mobile.de is Germany’s largest vehicle marketplace, with more than 1.6 million listed cars, commercial vehicles, motorcycles, and e-bikes. Both private customers and registered vehicle dealers use the platform and benefit from more than 120 million visits per month. As a “one-stop shop,” mobile.de’s offering includes not only buying and selling, but also financing and leasing solutions. Founded in 1996, the company is a subsidiary of Adevinta, a global leader in online classified portals.

Based in Berlin-Charlottenburg, we offer a dynamic environment where growth, learning, and collaboration are at the heart of everything we do.If you are driven by an eagerness to disrupt, have a passion for collaboration, and are excited about shaping the future of mobility, we would love to hear from you.

mobile.de is an equal opportunity employer and we value diversity. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status.

What we offer

Meaningful Work: We are a diverse, international, highly skilled and passionate team committed to a world where people share more and waste less. Every day you will have the opportunity to make a huge difference for our users, customers as well as shape the future.

Embracing AI: We're at the forefront of integrating cutting-edge AI technologies into our operations. Being part of mobile.de you will work with and learn about AI tools, contributing to projects that leverage AI to enhance efficiency, improve customer experiences, and drive our mission forward. With an AI-first mindset, we foster a culture of continuous learning and experimentation, empowering our team to explore and apply AI in meaningful ways for the company and themselves.

Growth and Development: We are a global organisation who truly believes in growing our people. To support this we offer lots of development and training opportunities and provide a budget for our team members.

Connection and Inclusion: Our culture is the glue that holds us together. We believe in making meaningful connections and creating an inclusive atmosphere with lots of opportunities to connect both in your day to day work and through social team activities (online and offline)

What you’ll do ​& Who you are

The Team

The IT Enterprise Team empowers mobile.de by delivering robust systems and seamless integrations that enable every department to work efficiently and securely. We manage and optimize collaboration platforms, identity and access management, and core business applications—ensuring smooth operations across the company. Our focus areas include automation, process improvement, and security, with a strong emphasis on user enablement and reliable service delivery. We’re constantly evolving, adopting new technologies and best practices to meet the growing needs of our business. As part of our hybrid work culture, the team comes together weekly in our Berlin office—for collaboration and knowledge sharing. We believe in proactive support, continuous learning, and creating an environment where everyone can do their best work.

We are seeking an accomplished Senior Enterprise Systems Integration and Support Engineer (d/f/m) to join our IT Enterprise Team. In this senior role, you will take ownership of the design, optimization, and secure operation of our critical business systems, with a focus on collaboration platforms and Identity & Access Management (IAM). You will lead complex projects, mentor team members, and act as a technical authority, collaborating with cross-functional teams to set standards, drive automation, and deliver innovative solutions that support our business objectives.

Key Responsibilities

• Lead the maintenance, optimization, and troubleshooting of Slack workspace configurations and integrations
• Oversee Google Workspace administration, including advanced user management, application integrations, and automation
• Drive improvements in ITSM workflows, incident management processes, and service delivery
• Architect and implement automation solutions to enhance collaboration efficiency and user experience
• Manage and optimize Okta applications and integrations, ensuring security and scalability
• Develop, enforce, and continuously improve security policies, procedures, and compliance frameworks
• Design and maintain retention automation systems for data governance and regulatory compliance
• Lead security assessments, remediation strategies, and participate in transition and migration projects
• Serve as an escalation point for complex technical issues and mentor junior team members
• You may also be required to take on on-call duties in the future as our operational needs evolve

Required Qualifications:

• Bachelor’s in Computer Science, Information Systems, or related field
• 7+ years with collaboration platforms (e.g., Slack, Google Workspace)
• 5+ years with IAM solutions (Okta, Sailpoint, etc.)
• Strong knowledge of security frameworks, compliance, and data retention
• Skilled in automation (Bash, Python, APIs) and cloud/hybrid environments (AWS, GCP)
• Familiar with compliance standards (NIS2, SOX, GDPR)
• Experienced in ITSM tools, process optimization, and service delivery
• Proficient in leveraging AI for automation and smart solutions
• Excellent troubleshooting, communication, and stakeholder management
• Proven leadership in complex projects and technical mentorship
• Strategic, proactive, and committed to continuous improvement
• Core Competencies & Attributes
• Systems thinking and holistic solution design
• Expert technology advice and agile methodologies
• Strong technical communication and troubleshooting
• Lifelong learner, self-starter, and champion of innovation
• Critical thinker, process optimizer, and reliable under pressure (including on-call support)

This is a solid career opportunity where technical expertise can be continuously developed and applied to solve increasingly complex business challenges. The successful candidate will have the chance to become a recognized internal expert while contributing to the organization's strategic goals.

Benefits

Working at mobile.de comes with its perks! Enjoy the following benefits (some of many):

• Rewards: competitive base salary and participation in the company’s incentive programs.

• Plan for the Future: On top of the statutory retirement insurance, we offer a competitive company pension scheme.

• Team-Building: Regular team and company events offer the opportunity to network and learn from each other.

• Learning & Development: Keep growing with access to coaching, learning platforms and resources.

• Mobility: Stay mobile with a monthly transportation allowance.

• Enjoy working: Our well‑equipped office supports focused work and teamwork - plus inviting social zones where colleagues can relax and connect

• Flexible working: a hybrid approach with the option to work abroad for a set number of days per year.

• Wellbeing: confidential employee assistance and support services available to employees and their immediate families.

• Family support: enhanced parental leave and family‑friendly policies to support all parents and careers.