WAN environments.
• Strong OSI model understanding with L1/L2 technologies and switching concepts.
• Advanced L3 routing knowledge (OSPF/BGP, VRFs, QoS).
• IP addressing and subnetting standards; capacity planning and modeling.
• Experience with MPLS, VPLS, Metro-E and private-line WANs.
• Knowledge of firewalls, VPNs, ACLs, and enterprise security design.
• Remote-access and enterprise load-balancing tech (F5 BigIP).
• Ability to lead technical efforts and communicate to leadership.

Responsibilities

• Design, deploy, and maintain nationwide WAN/LAN solutions.
• Provide Level III troubleshooting, protocol analysis, and tracing.
• Analyze traffic patterns, perform capacity planning and modeling.
• Configure routing protocols, QoS, IP multicast, and security features.
• Support L1/L2 technologies, IP addressing, and WAN services.
• Lead incidents, escalations, and MIRT events when required.
• Develop and maintain network standards, diagrams, and docs.
• Collaborate with vendors and IT teams on integration and testing.

Skills

Enterprise network architecture

WAN/LAN design

OSPF/BGP knowledge

IP addressing/VLSM

Troubleshooting/protocol analysis

Network security concepts

VPN technologies

Load-balancing (F5 BigIP)

Vendor and stakeholder communication

Technical leadership

Education

Bachelor's degree in IT or related field

Tools

Splunk

SolarWinds

Wireshark

NetFlow

Job description

Matrix reports to (Title):

Director / as applicable based on team alignment

Direct Reports:

Department:

Network Services

Position Summary

The Senior Network Engineer provides advanced enterprise data networking design, engineering, consulting, and support in a Fortune 100 environment with national reach. The role serves as a senior technical resource across enterprise network technologies and services, delivering solutions that meet HCA network requirements, business objectives, service-level expectations, and operational standards.

The position works across Network Services, business partners, vendors, IT personnel, customer-support functions, and end users. Responsibilities include complex WAN/LAN design and support, advanced troubleshooting, capacity planning, technology integration, standards development, and technical leadership for projects and operational efforts. Depending on team assignment, the role may also provide top-tier break/fix support, critical escalation response, and Major Incident Response Team (MIRT) engagement.

Successful candidates demonstrate deep technical expertise, strong communication and problem-solving skills, customer focus, initiative, sound judgment, and the ability to lead technical work while collaborating effectively with peers and stakeholders.

Responsibilities

• Enterprise Network Architecture & Advanced Support
• Design, deploy, and maintain complex nationwide enterprise WAN/LAN solutions using best-practice switching/routing technologies and topologies.
• Provide engineering consultation for Level III network troubleshooting/problem resolution, protocol analysis, and network trace/capture/analysis.
• Analyze end-to-end data flows and traffic patterns and perform network impact analysis, modeling, and capacity planning.
• Configure and support advanced routing technologies and protocols, including OSPF/BGP, IP advertising/filtering/redistribution, Quality of Service, and IP multicast.
• Support Layer 1 and Layer 2 technologies, IP addressing and variable-length subnet masking, enterprise WAN services, and related routing/switching infrastructure.
• Provision, configure, and troubleshoot WAN technologies such as MPLS, VPLS, Metro-E, and other supported private-line or routed services.
• Design, implement, and support network security and remote-access technologies, including firewalls, VPN technologies, and related enterprise security platforms.
• Design, configure, and support enterprise load-balancing solutions such as F5 BigIP and comparable platforms.
• Perform software/hardware device upgrades and LAN equipment configuration/provisioning.
• Use network monitoring, logging, packet-analysis, flow-analysis, and terminal tools to maintain operational visibility and troubleshoot complex network issues.
• Service Delivery & Incident Response
• Provide advanced enterprise network support and respond to complex operational issues, customer escalations, and service-impacting events.
• For teams with incident responsibilities, provide top-tier break/fix support, engage in critical escalations and MIRT events, and maintain timely, accurate ticket status.
• Support service-level commitments through disciplined troubleshooting, documentation, communication, and follow-through.
• Standards, Technology Integration & Technical Leadership
• Create, maintain, and follow network standards, best practices, policies/procedures, technical documentation, and enterprise-level network diagrams.
• Support certification, Proof of Concept, and/or integration testing for network products and technologies.
• Work with vendors and internal technical teams on product design enhancements, implementations, troubleshooting, and integration of new technologies.
• Apply project-management and problem-management practices and meet applicable change-management and project-delivery requirements; apply ITIL knowledge where required.
• Act as a technical lead for projects and operational efforts, ensuring work is completed accurately and on time and providing technical guidance to other engineers as needed.
• Communicate technical findings, recommendations, designs, and proposals clearly to technical and leadership audiences.

Bachelor's/college degree in an IT-related field preferred; equivalent relevant network engineering experience may be considered.

Must Have Skills

• Core qualifications reflect the common senior-level requirements across the Senior Network Engineer roles.
• Advanced enterprise data networking expertise, including design and support of largescale LAN/WAN environments.
• In-depth understanding of the OSI model and strong knowledge of Layer 1 and Layer 2 technologies, including fiber/copper, trunking, VLANs, spanning tree, and related switching concepts.
• Advanced Layer 3 routing knowledge, including OSPF, BGP, VRFs, route filtering/redistribution, QoS, ACLs, IP multicast, and related enterprise routing concepts.
• IP addressing, variable-length subnet masking, and IP management standards.
• Strong troubleshooting/problem-determination skills, including protocol analysis, network trace/capture analysis, and understanding of end-to-end data flows and traffic patterns.
• Network impact analysis, modeling, and capacity-planning capabilities.
• Enterprise WAN technologies and services such as MPLS, VPLS, Metro-E, private-line services, and related routed WAN connectivity.
• Network security technologies and concepts, including firewalls, ACLs, route maps, routing-protocol authentication, and enterprise security design.
• Remote-access/VPN technologies and enterprise load-balancing technologies.
• Enterprise network services including AAA, DHCP, DNS, ICMP, SNMP, NTP, and related infrastructure services.
• Experience with network monitoring, logging, packet-analysis, and management tools.
• Ability to create and maintain network standards, procedures, diagrams, and technical documentation and to operate within enterprise change-management and project-delivery processes.
• Technical leadership skills, including the ability to lead complex technical efforts and communicate effectively with peers, stakeholders, and leadership.

Nice to Have Skills

• In-depth experience with Software Defined Networking and data center technologies such as Cisco ACI, Nexus, or comparable platforms.
• Experience with network monitoring platforms and tools such as Splunk, SolarWinds, Wireshark, CiscoWorks, Voyence, IP-SLA, NetFlow, or comparable tools.
• Experience supporting large-scale Fortune 100 network design, deployment, and support environments.
• Voice over IP and/or Video over IP knowledge.
• RFP and budgeting experience for network initiatives or projects.
• Experience training, mentoring, or presenting technical material to engineering and leadership audiences.
• Cisco CCNP or equivalent experience
• Additional Cisco, security, wireless, data center, or other advanced networking certifications are beneficial based on team scope.
• Excellent written and oral communication skills, including the ability to prepare and present technical recommendations, designs, proposals, and findings.
• Collaborative, customer-focused approach and ability to work effectively in a close team environment.
• Ability to function autonomously when needed, exercise sound judgment, and lead technical work through complex issues.
• High degree of initiative, self-motivation, responsiveness, responsibility, reliability, and follow-through.
• Strong problem-management and project-support skills with attention to service levels, technical standards, documentation, and delivery commitments.
• Leadership qualities and the ability to provide technical guidance to peers and less experienced engineers.

Working Conditions & Possible Physical Demands

• After-hours and/or weekend work may be required occasionally.
• On-call participation may be required based on team assignment.
• Possible prolonged sitting at a workstation.
• May be required to lift network components to build, rack, and configure devices.
• Professional conduct is required at work locations and customer sites.