Network Engineer at NS1

| Greater NYC Area
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About Us

NS1’s mission is to unlock the potential of DNS to deliver the tech that powers our customers and the world. We are the market leader in DNS and traffic management software and services, and our customers include the biggest properties and largest enterprises on the internet, such as Salesforce, LinkedIn, Squarespace, Pandora, Imgur, Yelp, Dropbox, and many more. Our modern DNS technologies enable optimized application delivery, couple via our APIs into the tooling and processes of today’s DevOps organizations, and deliver reliability and performance at global scale. We operate a worldwide, highly tuned Managed DNS network, and also deliver our technologies to customers as single-tenant software deployments. We solve incredibly challenging problems on behalf of our customers, in the most mission critical parts of their stack.

The Role

Our network is mission critical to our goal of bringing powerful DNS, traffic management, and application delivery to our customers. 100% uptime and the best global response time possible under challenging conditions are the key metrics we strive for on our network operations team. To that end we’re looking for a network engineer who can troubleshoot, take ownership of issues and projects to achieve these goals.

You’ll be fully empowered to make decisions that affect the entire platform. You should be well versed with BGP and anycast. You should be able to troubleshoot Linux servers, packet loss, and firewall issues as they arise. A solid understanding of DNS and a modern DevOps stack is a plus. Experience analyzing and coordinating mitigation of DDoS attacks is another bonus.

We’re looking for someone who can grow with us and take on more responsibilities as the platform grows and who’s not afraid to tackle new things. Because our company and platform are scaling fast, there are plenty of daily tasks that need to be managed. You don’t need to be a developer but general knowledge/experience with tools such as git is desired. Basic scripting skills are desired. Great ability to interact with others is desired. You’ll be expected to keep abreast of new technologies to assist in their evaluation and deployment as needed.

You will:

  • Work with internal teams to provide visibility into the network’s health
  • Ownership of planned network activities
  • Serve as level 2 escalation for network issues from internal clients
  • Manage network vendor issues and service delivery
  • Work with existing teams to deliver on new projects and deployments
  • Contribute to network automation projects
  • Participate in on call rotation
  • Interface with clients both internal and external as needed
  • Work with suppliers and external vendors with minimal supervision throughout entire project lifecycle to ensure a successful delivery for all stakeholders
  • Implement/deploy new policies, features and protocols across the network
  • Manage peering deployments and contribute to related toolchain
  • Heavy collaboration with existing teams around ddos tooling and mitigation efforts
Your Skills:
  • 5+ years of experience in networking
  • 2+ years of experience with Linux/Unix
  • Junos experience
  • Mid to senior level knowledge in networking
  • Multiple years of experience with a global anycast footprint is desired
  • Multiple years of experience with IS-IS and/or OSPF
  • Experience working with vendors to troubleshoot issues and provision new services
  • Excellent verbal and written communication skills
  • Working knowledge of best practices across different industries
  • Ability to self manage and see a project through to completion
  • Familiarity with Python a plus
Nice to have:
  • Scripting experience 
  • MX, QFX experience
  • IPtables experience
  • sflow/netflow/ipfix data analysis
  • ELK stack/Grafana experience
NS1 Technology Stack:
  • Our globally distributed platform is comprised of many subsystems including:
    • Custom built DNS software that’s deployed on physical hardware and an anycasted network that spans nearly 30 facilities globally
    • REST API, and Portal
    • Deployment automation, CI/CD, unit/integration testing
    • Monitoring, metrics collection and alerting
    • Traffic load balancing, filtering, and DDoS mitigation tools
    • Messaging, persistent DB and caching systems
  • Other technologies and integrations include:
    • Linux, Ansible, Docker & other container platforms
    • BGP, BPF/IPTables, SDN, packet analysis
    • MongoDB, Redis, RabbitMQ, SQL
    • Python (Twisted), Bash, C, C++14, React, Redux, D3
    • Hadoop/HDFS/OpenTSDB, Grafana, Bosun
    • Integrations with third party SaaS, APIs, and libraries, various Open Source projects including REST API clients and integrations
Working @ NS1

We’re a fast-growing, well-funded startup based in the heart of New York City’s Financial District with offices and team members around the world. Working at NS1, you’ll come to understand our team is unique, both in and out of the workplace. We have PhDs, musicians, artists, and athletes working side by side, dedicated to delivering first class products. We’re hardworking, but we're also a compassionate group. We understand that outside of NS1 is a world that places demands on our time. Our leadership team is dedicated to open and honest communication and we continuously strive to foster a culture of transparency, flexibility, and creativity.

We offer:

  • competitive compensation (salary and stock options)
  • medical, dental, and vision
  • commuter benefits
  • 401k
  • flexible hours and time off
  • choice of workstation

NS1 is an equal opportunity employer.

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Technology we use

  • Engineering
    • C++Languages
    • GolangLanguages
    • PythonLanguages


55 Broad St, 19th Floor, New York , NY 10004

What are NS1 Perks + Benefits

Health Insurance & Wellness Benefits
Dental Benefits
Vision Benefits
Health Insurance Benefits
Retirement & Stock Options Benefits
Company Equity
Child Care & Parental Leave Benefits
Generous Parental Leave
Flexible Work Schedule
Remote Work Program
Vacation & Time Off Benefits
Unlimited Vacation Policy
Perks & Discounts
Casual Dress
Commuter Benefits
Company Outings
Stocked Kitchen
Happy Hours
Professional Development Benefits
Job Training & Conferences
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