Senior Network Engineer

NTT DATA, Inc.; Toronto; Hybrid; CAD 123,304 - 137,005; Full time

Benefits offered by this job

Flexible working hours

Home office

Occasional travel to client sites

Job summary

NTT DATA, Inc. is looking for a Senior Network Engineer in Toronto, Ontario. The successful candidate will manage and optimize in-house and cloud-based networks, develop security protocols, and troubleshoot complex network issues. Requirements include over 10 years of experience in networking, with a strong preference for cloud technology (Azure). The role promises a target salary of $90,000–$100,000 plus commissions and offers flexible working hours with remote possibilities.

Qualifications

• 10+ years of experience as a Network Engineer.
• 5+ years in a senior role.
• Deep understanding of networking protocols.
• Solid understanding of the OSI or TCP/IP model.

Responsibilities

• Design and deploy functional networks.
• Configure and install network devices.
• Monitor performance and ensure system availability.
• Provide technical support and troubleshooting.

Skills

Network protocols (IPSEC, HSRP, BGP, OSPF, 802.11, QoS)

Advanced troubleshooting skills

Effective communication skills

Experience with firewalls

Hands-on experience with network diagnostics tools

Education

Bachelor’s degree in Computer Science or Engineering

Tools

Fortinet network devices

F5 BigIP devices

VPN IPSEC

Job description

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.

Position Overview

We are seeking an experienced and talented Senior Network Engineer to join our team. Senior Network Engineer responsibilities include managing and optimizing in-house and cloud-based networks, developing and implementing network security protocols, and troubleshooting network issues. You have extensive experience managing a hybrid network (Azure preferred) that is highly available and fault tolerant. Experience with firewalls is a must. The primary goal of the Senior Network Engineer is to ensure the smooth operation of the network infrastructure to provide maximum performance and availability for the system users. This position is expected to be the subject matter expert and "go to" individual on the team to troubleshoot complex problems nobody else can solve. Our ideal candidate is cool under pressure, an expert problem solver, highly motivated, a team player but also able to work independently, and is someone that is constantly looking for ways to make improvements and isn’t afraid to bring those suggestions forward.

Responsibilities

• Design and deploy functional networks (LAN, WAN, WLAN)
• Configure and install various network devices and services (e.g., routers, switches, firewalls, load balancer, VPN, QoS)
• Perform network maintenance and system upgrades including service packs, patches, hot fixes, and security configurations
• Perform cost estimation and identify mechanisms for cost control and containment
• Monitor performance and ensure system availability and reliability
• Monitor system resource utilization, trending and capacity planning
• Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure
• Select and implement security tools, policies, and procedures in conjunction with the company’s security team
• Liaise with vendors and other IT personnel for problem resolutions
• Ensure security and compliance with policies and procedures
• Provide technical support and troubleshooting to resolve network related issues
• Stay updated with the latest trends in networking
• Document and maintain network environment configurations and diagrams
• Provide assistance and mentoring to other IT team members

Qualifications

Must Have

• 10+ years of experience as a Network Engineer
• 5+ years of experience in a senior role
• Deep understanding of network protocols (e.g., IPSEC, HSRP, BGP, OSPF, 802.11, QoS)
• Solid understanding of the OSI or TCP/IP model
• Hands‑on experience with monitoring, network diagnostics and network analytics tools
• Advanced troubleshooting skills
• Experience with both on‑premises and cloud (Azure preferred) networks
• Experience deploying, managing, and troubleshooting firewalls
• Experience deploying, managing, and troubleshooting VPN IPSEC tunnels
• Professional certifications in networking
• Effective communication skills (written and verbal)

Would be a Plus

• Experience deploying, managing, and troubleshooting an IPS/IDS
• Experience with Fortinet network devices and firewalls
• Experience designing and managing networks to optimize VoIP traffic
• Experience with F5 BigIP devices
• Bachelor’s degree in Computer Science, Engineering, or a relevant field

Benefits

Home office based with occasional travel to client sites. Flexible working hours to support a global team.

Compensation

Target base salary: $90,000–$100,000 (based on experience) plus variable commissions.

Equal Opportunity Employer

NTT DATA is a proud equal opportunity employer and welcomes applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.

NTT DATA is an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category.

NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process. All email communications from an NTT DATA recruiter will come from an @nttdata.com email address. If you suspect any fraudulent activity, contact us.