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• Support our customers: help them solve technical issues with CCTV, alarm systems and intercoms, and work together with the sales team on technical questions
• Work with the technology: design security system solutions, follow global market trends, and select and test new equipment

• Monitor platform and resolve any issues reported by monitoring application.
• Maintain the availability, integrity and confidentiality of the security platforms.
• Upgrade, remediate and patch underlying Operating Systems (Windows, Linux, ESXi, firewalls) to maintain the overall platform health.

Support senior technical leads in the design and implementation of BT International managed cyber security services across Microsoft Sentinel, CrowdStrike, Securonix and other cloud-native security platforms, to industry and BT quality controls and standards....

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• Advise development teams on secure software design, architecture and coding practices.
• Review security-critical code, components and APIs to identify vulnerabilities and recommend practical solutions.

Act as a key architectural driver for evolving legacy systems into next-generation platforms, working closely with cross-functional engineering teams and peer architects located in Zurich and Bioggio TI to ensure deep technical readiness....

• Design, implement and operate secure, open-source groupware and collaboration services, including email, file sharing, messaging and document editing
• Build and maintain Linux-based infrastructure and containerized applications in an on-premise private cloud

• Plan and execute crisis simulations, resilience testing, and recovery exercises, ensuring continuous improvement and remediation tracking
• Support integration of incident response, cyber crisis management, and business continuity processes

As a Senior IT System Administrator at Factworks, you'll be pivotal in maintaining the SMOOTH OPERATION AND OPTIMAL PERFORMANCE of our IT infrastructure. Leveraging extensive experience and technical expertise, you will manage the DESIGN, IMPLEMENTATION, AND ONGOING MAINTENANCE of our complex...

• Leading end-to-end penetration testing engagements across web applications, APIs, cloud environments, kubernets, binary applications and internal/external infrastructure
• Simulating real-world attacks to identify security risks before they become threats

• Own IAM strategy across Entra ID and Active Directory.
• Manage conditional access, PIM/PAM, and identity lifecycle governance.
• Develop identity-centric detections and threat-hunting workflows, analyzing Entra ID logs and privilege escalation paths in alignment with the SOC.

• Own the enterprise Disaster Recovery strategy, framework, and governance.
• Conduct Business Impact Analysis (BIA) and define RTOs/RPOs together with business stakeholders.
• Plan and execute Disaster Recovery exercises, including failover/failback testing, with post-test reports and remediation tracking.

• Strengthen and continuously improve AND-E's IT Governance, Risk & Compliance (GRC) framework across Europe.
• Coordinate and maintain governance processes, policies, standards, and procedures to ensure compliance with internal and external requirements.

You define and maintain the IAM strategy and governance framework, including SOPs and policies, ensuring you align business and IT and comply with standards and regulations...

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)

• 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