ista SE | Germany | 45xxx Essen | Permanent position | Full time | Published since: 07.08.2026 on stepstone.de
Manager IT-Security (f/m/d) – Application Security
Manager IT-Security (f/m/d) – Application Security IT / Essen Headoffice / Hybrid / Full-time / iSE02710 Contract Title according to the Internal Career Path 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. .
* After clicking the Read more button, the original advert will open on our partner's website, where you can see the details of this vacancy and contact information. If you need a translation of this text, after returning to our website it will be prepared and you can read it by clicking the Show full translation button.
Your tasks • Your profile • What we offer
Manager IT-Security (f/m/d) – Application Security IT / Essen Headoffice / Hybrid / Full-time / iSE02710 Contract Title according to the Internal Career Path 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.
At ista, we empower property owners and to operate their buildings in a future proof, energy- efficient, and digital way. To achieve this, we develop and run a wide range of business critical applications and digital platforms. In this role, you will acquire the advancement of our application security landscape and work closely with international development and platform teams to ensure that security is embedded from the very beginning in applications, products, and architectural decisions. Together with our development teams, you will foster a culture where secure software development becomes the norm and security is recognized as a shared factor. Drive the evolution of our Application Security strategy and embed Security- by- Design and Security- by- Default principles across international software development teams Advise Product Owners, Developers, Architects, and Platform Teams on the secure development and operation of applications Define and establish standards, frameworks, and secure coding guidelines based on best practices as OWASP, Microsoft SDL, NIST SSDF, and ISO 27034 Conduct security reviews, threat modeling sessions, and architecture assessments to identify and evaluate application security risks Integrate security requirements and tools search as SAST, DAST, SCA, Secret Scanning, and Container Security into modern development and CI / CD processes Collaborate close with Development Squads, Platform Engineering, Architecture, and Pentesting Teams to remediate vulnerabilities and implement security requirements sustainably Build and enhance an international Secure Development Community through training programs, Security Champion initiatives, and continuous knowledge sharing Monitor emerging threats, vulnerabilities, and trends in Application Security and assess their relevance for isa
Several years of experience in Application Security, Secure Software Development, or Software Architecture Strong understanding of modern software development processes and secure development methodology Hands-on experience with OWASP Top 10, OWASP ASVS, OWASP SAMM, and relevant secure coding standards Knowledge of Threat Modeling, Security Architecture Reviews, and Vulnerability Management Experience with cloud technologies, web and API security, as well as modern development platforms and CI / CD processes Ability to communicate technical risks effectively and guidance to a wide range of stakeholders Excellent communication skills with the ability to successfully build, engage, and nurture communities, combined with a pragmatic and solution- oriented mindset; fluent English required, German language skills are 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 Shape the future of secure software development: Take on a key role in building and advancing Application Security at isa and make a lasting impact on security standards, processes, and our international Secure Development Community 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! !
Location
![]() | ista SE | |
| 45131 Essen | ||
| Germany |
The text of this ad was translated from German into English using an automatic translation system and may contain semantic and lexical errors. Therefore, it should be used for introductory purposes only. For more detailed information, see the original text of the ad at the link below.
For more information read the original ad