Senior Network Engineer

  • Melbourne, Australia
  • Full-time

Company Description

Our mission is simple: we want to help people everywhere start, run and grow a business. We’re a fast-moving global fintech company building the tools entrepreneurs need to simplify and streamline every business process, from accepting card payments and online invoicing to inventory management, real-time analytics, employee management and powerful data reporting. Now supporting millions of businesses worldwide, Square is recognised as a leader in financial technology, currently rated third in Fast Company’s 2018 edition of the World’s Most Innovative Companies. As we continue to expand globally, we are looking to drive that innovation further by scaling our smart, dedicated and passionate workforce in new markets. Square was founded in 2009 by Jack Dorsey and Jim McKelvey and is headquartered in San Francisco, with offices now operating across the United States, Canada, Japan, the UK and Australia.

Job Description


As a team, we value correctness, efficiency, and safety. We measure and monitor everything, and have a culture of continuous reflection and improvement.  We aim to eliminate friction in production and believe that no project should be delayed due to lack of reliable infrastructure. We believe that a well designed production environment can be beautiful.  We're looking for a network engineer who shares our values, particularly those who have experience building, monitoring, and maintaining a highly-available backbone interconnecting multiple datacenters.

You will:

  • Help architect, design, and implement improvements to our global network
  • Interface with the security team to design and deliver security-related enhancements
  • Perform network based security risk assessments
  • Configure and administer network monitoring tools
  • Configure and administer routers and switches in a multi-vendor environment
  • Drive and/or assist in automating our network
  • Troubleshoot network failures and performance issues
  • Participate in an on-call rotation covering all of the above
  • Mentor and train other network engineers on the team
  • Occasionally be required to travel domestically and internationally


You have:

  • 5+ years hands-on experience with routing, switching, and load balancing in highly complex environments
  • In-depth knowledge of network concepts, devices, and protocols
  • Solid OSPF and BGP experience
  • Solid experience with open source environments, including automation/development building blocks such as python, git, ansible and others
  • Strong communication skills
  • Impressive organizational skills and the ability to multitask in an interrupt-driven, real-time environment
  • A personal commitment to quality

Even better:

  • Experience with Juniper, Arista and F5 platforms
  • Experience designing and implementing IPv6 networks
  • You have MPLS experience
  • You are a solid coder/DevOps person

Additional Information

At Square, our purpose is to empower – within and outside of our walls. In order to build the best tools for the businesses and customers we support all over the world, we have to start at home with a workforce as diverse and empowered as our sellers. To this end, we take great care to evaluate all employees and job applicants equally, based on merit, competence, and qualifications. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or any other characteristic protected by law. We encourage candidates from all backgrounds to apply. Applicants in need of special assistance or accommodation during the interview process or in accessing our website may contact us by sending an email to assistance(at) We will treat your request as confidentially as possible. In your email, please include your name and preferred method of contact, and we will respond as soon as possible.