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You define and own the product security strategy for our global portfolio and establish the policy framework for secure development, security baselines, and release criteria....

• Develop and specify cryptographic communication protocols
• Design cryptographic systems, such as key management and multi-device synchronization
• Lead Threema's migration to quantum-safe cryptography, together with the cryptography researchers at IBM Research

• Design new protocol features and extensions, such as multi-device sync, group messaging and calls, and write the specifications for them.
• Implement protocol logic in and review implementations across our Android, iOS, desktop and web clients.

• Support the definition and implementation of security architecture principles and standards
• Contribute to designing secure solutions across cloud and on-premise environments
• Translate business and technical needs into practical and scalable security solutions (with guidance)

• Design and implement cloud security controls across AWS, Azure, and GCP
• Build security automation using CI/CD pipelines, Infrastructure as Code, and Policy as Code
• Develop automated compliance checks and remediation workflows

• Contribute to the definition and implementation of the cyber security strategy, aligned with Group standards and business needs
• Identify and assess cyber security risks and define appropriate mitigation measures in collaboration with IT, Risk and Compliance

• You plan and coordinate vulnerability tools, scans, and offensive security testing, classify findings, lead weekly triage meetings, enforce SLAs, and escalate breaches
• Using your technical judgment, you assess the severity, exploitability, and exposure of findings to help teams prioritize remediation

Security Architecture &; Cloud Guardrails: You will take technical ownership of the security architecture and controls across our Azure environment - from Defender for Cloud and Microsoft Sentinel to Log Analytics. You will build and maintain the corresponding guardrails directly in Terraform....

• Act as the primary Business Continuity Management (BCM) contact at E.ON SE
• Implement and oversee BCM policies, standards, and strategic roadmaps
• Lead Business Impact Analyses (BIAs) and identify critical processes and dependencies
• Coordinate BCM audits, testing activities, and remediation actions

• Design, implement and operate secure and highly automated infrastructure in an on-premise private cloud
• Build and maintain Linux-based systems and Kubernetes environments
• Deploy and operate security monitoring and detection solutions, including SIEM platforms

Develop and continuously improve E.ON's Group-wide, risk-based Physical Security framework, standards and methodologies together with Physical Security leads and experts across the business units...

• Design, develop, and integrate novel components, for example for establishing trust (e.g. SPIFFE / SPIRE), securing network connections (e.g. mTLS, IPSec), and secure device onboarding (e.g. FIDO Device Onboarding).
• Maintain and continually enhance our existing software written in Rust.

• Taking responsibility for the smooth day-to-day operation of our hybrid server landscape, with a focus on on-premise platforms complemented by Microsoft Azure.
• Planning regular system maintenance and carrying it out yourself, so our systems stay stable and available.

• lead the architecture, engineering and continuous optimization of our diverse HSM landscape, ensuring full adherence to security and compliance standards
• automate the HSM environment and optimize configurations and related processes to meet demanding SLAs

• You will define and drive the future cyber security strategy of the organization and act as the central authority for cyber risk, governance and organizational resilience
• Define and drive the cyber security strategy, governance framework, and long-term security roadmap

• Helping clients ensuring their IT systems, processes, and operations align with leading professional standards, industry frameworks, and regulatory requirements
• Acting as a subject matter expert on both local and international IT audit and cybersecurity consulting projects

As part of our IT Core Infrastructure Services team, you will be an integral pillar of our VMware Cloud Foundation (VCF) rollout and take part in realizing Brainlab's multi-cloud strategy. With your enthusiasm for cloud-native technologies and architectures and in close collaboration with...

Analysis: you will support our partners in innovative projects and develop customized technological concepts that make our processes easier and more efficient....

• Define and own the enterprise strategy, governance framework, and roadmap for backup, recovery, data protection, and operational resilience
• Establish policies, standards, controls, and recovery objectives that ensure business-critical services remain resilient, recoverable, and compliant