Senior Network Engineer

Job Role:

Senior Network Engineer

Location:

Chennai

Experience:

6+ years

We are seeking a highly skilled Senior Network Engineer to support Business-As-Usual (BAU) operations across our global enterprise network. This role requires strong operational expertise in Cisco networking technologies especially Cisco ISE, Cisco DNA Center, LAN Switching and Meraki—along with the ability to troubleshoot complex LAN/WAN issues, maintain network stability, and support ongoing enhancements
.The ideal candidate is hands-on, proactive in identifying issues, and capable of driving operational excellence in a fast-paced environment
.Key Responsibilitie
sBAU Operations & Suppor
tManage daily network operations, incident resolution, and service requests across LAN, WAN, and wireless infrastructure
.Perform advanced troubleshooting for network outages, performance degradation, and configuration errors
.Monitor network health using Cisco DNAC, Meraki Dashboard, and other monitoring tools
.Ensure timely resolution of P1/P2 incidents and provide root cause analysis (RCA) and preventive measures
.Cisco ISE Administration (Mandatory
)Manage Cisco Identity Services Engine (ISE) including
:

Authentication/Authorization policies (802.1X, MAB
)Profiling, guest access, Live logs anlysis and Tshoo
tCertificate management and policy update
sPerform ISE upgrades, patching, and config backup/restore
.Troubleshoot endpoint authentication failures and radius/tacacs issues
.Cisco DNA Center (Mandatory
)Operate and maintain Cisco DNAC for
:

Network Assurance & Client Health monitorin
gSoftware Image Management (SWIM
)Inventory and topology visibilit
ySupport DNAC-based automation and configuration templates
.Meraki Network Operations (Mandatory
)Administer Meraki MX, MS, and MR devices
.Review and optimize Meraki AutoVPN, traffic shaping, SD-Internet policies
.Maintain Meraki wireless networks, SSIDs, and guest access policies
.Perform dashboard analytics review and reporting
.LAN/WAN Operations (Mandatory
)Configure and troubleshoot
:

Switching (VLANs, STP, Trunking, Ether Channel, RSTP
)DNA
CCoordinate with ISPs for circuit issues and escalations
.Ensure high network availability and performance
.Handoson on Cisco Switching and Wilress controlle

r
Required Skills & Experien
ceMust-Ha
ve6–10+ years of hands-on enterprise networking experienc
e.Strong expertise in Cisco ISE, Cisco DNAC, Cisco Meraki, LAN/WAN technologie
s.Proficiency with routing/switching protocols and troubleshooting methodologie
s.Experience in enterprise-scale BAU support with SLA-driven deliver
y.Good-to-Ha
ve Infoblox DDI hands-on knowledg
e.SD-WAN operational experienc
e.Checkpoint or Palo Alto firewall exposur
e.Experience working with SASE/Prisma Acces
s.Certifications (Preferre
d)
CCNP (Highly preferre
d)
Soft Skil
ls Strong analytical and problem-solving abilit
y.Excellent communication and stakeholder management skill
s.Ability to work under pressure and handle escalation
s.Self-driven with a continuous improvement mindse

t.