The Mimecast NetOps team is responsible for operating and maintaining the global network that provides the platform for Mimecast’s cloud services.  We manage the full network lifecycle from the architecture & design stages through to implementation and operations, which is made possible by the excellence of Mimecast Engineers, who possess a broad and technically advanced skillset.

About the role

As a Senior member of Mimecast’s NetOps team, will you provide leadership and guidance on network architecture and design within a global cloud service provider, and oversee and take ownership of the maintenance and operation of the network, with a focus on providing intelligent, scalable and maintainable automated solutions.

The ideal candidate is someone who is experienced working in a large-scale enterprise network or global cloud service provider network, with an expert-level understanding of networking principals and concepts. They should also be comfortable working in a Linux environment, and ideally proficient at scripting and in the use of configuration management and automation tools such as SVN, GitLab, and Ansible. As someone who lives and breathes networking, they will possess a good awareness of the network and communications ecosystem and of emerging technologies.

Mimecast is growing at a rapid rate, and the new member of the NetOps team will play an instrumental role in a number of exciting network projects to allow the network grow along with Mimecast. Some of the projects you will help with include the migration to 100Gbps spine-leaf architecture, new DC builds, implementation of a unified automation framework based on infrastructure-as-code principals, and the development and expansion of our edge network.

• Be a technical subject matter expert and point of escalation within the NetOps team
• Contribute to network design and architecture, capacity planning, and performance tuning.
• Collaborate with Engineering teams to define Network requirements in order achieve organisational objectives
• Collaborate with external vendors and partners in order to maintain and continue to improve the network
• Always look to create efficiencies through the implementation scalable and intelligent network automation solutions

Minimum required skills and experience

• At least 5 years of experience working with a large-scale enterprise network or cloud service provider network
• Strong knowledge of and working experience with network routing, switching and firewalling.
• Good conceptual understanding of and experience working with DC-grade Firewalls
• Good understanding of advanced networking principals and concepts, including in-depth knowledge of common protocols such as Ethernet, IP (v4 and v6), TCP, UDP, DNS, SMTP, and HTTPS
• In-depth understanding of and experience working with BGP
• Ability to perform in-depth analysis of network performance and application issues using standard diagnostics tools
• Hands on experience with network monitoring tools such as Solarwinds, Nagios, Cacti, Rancid, etc.
• Proficient working with Linux, preferably with CentOS/RHEL-based distributions
• Good working knowledge of Python and Bash
• Experience using configuration managements tools such as Git and SVN

Desirable skills and experience

• Experience working in a large-scale Managed Service Provider or Hyperscaler
• Working knowledge of network automation frameworks such as Ansible
• Experience using and integrating DCIM applications, such as NetBox, with automation frameworks
• Good understanding of the Internet landscape including Providers, Peering, Internet Exchanges, and experience working with Internet Registries (such as RIPE)

Rewards:

Mimecast is an entrepreneurial and high growth company which will provide the right candidate with a wealth of career development opportunities.

All Mimecasters pride themselves on being high performers, problem solvers, team players with passion, integrity and effectiveness. We strive to attract exceptional people who have that 'extra something', people who really enjoy what they do and are passionate about technology.