GTM Engineer

Clera Labs, Inc.; Wien; On-site; EUR 80,000 - 100,000; Full time

Job summary

Clera Labs, Inc. is seeking an experienced outbound email engineer to own and scale our high-volume outreach engine from Vienna.

You will manage deliverability, write personalized cold copy, and collaborate across teams to drive qualified pipeline. Ideal candidates have 3+ years building infrastructure for six- to seven-figure monthly sends, hands-on domain management, and mastery of MarTech stacks like Smartlead or Instantly; German and English fluency required; local work authorization is

Qualifications

• 3+ years building high-volume email outreach infrastructure including six- to seven-figure monthly sends.
• Experience managing many mailboxes and domains with Smartlead or Instantly.
• Expert knowledge of deliverability: SPF/DKIM/DMARC, warmup protocols, bounce management, inbox placement.
• Strong cold email copywriting, list-building, data quality, and segmentation.
• Experience with modern MarTech and CRM for B2B SaaS outbound and sales development workflows.
• A track record of running A/B tests and conversion optimization experiments.
• Native-level German and fluent English.
• Existing local work authorization is required.

Responsibilities

• Build and operate high-volume sending infrastructure across multiple domains and mailboxes.
• Manage email deliverability including domain setup, SPF/DKIM/DMARC, warmup, bounce hygiene, and inbox placement.
• Write and test personalized cold email copy that feels human and drives responses.
• Build prospect lists and maintain data quality for outbound campaigns.
• Run experiments on messaging, subject lines, send times, and targeting, then use results to improve conversion.
• Manage and integrate outreach, marketing technology, and CRM tools such as Smartlead or Instantly.
• Analyze campaign performance and share insights that support the sales pipeline.

Skills

Deliverability

Copywriting

A/B testing

Data analysis

List building

Segmentation

CRM usage

MarTech

Tools

Smartlead

Instantly

Job description

About the Role

Own and scale the outbound email engine for a growing AI communications business. This role combines deliverability expertise, compelling copywriting, and data-driven experimentation to build a reliable source of qualified pipeline.

What You'll Do

• Build and operate high-volume sending infrastructure across multiple domains and mailboxes.

• Manage email deliverability, including domain setup, SPF/DKIM/DMARC, warmup, bounce hygiene, and inbox placement.

• Write and test personalized cold email copy that feels human and drives responses.

• Build prospect lists and maintain data quality for outbound campaigns.

• Run experiments on messaging, subject lines, send times, and targeting, then use results to improve conversion.

• Manage and integrate outreach, marketing technology, and CRM tools such as Smartlead or Instantly.

• Analyze campaign performance and share insights that support the sales pipeline.

What We're Looking For

• At least 3 years of experience building and operating high-volume email outreach infrastructure, including campaigns at six- or seven-figure monthly sending volumes.

• Hands-on experience managing many mailboxes and domains with platforms such as Smartlead, Instantly, or equivalent tools.

• Expert knowledge of deliverability fundamentals, including SPF/DKIM/DMARC, warmup protocols, bounce management, and inbox placement.

• Strong cold email copywriting, list-building, data quality, and segmentation skills.

• Experience with modern MarTech and CRM platforms, B2B SaaS outbound, and sales development workflows.

• A track record of running A/B tests and conversion optimization experiments.

• Native-level German and fluent English.

• Experience with AI voice agents or conversational AI is helpful.

• Existing local work authorization is required.

Compensation & Benefits

Base salary: €80,000 to €100,000 annually. Visa sponsorship is not available.

Location

On-site in Vienna, Austria.