Senior Site Reliability Engineer - NORAM

Customer.io is seeking a collaborative Site Reliability Engineer (SRE) to join their remote-first team. The SRE will be responsible for designing, building, and maintaining the core MTA infrastructure to support the real-time processing and delivery of billions of messages. They will also automate deployment processes, respond to availability incidents, and ensure monitoring and alerting. The ideal candidate should have experience in managing and working with MTAs, scalability, and cloud infrastructure. Customer.io values diversity and offers flexibility to work from anywhere in the world.

• Design, build, and maintain core MTA infrastructure pieces that allow Customer.io scaling to support real-time processing and delivery of billions of messages
• Plan the growth of Customer.io’s MTA infrastructure
• Automate the deployment process to make it as boring as possible
• Be on our on-call rotation to respond to Customer.io availability incidents and provide support for technical support engineers with customer incidents
• Ensure monitoring and alerting, alert on symptoms and not on outages
• Document every action so lessons learned turn into repeatable actions and then into automation
• Debug production issues across services and levels of the stack
• Take an active role in a friendly and supportive team that encourages you and the entire company to grow as individuals, professionals, and teams
• Learn, practice, and share with your coworkers through code review, pair programming, team collaboration, and training to help improve our collective knowledge and best practices together

• Excellent communication skills and a collaborative mindset
• Experience in managing and working with MTAs, including MTA administration as a postmaster
• Solid understanding of scalability issues and experience deploying and managing distributed MTAs on cloud infrastructure
• Demonstrated track record of building and maintaining relationships within the MTA industry
• Proven experience building infrastructure via code and automating operational tasks
• Deep knowledge of UNIX environments and ability to apply modern collaborative development practices
• Self-starter who values synchronous and asynchronous work
• Experience working with Google Cloud Platform (nice to have)
• Preferably based in North/South America time zones

• Unlimited PTO - 20 vacation days in addition to holidays and sick days
• 100% medical, dental, vision, and supplemental insurance for you and your dependents
• 16 weeks paid parental leave for birth, adoption, or foster care
• 401k retirement matching - up to 5% dollar for dollar match to retirement contributions
• Health and wellness allowance - up to $200 USD per month for gym membership, acupuncture, massage, or bike repairs
• Home office stipend - up to $2,000 USD to help set up a home office
• Internet + cell phone reimbursement - up to $200 USD per month for internet and cell phone plans
• Co-working space reimbursement - up to $300 USD per month for working in a co-working environment
• Learning + development - up to $2,000 USD reimbursement per year for conferences, books, classes, workshops, and passion projects
• 1 month paid sabbatical after four years at Customer.io
• Opportunities to meet in-person with peers throughout the year
• Flexible schedule, work anywhere with a reliable internet connection and overlapping work time with manager