Sunil Kumar — DevOps Engineer

WAF | Automation | AI-Powered Infrastructure | Cloud & Security Architect | 15+ Years of Experience Results-driven architect specializing in Web Application Firewalls (WAF), network and security automation, and AI-based infrastructure optimization. I bring deep expertise in deploying intelligent, secure, and scalable systems using a mix of cutting-edge tools and global best practices. My core focus is on helping organizations modernize with automated security, cloud-native platforms, and AI-driven observability. Key Areas of Impact: • WAF Solutions: Extensive hands-on deployment of F5 ASM/APM, Radware AppWall, Palo Alto, Cloud-native WAFs (AWS WAF, Azure Front Door, GCP Cloud Armor) • Automation: Expert in Ansible, Terraform, Python scripting, CI/CD (Jenkins/Git), Infrastructure as Code (IaC), automated security policy enforcement • AI & AIOps: Integrated AI/ML for threat detection, incident correlation, performance monitoring (Datadog, AppDynamics, Splunk, Prometheus) Cloud & Security Leadership: • 7× AWS | 7× Azure | 3× GCP | CKA | PCNSE • Secure multicloud design, hybrid cloud deployments, workload protection, Zero Trust, SASE, cloud-native firewalls, and SaaS security models • Strong experience with Prisma Cloud, Zscaler, Fortinet, NGFW, CASB, SIEM/SOC Multivendor SD-WAN & Edge Solutions: • Designed and deployed SD-WAN for global clients using Cisco Viptela, Fortinet, Silver Peak, Palo Alto Prisma SD-WAN • End-to-end WAN transformation, DIA, traffic steering, ZTP, analytics, and integration with SSE/SASE models Data Center & Fabric Networking: • Expert in Cisco ACI leaf-spine architecture, VXLAN/EVPN, Arista CloudVision CVA/CVP • Deep background in DNS, BGP, MPLS, VRF, IP Core, LTE backhaul, and MPBN with Ericsson SE/SSR Multivendor Stack: Cisco | Juniper | Palo Alto | Fortinet | Arista | HP | IBM | Huawei | Ericsson | Extreme | Alcatel F5 | Radware | Riverbed | AppDynamics | Splunk | Datadog | SolarWinds | Checkpoint | NetFlow | SNMP Global Training & Leadership: • Delivered 100+ enterprise trainings worldwide on Cloud, WAF, SD-WAN, AI in networking, and automation • Former trainer with Koenig Solutions, Network Bulls, Networkers Home Past Roles: WAF & Automation Consultant | Cloud Security Architect | MPBN Engineer @ Ericsson | SD-WAN Architect | Global Trainer | Sr. Network Engineer

Stackforce AI infers this person is a Cybersecurity and Cloud Infrastructure Architect with extensive experience in automation and network security.

Location: Gurgaon, Haryana, India

Experience: 14 yrs 9 mos

Skills

Waf Solutions
Automation
Ai & Aiops
Cloud & Security Leadership
Multivendor Sd-wan & Edge Solutions
Data Center & Fabric Networking
Networking Support
Network Management
Telecommunication Support
Network Operations

Career Highlights

15+ years of experience in cloud and security architecture.
Expert in WAF solutions and network automation.
Delivered over 100 enterprise trainings globally.

Work Experience

McKinsey & Company

Sr Engineer cloud, cybersecurity , security, automation, AI (8 yrs 10 mos)

Amdocs

Network Architect (1 yr 1 mo)

BT E-serve India Pvt. Ltd

Technical Lead (10 mos)

Ericsson India Global Services Pvt Ltd

Sr. Engineer -Customer Support (3 yrs 8 mos)

Vertex India customer Services Pvt. Ltd

Sr Network Analyst (1 yr)

Education

Engineer’s Degree at Kurukshetra University

Sunil Kumar

DevOps Engineer

Gurgaon, Haryana, India14 yrs 9 mos experience

Most Likely To SwitchAI ML Practitioner

Key Highlights

15+ years of experience in cloud and security architecture.
Expert in WAF solutions and network automation.
Delivered over 100 enterprise trainings globally.

Stackforce AI infers this person is a Cybersecurity and Cloud Infrastructure Architect with extensive experience in automation and network security.

Contact

Skills

Core Skills

Waf SolutionsAutomationAi & AiopsCloud & Security LeadershipMultivendor Sd-wan & Edge SolutionsData Center & Fabric NetworkingNetworking SupportNetwork ManagementTelecommunication SupportNetwork Operations

Other Skills

2G3G4GAI-Powered InfrastructureAI/MLAWSAWS WAFAlteonAnsibleApp WallAppDynamicsArista CloudVisionAzureAzure Front DoorBGP

About

Experience

14 yrs 9 mos

Total Experience

3 yrs 1 mo

Average Tenure

8 yrs 10 mos

Current Experience

Mckinsey & company

Sr Engineer cloud, cybersecurity , security, automation, AI

Aug 2017 – Present · 8 yrs 10 mos

WAF | Automation | AI-Powered Infrastructure | Cloud & Security Architect | 15+ Years of Experience
Results-driven architect specializing in Web Application Firewalls (WAF), network and security automation, and AI-based infrastructure optimization. I bring deep expertise in deploying intelligent, secure, and scalable systems using a mix of cutting-edge tools and global best practices. My core focus is on helping organizations modernize with automated security, cloud-native platforms, and AI-driven observability.
Key Areas of Impact:
WAF Solutions: Extensive hands-on deployment of F5 ASM/APM, Radware AppWall, Palo Alto, Cloud-native WAFs (AWS WAF, Azure Front Door, GCP Cloud Armor)
Automation: Expert in Ansible, Terraform, Python scripting, CI/CD (Jenkins/Git), Infrastructure as Code (IaC), automated security policy enforcement
AI & AIOps: Integrated AI/ML for threat detection, incident correlation, performance monitoring (Datadog, AppDynamics, Splunk, Prometheus)
Cloud & Security Leadership:
7× AWS | 7× Azure | 3× GCP | CKA | PCNSE
Secure multicloud design, hybrid cloud deployments, workload protection, Zero Trust, SASE, cloud-native firewalls, and SaaS security models
Strong experience with Prisma Cloud, Zscaler, Fortinet, NGFW, CASB, SIEM/SOC
Multivendor SD-WAN & Edge Solutions:
Designed and deployed SD-WAN for global clients using Cisco Viptela, Fortinet, Silver Peak, Palo Alto Prisma SD-WAN
End-to-end WAN transformation, DIA, traffic steering, ZTP, analytics, and integration with SSE/SASE models
Data Center & Fabric Networking:
Expert in Cisco ACI leaf-spine architecture, VXLAN/EVPN, Arista CloudVision CVA/CVP
Multivendor Stack:
Cisco | Juniper | Palo Alto | Fortinet | Arista | WAF| Ericsson | Extreme | F5 | Cloud
Global Training & Leadership:
Delivered 100+ enterprise trainings worldwide on Cloud, WAF, SD-WAN, AI in networking, and automation
Former trainer with Koenig Solutions, Network Bulls, Networkers Home

WAFAutomationAI-Powered InfrastructureCloud SecurityAnsibleTerraform+31

Amdocs

Network Architect

Jul 2016 – Aug 2017 · 1 yr 1 mo

Senior Networking support expert
Provide professional services and support for networking devices used as part of KC1 products deployed in Tier-3, Tier-2, and Tier-1 wireless operator in Global Region.
Support complex cases of Cisco L2-L3 switches and Radware LBA’s
Support cases and provide Root Cause Analysis
Technical focal point, responsible for all technical procedures conducted on-site
Write and approve procedures and Statement of Work documents
Work with third party vendors (Cisco, Radware, Nortel etc.) until RCA and fix is achieved

Cisco L2-L3 switchesRadware LBARoot Cause AnalysisTechnical proceduresStatement of WorkNetworking Support

Bt e-serve india pvt. ltd

Technical Lead

Sep 2015 – Jul 2016 · 10 mos · Gurgaon, India

Client: Pepsi, DHL, VISA, Worley Parson, Barclays, Namura, CLSA
Manage client LAN & WAN network end to end.
Providing the quick solution of customer problems (P1, P2, P3 and P4)
Working as a SME and helping a team of 15 members.
Prepare the configuration change plan to provide break fix or as per the customer requirement, get it verified with the Technical design consultant and implement the same.
Providing the KT to L1 team member to make process more stable.

LANWANConfiguration Change PlanCustomer SupportKnowledge TransferNetwork Management

Ericsson india global services pvt ltd

Sr. Engineer -Customer Support

Jan 2012 – Sep 2015 · 3 yrs 8 mos · Gurgaon, India

Worked for the Global customer of Ericsson and support there 2G , 3G & 4G network end to end.
Below are the key technologies used in there MPBN solution.
Cisco Routers: 1000, 7200, 1900, 800, 2800
Juniper Routers: M10i, M7i, MX
Ericsson Router: SE 600, 800, 1200, SSR
Cisco Catalyst Switches: 6800, 6500, 4500, 3700, 3500, and 2900
Extreme Switches: BD-8806, 8810, X-450
Cisco ASA: 5510, 5520. 5540, 5580
SRX Firewall – SRX 650, 1400, 1500, 3400, 3600, 5800
Net -screen Firewall- 5200, 5400 Series
Load balancer – F5, ASM
Cisco IPS/IDS: 4215, 4225, 4235, 4240
Wan Optimization – Steel-head appliance, Interceptor, Profiler, Gateway sensor, Cascade Solution
Wireless Controller- 5700, 5500, 2500
Telecommunication – 4G, 3G, 2G, MPBN Solution

2G3G4GMPBN SolutionCisco RoutersJuniper Routers+2

Vertex india customer services pvt. ltd

Sr Network Analyst

Sep 2011 – Sep 2012 · 1 yr · Gurgaon, India

Client- STW, United Utilities, M&S, Times jobs, Reliance, Shell, BMI Baby, Vodafone etc
Responsible for implementing, monitoring and troubleshooting the vertex international and domestic network.
Proactive monitoring (24*7) of the network using the PRTG tool.
Troubleshooting the incidents and resolving them within the SLA.
Installation of Cisco 2960, 2950 L2 switches for the domestic set up in NOIDA.
Providing network support to UK, North America users.
Configured and managing the SYSLOG server for their domestic set up (Cisco 2950, 2960, 6506 3750 devices)
Working on tools E-health, Ping Plotter to monitor the links utilization and network connectivity.
Coordinating with ISP Cable & Wireless, AT&T for the WAN issues.
Following the ITIL process to resolve the CA tickets within defined SLA.
Performing the daily checklist task to ensure the smooth operation.