Senior Network Engineer

# Senior Network Engineer
> Weekday AI · United States (Remote) · Full-time · Posted 2026-03-16
**Workplace:** remote
**Department:** Weekday's Client via platform
## Description
**This role is for one of the Weekday's clients**
Min Experience: 0 years

Location: Nebraska

JobType: full-time

We are looking for a skilled **Senior Network Engineer** with strong expertise in **email infrastructure, bounced email analysis, and network-level troubleshooting**. The ideal candidate will work on diagnosing and resolving **email delivery failures, bounce-back issues, and network routing problems** affecting 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 to **monitor email delivery performance, investigate bounce reports, and optimize mail server configurations** to 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 troubleshoot **bounced emails and email delivery failures** across enterprise systems.
• Investigate **SMTP errors, soft bounces, hard bounces, and delivery delays** to identify root causes.
• Work with network and infrastructure teams to diagnose issues related to **DNS, routing, firewall rules, and mail server configurations**.
• Maintain and optimize **email 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 as **SPF, DKIM, and DMARC**.
• Collaborate with product and engineering teams to improve **email deliverability and system reliability**.
• Monitor network performance and ensure optimal configuration for **high-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 of **email protocols including SMTP, POP3, and IMAP**.
• Experience analyzing **email bounce logs, SMTP response codes, and delivery status notifications (DSN)**.
• Knowledge of **DNS configuration, MX records, reverse DNS, and email authentication standards (SPF, DKIM, DMARC)**.
• Familiarity with **mail servers such as Postfix, Sendmail, Exim, Microsoft Exchange, or cloud-based email services**.
• Solid networking knowledge including **TCP/IP, firewalls, routing, and load balancing**.
• Experience troubleshooting issues related to **email 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 managing **large-scale email delivery systems or marketing email platforms**.
• Familiarity with **email reputation monitoring tools and anti-spam frameworks**.
• Exposure to **cloud infrastructure such as AWS, Google Cloud, or Azure networking**.
• Knowledge of **automation, scripting, or monitoring tools** used in network operations.

## Apply
[Apply at Weekday AI](https://apply.workable.com/weekday-1/j/D92D88751E/apply)
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