Manager IT Security (m/f/d) – Vulnerability Management and Pentesting

Manager IT Security (m/f/d) – Vulnerability Management and Pentesting IT / Essen Headoffice / Hybrid / Full time / iSE02706 Welcome to ista At ista, we support property owners and in making their buildings fit for the future and kind to the planet. That includes tracking and billing energy consumption in a way that's easy to grasp, to help save energy and cut CO2 emission. With over 6,600 employees in 21 countries, we're committed to making it happen. Join us and help shape tomorrow, secure in the knowledge that you're part of a successful company that so offers you the flexibility of agile working practices. Everyone is welcome at ista, independence of age, gender, background, sexual orientation, religion, or disabilities. We're proud to be part of a diverse team. Fostering a culture of team spirit and togetherness, we are always there for one another. We set great store by ensuring a healthy work-life balance for our people. Plus, we offer each and every employee the opportunity to pursue further training and personal development.

You drive the continuous development of our technical Vulnerability and Exposure Management capabilities and contribute to the sustainable reduction of security risks across the organization You operate, optimize, and further enhance our Tenable-based security tool landscape, including dashboards, reporting, training initiatives, and KPI-drive analytics Through the analysis of vulnerabilities, misconfigurations, and security risks across IT systems, applications, cloud environments, and infrastructure, you derive effective remediation strategies and risk mitigation measures You lead the planning and coordination of penetration testing across web, API, cloud, mobile, and infrastructure environments, helping to proactively identify and mitigate security vulnerabilities Close collaboration with tibes, squads, product owners, and IT operations teams engaging you to support risk prioritization, SLA compliance, and the sustainable implementation of remediation measures You manage and optimize processes related to security exceptions, risk acceptances, and compensating controls, while embedding security requirements early into development and operational processes, especially in areas such as Secure Development Lifecycle, third- party components, container security, and cloud security Working close with internal and external stakeholders, you prepare management- ready security insights and represent IT security in projects, technical discussions, and cross-functional initiatives

Several years of experience in IT security, ideally with a focus on vulnerability management, exposure management, cloud security, or security operations, form the foundation of your profile A solid understanding of modern IT and cloud architectures, identity and access management, software development, and operational IT processes involved you to navigate complex security environments confidence Hands-on experience with industry- leading security tools, search as Tenable, Burp Suite, Nmap, Nessus, or OWASP ZAP, you to transform security data into meaningful analyses, reports, and actionable recommendations Technical, regulatory, and internal security requirements arevermittlung into pragmatic processes, effective controls, and sustainable security measures In-depth knowledge of common attack techniques, vulnerabilities, and corresponding countermeasures, combined with practical experience in conducting web, API, cloud, and infrastructure tests, rounds out your technical expertise A structured, analytical, and solution- oriented mindset, paired with the ability to communicate complex topics clearly and effectively to different audiences, distinguishes your way of working Strong initiative, consulting skills, and a collaborative mindset enable you to thrive in an international environment; professional fluency in English is essential, while German language skills are considered an advantage

Do the right thing with purpose and a future: Our services save CO2 and protect the environment – we are working for a sustainable world of tomorrow Enjoy many benefits: Look forward to an attractive salary, 30 days' vacation per year and flexible working hours including the opportunity to work up to 50% of the week on a mobile basic Secure good prospects for yourself: We are an success company with agile working methods and an open corporate culture; our future course offers you long-term and excellent career options Stay curious and develop yourself further: Standing still is not an option for us, which is why we support you in every aspect of your development – a variety of learning opportunities await you Experience a working environment full of trust: We all pull together Have fun in a motivated team: Whether it's a barbecue event, international soccer or ice cream for everyone in summer – we always come up with something new, so stay tuned! !