Technology Jobs

Cyber Defense Consultant – Remote Freelance Position | Cologne, Germany | €700–800 per day Job Overview We are seeking an experienced Cyber Defense Consultant for a freelance engagement supporting cybersecurity operations for a client based in Cologne, Germany. This is a highly technical, hands-on security engineering and consulting role requiring deep expertise in incident response, threat detection, vulnerability management, and defensive security operations. You will be directly involved in investigating security incidents, performing forensic analysis, conducting vulnerability assessments, and working hands-on with security tools and systems. This role requires someone who can hit the ground running, provide immediate technical value, and deliver professional consulting services while defending against complex security threats. Key Responsibilities Hands-On Incident Response & Investigation Investigate and respond to security incidents from detection through containment and remediation Perform forensic analysis on compromised systems, including memory dumps, disk images, and log analysis Conduct malware analysis and reverse engineering to understand attack vectors and tactics Execute incident response procedures and technical playbooks during active security events Analyse security alerts from SIEM, EDR, and other security tools to identify genuine threats Perform root cause analysis and document technical findings for post-incident reports Engage directly with affected systems to contain threats and support recovery Security Tools & Platform Engineering Hands-on configuration and optimisation of the Microsoft Defender suite (Endpoint, Office 365, Identity, Cloud Apps) Build and tune detection rules, hunting queries, and automated response workflows Configure and maintain SIEM platforms, correlation rules, and security use cases Integrate security tools and orchestrate automated response capabilities Troubleshoot technical issues across security infrastructure and monitoring tools Test and validate security controls and detection capabilities Vulnerability Assessment & Testing Perform hands-on vulnerability scanning across infrastructure and applications Conduct penetration testing exercises to identify security weaknesses Exploit and validate vulnerabilities to assess real-world risk Analyse scan results and manually verify findings Work with technical teams to validate and test remediation efforts Maintain and configure vulnerability scanning tools and assessment platforms Threat Hunting & Proactive Defense Conduct proactive threat hunting activities across the environment Analyse network traffic, system logs, and endpoint telemetry to identify anomalies Investigate suspicious activity and potential indicators of compromise Develop and execute custom detection logic and hunting hypotheses Perform deep-dive analysis of advanced persistent threats Build custom scripts and tools to support security operations SOC Provider & Technical Coordination Work directly with external SOC analysts during incident investigations Provide technical guidance and escalation support for complex security events Review and validate alerts and findings from SOC providers Collaborate on tuning detection rules and reducing false positives Participate in technical reviews of SOC performance and capabilities Share threat intelligence and technical indicators with SOC partners Essential Requirements Technical Experience Minimum 10 years of hands-on cybersecurity experience, with at least 5 years in incident response Proven experience investigating and responding to complex security incidents Hands-on experience with vulnerability assessments and penetration testing Direct experience configuring and managing security tools (SIEM, EDR, IDS/IPS, etc.) Experience working technically with external SOC providers Strong hands-on experience with Microsoft Defender (Endpoint, Office 365, Identity, Cloud Apps) Experience performing forensic analysis and malware investigations Ability to work independently and integrate quickly into new environments Previous freelance or consulting experience in similar roles Core Technical Skills Expert understanding of incident response methodologies (NIST, SANS) Hands-on SIEM experience (Splunk, Sentinel, QRadar) Strong scripting skills (PowerShell, Python, Bash) Deep technical knowledge of Windows, Linux, and networking Experience with forensic tools (EnCase, FTK, Volatility) Packet analysis skills (Wireshark, tcpdump) Malware analysis techniques and tooling Penetration testing tools (Metasploit, Burp Suite, Nmap) Strong knowledge of MITRE ATT&CK and kill chain models Practical cloud security experience (Azure, AWS, or GCP) Language Requirements Fluent English (written and spoken) German language skills are essential Security Frameworks & Standards Practical knowledge of ISO 27001, NIST CSF, and CIS Controls Understanding of GDPR, PCI-DSS, SOX, and related regulations Experience validating and testing security controls Consulting Skills & Attributes Hands-on technical problem solver Able to make decisions under pressure during live incidents Self-starter who adapts quickly to new environments and tools Strong client-facing communication skills Professional consulting demeanour and presentation style Highly analytical with strong attention to detail Comfortable working in command-line environments Passion for emerging threats and attack techniques Excellent documentation and report-writing skills Ability to provide strategic security recommendations alongside implementation Desirable Banking or financial services sector experience Experience with SOAR platforms and security automation Background in offensive security or red teaming CTF participation or security research contributions Experience with threat intelligence platforms Cloud-native and container security experience Freelance Engagement Details Engagement Type: Freelance contract (Freiberufler) Location: Cologne, Germany (Köln) Duration: 12 months Work Model: Remote (German-speaking environment) Start Date: March 2026 Rate: Competitive daily rate based on experience Requirements: Valid German work permit or EU right to work Business Registration: Freiberufler or own company (GmbH / UG)  

About the Role A globally operating technology-driven organization is looking to strengthen its advanced analytics and AI capabilities by hiring a Senior Data Scientist. In this role, you will work in an international, interdisciplinary environment, driving innovative data science initiatives that combine classical methods with modern AI technologies. You will play a key role in shaping how data-driven solutions are designed, evaluated, and brought into real-world use, with a strong focus on business impact. This position offers long-term perspective, autonomy, and the opportunity to influence how advanced AI is applied at scale. Your Responsibilities Lead and drive innovative data science and AI projects from concept to evaluation, always aligned with business objectives Design and develop complex algorithms and AI/ML models, with a strong focus on LLMs, NLP, and agent-based systems Evaluate solutions not only from a technical perspective, but also in terms of business value and impact Stay up to date with current research and technological developments and actively bring new ideas into the organization Define and promote best practices to improve efficiency, scalability, and quality in data science projects Act as a go-to person for internal stakeholders, sharing expertise and collaborating across teams Represent the organization at relevant professional events, meetups, and conferences Your Profile Degree in Computer Science, Mathematics, Statistics, or a comparable field 5+ years of professional experience in data science, with a strong focus on LLMs and modern AI systems Deep expertise in NLP, LLMs, and agentic AI approaches Excellent programming skills in Python and related libraries (e.g. Pandas, NumPy, SciPy) as well as SQL Hands-on experience with frameworks such as Hugging Face, LangChain, scikit-learn Solid understanding of MLOps and deployment concepts (Docker, Kubernetes, CI/CD) Experience working with cloud platforms, ideally in an Azure-based environment Strong software engineering mindset and structured way of working Independent, customer-oriented, and flexible working style Curiosity for new topics and technologies Strong analytical thinking and ability to think beyond standard solutions Pragmatic, hands-on mentality with a strong sense of ownership Willingness to travel occasionally (less than 15%) Languages: German (C1 or higher), English (C1 or higher) What’s on Offer Individual support for professional and personal development Flexible working hours and mobile working options Structured onboarding and mentoring programs Comprehensive health and wellbeing initiatives Regular team and company events Meal allowance and additional benefits Mobility options such as bike leasing Company pension scheme

Information Security Lead Location: Munich Our client is looking for a seasoned security professional to lead and develop their organisation’s information security strategy. This role covers policy development, regulatory alignment, and oversight of security operations across multiple locations. The successful candidate will collaborate closely with senior leadership and report directly to the CISO. Key Responsibilities: Set the direction for the company’s overall information security strategy. Oversee a team managing core security functions and initiatives. Support risk identification and mitigation across systems and data. Ensure compliance with relevant regulatory and data protection requirements. Coordinate security incident response activities. Champion security awareness across the organisation. Act as a point of contact for external assessments and audits. Monitor emerging risks and recommend improvements. Candidate Profile: Extensive experience in cybersecurity, preferably in regulated sectors. Proven track record in leading teams and driving security programs. Working knowledge of recognised frameworks and standards. Strong understanding of risk, governance, and compliance. Effective communicator with senior stakeholder engagement experience. Fluent in German and English. Professional certifications (e.g. CISSP, CISM) are beneficial. What’s Offered: Competitive compensation with performance-related incentives. Hybrid working model in an international, collaborative environment. Ongoing support for professional growth and development.

Senior Java Developer  Location: Dusseldorf A role that inspires you Step into a position where your expertise drives digital innovation. As a Senior Java Developer, you’ll develop and maintain cutting-edge, containerized Java applications, shaping technical solutions that power key business processes. Your work will directly influence the reliability, efficiency, and future direction of the organisation’s technology landscape. What you’ll be doing You will: Design, develop, and maintain modern Java-based applications, overseeing requirements, prototyping, changes, and testing processes. Analyse business needs and model both technical and operational processes. Stay up to date with technological trends and contribute to driving future innovation. Take ownership of critical IT systems, ensuring compliance with regulatory standards. What you bring You are innovative, technically strong, and proactive: Degree in Computer Science, Natural Sciences, Economics, or a comparable field. Several years of professional experience in Java application development. Proficiency with development tools such as Maven and Git. Comfortable in agile environments (e.g., Scrum) and collaborative team settings. Bonus: Experience with web frameworks (e.g., Vaadin) or stream processing technologies (e.g., Apache Kafka or Flink). Fluent in German (spoken and written). What’s on offer Opportunity to shape and maintain high-impact Java applications. Collaborative, agile environment fostering innovation and knowledge sharing. Exposure to modern technology stacks and digital transformation initiatives. Culture that values autonomy, professional growth, and continuous learning. About the opportunity This position is managed exclusively by MAM Gruppe, a specialist recruitment partner connecting world-class professionals with leading organisations across Germany. Applications are handled with the strictest confidentiality.

Senior Manager SOC Location: Munich (Hybrid) A role that inspires you Join a global expert team dedicated to driving secure digital transformation through advanced cyber defence strategies. As Cyber Security Manager, you will advise international clients on SOC/SIEM operations and threat intelligence to strengthen their IT security and resilience. What you’ll be doing Lead the design, implementation, and operation of SIEM and SOC infrastructures for diverse clients. Utilise cutting-edge technologies such as Splunk, Exabeam, or IBM QRadar to enhance cybersecurity posture. Develop and deploy SIEM use cases, dashboards, and reports based on thorough threat analyses. Plan and refine cyber incident response procedures, analysing network logs to shape security policies. Collaborate with international teams in consulting and managed services to improve clients’ cyber defence capabilities. What you bring Degree in computer science, information technology, engineering, mathematics, or related field. Relevant experience with Cyber Defence tools (SOAR, Security Analytics, Threat Intelligence) and managed security services. Proficient with at least one SIEM platform such as Splunk, IBM QRadar, or Exabeam. Strong commitment, autonomy, and agile working style, with enthusiasm for complex projects in interdisciplinary, international teams. Fluent German and English communication skills, comfortable presenting to senior stakeholders. Willingness to travel. What’s on offer Join a high-impact, global cybersecurity team. Work on cutting-edge projects with leading-edge tools and methods. Collaborate within diverse, international teams. Flexible working arrangements.

Cloud Security Architect (Multi-Cloud) Location: Frankfurt (Hybrid) Our client is seeking an experienced Cloud Security Architect to join a leading DAX 40 organisation headquartered in Frankfurt. In this strategic role, you will design and implement enterprise-grade security architectures across a multi-cloud environment (AWS, Azure, and GCP) supporting critical digital transformation initiatives. You will work closely with cloud engineering, DevOps, platform, and enterprise architecture teams to ensure cloud services are deployed securely, comply with regulatory standards, and align with enterprise security frameworks. Key Responsibilities: Design and implement secure cloud architecture patterns across AWS, Microsoft Azure, and Google Cloud Platform. Define and maintain cloud security reference architectures, guardrails, and best practices. Lead security architecture reviews for cloud-based applications and infrastructure. Implement Zero Trust, IAM, network segmentation, and workload protection strategies. Collaborate with DevOps teams to integrate security into CI/CD pipelines (DevSecOps). Establish and maintain cloud governance, policies, and compliance controls. Support implementation of security tools including CASB, CSPM, CWPP, and SIEM integrations. Conduct threat modelling and risk assessments for new cloud initiatives. Ensure compliance with GDPR, ISO 27001, NIST, and other regulatory frameworks relevant to enterprise environments. Provide technical leadership and guidance to engineering teams on secure cloud deployments. Required Experience: 8+ years experience in information security or cloud security architecture. Proven experience designing multi-cloud security architectures (AWS, Azure, and/or GCP). Strong understanding of identity and access management (IAM), encryption, network security, and workload protection. Experience implementing DevSecOps practices and automated security controls. Knowledge of enterprise security frameworks such as NIST, CIS, ISO 27001, and Zero Trust. Experience with cloud security tooling (Prisma Cloud, Wiz, Lacework, Defender, etc.). Strong stakeholder management and ability to influence engineering and leadership teams. Certifications such as CISSP, CCSP, AWS Security Specialty, Azure Security Engineer, or Google Professional Cloud Security Engineer. Experience within large enterprise or regulated environments (finance, manufacturing, automotive, or technology). Familiarity with Kubernetes, containers, and modern cloud-native architectures. What We Offer: Opportunity to work within a globally recognised DAX 40 organisation driving large-scale cloud transformation. Competitive salary package with performance bonus. Flexible hybrid working model in Frankfurt. Access to cutting-edge cloud and security technologies.