Senior Network Engineer

This role is for one of the Weekday's clients

Min Experience: 0 years

Location: Nebraska

JobType: full-time

We are looking for a skilledSenior Network Engineerwith strong expertise inemail infrastructure, bounced email analysis, and network-level troubleshooting. The ideal candidate will work on diagnosing and resolvingemail delivery failures, bounce-back issues, and network routing problemsaffecting large-scale communication systems. This role is suited for professionals across a wide range of experience levels who possess strong analytical skills and a solid understanding of network protocols and email systems.

You will collaborate with engineering, infrastructure, and operations teams tomonitor email delivery performance, investigate bounce reports, and optimize mail server configurationsto improve reliability and deliverability. This position requires strong troubleshooting abilities, familiarity with SMTP protocols, and knowledge of how network configurations impact email delivery.

Requirements

Key Responsibilities

• Monitor, analyze, and troubleshootbounced emails and email delivery failuresacross enterprise systems.
• InvestigateSMTP errors, soft bounces, hard bounces, and delivery delaysto identify root causes.
• Work with network and infrastructure teams to diagnose issues related toDNS, routing, firewall rules, and mail server configurations.
• Maintain and optimizeemail infrastructure including SMTP servers, gateways, and relay systems.
• Analyze server logs, bounce messages, and delivery reports to resolve technical issues affecting email performance.
• Configure and manage authentication and security mechanisms such asSPF, DKIM, and DMARC.
• Collaborate with product and engineering teams to improveemail deliverability and system reliability.
• Monitor network performance and ensure optimal configuration forhigh-volume email systems.
• Implement preventive measures to reduce bounce rates and ensure successful email transmission.
• Document troubleshooting steps, root cause analyses, and solutions for recurring issues.

Required Skills & Qualifications

• Strong understanding ofemail protocols including SMTP, POP3, and IMAP.
• Experience analyzingemail bounce logs, SMTP response codes, and delivery status notifications (DSN).
• Knowledge ofDNS configuration, MX records, reverse DNS, and email authentication standards (SPF, DKIM, DMARC).
• Familiarity withmail servers such as Postfix, Sendmail, Exim, Microsoft Exchange, or cloud-based email services.
• Solid networking knowledge includingTCP/IP, firewalls, routing, and load balancing.
• Experience troubleshooting issues related toemail deliverability, spam filtering, and blacklisting.
• Ability to analyze logs, identify patterns, and resolve complex technical issues.
• Strong problem-solving skills with attention to detail.
• Excellent documentation and communication skills.

Preferred Qualifications

• Experience managinglarge-scale email delivery systems or marketing email platforms.
• Familiarity withemail reputation monitoring tools and anti-spam frameworks.
• Exposure tocloud infrastructure such as AWS, Google Cloud, or Azure networking.
• Knowledge ofautomation, scripting, or monitoring toolsused in network operations.