(Senior)Service Manager Mobilfunk B2B Key-Account Energiewirtschaft

prettyTELCO GmbH
Cologne Full-time Software Development Posted May 15, 2026 Expires June 14, 2026
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About This Role

Was prettyTELCO von anderen Personalvermittlungen abhebt, ist unser Fokus auf die Vermittlung von Menschen, die nicht nur fachlich qualifiziert sind, sondern auch menschlich perfekt ins Unternehmen passen. đŸ€đŸ»

Wir agieren deutschlandweit innerhalb der Telekommunikationsbranche und legen großen Wert auf einen persönlichen Ansatz. Wir nehmen uns Zeit, sowohl Unternehmen als auch Kandidaten kennenzulernen, um deren WĂŒnsche und Anforderungen genau zu verstehen. Denn bei uns steht der Mensch im Mittelpunkt – niemand ist nur eine Nummer bei uns! 🚀

Aufgaben

    • Du ĂŒbernimmst die ganzheitliche Betreuung und Steuerung von B2B-Key-Accounts aus der Energiewirtschaft.
    • Du verantwortest die Service Delivery fĂŒr Ihre Kunden im laufenden Betrieb komplexer Mobilfunklösungen.
    • Du erstellst, analysieren und prĂ€sentieren regelmĂ€ĂŸige Service-Reports fĂŒr Top-Kunden.
    • Du ĂŒberwachst, steuern und entwickeln vereinbarte SLA-Strukturen kontinuierlich weiter.
    • Du betreibst aktives Stakeholder-Management auf Kundenebene sowie gegenĂŒber internen Fachabteilungen.
    • Du stellst eine hohe Service-, Prozess- und QualitĂ€tsqualitĂ€t sicher.
    • Du ĂŒbernimmst das Management von Kundenprojekten einschließlich Planung, Umsetzung und Controlling.
    • Du wendest geeignete Projektmanagement-Methoden zur Steuerung komplexer Kundenanforderungen an.

Qualifikation

    • Du verfĂŒgst ĂŒber mehrjĂ€hrige Erfahrung als Service Manager im B2B-Umfeld, idealerweise mit Konzern- -Kunden im Bereich Energiewirtschaft und kritische Infrastrukturen.
    • Du besitzt ausgewiesene Expertise im Kundenservice eines IT- oder Mobilfunkanbieters.
    • Du trittst souverĂ€n auf und verfĂŒgen ĂŒber sehr gute Kommunikations- und PrĂ€sentationsfĂ€higkeiten sowohl auf operativer Arbeits- als auch auf Leitungs- und GeschĂ€ftsfĂŒhrungsebene.
    • Du zeichnest sich durch eine hohe Serviceorientierung und ein ausgeprĂ€gtes QualitĂ€tsbewusstsein aus.
    • Du arbeitest analytisch, strukturiert und lösungsorientiert.
    • Du verfĂŒgst ĂŒber sehr gute Deutschkenntnisse sowie gute Englischkenntnisse in Wort und Schrift.

Benefits

    • Unbefristeter Anstellungsvertrag
    • Attraktives VergĂŒtungspaket, inkl. monatlichem steuer- und SV-freier Fahrtkostenzuschuss in Höhe von 50,00€
    • Betriebliche Altersvorsorge mit 20% Arbeitgeberzuschuss
    • Individuelle Weiterbildungsmöglichkeiten und regelmĂ€ĂŸige Schulungen
    • Kollegiales Umfeld, kurze Entscheidungswege und offene Kommunikation
    • Abwechslungsreiches Aufgabenspektrum und eigenverantwortliches Arbeiten
    • Flexible Arbeitszeiten und Möglichkeit des mobilen Arbeitens
    • Modernes BĂŒro mit höhenverstellbaren Tischen, Klimaanlage, barrierefreie RĂ€umlichkeiten
    • Erstklassige ĂŒberregionale und regionale Verkehrsanbindung sowie kostenlose Mitarbeiter-ParkplĂ€tze (einschließlich kostenpflichtiger E-Ladestationen eines Drittanbieters)
    • Technische Ausstattung (Notebook, Docking Station, Bildschirm, Mobiltelefon)

Wir freuen uns auf Dich und Deine Bewerbung! đŸ€©

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Position Details

    • Job Title: (Senior)Service Manager Mobilfunk B2B Key-Account Energiewirtschaft
    • Company / Organisation: prettyTELCO GmbH
    • Location: Cologne
    • Employment Type: Full-time
    • Field / Industry: Software Development
    • Work Arrangement: On-site or hybrid - Cologne

About This Opportunity

This full-time opportunity at prettyTELCO GmbH is an excellent opening for experienced professionals in the field of software engineering and technology. The role is structured around an on-site or hybrid environment based in Cologne and is designed for candidates who are ready to make a meaningful contribution from the moment they join.

Based in Cologne, this role offers the opportunity to collaborate closely with a local team in a structured professional environment. Candidates currently based in the area or open to relocation are strongly encouraged to apply.

Whether you are an established practitioner in software engineering and technology or a highly skilled professional looking for your next challenge, this (Senior)Service Manager Mobilfunk B2B Key-Account Energiewirtschaft role offers the platform to apply your expertise in a real-world, results-oriented environment. prettyTELCO GmbH is looking for a candidate who can hit the ground running and add genuine value to the team.

Who Should Apply

This role is ideal for candidates who have a solid background in software engineering and technology and a demonstrable track record of delivering high-quality results. You should possess analytical thinking, attention to technical detail, and a methodical approach to problem-solving. Experience working with modern development tools, version control systems, and cloud platforms will be an advantage, though a commitment to continuous learning and professional development is equally valued.

Beyond technical or domain expertise, prettyTELCO GmbH is looking for someone who communicates clearly, collaborates effectively with colleagues and stakeholders, and takes ownership of their work from start to finish. If you thrive in a professional environment and are passionate about the opportunity to build reliable, scalable, and high-performing digital products, we encourage you to apply.

Key Competencies for This Role

Successful candidates for the (Senior)Service Manager Mobilfunk B2B Key-Account Energiewirtschaft position at prettyTELCO GmbH will typically demonstrate the following core competencies:

    • Domain expertise - a strong foundation of knowledge and hands-on experience in software engineering and technology
    • Problem-solving ability - the capacity to identify challenges, think critically, and implement practical solutions efficiently
    • Communication skills - clear and professional communication with colleagues, stakeholders, and partners at all levels
    • Self-management - strong time management and the ability to prioritise a varied workload while meeting deadlines
    • Team collaboration - a collaborative and supportive approach to working alongside colleagues across departments or locations
    • Adaptability - the ability to respond positively to change and thrive in a dynamic, evolving work environment

How to Apply

To apply for this (Senior)Service Manager Mobilfunk B2B Key-Account Energiewirtschaft position at prettyTELCO GmbH, click the "Apply Now" button on this page. You will be taken directly to the official application page where you can complete and submit your application.

Before applying, please ensure that your CV or résumé is fully up to date and clearly highlights your experience and accomplishments in software engineering and technology. If a cover letter is included or requested, tailor it specifically to this role and explain how your background, skills, and goals align with what prettyTELCO GmbH is looking for in a (Senior)Service Manager Mobilfunk B2B Key-Account Energiewirtschaft.

All applications for this role are processed directly by prettyTELCO GmbH. Career Nest facilitates the job discovery process and does not pre-screen or forward applications on behalf of employers. There are no fees for job seekers at any stage of the application process.

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