Key Account Manager – Energy Sector

IT Sonix Custom Development GmbH

. Continuously build and strengthen relationships with top-tier energy-sector accounts as a strategic partner for the energy transition .

Posted 11/7/2026full-timeRemote • GermanyJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in B2B sales within the energy sector, with a strong focus on compliance with industry regulations and the ability to advise on smart metering and AI applications. Possesses excellent communication skills and a robust network in the energy industry to effectively promote agile methodologies and customized software solutions.

Highest-signal resume keywords

B2B Sales ExperienceEnergy Sector KnowledgeAgile MethodologiesSmart MeteringGerman Language Proficiency

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Sales Pipeline DevelopmentSmart Grid ManagementAI Load ForecastingData SecurityScrum MethodologyIndustry Regulation ComplianceSoftware Solution DesignStakeholder ManagementNegotiation SkillsCommunication Skills

Soft Skills

Relationship BuildingDiplomatic ExpertisePromoting Agile CultureCollaboration

Industry Keywords

Energy TransitionUtilities SectorKRITIS RequirementsBSI GuidelinesIT Security CatalogueEnergy TradingGrid OptimizationAgile CoachesUI/UX DesignEnergy Consultancy

About the role

Key responsibilities & impact

Continuously build and strengthen relationships with top-tier energy-sector accounts as a strategic partner for the energy transition
Build a sustainable sales pipeline
Represent IT Sonix at relevant industry events, such as E-world
Advise decision-makers on smart metering, smart grid management, and the use of AI for load forecasting or grid optimization
Be responsible for sales in strict compliance with critical industry regulations, such as KRITIS requirements, BSI guidelines, and the IT Security Catalogue
Work closely with agile coaches, UI/UX designers, and software developers
Co-design customized, highly secure software solutions

Requirements

What you’ll need

Successfully completed degree in industrial engineering, business informatics, business administration, or a comparable qualification with a strong focus on the energy sector or IT
Several years of demonstrable B2B sales experience in the utilities sector, or extensive experience at an energy supplier or energy consultancy
Strong understanding of industry processes, including generation, grids, sales, and trading
Strong affinity for modern software architectures, AI use cases, and data security
In-depth knowledge of agile methodologies, particularly Scrum
Ability to represent and convincingly promote an agile culture to customers
Excellent communication and negotiation skills at management level
Diplomatic expertise in dealing with complex stakeholder structures
Strong network within the energy industry
Very good written and spoken German

Benefits

Comp & perks

Stable career prospects through long-term customer relationships and ongoing projects
Flexible working hours to support work–life balance
Opportunities for mobile working and workation in accordance with company policies
Transparent structures with short decision-making paths
Team activities, including optional after-work gatherings, events, and excursions
Health and well-being benefits, including sports and health programs, massages, and a company bike scheme
Targeted support for your personal development, including language courses and internal expert presentations
Small everyday extras, such as lunch twice a week and fresh, locally sourced fruit every day