Email Deliverability & Infrastructure Engineer

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.

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.

• 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.

• Scripting ability (PowerShell, Python, or Bash) to automate warm-ups and reporting.
• Certifications: HubSpot Email Marketing, MTA EE, Mailgun or SendGrid Deliverability accreditation.

• 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.

Apply on LinkedIn or send your resume to info with the subject "Email Deliverability & Infrastructure Engineer - Your Name "