Sr. Cybersecurity Engineer - Network Security

This is an individual contributor role responsible for solving problems and taking a broad perspective to identify innovative solutions. This is at intermediate professional level and works independently with minimal guidance and requires a high-level proficiency in networking and security disciplines.

Essential Functions:

• This position is responsible for day-to-day administration of network firewalls and proxy systems, designed to protect networks and systems from malicious/unauthorized network access or misuse.
• Developing and maintaining automation software and scripts for managing production networks
• Primary responsibilities include, updating firewall rules/policies to meet customer requirements, validating that user requests do not allow unauthorized network access, firewall log analysis, troubleshooting network connectivity problem via use of packet captures using packet capture technologies.
• Having broad knowledge of information security, understanding application, data, threats and mitigation, and security trends.
• Troubleshooting firewall fault conditions and coordinating firewall rebuild efforts
• Coordinates with the Security Operations Center to proactively defend against the known exploits and vulnerabilities.
• Configures internet proxy servers to restrict corporate internet access to support the companys acceptable use policy.
• Diagnoses and resolves network connectivity problems in short time frames
• Applies security software patches, and assists in capacity expansions.
• Updates incident and change management records
• Provides technical support for activities that improve the security posture of Visas networks.
• Provides 24x7 on-call support whenever preformation the duty of on-call, which has roaster that is rotated.
• Need to work on shift hours, UK shift 1:00 PM to 10:00 PM OR US Shift/Night Shift 10:00 PM to Next day 7:00 AM with one hour break
• Collaborate with teams to integrate AI tools with existing security frameworks.
• Leverage AI/ML techniques to analyze network traffic, identify anomalies, and detect threats in real-time.