Vulnerability Management Experts in Cologne
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Meet FRATCH Experts in Cologne, who have recently used Vulnerability Management
Halil Oeztoprak
Last position:
Senior Cloud Operations & DevSecOps Engineer (Azure / Terraform / CI-CD) at KfW Bankengruppe
Regulated environment within a German banking group (approx. 8,500 employees, hybrid cloud strategy).
Responsible for operating, provisioning, and continuously securing business-critical platforms – including a GenAI chat application, a big data/AI platform, and data science workspaces based on Azure Virtual Desktops and VMs. Ownership of Azure DevOps projects for ShaiHulud and React2Shell, as well as BSI alerts – Security Operations improvements across the SDLC.
Deployment responsibility for the GenAI chat application, big data/AI platform (BDAI), and data science workspaces (AVD/VM-based) in the respective landing zones.
Deployment & release management: end-to-end responsibility for deploying portal and service applications across multiple Azure landing zones, including technical approvals, compliance with development team deployment guidelines, and ensuring ITIL-based change and release processes via ServiceNow.
Azure landing zones & network architecture: design, provisioning, and operation of Azure landing zones for 3-tier web applications with enhanced network segmentation, VNet peering, hub-and-spoke architectures, private endpoints, and firewall integration across separate subscriptions and tenants.
Azure DevOps governance & operations: ownership of the Azure DevOps organization, including projects, repositories, and CI/CD pipelines; implementation of governance requirements such as branch policies, approval gates, permission models, and audit-ready operating structures.
Infrastructure as Code (Terraform): design, implementation, and operation of a modular Terraform architecture for standardized cloud infrastructure deployment, including state management, provider versioning, reusability, and policy-as-code approaches.
CI/CD pipeline engineering: design, operation, and optimization of complex YAML-based CI/CD pipelines with multi-stage deployments, template standardization, self-hosted agents, integrated secret management, and automated quality and security checks.
Git migration & platform consolidation: planning and execution of repository and pipeline migration from Azure DevOps to GitLab CI/CD, including automated scripts, full Git history transfer, pipeline porting, and platform consolidation.
Container & platform operations (AKS): operation and security assessment of containerized workloads on Azure Kubernetes Service, centralization of on-premises container registries for ACR.
OpenShift (OCP) security reviews: security assessment of code baselines, build pipelines, and deployment processes for on-premises OpenShift clusters with critical applications, and derivation of specific hardening recommendations.
Shift-left security & DevSecOps transformation: introduction of a company-wide shift-left approach for early security integration in development and deployment processes, enabling developers to perform self-led security checks and sustainably reduce vulnerabilities before production (IDE integrations, pre-commit hooks, local scanners).
Software supply chain security: analysis and mitigation of supply chain risks in NPM- and Yarn-based applications through dependency audits, CI/CD pipeline hardening, token rotation, and restriction of risky build and lifecycle mechanisms.
Frontend & framework security (React / Next.js): security assessment and coordination of critical vulnerability remediation across platform applications and web frameworks, including coordination and complementary technical mitigations with all teams following BSI alerts.
Software composition analysis (SCA): introduction and operation of automated vulnerability scans for container images, pipelines/artifacts, and third-party dependencies, including SBOM exports within CI/CD pipelines.
SAST/DAST integration: design and piloting of static and dynamic application security tests in close collaboration with security architecture and development teams, for continuous improvement of code and runtime security, and establishing operational acceptance tests.
Artifact & registry consolidation: analysis and consolidation of all package and container repositories for service applications and AKS workloads, aiming for a centralized, secured registry strategy with centralized vulnerability scanning and governance.
Dependency-Track & SBOM strategy: advising the compliance board on introducing a central SBOM and vulnerability management platform to increase enterprise-wide dependency transparency and accelerate CVE response capability.
CI/CD pipeline hardening: security analysis and cleanup of the existing pipeline landscape by removing unused pipelines, improving secrets hygiene, implementing least-privilege principles, and isolating build agent environments.
Azure Web Application Firewall (WAF) optimization: analysis and tuning of existing Azure WAF rules (OWASP Top 10 Core Rule Set, DSR/SDC, custom rules) to defend against known vulnerabilities and exploit patterns, including reducing false positives and improving threat detection.
Documentation & stakeholder communication: creating and maintaining technical documentation, runbooks, and architecture overviews in Jira and Confluence, as well as active knowledge transfer between operations, development, security, and compliance stakeholders.
Valeri Milke
Last position:
Associate Partner - Information Security Consulting at Insentis GmbH
- Improvement of the Information Security Management System (ISMS) based on ISO 27001, NIS2, DORA, B3S, TISAX and BSI IT Baseline Protection
- Conducting comprehensive gap analyses to identify gaps and derive action plans according to the above standards and regulations; management and KPIs
- Data Loss Prevention strategy and implementation using MS Purview
- Vulnerability and patch management, security monitoring
- Risk analysis and threat modeling using the STRIDE methodology
- Development of vendor risk assessments, implementation of risk classifications, conducting supplier assessments and implementing technical monitoring solutions (e.g. Security ScoreCard)
- Securing cloud environments (AWS and Azure); expertise in CSPM/CNAPP (Wiz), cloud migration, secure CI/CD pipelines, container security and best practices in AWS, Azure and Office 365
- Application security: penetration testing, DevSecOps, OWASP, pre-commit hooks, key and secret management, IDE plugins, static source code analysis, dependency checks, container scanning, vulnerability management, CIS benchmarks and compliance
- Security assessment and hardening according to CIS benchmarks and cloud conformity in AWS, Office 365 and Azure
Stanislav Stolberg
Last position:
Interim CTO / IT Consultant (Cloud & App Security · AI & Web3) at Deutsche Bank Group; Startups
- Spearheaded strategic and operational oversight of IT infrastructures to accelerate innovation and ensure audit-proof delivery.
- Acted as key liaison between management, business departments, and engineering, actively engaging in coding, cloud architecture, and CI/CD to resolve critical path challenges.
- Engineered and implemented an AI Governance Program to manage risks and ensure compliance with the EU AI Act, reducing AI use-case approval times from 8 to 3 weeks.
- Delivered and deployed secure AI systems into production (RAG-based knowledge platforms), resulting in a 35% decrease in standard support ticket volume.
- Established robust security standards and governance frameworks for APIs (OAuth2/OIDC, mTLS) and cloud platforms (AWS/GCP) to guarantee compliance and system integrity.
- Hardened cloud infrastructure by implementing Zero Trust principles and a comprehensive observability stack (logging/alerting), achieving 99.9% availability in a 24/7 on-call environment.
Pierre Gronau
Last position:
Ansible Automation, Windows Third Level Support at DB InfraGO AG
- PRISMA project
- Ansible automation
- Windows third level support for Windows NT, Windows 2000, Windows 2013, Windows 2016, Windows 2019
Nikolaus Betzler
Last position:
ICT Risk Management and Information Security at B. Metzler seel. Sohn & Co. AG
- Independently develop policies, guidelines, and frameworks for ICT risk management and information security
- Advise business units on ICT risk management and information security
- Further develop the ICT risk management framework that governs the identification, assessment, and control of ICT risks
- Evaluate the Information Security Management System (ISMS) and adjust it for new challenges
- Conduct risk analyses to identify and assess potential ICT risks and information security risks for the Metzler Group
- Advise on defining and implementing measures to reduce risks and improve the resilience of ICT systems
- Advise on ensuring compliance with relevant internal and external regulatory requirements (MaRisk, DORA, BAIT, BSI IT baseline protection, ISMS, ISO 27001, ISO 42001, ISO 27005, BCM ISO 22301)
- Advise on internal and cross-functional projects (SAP DORA compliance, Target2, Section 8a BSI Act)
Saood Yousaf
Last position:
Senior Application Owner at an international energy company
Further development of the application landscape for planning, forecasting and pricing
Communication with internal stakeholders to homogenize the application landscape across all entities
Optimization of vendor management
API and batch processing
Creation of operational concepts
Ensuring compliance with regulations and operational processes
Participation in solution design as well as implementation and further development of new applications and services
ServiceNow
Virtual Machines (Windows / Linux)
M365 Products
Azure DevOps
Web Applications
Christian Gebhardt
Last position:
Deputy Chief Information Security Officer at Gothaer Solutions GmbH
- Deputy lead of the 10-member information security management team in a highly regulated environment (DORA, VAIT, BAIT)
- Direct reporting lines to the CIO of the Gothaer Group and the management board of Gothaer Solutions
- Regular member of the Group Risk Committee and the Compliance Committee
- Managing and coordinating information security processes within the company and with IT service providers
- Leading task forces for handling information security incidents
- Contributing to IT emergency and business continuity management
Valon Jashari
Last position:
Cybersecurity and Data Scientist Engineer at Freelancer
- Cyber Security (IT, OT, Ethical Hacking & Pen Testing)
- Data Science (Machine Learning, Deep Learning, Data Engineer and Data Analytics)
Discover over 15,000 top freelancers
Statistics of experts using Vulnerability Management
Aggregated from the professional profiles of matched freelancers.
Experience
18 years
Position duration
1.9 years (Germany: 2.4 years)
Positions per freelancer
17 (Germany: 13)
Top business areas
Information Technology, Project Management, Quality Assurance
Top industries
Information Technology, Energy, Banking and Finance
Certification focus areas
Information Technology, Audit, Project Management
Bachelor's degree or higher
80% (Germany: 91%)
Master's degree or higher
40% (Germany: 61%)
Certifications per freelancer
9 (Germany: 8)
Most common languages
German, English, Portuguese
Speak two or more languages
100% (Germany: 97%)
Based on our profile pool as of 30 Aug 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Cologne are distributed, based on recent contracts on our platform. Each bar covers a rate range — its height shows how many freelancers charge within that range.
Average rates of experts in Cologne using Vulnerability Management
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
About the technology
What it covers
Vulnerability management is the ongoing process of finding, prioritizing, and fixing security weaknesses before they become incidents. It goes beyond a single scan and turns risk data into action across systems, apps, cloud assets, and network devices.
Typical work
- Run vulnerability assessments and recurring scans
- Triage findings from Nessus, Qualys, Rapid7, or OpenVAS
- Prioritize remediation with risk, exposure, and asset context
- Track patching, exceptions, and compensating controls
- Report status to security and operations teams
Tooling and methods
Strong specialists know scanners, ticketing flows, asset inventory, and common frameworks such as CVSS, MITRE ATT&CK, and CIS benchmarks. They connect results to change management, patching windows, and cloud security tools so findings do not stay in a spreadsheet.
When companies hire in
Companies bring in freelance experts when scanning exists but follow-up is weak, when a new environment needs a clean baseline, or when audit pressure grows. In Cologne, this often matters for manufacturing, logistics, finance, and SaaS teams that need clear remediation ownership and steady reporting.
What good experts do
They do more than flag issues. They remove noise, confirm what is truly exploitable, and help teams close gaps in a way that fits production constraints, language needs, and local working patterns in Cologne or remote setups.
What to look for
A good professional understands operating systems, web app risk, cloud misconfigurations, patch cycles, and how to speak with both technical and non-technical teams. They can explain why a finding matters, what to fix first, and how to prove the risk is reduced.
Frequently asked questions
Not sure where to start with Vulnerability Management? These answers cover the essentials.
Vulnerability management is used to find security weaknesses, prioritize the ones that matter, and track them through remediation. It helps teams reduce attack surface across endpoints, servers, cloud workloads, and applications. The goal is not just more findings, but fewer real risks.
A Vulnerability Management program includes scanning, but it does much more than collect results. It adds asset context, risk ranking, remediation ownership, exception handling, and reporting. A scan tells you what exists; the program helps you decide what to fix first and prove it was fixed.
Vulnerability management work often centers on tools like Nessus, Qualys, Rapid7 InsightVM, or OpenVAS. Specialists also work with ticketing systems, patch management tools, cloud security consoles, and asset inventories. The exact stack depends on whether the focus is endpoints, servers, web apps, or cloud accounts.
A strong Vulnerability Management specialist usually knows Linux and Windows basics, network and web security, and patch and change processes. Scripting helps with data cleanup and reporting, while cloud knowledge matters for modern environments. Good communication is just as important as technical depth.
Most vulnerability management projects need someone who has already worked with real remediation workflows, not just scan output. If the work includes large environments, cloud assets, or audit reporting, the expert should know how to reduce false positives and handle exceptions. Smaller cleanup projects can be handled by a focused specialist with solid tooling knowledge.
Vulnerability Management work is often remote because scans, reporting, and coordination can be done from anywhere. On-site time in Cologne can help when the expert needs to review network scope, talk to local teams, or align with operations and compliance staff. Many projects use a hybrid setup.
Look for someone who can explain findings in plain language and link them to real business risk. A strong Vulnerability Management specialist will show how they reduced noise, improved remediation flow, and kept reports useful for security and operations. Ask for examples of triage logic, exception handling, and follow-through.
No, vulnerability assessment is usually a point-in-time review, while vulnerability management is an ongoing process. Assessment finds issues; management keeps them visible, prioritized, and resolved over time. In practice, teams often use both terms, but they are not the same scope.
The average hourly rate of freelancers in Cologne, Germany who have used Vulnerability Management in their recent projects is 122 €, which corresponds to a daily rate of about 973 € based on an 8-hour working day.
Of the freelancers in Cologne, Germany who have used Vulnerability Management in their recent projects, 80% hold at least a Bachelor's degree and 40% hold at least a Master's degree.
On average, freelancers in Cologne, Germany who have used Vulnerability Management in their recent projects have 18 years of professional experience, with a single engagement typically lasting around 1.9 years.
The most common languages among freelancers in Cologne, Germany who have used Vulnerability Management in their recent projects are German (100%), English (88%), and Portuguese (13%).
The most common industries among freelancers in Cologne, Germany who have used Vulnerability Management in their recent projects are Information Technology (88%), Energy (63%), and Banking and Finance (63%).
The most common business areas among freelancers in Cologne, Germany who have used Vulnerability Management in their recent projects are Information Technology (100%), Project Management (88%), and Quality Assurance (75%).
Main locations of FRATCH Experts, who have recently used Vulnerability Management
Our freelancers and interim experts are at home across the DACH region — available on-site in the major business hubs or fully remote. Choose a location to discover matched specialists, local market insights and up-to-date availability.
Berlin 
Munich Request a free demo
Get in touch with the FRATCH team and we will get back to you within 4 hours.
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Philipp Thomaschewski
FRATCH CEO
