[All remote jobs](https://jobicy.com/jobs.md)[![Customer.io logo](https://jobicy.com/data/server-nyc0409/galaxy/mercury/2025/06/b82146da-221.jpg)](https://jobicy.com/company/customer-io.md)[Customer.io](https://jobicy.com/company/customer-io.md) # Email Deliverability Specialist Review the role, location requirements, compensation details, and application process before deciding whether this opportunity fits your next career move. [Apply for this job](#job-application)[View company](https://jobicy.com/company/customer-io.md)ShareRemote from[USA](https://jobicy.com/job-region/usa.md), [Canada](https://jobicy.com/job-region/canada.md)SalaryUSD 102k–110k / yrDepartment[Technical Support](https://jobicy.com/categories/technical-support.md)EmploymentFull TimeExperienceSeniorPublished16 Oct 2026Apply before15 Nov 2026Listing views27Application actions2Application toolkit ## Make your next move. Prepare your resume, explore your fit, and draft a cover letter for this opportunity. AI Summary ## The role, at a glance. Customer.io is hiring an Email Deliverability Specialist within Technical Support to resolve complex sender-reputation and inbox-placement issues for customers. The role combines hands-on investigation of authentication, DNS, SMTP, provider data, blocklists, and engagement signals with direct customer advising. The specialist will collaborate closely with Engineering, Customer Success, and Support while identifying acceptable-use risks and evolving compliance requirements. They will also scale deliverability expertise through documentation, coaching, training, and process improvements. This is a technically focused support role requiring clear communication and strong ownership of complex cases. ## Role DNA A quick view of the complexity, pace, ownership and collaboration implied by the job description. ### Job Complexity 4/5EasyHard ### Pace & Pressure 4/5RelaxedFast-paced ### Autonomy Level 4/5GuidedFull ownership ### Communication Load 5/5IndependentCollaborative AI insightThe position requires specialized deliverability knowledge across email infrastructure, authentication, sender reputation, provider tooling, and compliance. It also demands independent case ownership while communicating difficult findings and acceptable-use concerns directly to customers. ## Salary analysis Estimated compensation compared with the broader US market for similar roles. Estimated job median (per year)Market rate$106,000US market range (per year)$95k–$125k0$137.50k AI insightThe yearly pay period is inferred from the job context; it was not explicitly stated by the employer. The employer discloses a starting salary of $102,000–$110,000 USD. Because no cadence is explicitly stated, the annual period is inferred from the full-time professional role and compensation magnitude. A reasonable estimated US annual market range for an email deliverability specialist with the stated experience is $95,000–$125,000 USD. ## Core skills Skills and capabilities most closely associated with this opportunity. [Email deliverability](https://jobicy.com/jobs?search_keywords=Email%20deliverability.md)[SPF](https://jobicy.com/jobs?search_keywords=SPF.md)[DKIM](https://jobicy.com/jobs?search_keywords=DKIM.md)[DMARC](https://jobicy.com/jobs?search_keywords=DMARC.md)[BIMI](https://jobicy.com/jobs?search_keywords=BIMI.md)[DNS configuration](https://jobicy.com/jobs?search_keywords=DNS%20configuration.md)[SMTP](https://jobicy.com/jobs?search_keywords=SMTP.md)[Sender reputation management](https://jobicy.com/jobs?search_keywords=Sender%20reputation%20management.md)[Google Postmaster Tools](https://jobicy.com/jobs?search_keywords=Google%20Postmaster%20Tools.md)[Microsoft SNDS](https://jobicy.com/jobs?search_keywords=Microsoft%20SNDS.md)[Blocklist analysis](https://jobicy.com/jobs?search_keywords=Blocklist%20analysis.md)[Email compliance](https://jobicy.com/jobs?search_keywords=Email%20compliance.md)[Technical support](https://jobicy.com/jobs?search_keywords=Technical%20support.md)[Customer communication](https://jobicy.com/jobs?search_keywords=Customer%20communication.md)[Process documentation](https://jobicy.com/jobs?search_keywords=Process%20documentation.md) Sample interview questionsHow would you investigate a sudden decline in inbox placement for a high-volume sender?I would first segment the decline by mailbox provider, IP, domain, message type, and time period. I would review authentication alignment, reputation and complaint data, bounce trends, engagement changes, blocklist status, sending-volume spikes, and recent content or list-source changes. I would then prioritize the most likely drivers, recommend mitigations, and define measurable follow-up checks. How do SPF, DKIM, and DMARC work together to support deliverability? SPF authorizes servers permitted to send for a domain, while DKIM cryptographically signs a message so recipients can validate that it was not altered and is associated with the signing domain. DMARC applies alignment requirements and tells receivers how to handle mail that fails authentication. Together, they improve domain trust, protect against spoofing, and support modern mailbox-provider requirements. How would you handle a customer who is generating spam complaints or violating acceptable-use standards? I would review the available evidence carefully, including complaint rates, consent practices, list acquisition, content, and sending patterns. I would explain the issue plainly and respectfully, connect it to recipient experience and platform requirements, and give the customer a practical remediation plan. If the risk remained high, I would document the case and follow the established escalation and enforcement process. Describe how you would turn a recurring deliverability issue into a scalable support improvement. I would quantify the issue and identify its common technical and behavioral causes from case data. Then I would create a repeatable diagnostic workflow, update internal guidance, and develop customer-facing documentation or training that prevents avoidable tickets. I would measure outcomes such as case volume, resolution time, customer adoption, and recurrence to refine the resource. What information would you use from Google Postmaster Tools or Microsoft SNDS to advise a sender? I would examine domain or IP reputation, spam-rate trends, authentication and encryption signals, delivery errors, and changes over time. I would correlate those signals with sending volume, segmentation, campaign timing, engagement, and bounce data from the sending platform. My recommendations would focus on the specific source of risk, such as list hygiene, authentication alignment, volume ramping, or targeting practices. Opportunity details ## About this role. ### About [Customer.io](http://customer.io/) Over 9,000 companies — from scrappy startups to global brands — use our platform to send billions of emails, push notifications, in-app messages, and SMS every day. [Customer.io](http://Customer.io) powers automated communication that people actually want to receive. We help teams send smarter, more relevant messages using real-time behavioral data. ### About the role Hi, my name is Caitlin, Senior Manager, Technical Support at [Customer.io](http://customer.io/), and I’m looking for an Email Deliverability Specialist to join our deliverability program within Technical Support. You’ll help customers reach the inbox by diagnosing sending issues, advising on best practices, and guiding senders through an email ecosystem that keeps changing. You’ll be one of several deliverability experts on a team that shares knowledge across Technical Support, so your work reaches well beyond your own queue. You’ll partner with Customer Success, Technical Support, and Engineering: taking customer calls, equipping CSMs for customer conversations, working through complex technical cases alongside Engineering, and turning what you see in tickets into documentation, training, and better processes. You’ll thrive here if you think about the health of the whole program, enjoy improving how work gets done, and are equally comfortable digging into a detailed case and having a direct conversation with a customer about acceptable use. ### What we value Empathy and curiosity: You approach every customer with patience and a desire to dig deeper, especially when a conversation gets uncomfortable. Clarity: You explain complex technical concepts simply and help others do the same. Collaboration: You build strong partnerships across Support, Customer Success, and Engineering, and you treat customer outcomes as a shared goal. Thinking at scale: You look at how we do things today and see what could work better for the whole organization, then you help make it happen. Continuous learning: You stay ahead of evolving standards and see change as a chance to improve how we work. ### What you’ll do * Act as a trusted deliverability advisor to customers, handling complex cases through to full resolution and leading customer calls when a conversation needs it * Audit sender setup and monitor reputation across IPs and domains, using authentication (SPF, DKIM, DMARC) and BIMI, DNS configuration, and provider tools like Google Postmaster Tools, Yahoo Sender Hub, and Microsoft SNDS to diagnose blocklists, spam traps, and engagement drops * Work through highly technical issues with Engineering, taking ownership of the investigation first and sharing trends from customer cases with Product and Engineering * Identify acceptable use policy violations and spam complaints, hold clear and direct conversations with customers about compliance, and keep up with evolving standards (Gmail and Yahoo sender requirements, CAN-SPAM, GDPR) * Equip CSMs and Technical Support with the knowledge to handle deliverability conversations, through coaching, documentation, and training * Improve processes, tools, and one-to-many resources, such as help content, Academy course and proactive customer guidance, so deliverability support scales across the organization ### What we’re looking for * 2-4 years of experience in email deliverability at a mid-size or large ESP, B2B SaaS company, or marketing automation platform, with exposure to deliverability at scale * Deep understanding of email authentication (SPF, DKIM, DMARC, BIMI) and infrastructure (SMTP, MTAs, DNS), with the technical comfort to work through complex issues with Engineering * Proficiency with provider data feeds (Google Postmaster Tools, Yahoo Sender Hub, Microsoft SNDS) and third-party deliverability monitoring tools like Everest, MXToolbox, or similar, and the analytical skill to turn bounce, engagement, and blocklist data into clear recommendations * Working knowledge of email compliance and acceptable use standards, and comfort having direct conversations with customers who are sending outside of them * Experience building or improving processes, documentation, or training that help a support or deliverability team scale * Excellent written and verbal communication, including comfort leading customer calls and simplifying technical concepts for any audience * Located in the United States or Canada * Bonus: participation in deliverability communities (M3AAWG, ESPC, or similar) and experience partnering with Customer Success teams ### Compensation & Benefits We believe in transparency. Starting salary for this role is $102,000 – $110,000 USD (or equivalent in local currency) depending on experience and subject to market rate adjustment. We know our people are what make us great, and we’re committed to taking great care of them. Our inclusive benefits package supports your well-being and growth, including 100% coverage of medical, dental, vision, mental health, and supplemental insurance premiums for you and your family. We also offer 16 weeks paid parental leave, unlimited PTO, stipends for remote work and wellness, a professional development budget, and more. [See full benefits here →](https://customer.io/careers#:~:text=our%20collective%20success.-,BENEFITS,-Our%C2%A0) ### Our Process No gotchas, no trick questions – just a clear, human process designed to help both of us make an informed decision. * 30-minute video call with a Recruiter * 45-minute video call with the Hiring Manager * 60 minute Case Study Review call with Cross-Functional Partners * 30 minute video call with potential Team Member * 30 minute final video call with Senior Leadership All final candidates will be asked to complete a background check and employment verifications as part of our pre-employment process. [Customer.io](http://Customer.io) recognizes the stifling impact of systemic injustice on diverse communities. We commit to using our influence to increase inclusion and equity within the tech industry. We strive to build an inclusive team culture, implement bias-free hiring practices, and develop community partnerships to expand our global impact. Zoom is the only video conference platform that we use, virtual interviews will be conducted using the video capability (i.e., not via the chat), and offers will be extended in writing on official [Customer.io](http://customer.io/) letterhead. Please be vigilant in all of your job search activity, and if you have any questions please contact [jobs@customer.io](mailto:jobs@customer.io). ### Join us! Check out our [careers page](https://customer.io/careers/) for more information about why you should [come work with us!](https://customer.io/about/) We believe in empathy, transparency, responsibility, and, yes, a little awkwardness. If you’re excited by what you read — apply now. 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