
maincubes · Frankfurt am Main
WILLKOMMEN IM TEAM! – WER WIR SIND UND WAS WIR TUN DEIN WEG FÜHRT DICH ZU UNSEREM CONSTRUCTION-TEAM: Hier gestalten und implementieren wir modernste Rechen...
Hier gestalten und implementieren wir modernste Rechenzentrums-Infrastruktur. Als Mechanical Engineer/Designer (w/m/d) spielst du
eine Schlüsselrolle bei der Entwicklung anspruchsvoller technischer Lösungen, die den hohen Anforderungen unserer Projekte gerecht
werden. In enger Zusammenarbeit mit Projektleitern, Engineering-Teams und externen Partnern gestaltest du mechanische Systeme, die
unsere Rechenzentren effizient, zuverlässig und zukunftssicher machen. Wenn du technische Präzision liebst, Herausforderungen
gerne angehst und Freude daran hast, Ideen in funktionale Designs zu verwandeln, kannst du bei maincubes wirklich etwas bewegen.
Der Mechanical Engineer/Designer (m/w/d) übernimmt die Verantwortung für das mechanische Design von maincubes Projekten. Diese
Rolle verbindet technische Expertise im Design, Testen und Optimieren mechanischer Systeme als unterstützender Fachexperte für das
Development-Team.
regulatorischer Standards
und Ausschreibungen
PUE-Ziele
Bauvorschriften für mechanische Systeme
Auftragnehmern
gemeinsam die passende Lösung
Start-up-Charakter, das offen für neue Ideen und veränderungsbereit ist
Einrichtung, Snacks etc.
DU WILLST DIE ZUKUNFT NACHHALTIGER RECHENZENTREN MITGESTALTEN?
Dann bewirb Dich schnell und einfach online mit deinem Lebenslauf.
Wenn du noch Fragen hast, melde dich gerne bei mir. Ich bin Benjamin und begleite dich durch den
Bewerbungsprozess: jobs@maincubes.com
WILLKOMMEN IM TEAM! – WER WIR SIND UND WAS WIR TUN Dein Weg führt Dich in den Fachbereich Construction: Hier – im inspirierenden Umfeld unserer Rechenzentren – planst und steuerst Du komplexe Projekte im Rechenzentrumsbetrieb, um eine optimale technische Infrastruktur zu gewährleisten. Du bist der Dreh- und Angelpunkt bei der Umsetzung wichtiger Infrastrukturprojekte und sorgst dafür, dass unsere Projekte termingerecht, kostenbewusst und qualitativ hochwertig abgeschlossen werden. DEIN BEITRAG ZUM ERFOLG Wir entwickeln die modernsten Rechenzentren und wachsen kontinuierlich. Wir suchen für unsere Projekte in Frankfurt die Position als Senior Project Manager (w/m/d). Zurzeit laufen bereits verschiedene Projekte in Frankfurt und Umgebung und wir würden uns freuen, wenn Du an zentraler Stelle für uns tätig wirst. Mit den neuen Rechenzentren unterstreicht maincubes seine Wachstumsambitionen: Aktuell verfolgt das Unternehmen vier große Bauprojekte allein im Rhein-Main-Gebiet und in Berlin/Brandenburg, die in den kommenden Jahren eine Rechenzentrumsleistung von über 250 MW bereitstellen werden. DAS BIST DU: EIN PROFI MIT PERSÖNLICHKEIT * Technische Ausbildung: Bachelor-Abschluss oder gleichwertiger Abschluss in Maschinenbau oder Elektrotechnik, Bauprojektmanagement oder Baumanagement * Erfahrung: Mehr als 5 Jahre Erfahrung in technisch anspruchsvollen Umgebungen zeichnen Dich aus. * Fachwissen: Du hast langjährige Erfahrung im Projektmanagement mit Bauprojekten, bestenfalls im Rechenzentrumsumfeld * Sprachkenntnisse: Du sprichst fließend Deutsch und gutes Englisch * Persönlichkeit: Eigenverantwortung, Ergebnisorientierung, Offenheit und ein lösungsorientiertes Mindset gehören zu Deinen Stärken. Für Dich gibt es keine Probleme, nur Herausforderungen DAS IST FÜR DICH DRIN * It’s all about the money, money – und das wissen wir auch, daher gibt es eine attraktive Vergütung, plus Bonus und Schichtzulagen * Betriebliche Altersvorsorge und vermögenswirksame Leistungen * 30 Tage Urlaub * 20 Tage Workation * JobRad * Eine hybride, hochflexible Arbeitswelt, die sich an deine Wünsche und Bedürfnisse anpasst. Ob Voll- oder Teilzeit – wir finden gemeinsam die passende Lösung * Corporate Benefits: Mitarbeitervergünstigungen bei zahlreichen Marken und Onlineshops * 50 € monatlicher steuerfreier Sachbezug über die Spendit-Card – zusätzlich zum Gehalt * Ein vielseitiges Angebot passgenauer Schulungen, die Dich Deinen Zielen näherbringen * Ein langfristig sicherer Arbeitsplatz mit spannenden Entwicklungsmöglichkeiten in einem finanzstarken Unternehmen mit Start-up-Charakter, das offen für neue Ideen und veränderungsbereit ist * Wir wollen niemanden ins Büro zwingen, aber wir machen es attraktiv für dich hier zu sein mit netten Kolleg:innen, moderne Einrichtung, Snacks etc. * Gelebter Teamspirit mit Weihnachtsfeiern, Teamevents und mehr DU WILLST DIE ZUKUNFT NACHHALTIGER RECHENZENTREN MITGESTALTEN? Dann bewirb Dich schnell und einfach online mit deinem Lebenslauf, inkl. Angabe in welche Richtung deine Karriere gehen soll. Wenn du noch Fragen hast, melde dich gerne bei mir. Ich bin Benjamin und begleite dich durch den Bewerbungsprozess: jobs@maincubes.com
JOIN YOUSICIAN Yousician impacts and enriches the lives of millions of people by empowering them to play music they love, learn something new, and nourish their well-being. We merge music and tech to amplify the everyday. We reimagine the way people learn to play so that everyone can play. And, you don't need to be a musician to join Yousician! We're a band of passionate professionals who love what they do, are great at it, and move to the beat of the same drum. We're for all players: from newbies to seasoned pros. If you are looking for a rewarding career opportunity that helps shape the future of music-tech, you're in the right place! MAKE MUSICALITY AS COMMON AS LITERACY At Yousician, we reimagine music education for a billion people. Our products, Yousician and GuitarTuna, are the world's leading music learning and tuning apps, used by millions of people to learn, play, and tune their instruments every day. We believe subscription revenue is won in the details, not in the pitch deck. Paywall copy, trial lengths, price points, renewal offers, reactivation campaigns: each one is a craft, and each one moves the number when it is done right. We are hiring a Product Manager with strong monetization craft to run experimentation across both of our products THE ROLE Your mission is clear: you help turn players into paying subscribers, and keep them, across Yousician and GuitarTuna. You will run paywall, pricing, and offer experimentation end to end for both products. Hypothesis, brief, ship, readout, decision. You will maintain the live revenue forecast that ties every test back to the quarterly plan, and reconcile it monthly against what actually landed. Multiple tests run every week. Every one of them has a written brief and a clean readout. This is a senior specialist role. You come in with a point of view on paywall mechanics, price point elasticity, trial length trade-offs, holdout discipline, and primary-metric selection. You will report to the Head of Revenue and work closely with them to translate monetization priorities into a concrete experimentation roadmap. You will work day to day with embedded engineers on both products, a test designer, and a data partner. You are a strong monetization specialist and a key thought partner on experimentation, pricing, paywalls, and offers. WHAT YOU'LL DO * Run the Experiment Cadence: Own the weekly operating rhythm for monetization experimentation across both products, including planning, launch readiness, readouts, and decision follow-through. Ensure each experiment has a clear hypothesis, success metric, guardrails, and decision rule before it goes live. * Own the Test Portfolio Execution: Translate agreed monetization priorities into a concrete test roadmap across Yousician, GuitarTuna mobile, and the GuitarTuna web experience. Design variants, write briefs, specify subscription-platform configuration, and work with engineering on delivery. * Maintain the Revenue View: Maintain the live monetization forecast and experiment-level revenue view, and help reconcile plan vs actual together with the Head of Revenue and Finance. * Partner with Finance on Pricing: You build the case for every price change, walk Finance through the numbers, and manage the rollout across iOS, Android, and Web with the regional and store constraints that come with it. * Keep the Scorecard Honest: Maintain the weekly Monetization Tracker and experiment readout cadence, ensuring that key metrics, forecasts, and decisions stay consistent and reliable. Partner with the Head of Revenue, Data, and Finance to investigate mismatches and keep the monetization view decision-ready. WHO YOU ARE * You bring strong monetization craft: You have shipped across the full spectrum: paywall copy, paywall placement, price points, trial variants, intro offers, winback campaigns. You know where the wins usually come from and where the traps are. * You are resourceful and proactive: You do not wait for perfect conditions. You can spot practical opportunities, identify problems worth solving, and move things forward in an under-resourced or ambiguous setup. Whether through tooling, lightweight prototyping, or creative cross-functional problem solving, you know how to turn momentum into shipped work. * You think in numbers: Baseline, uplift, volume, EUR. When you pitch a test, you already know what it is worth. When you kill one, you can explain why in one sentence. * You have opinions on methodology: You have views on MDE-setting, holdout design, sample ratio mismatch, guardrail thresholds, and sequential testing. You can defend them and you update them when the data tells you to. * You decide by the data: You have killed winning-looking tests when the stats did not support them, and you have shipped underwhelming-looking ones when the logic did. You do not fall in love with hypotheses. * You understand the full system: Monetization decisions do not live in isolation. A price change can affect winbacks, a paywall test can change retention, and a trial decision can shift downstream value. You can think across the full subscriber lifecycle and make decisions with LTV in mind, not just immediate conversion. * You communicate directly: You write briefs that engineers can build and readouts that Finance can trust. Conclusion first, numbers second, caveats third. REQUIREMENTS * 5+ years in monetization, paywall, pricing, or subscription PM roles at a consumer subscription business. Mobile preferred, web acceptable. * Shipped at least 30 paywall, pricing, or offer experiments you personally scoped, briefed, and read out. * Fluency with experimentation platforms such as Eppo, Statsig, GrowthBook, Optimizely, or an in-house equivalent. You understand how metrics, guardrails, and variants are configured, and can work effectively with data and engineering to ensure experiments are set up correctly. * Working knowledge of mobile subscription mechanics: trial lengths, intro offers, grace periods, renewal cycles, refund behaviour on iOS and Android. * Strong analytical fluency with SQL familiarity. You are comfortable validating analysis, interrogating results, and partnering closely with analysts on experiment readouts. * Ideally, you have direct experience with RevenueCat, Adapty, Purchasely, or a comparable subscription platform. * Excellent written and verbal English communication skills. * Based in Berlin or Helsinki. WHY YOU'LL LOVE WORKING HERE * Impact: Your work directly influences the P&L across two products with millions of users. The tests you ship translate into EUR every week. Few PM roles have such a short feedback loop. * Ownership: You own the monetization experimentation engine and have direct influence on how monetization ideas are shaped, tested, and scaled. You work closely with the Head of Revenue to translate strategy into shipped outcomes. * Culture: We are a band, not just a company. We have jam sessions in the office, great gear, and a team that cares about the mission. * The Basics: Competitive salary, lunch benefits, culture vouchers, and a modern office in Helsinki and Berlin. HOW TO APPLY Please submit your CV and a brief cover letter describing the last paywall, pricing, or offer experiment you shipped. Tell us the hypothesis, the result, the decision you made, and what you would do differently next time. Let's help the world play! ABOUT US Yousician is the world's largest music-tech company, with millions of users worldwide. Based in Helsinki, Finland, Yousician is home to the category-defining Yousician and GuitarTuna apps. Yousician, the #1 platform to learn and play music, makes learning fun, easy, and more accessible for everyone. Yousician's innovative, award-winning technology listens to you play and gives instant feedback. With interactive, gamified lessons and songs, and courses by world-famous artists like Metallica, Billie Eilish and more, Yousician empowers people to play music they love. Today Yousician employs 100+ professionals from nearly 30 nationalities. We're hiring, so come join our amazing team and help us make the world a more musical place! SHAPING MUSIC TOGETHER - WITH EVERY VOICE At Yousician, we’re on a mission to make musicality as common as literacy, and key to that is building a team as diverse as the people we serve. As part of our ongoing journey towards building a diverse, equitable and inclusive culture and in accordance with our core values, we welcome applications from all individuals, regardless of background, age, race, color, ethnicity, religion, disability, gender, sexual orientation, family status, education, socioeconomic status or any other characteristic. People with severe disabilities will be given preference if equally qualified. If you have a disability, special needs, or require any specific needs or support during the application process, please feel welcome to inform us and we’ll gladly provide the support you need during the application and interview process. We’re here to make music more accessible and that includes the path to joining our team. CANDIDATE PRIVACY Here at Yousician, we take your privacy seriously. We only process your personal data for recruiting purposes. You can read more about candidate privacy in our Privacy Notice.
SR PROJECT MANAGER Job Details Full Time / Part Time: Full Time FLSA Classification: Exempt Business Unit: Chemistry Reports to: Sr. Director of Engineering Travel Requirement: 30% Job Description Select Chemistry’s Sr. Project Manager will be responsible for driving capital projects by holding safety, quality, and efficiency with utmost importance. Manager will be accountable for all onsite personnel supporting projects by supporting the delivery of safe, optimal and environmentally sound operations, using basic technical and analytical capabilities to improve operational performance. Seeking a highly motivated, self-starter with a growth mind set and track record of exceptional delivery in a dynamic work environment. Your work will focus on leading Select Chemistry’s Capital and Expense efforts. The essential job functions include, but are not limited to * Maintain protection of the environment and the health and safety of our employees, customers, and the communities in which we operate and/or transport our products as our highest priority. * Working knowledge of relevant standards for mechanical equipment in chemical plant environment including process piping, pressure vessels, and storage tanks. * Manage and coordinate third party services and contractors * Assist in design work with engineering and manufacturing on project work * Cost estimation for budgeting in capital requests * Identify, evaluate, develop, specify, justify, install, and start-up process improvements to enhance operating reliability, reduce manufacturing costs, and reduce energy usage. * Oversee projects at facilities with onsite presence during installations * Manage projects from conception through commissioning, including coordination with city officials, contractors, and plant personnel. * Conduct PSSR and MOC meetings * Represent and/or assist production in matters of evaluation, selection and coordination and control of vendors supplying necessary operating services, consulting services, materials, equipment and other needs of operation. Other duties Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice. Requirements To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required: * Bachelor’s Degree in Engineering or Construction Management Discipline (Preferred). * Strong interpersonal and communication skills. * Experience in capital projects, maintenance, reliability, or related engineering field. * Strong proficiency with MS Office Suite – Excel, Word, Outlook and query tools. * Ability to prioritize tasks to achieve deadlines in a changing environment. * Change promoter who can develop and motivate others. * Hands on attitude to get things done with the ability to manage change to a successful conclusion. Desired experience * 5-10 years of Project Management experience * Proficient in mechanical and electrical layouts * CAD Experience and/or ability to read drawings Select Values and Guiding Principles * W: Working Safe * A: Accountability * T: Teamwork * E: Excellence * R: Respect Compensation Information Compensation is competitive and commensurate with experience. Top Tier Benefits * Medical, dental, vision, coverage in addition to life and disability insurance plans. * Retirement and Savings (401K) Plan with Company match. * Referral bonus with no cap on amount of referrals. Physical Demands and Exposures * This position works inside a climate-controlled environment. The Company will supply adequate training and equipment to perform the functions of the job. * Monday – Sunday, overtime as required (24hr business operations). * Involves sitting at a desk for extended periods of time. * Needs high degree of concentration in a busy area. * Ability to lift up to 25lbs.