Arbeitgeberfirstcolo is an operator of high-availability data centers with core competencies in the areas of colocation, managed services, cloud and network security. With two in-house state-of-the-art data centers in the immediate vicinity of the world's largest Internet hub in the financial metropolis of Frankfurt am Main, we put our diverse business partners in the digital fast lane. In order to continue designing and implementing first-class, state-of-the-art IT infrastructures in the future, we always act with team spirit, respect and trust towards our employees and our business partners. At firstcolo, you would strengthen the Managed Service team, which takes care of firstcolo's IT itself as well as designing, setting up and operating customer setups in firstcolo's data centers. We use a variety of technologies, but most of them are Linux (Debian/Ubuntu) based. To strengthen our team we are looking for you as Senior System Administrator Linux (m/f/d) Permanent, full-time or part-time (min. 30 hours) Tasks You design, administer and take responsibility for our own server landscapes and customer infrastructures. You are the contact person for the development and project planning of system solutions under Linux You analyze and rectify any faults that occur and process requests via the ticket system, including on-call service You support our customers and the specialist departments with queries and quotations. Requirements You have several years of professional experience in Linux server administration (administration of 24/7 production systems or data center experience is an advantage), ideally Debian and/or Ubuntu Experience with OPNSense/pFSense, CEPH as well as Windows know-how (in the operation of servers, i.e. Windows-AD / Exchange / Office365) would be a plus. You are an all-rounder and are interested in familiarizing yourself with new technologies You work carefully and are aware of your responsibility for our customers' infrastructure Good English skills are an advantage. Your advantages Hybrid working: Combine the best of both worlds and meet your colleagues on site and online. Workation: You can work flexibly under palm trees in the European Economic Area up to 40 days a year. Delicious lunch at company expense: Enjoy delicious meals at our office on Tuesdays and Thursdays and enjoy a huge selection of drinks and snacks, including muesli from MyMu00fcsli and delicious yogurts. Your rest: 30 days is standard with us. Health promotion: We value your well-being, with offers to promote your physical and mental health, for example with Walk`n Talk, EGYM, or OpenUp. Promoting young talent: We subsidize the daycare place with up to 150 euros net per month. Discover your opportunities: We offer you various training and development opportunities for the next step on your personal development journey. Time together: Successes are better when they are celebrated together - summer party, Christmas party and team events. Application Are you interested in varied projects and a wide range of tasks? Do you really thrive on teamwork? Are you passionate about what you do and dare to step out of your comfort zone? Do you want to play an active role in shaping our future? Then we look forward to receiving your application! We don't need a cover letter, but we are curious to know what interests you about this position. We will get back to you as soon as possible after we receive your application. Contact personFor questions about the application process, please contact Sophie from our HR team. She looks forward to hearing from you on 069 1200 69 274.TypeFull-time or part-time (min. 30 hours)PositionExperienced professional (m/f/d)Fixed termFixed-termCompany areaOperations, system and network administrationWork locationFrankfurt

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