Network Engineer L2

Persistent Systems Limited; Pune District; Hybrid; INR 2,800,000 - 4,000,000; Full time

Benefits offered by this job

Flexible work hours

Learning & certifications sponsorship

Long Service awards

Insurance coverage

Job summary

Persistent Systems Limited seeks a Senior Network Engineer to lead SD-WAN and FortiGate deployments, migrations, and ongoing support for enterprise WAN environments. The role emphasizes validation, planning, and migration execution with strong Fortinet expertise and incident management.

You will collaborate with cross-functional teams, support pre/post deployment testing, monitor health metrics, and ensure SLA adherence in a hybrid work setup. 8–12 years of experience is preferred.

Qualifications

• 8 to 12 years of experience in Network Engineering, Network Operations, or Infrastructure Support.
• Experience with enterprise WAN and SD-WAN environments.
• Hands-on experience with FortiGate firewalls and Fortinet networking solutions.
• Strong understanding of SD-WAN deployment, migration, and support activities.
• Experience with Route Redistribution and enterprise routing architectures.
• Hands-on experience configuring and troubleshooting IPsec VPN solutions.
• Strong knowledge of TCP/IP, VLANs, Routing, Switching, MPLS, DNS, and DHCP.
• Experience working with firewall technologies and network security concepts.
• Familiarity with FortiManager and FortiAnalyzer platforms.

Responsibilities

• Validate network device inventory and deployment readiness.
• Collect, review, and maintain WAN circuit inventory information.
• Support network documentation and implementation planning activities.
• Analyze network configurations and deployment requirements.
• Assist in SD-WAN and FortiGate configuration deployment activities.
• Perform pre-deployment and post-deployment validation testing.
• Conduct network health checks and performance assessments.
• Configure and support network monitoring tools and alerts.
• Validate connectivity across branch, data center, and cloud environments.
• Support migration windows and planned implementation activities.
• Execute migration runbooks and operational procedures.
• Capture migration evidence and maintain implementation records.
• Support rollback and contingency activities during migration events.
• Update migration trackers, status reports, and deployment documentation.
• Perform incident triage and initial fault isolation.
• Troubleshoot routing, switching, VPN, firewall, and connectivity issues.
• Manage incidents, service requests, and change tickets.
• Provide operational reports and implementation status updates.
• Coordinate escalations with L3 teams, vendors, and stakeholders.
• Create build records, implementation documents, and deployment reports.
• Document validation results, testing outcomes, and migration evidence.
• Maintain as-built documentation and operational procedures.
• Support knowledge transfer activities and operational handovers.
• Participate in hypercare support following migration activities.
• Ensure adherence to operational processes, standards, and SLAs.

Skills

SD-WAN

FortiGate

Fortinet

IPsec VPN

TCP/IP

Routing

MPLS

Firewall

Troubleshooting

Incident management

Tools

FortiManager

FortiAnalyzer

ServiceNow

SolarWinds

Job description

We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.

We are seeking an experienced Senior Network Engineer - SD-WAN & FortiGate to support large-scale SD-WAN transformation and migration programs. The ideal candidate will play a key role in network implementation, migration execution, operational support, configuration validation, troubleshooting, monitoring, and hypercare activities. This role requires strong expertise in WAN technologies, Fortinet solutions, routing protocols, VPN technologies, and enterprise network operations to ensure successful deployment and ongoing support of critical network infrastructure.

• Experience: 8 to 12 Years
• Job Type: Full-Time Employment

What You'll Do:

• Validate network device inventory and deployment readiness.
• Collect, review, and maintain WAN circuit inventory information.
• Support network documentation and implementation planning activities.
• Analyze network configurations and deployment requirements.
• Assist in SD-WAN and FortiGate configuration deployment activities.
• Perform pre-deployment and post-deployment validation testing.
• Conduct network health checks and performance assessments.
• Configure and support network monitoring tools and alerts.
• Validate connectivity across branch, data center, and cloud environments.
• Support migration windows and planned implementation activities.
• Execute migration runbooks and operational procedures.
• Capture migration evidence and maintain implementation records.
• Support rollback and contingency activities during migration events.
• Update migration trackers, status reports, and deployment documentation.
• Perform incident triage and initial fault isolation.
• Troubleshoot routing, switching, VPN, firewall, and connectivity issues.
• Manage incidents, service requests, and change tickets.
• Provide operational reports and implementation status updates.
• Coordinate escalations with L3 teams, vendors, and stakeholders.
• Create build records, implementation documents, and deployment reports.
• Document validation results, testing outcomes, and migration evidence.
• Maintain as-built documentation and operational procedures.
• Support knowledge transfer activities and operational handovers.
• Participate in hypercare support following migration activities.
• Ensure adherence to operational processes, standards, and SLAs.

Expertise You'll Bring:

• 8 to 12 years of experience in Network Engineering, Network Operations, or Infrastructure Support.
• Strong experience supporting enterprise WAN and SD-WAN environments.
• Hands‑on experience with FortiGate firewalls and Fortinet networking solutions.
• Strong understanding of SD‑WAN deployment, migration, and support activities.
• Experience with Route Redistribution and enterprise routing architectures.
• Hands‑on experience configuring and troubleshooting IPsec VPN solutions.
• Strong knowledge of TCP/IP, VLANs, Routing, Switching, MPLS, DNS, and DHCP.
• Experience working with firewall technologies and network security concepts.
• Familiarity with FortiManager and FortiAnalyzer platforms.
• Strong troubleshooting and root cause analysis skills.
• Experience supporting migration execution, rollback activities, and hypercare support.
• Ability to analyze and validate network configurations and deployment plans.
• Experience with network monitoring, alerting, and incident management.
• Familiarity with monitoring tools such as ServiceNow, SolarWinds, or similar platforms.
• Strong incident triage and escalation management capabilities.
• Experience creating technical documentation, build records, and test evidence.
• Excellent communication and stakeholder management skills.
• Ability to collaborate effectively with cross‑functional teams.
• Strong analytical and problem‑solving abilities.
• Ability to manage multiple priorities in fast‑paced project environments.
• Competitive salary and benefits package
• Culture focused on talent development with quarterly growth opportunities and company‑sponsored higher education and certifications
• Opportunity to work with cutting‑edge technologies
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents

Values-Driven, People-Centric & Inclusive Work Environment:

Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.

• We support hybrid work and flexible hours to fit diverse lifestyles.
• Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
• If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment

Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.