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Senior Security Engineer

NTT DATA
United Statesfull_timeVerifiedPosted 27 Mar 2025

About the role

Make an impact with NTT DATA
Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

Your day at NTT DATA

What you'll be doing

Senior Security Engineer – Security Operations

About NTT Global Networks

NTT Global Networks, an NTT Communications company, is a leader in software-defined managed network services for global enterprises focused on providing end-to-end connectivity and unmatched customer support. Our global expertise and network reach include the world’s largest SaaS and Cloud providers. We are a partner of choice for enterprises that require an optimized and purpose-built network solution that empowers their digital transformation efforts, achieving true business outcomes.

We offer the full lifecycle of design, delivery, and ongoing management with an extensive services suite:

Managed SD-WAN helps enterprises optimize their global networks in terms of performance and cost.

Managed SD-LAN helps enterprises remove the burden of day-to-day management and allows the IT team to focus on the business.

Managed Secured Gateway and Cloud-based Network Services helps enterprises secure their Internet and Web traffic without investing in technology or infrastructure.

NTT Global Networks offers an attractive compensation and competitive benefits package including health, dental, vision, disability and life insurance, 401(K) with employer match, flexible spending accounts, health savings account, as well as company paid holidays and generous paid time off.

Position Overview:

This is an opportunity for a highly energetic individual to work in NTT’s security operations center. The Senior/Lead Security Engineer is responsible for the overall management of large enterprise network and security infrastructure. This includes planning, design, monitoring and management, troubleshooting, resolution, and policy management. This role requires in-depth technical expertise in networking, security, and cloud infrastructure. This person will work within a team of security engineers, network engineers, operation support engineers, and implementation engineers to support NTT’s customers.

Primary Responsibilities:

• Operates and maintains enterprise customer network and security devices

• Daily monitoring, troubleshooting, and resolution for security device functionality

• Optimizes enterprise security device functionality to detect, avoid, and respond to security vulnerabilities

• Maintains and secures global corporate cloud backbone infrastructure

• Performs security design and architecture reviews, and develops detailed health assessment and remediation deployment plans

• Designs and implements security projects including technology proof of concept testing and implementation for enterprise customers

• Provides consulting to enterprise customers for IT/OT security compliance and policies

• Performs network security equipment software and configuration upgrades

• Serves as an escalation contact for junior engineers on complex issues and designs

• Trains junior security and network engineers on specific security technologies

• On-call for escalated security issues Required Skills and Experience

• Extensive experience with Firewall/IDS/IPS - Cisco, Checkpoint, Fortinet, Juniper, Palo Alto, MS Azure, Zscaler, and Barracuda

• Expert knowledge of network security products such as next-generation firewalls, web security, malware, DDOS, ILP, NAC and zero-day attack

• Experience with Cloud Infrastructure - AWS, MS Azure, Cloud stack, OpenStack, Netskope, Palo Alto Prisma, and ZScaler

• Experience with Network Access Control - Cisco ISE, Aruba ClearPass

• Experience with Load Balancers - F5 BigIP LTM/GTM, Citrix ADC

• Experience with SIEM Products - QRadar, Microsoft Sentinel

• Experience in security penetration testing and security infrastructure assessments

• Knowledgeable on automation and scripting languages such as Python and Perl

• Expert level knowledge of network protocols and technologies across a range of hardware and infrastructure - AD, VLANs, VoIP, AAA/TACACS, and ACLs

• Strong hands-on network and application troubleshooting experience

• Knowledge of security compliance and guidelines in major industries

• Extensive knowledge of IP networking, routing protocols (OSPF, BGP), and business applications traversing networks

• Excellent computer skills including Windows and Linux/Unix operating system

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Company

NTT DATA

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