Senior Site Reliability Engineer
4 tygodni temu
The SRE MailOps team’s mission is to maintain and improve ActiveCampaign’s mail infrastructure and tooling to provide our customers with a best of breed deliverability experience. Our vision is to provide mail sending functionality that is highly available globally, reliable, cost optimized, and scalable. Our infrastructure is deployed in 3 regions across the world and supports billions of messages per day. Our customers expect high reputation shared IPs with extremely high uptime.We aim to achieve our platform vision by 1) building a best-in-class MTA infrastructure using both PowerMTA and open source alternatives KumoMTA with 4 9s of availability, flexibility, security and compliance, 2) providing APIs, abstractions, infrastructure, composable services and self-service interfaces to accelerate product delivery, 3) optimizing cost-to-serve to achieve profitable scale, and 4) automating repeatable, time consuming and complicated infrastructure tasks and by building self service features and functionality that delight and inspire our front line deliverability specialists and internal developers to do their best work.
About the Role
The Senior Mailops Engineer is an engineering role to design and deliver our mail environment's future state. You will develop, deploy and operate ActiveCampaign’s worldwide MTA services based on AC’s standard procedures and guidelines.
You Have: 3-5 years of experience operating a mail environment, ideally from the sender side
Thorough knowledge of the email stack and mastery of PowerMTA or a comparable MTA like Green Arrow
Experience in fast paced, agile Devops/SRE environment working with a cloud provider such as AWS, Azure, or Google Cloud
Experience working with hypervisors such as ProxMox and/or Xen
Thorough understanding of DNS, SPF, DKIM, and DMARC and related RFCs
Proficiency or an eagerness to learn languages such as: PHP, Python, Go, Ruby and Bash
Deep understanding of basic deliverability concepts like IP warming, spam traps, feedback loops, blocklists, IP reputation, bounce processing,etc
Understanding of the trade-offs of employing different engineering solutions to a problem, valuing pragmatism over idealism
Proficiency in Linux system administration
Experience working with and fine tuning Grafana metrics and logs to monitor system performance and uptime
Comfortable working with IaC and Configuration Management tooling such as Terraform, Ansible, Chef, etc
You Will: Spin up up new mail servers using AWS, Chef, Terraform and other modern provisioning/devops technologies
Manage various PHP, Python and Go services running Kubernetes that support our mail infrastructure
Help adopt Kumo MTA
Contribute to high level architectural designs for autoscaling, provisioning, scaling, patching, reducing cost, and increasing the resiliency of our mail platform
Work to improve timely email delivery and processing for all outgoing and incoming email streams
Monitor outgoing queues to address bottlenecks and blocks as they occur
Troubleshoot and resolve bugs and issues, including delayed delivery
Work to automate all aspects of sending and deliverability analytics infrastructure to ensure optimal resiliency, scalability and performance
Participate in a 24/7 on call rotation 1-2 weeks per month
Bonus points: Have attended M3AAWG
Experience with Kubernetes or large containerized workloads
Experience with distributed systems at scale
Experience managing physical servers in a data center environment
We provide: full health care benefits,
a home office stipend,
ongoing wellness events,
a referral program,
professional development platforms,
a sabbatical program.
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