About Jupyter Analytica Jupyter Analytica is a fast-growing performance-marketing agency that blends data, AI and advanced analytics to help e-commerce, SaaS, and technology brands scale profitably. As our client roster and our own internal tech stack grows quickly, we need a hands-on IT professional who can keep our cloud environment, email infrastructure and security posture running efficiently. In addition, we’re looking for a hands-on expert who can build, tune, and protect the infrastructure that keeps our clients’ revenue-critical emails landing in the inbox—not the spam folder. What You’ll Do Infrastructure Setup & Management • Stand up and maintain third-party ESPs (SendGrid, Mailgun, Amazon SES) and on-prem/virtual MTAs (PowerMTA). • Configure dedicated IP pools and warm-up schedules to safeguard sender reputation. • Spin up new domains/sub-domains, provisioning DNS (A, MX, TXT, SPF, DKIM, DMARC, BIMI, rDNS) end-to-end. Deliverability & Authentication • Monitor inbox vs. spam placement, bounce codes, complaint rates, and blocklists; drive swift remediation. • Apply FBLs, feedback loops, and seed-list testing; own deliverability dashboards and alerts. • Partner with marketing teams to optimise templates, HTML/CSS, and sending cadence. Troubleshooting & Optimisation • Analyse SMTP transcripts, PMTA logs, and ESP dashboards to diagnose delivery issues. • Implement ongoing IP/domain warm-up, throttling, and list-hygiene strategies. • Tune PMTA configs and routing rules for large-scale bulk sends. Security & Compliance • Enforce authentication standards (SPF, DKIM, DMARC, BIMI). • Ensure CAN-SPAM / CASL / GDPR compliance in all sends. • Coordinate periodic audits of sender reputation, DNS hygiene, and inbound security. Reporting & Continuous Improvement • Publish weekly deliverability scorecards for internal and client stakeholders. • Stay current on ISP policy changes, new authentication protocols, and industry benchmarks. • Recommend tooling or process changes to push inbox placement toward 99 %+. Microsoft 365 & Exchange Online • User / group / licence lifecycle. • Conditional Access, MFA, and Intune policies. • Shared mailboxes, resource calendars, transport rules. • Retention & e-Discovery configuration. DNS & Domain Management • Maintain DNS zones (A, CNAME, TXT, MX, SPF, DKIM, DMARC). • Coordinate new domain registrations & renewals. • Implement subdomains or aliases for marketing campaigns. Minimum Requirements 3+ years in email deliverability, MTA/ESP administration, or related infrastructure roles. Proven expertise with Microsoft365 , Office , SMTP, SPF, DKIM, DMARC, rDNS, BIMI and large-scale DNS management. Hands-on experience with SendGrid, Mailgun, Amazon SES or PowerMTA configuration and optimisation. Solid grasp of HTML/CSS for email and common rendering pitfalls. Comfortable analysing bounce logs, spam-trap hits, and feedback-loop data. Strong documentation habits and ability to translate complex deliverability issues for non-technical stakeholders. Experience integrating outreach tools (Apollo, Outreach, HubSpot) with custom domains and tracking links. Familiarity with Microsoft 365 or Google Workspace identity/email admin. Nice to Have Scripting ability (PowerShell, Python, or Bash) to automate warm-ups and reporting. Certifications: HubSpot Email Marketing, MTA EE, Mailgun or SendGrid Deliverability accreditation. Why Join Us? Own the Inbox: Your work directly impacts revenue for high-growth brands. Innovative Culture: Work alongside data scientists, growth marketers and AI engineers. Remote First: Flexible hours, distributed team, modern async workflows. Professional Growth: Annual learning stipend and paid certification support. Ready to keep apply? Apply on LinkedIn or send your resume to info @jupyteranalytica.com with the subject “Email Deliverability & Infrastructure Engineer – [Your Name]” Show more Show less