Blacksmith Agency Llc is seeking an experienced Senior Systems Engineer to own and scale our integral email infrastructure.
You will architect and maintain high-availability MTAs, ensure deliverability, and implement automated defenses to protect reputation across our global network.The role blends Linux system administration, network engineering, and advanced email deliverability.
You will drive DNS/auth policy, traffic throttling, and IP warm-up as part of a security-first operational culture.
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