Senior Email Deliverability Engineer (Email Security)

TL;DR

Senior Email Deliverability Engineer (Email Security): Designing and executing strategies for launching and warming up email traffic, focusing on IP/domain reputation management and abuse prevention for hosting providers. Focus on developing high-performance tools for spam detection and ensuring stable deliverability during production rollouts.

Location: Fully remote, worldwide

Company

hirify.global is a global remote-first company focused on delivering Linux infrastructure and security products, notably the Imunify360 Security Suite for hosting providers.

What you will do

• Lead email traffic launch and warm-up strategies for new services.
• Design and execute IP and domain warm-up plans, including monitoring and corrective actions.
• Own email reputation management, proactively monitoring RBLs, ISP feedback, and reputation signals.
• Define and monitor key deliverability KPIs like inbox placement and complaint rates.
• Analyze traffic patterns to detect abuse, misconfiguration, or anomalous sending behavior.
• Investigate and mitigate false positives, false negatives, and escalations related to email filtering.

Requirements

• 5+ years working with email systems or outbound email traffic in production.
• Direct experience launching new email services or IP pools.
• Hands-on responsibility for IP and domain warm-up, reputation recovery and protection, and ISP-specific deliverability tuning.
• 5+ years of experience with Python or Go.
• Solid experience working with GNU/Linux and Bash / Shell scripting.
• Strong understanding of SMTP behavior, bounce handling, complaint feedback loops, suppression logic, and abuse vectors.
• Familiarity with SPF, DKIM, DMARC, RBLs, and traffic segmentation and throttling strategies.

Culture & Benefits

• Focus on professional development and interesting, challenging projects.
• Fully remote work with flexible working hours, allowing scheduling from any location worldwide.
• Paid 24 days of vacation per year, 10 national holidays, and unlimited sick leaves.
• Compensation for private medical insurance.
• Co-working and gym/sports reimbursement.
• Budget for education.