Sr. Network Design Engineer

About the job:
Full-time
Nisum is a leading global digital commerce firm headquartered in California, with services spanning digital strategy and transformation, insights and analytics, blockchain, business agility, and custom software development. Founded in 2000 with the customer-centric motto “Building Success Together®,” Nisum has grown to over 1,800 professionals across the United States, Chile,Colombia, India, Pakistan and Canada. A preferred advisor to leading Fortune 500 brands, Nisum enables clients to achieve direct business growth by building the advanced technology they need to reach end customers in today’s world, with immersive and seamless experiences across digital and physical channels.

What You’ll Do
Replicating Production Environment: Design and set up a lab environment that closely mirrors the production WAN environment. This includes hardware, software, and configurations. Keep an accurate inventory of network devices and their configurations.
Quality of Service (QoS) configurations are tested by introducing different types of traffic with varying priority levels. This assesses how well the network maintains service quality for critical applications under heavy load.
The primary goal is to evaluate the network behaviour under various traffic loads and conditions, identifying performance bottlenecks, scalability limits, and assessing how well the network handles increased demand
Ensure that the lab standards are consistent with the architectural design and best practices.
Implementing Lab Configuration: Configure routers, switches, and other network devices based on the designed architecture and lab standards.
Collaborate closely with network architects to provide feedback on the performance and behaviour of the lab environment.
Iterate on the network design based on insights gained during lab testing and work with architects to refine the architecture.
Comprehensive Lab Documentation: Maintain detailed documentation of the lab setup, configurations, test plans, and results.
Prepare documentation to hand over to operational teams, including standard operating procedures and troubleshooting guides.
What You Know
A minimum of 8+ years of proven professional experience is required.
Key Essential Skills:

Senior network design engineer level (i.e. CCIE)
MPLS/Segment Routing skills (carrier and/or service provider background )
Cisco ASR990, NCS 57B1, IXIA, Cisco Modelling Labs (CML), QoS
Network design/development experience
Network lab testing experience
Test Hardware and Software components utilizing in-house LAB 
Desirable Skills:

Proven experience in designing and managing WAN solutions.
Strong knowledge of networking protocols, routing, and switching.
Familiarity with security best practices and compliance requirements.
Excellent problem-solving and troubleshooting skills.
Effective communication and collaboration skills
Education
BS in Computer Science or related fields; MS preferred
Benefits
In addition to competitive salaries and benefits packages, Nisum India offers its employees some unique and fun extras:
Continuous Learning – Year-round training sessions are offered as part of skill enhancement certifications sponsored by the company on a need basis. We support our team to excel in their field.
Parental Medical Insurance – Nisum believes our team is the heart of our business and we want to make sure to take care of the heart of theirs. We offer opt-in parental medical insurance in addition to our medical benefits.
Activities -From the Nisum Premier League’s cricket tournaments to hosted Hack-a-thon, Nisum employees can participate in a variety of team-building activities such as skits, and dances performance in addition to festival celebrations.
Free Meals – Free snacks and dinner is provided on a daily basis, in addition to subsidized lunch.