Network Engineer L2 – Operations - RnS

Role Summary

Handle escalated incidents, advanced diagnosis, production change execution, problem management and RCA. Not every engineer covers every technology; the pool as a whole must cover WAN, LAN/WLAN, DC/Core, DDI and Security/SASE across all operating hours.

Scope and Ownership

Owns

• L2 incident diagnosis and restoration

• Production change execution

• Problem management and RCA

• OEM/carrier escalation

• Major Incident technical support

• Runbook development and operational automation

Hands off

• Design and standards changes → SCP / DCP / CAP

• New builds → Deployment / Lifecycle

• First-line triage stays with NOC

Key Responsibilities

• Diagnose and restore escalated incidents across WAN, LAN/WLAN, DC and DDI.

• Execute approved production changes under CAB, with rollback.

• Run problem management and RCA, driving permanent fixes with platform teams.

• Escalate to OEMs and carriers and manage them to resolution.

• Provide technical leadership on Major Incident bridges.

• Troubleshoot Security/SASE connectivity where assigned to the specialist track.

• Write and maintain runbooks and transfer knowledge to NOC.

• Identify noisy alerts and improve monitoring with platform teams.

• Build operational automation (scripts, playbooks, API tooling).

• Coach NOC analysts on escalation quality.

Required Skills

Technical

Primary Skills

• Routing and switching troubleshooting

• Versa SD-WAN

• Cisco LAN/WLAN

• Nexus / ACI

• DNS/DHCP/IPAM (Infoblox)

• DNAC

• DNS/DHCP/IPAM (Infoblox)

• Monitoring/observability

• Python, Ansible, APIs (strongly preferred)

• Depth varies by track; one primary track per engineer

Soft skills

• Structured RCA

• Vendor management

• Clear bridge communication

• Mentoring

Preferred Skills / Certifications

• CCNP Enterprise

• CCNP Data Center or Security for specialists

• Versa for WAN resources; Infoblox for DDI resources

• ITIL Foundation

Experience and Education

• Approximately 5+ years in enterprise network operations, including escalation/L2 experience.

• Degree or equivalent (assumed).

Tools and Technologies

• ServiceNow

• Monitoring/observability platforms

• Datadog and Opmanager

• Catalyst Center

• Versa tools

• ThousandEyes

• Netskope / Check Point consoles (specialists)

• Git, Ansible, Python

Work Model

• 24x7 rotating coverage with on-call (assumed).

• Rosters must show each skill track covered across all operating hours.

KPIs / SLAs

• MTTR by priority

• First-time fix rate

• Change success rate

• RCA completion and recurring-incident reduction

• Runbooks delivered

• OEM/carrier escalation turnaround

• Skill coverage per shift

• (Targets to be agreed with Cargill)

Escalation Path and Interfaces

• Receives escalations from NOC.

• Escalates design-level issues to SCP / DCP / CAP and OEM/carrier issues to vendors.

• Receives as-builts and runbooks from Deployment; supplies RCA input to platform teams.

Common Expectations (all roles)

• Operate within Cargill ServiceNow processes, Network CAB / Change Management, and Incident, Major Incident and Problem Management.

• Comply with Cargill security and privileged-access controls, documentation and knowledge-management standards, and use Cargill-approved code/configuration repositories.

• Work as a staff-augmentation resource embedded in a Cargill-led team.

• Build increasing competency in Python, Ansible, APIs, infrastructure/configuration automation, Git version control and automated validation, supporting Cargill's move toward automated and autonomous network operations.

Proposed skill mix across the 24-engineer pool (illustrative; Cognizant to finalise)

Track

Primary skills

WAN / Versa SD-WAN

Versa, BGP/OSPF, carrier troubleshooting

LAN / Cisco switching

Catalyst, STP, VLAN, routing

WLAN

WLC/AP, RF, 802.1X/ISE

DC / Core

Nexus, ACI

DDI

Infoblox DNS/DHCP/IPAM

Network Security / SASE

Netskope, Check Point, Versa security

Monitoring & observability

Alert tuning, dashboards, ThousandEyes

Automation

Python, Ansible, APIs, Git

Each engineer holds one primary track and ideally a secondary one to keep shifts covered during absences. Automation and monitoring skills may also be held as secondary skills within other tracks.

Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

Applicants for US based positions must be currently authorized to work for any employer in the United States. The company is unable to provide employment-based immigration sponsorship for US based positions.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.

About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.