Sales Development Representative – Werkstudent

Atmen

Working-student SDR managing inbound replies, conference outreach, lead quality, and CRM pipelines. Supporting sales for Atmen’s green-certification SaaS platform serving energy-intensive industries.

Posted 8/14/2026part-timeMunich • 🇩🇪 GermanyEntry LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong written communication skills and attention to detail while managing CRM data quality and coordinating outreach efforts. Proficient in interpreting customer responses and maintaining organized workflows under time pressure.

Highest-signal resume keywords

Sales Development ExperienceCRM Data ManagementHubSpot FamiliarityStrong Written CommunicationAttention to Detail

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

CRM SystemsOutreach ToolsData Quality ManagementLead QualificationMeeting Coordination

Soft Skills

Organizational SkillsProactive Work EthicCuriosityReliabilityCalm Under Pressure

Tools & Technologies

HubSpot

Certifications & Qualifications

Valid Working Permit in the EU

Industry Keywords

Sales OperationsCustomer SupportEnergySustainabilityClimate Technology

About the role

Key responsibilities & impact

Manage inbound replies from automated outreach campaigns and respond thoughtfully and promptly
Interpret prospect replies, assess target-customer fit, and escalate technical or regulatory questions
Coordinate and schedule meetings with relevant Account Executives
Record conversations and notes accurately in HubSpot
Upload conference attendee lists into outreach tools and review enriched leads
Send and respond to conference-platform outreach messages
Coordinate meeting scheduling and support time-sensitive conference and side-event outreach
Review automated lead lists, remove irrelevant contacts, and flag incorrect or low-quality data
Highlight valuable prospects and maintain high-quality outreach lists
Monitor HubSpot workflow alerts and tasks
Investigate inactive leads and deals stuck in the pipeline
Complete missing CRM fields and maintain accurate data
Move companies and contacts to the correct pipeline stage and clean up irrelevant leads
Work with RevOps to maintain CRM data quality
Proofread Statements of Work and double-check proposal numbers and details
Prepare meeting briefs, background notes, documents, and internal notes
Support last-minute operational tasks during sales cycles or conferences

Requirements

What you’ll need

Previous experience in sales development, customer support, operations, or administration; internships welcome
Strong written communication skills in English
Ability to read and interpret messages carefully and respond clearly
High level of diligence and attention to detail
Ability to stay calm and organized under time pressure
Proactive and reliable way of working
Curiosity and willingness to learn about new industries and topics
Part-time availability within working student limits
Valid working permit in the EU
Location in Munich or Madrid
Fluency in English
Familiarity with HubSpot is a plus
Previous SDR or sales operations experience is a nice-to-have
Experience with CRM systems or outreach tools is a nice-to-have
Fluency in German, Spanish, or additional languages is a nice-to-have
Startup experience is a nice-to-have
Interest in energy, sustainability, or climate technology is a nice-to-have

Benefits

Comp & perks

Hybrid work from central Munich and Madrid offices, combining office and home working
Meetings-free mornings
One Team Day per week for recurring team interactions
Asynchronous collaboration and decision-making processes
Opportunity to shape the Atmen culture and product as an early employee
Opportunity to be part of and shape a fast-growing business and caring achievers team
“Well Pass” employee benefit in Munich, providing unlimited access to most fitness centers