Vishal Sahu

• Led regular meetings with stakeholders to review upcoming deployments and address any concerns or issues ahead of time.
• Performed deployment/migration of FortiGate globally using hotcut/hybrid and parallel approach.
• Worked on high-end FortiGate devices (4400F, 2600F, 3700D, 1500D, 600F, 601E), FortiManager, Splunk, Prometheus, and Grafana.
• Troubleshot deployment failures and implemented corrective actions, minimizing disruption to end users.
• Managed rollbacks when necessary to quickly restore systems to their previous state in case of issues during deployments.
• Developed custom scripts to automate repetitive tasks during deployments, saving time and reducing errors.
• Facilitated smooth transitions between development, staging, and production environments through effective communication and coordination across teams.
• Collaborated with cross-functional teams through complete process of racking, staging, configuring, and migration/deployment.
• Conduct thorough pre-deployment troubleshooting and post-deployment checkups, assuring smooth traffic onboarding and uninterrupted operations.
• Performed decommission of old device, ensuring data has been wiped before device is shredded or physically destroyed.

Key roles and responsibilities

• Having gained experience as a TAC engineer, possess practical knowledge in troubleshooting a variety of technologies, such as SSL-VPN, IPSEC-VPN, SDWAN, HA (High Availability), Firewall Policies, SNAT & VIP, UTM Profiles, TCP, SSL-Offloading, Routing, Authentication, Certificates, VOIP, and Proxy.

• Advised senior personnel on potential process improvements to increase support quality and expedite ticket fulfillment.

• Engaged with high-end FortiGate devices, including models like 1000D, 1101E, 2200E, 2000D, 3000D, 3700D, and 3700F.

• Documented unknown issues and bugs reported by users, enabling development staff to address them in iterative updates.

• Resolved problems, provided Root Cause Analysis (RCA), enhanced operations, and delivered exceptional service.

• Worked with various VPN protocols, including Ikev1, Ikev2, and SSL.

• Troubleshot authentication issues related to LDAP, Radius, SAML, MFA, and Certificates.

• Provided professional services and handled escalations.

• Contributed to community forums by creating new articles to improve customer experience and facilitate easy issue resolutions.

Key roles and responsibilities

• Possess extensive expertise in resolving layer 3 and 4 issues.

• Demonstrated strong knowledge of OSI Layer and TCP/IP.

• Successfully diagnosed and resolved network hardware and software issues.

• Proficiently handled Cisco ASA, Router, and Switches.

• Experienced in configuring various VPN protocols such as Ikev1, Ikev2, and SSL.

• Identified and resolved authentication issues involving LDAP, Radius, SAML, MFA, and certificates.

• Skilled in problem-solving and debugging.

• Provided training, mentoring, and guidance to new engineers to enhance their skills and performance.

• Proactively escalated issues to deliver enhanced customer support.

• Replicated customer environments when necessary to ensure optimal design and functionality.