Public Key Infrastructure Experts in Germany
, matched with vetted freelancers in minutesHire experts who design certificate authorities, manage TLS and code-signing certificates, and integrate smart cards or hardware security modules. FRATCH matches you quickly and precisely with vetted, available freelancers for your Public Key Infrastructure work.
Meet FRATCH Experts in Germany, who have recently used Public Key Infrastructure
Matthias S.
Last position:
Overall Project Coordinator at Bundeswehr Informatik (BWI GmbH)
- PMO Lead Security Clearance 2 (SÜ2) verified
- Reporting to the GMN sub-program management
- System maintenance 25+
- Functional management and coordination of the Jira setup
- Preparation of decision papers (e.g. project planning, governance model, communication plans, controlling models, roles and responsibilities matrices)
- Development of program-wide knowledge management using Confluence, creation of Jira concept
- Development of an access concept for all project tools
- Analysis of existing processes, identification of improvement potential, and design of solutions to increase efficiency and effectiveness
- Development of a concept for introducing automation approaches into existing tools
- Creation of intranet articles for project marketing
- Responsible for project governance through reporting and resource planning in the sub-program
- Agile development of the project methodology
- Gathering customer requirements (Requirements Engineering)
- Preparation and support of contract negotiations (7-year term, 500+ million budget)
Jens R.
Last position:
Platform Architect & Senior Developer at Direct client, industrial measurement technology, medium-sized company
- Technical leadership across hardware, firmware, and software teams; scope: hardware/firmware team (4 people) and leadership group (5 people)
- Consolidated and documented a product family that had grown over more than 15 years and aligned it with CRA compliance — from the bare-metal I/O module to the cloud interface.
- Provided the most important customer product with the essential requirements and architecture documentation within two months — for a firmware landscape that had grown over more than 15 years. It now supports the customer’s modernization strategy.
- Established a monthly reporting line to the supervisory board and executive board within three months: nine meetings since 12/2025. The report itself is versioned and built from the CI pipeline; it is based on automatically collected activity and release data instead of assessments.
- Built a container-based CI/CD infrastructure from scratch: cross-compilation, host tests, and documentation builds in one continuous pipeline.
- Introduced declarative QA gates for DevOps and development artifacts — from the start using lefthook instead of pre-commit, executed in a dedicated container image.
Technologies used: arc42, req42, tpo42, docToolchain, PlantUML, ArchiMate, C4 model, ADR, C, C++ (GTest), CMake, Bare Metal (ARM Cortex-M3/M7), OCI containers, Jenkins, lefthook, Prometheus, Grafana, SBOM, CRA, OPC, SCADA, PLC integration, IPv6 migration, Zero Trust, Sociocracy 3.0, Cynefin
Christian F.
Last position:
Architecture Management at Agency
Expert in the company's architecture management area
Support for standardizing the company's IT landscape
Further development of architecture management
Shaping the company's business architecture
Restructuring, administration and maintenance of all IT assets
Support in creating a unified software asset management and CMDB
Creation of unified document management (e-file)
Transition of documents into a central DMS structure
Link between architecture management and the department's internal business process management
Support in developing strategic and tactical development plans
Organizing communication with key stakeholders
Support in the conception, organization and coordination of the architecture office to be built up
Accompanying and advising the entire architecture management process
Advising the company's business units on architectural topics and their framework conditions
MS Office, Windows 10, VBA
ITIL, TOGAF, PowerBi, Kanban, Scrum
Internal agency tools
Open Touch Conversation, Webex, wire, bdbos
MS Sharepoint, JIRA, Confluence
ARIS, Archimate, BPMN
Ales L.
Last position:
Senior DevOps Consultant (Freelance) at European Union Agency (via IBM)
- Worked as freelance Senior DevOps Consultant on-site for IBM at a European Union Agency, operating in a highly secure, air-gapped environment managing classified systems.
- Led automation and DevOps initiatives for a large-scale OpenShift platform (>400 nodes), driving deployment efficiency, GitOps adoption, and operational automation using Ansible, Python, and Bash while ensuring compliance with security requirements.
- Spearheaded automation of release and deployment workflows in a private cloud environment hosting 400+ OpenShift nodes, significantly improving deployment speed and reliability.
- Migrated existing playbooks, roles, and templates from Ansible Tower to Ansible Automation Platform (AAP), ensuring full compliance with fully-qualified collection names (FQCN) and preparing custom Execution Environments (EE) for containerized automation.
- Implemented GitOps Agent for AAP Controller Configuration as Code, enabling automated synchronization (CRUD) of Ansible Controller objects based on repository-stored configuration definitions using GitHub webhooks.
- Designed and automated complex multi-step operational workflows including environment cleanup, Helix cluster component re-creation, Kafka topic management, and OpenShift object lifecycle management across ~100 environments.
- Achieved a reduction of multi-day manual operations to under a few hours through automation improvements spanning multiple AAP clusters and OpenShift environments.
- Integrated Ansible Automation Platform with Thycotic (Delinea) Secret Server via lookup plugin to enhance secure credential management in automated processes.
- Managed deployment tasks, platform troubleshooting, and Istio network configurations while adhering to stringent EU PSC security and compliance standards.
- Collaborated with infrastructure and application teams to refine deployment procedures, develop naming conventions, and continuously improve automation coverage in an air-gapped, classified environment.
Tobias R.
Last position:
M&A IT Project Manager / Cross-functional Technical and Integration Manager at Sandoz AG
- Worked for several M&A projects (Eire, Sunshine C, Coral) in the role of IT project manager and cross-functional technical manager / integration manager.
- Preparation and maintenance of project charters, project change requests and project plans.
- Weekly project status report.
- Preparation of decision papers and steering committee slidedecks.
- Risk & issue management.
- Tracking and managing activities, dependencies and deliverables across all functional IT domains.
- Data migration (planning and execution).
Robert K.
Last position:
Interim Manager | Group Leader in the IT Operations & Digitalization Division "Databases, Operations & Support" (DOS) at Landwirtschaftliche RentenBank
- Technical leadership and further development of a team of 28 IT staff (internal & external) in the areas HelpDesk/HelpLine, RHEL (Red Hat), MUREX (trading system & applications), SAP basis operations
- Managing external service providers (including FI-TS for SAP basis operations)
- Personnel, resource and budget planning for the IT department and projects
- Introducing and establishing regular communication formats (weekly status meetings, team and cross-department meetings)
- Ensuring application operations in a hybrid environment (Windows/Linux with database and web/application servers)
- Supporting transformation projects to modernize the application landscape (e.g. DevOps approaches)
- Setting up and implementing a digital IT procurement for hardware & software (e.g. with DELL)
- Developing and managing the "IT Operations DOS" department based on corporate strategy
- Preparing management reports & decision papers on IT projects, optimization potential and automation opportunities
- Representing the department in the advisory boards of the Rentenbank and ensuring regulatory compliance (BaFin §44, GDPR, BSI, MaRisk)
Stefan A.
Last position:
Sole Architect and Developer at Bauernhof-Eis Stangl GbR
Design and implementation of a compact ERP, CRM, accounting, and production-planning platform for a German food manufacturer. The system replaces Rechnung11, self-built Excel sheets, and manual processes for fewer than 10 internal users.
- Designed and implemented the full platform architecture as sole architect and developer.
- Built modules for customer management, B2B order handling, invoicing, production planning, and accounting support.
- Implemented DATEV export, ZUGFeRD/XRechnung e-invoicing, FinTS bank statement synchronization, and GoBD audit trail concepts.
- Used AI-supported workflows for prototyping, test support, and implementation acceleration while retaining full architecture, review, testing strategy, and technical ownership.
Technology: Java 23, Spring Boot 3, Spring Data JPA, Spring Security, Vue 3, TypeScript, PostgreSQL, Flyway, REST, OpenAPI, JWT, TOTP, RBAC, DATEV, FinTS, ZUGFeRD, XRechnung, GoBD, JUnit, Mockito, Testcontainers, Playwright, Docker, GitLab CI/CD
Cherif S.
Last position:
DevOps Specialist – SCM & CI Platform at Freelancer
- Designed and developed the architecture of an enterprise SCM/CI platform for Kubernetes-native delivery and GitOps workflows.
- Implemented infrastructure automation and Vault & IAM integration for secure, compliant pipelines.
- Coordinated cross-functional teams to improve DevOps, security, and architecture in release processes.
- Increased platform adoption and developer experience by automating onboarding and artifact pipelines.
Benito E.
Last position:
Cloud DevOps Engineer und Cloud Architekt at Energieversorgungsunternehmen (anonymisiert, NDA)
- Design and build of a fully isolated AWS offline environment with no outbound internet access for running a browser-based business application
- Design and implementation of a proxy and response service that terminates all external application calls inside the VPC and serves them from locally stored content; identification of the actual communication needs through measurement-based DNS query logging
- Creation of architecture designs and decision papers including a comparison of options (Application Load Balancer with Lambda and S3, reverse proxy on EC2, private API Gateway) assessed by operational effort, cost, and availability
- Transfer of the solution and operations documentation previously available only for Azure to an AWS target architecture, including reassignment of all services and operational processes
- Automated rollout as Infrastructure as Code (Terraform, CloudFormation) with CI deployment via GitHub Actions, plus setup of private DNS zones and an internal certificate chain for operation without internet access
- Creation of architecture, deployment, and operations documentation and handover to the customer
- Build-up of a private cloud platform on OpenStack at provider TelemaxX with Terraform, including FortiGate HA clusters, FortiManager, and Kubernetes
- Introduction of Policy as Code (Open Policy Agent, Conftest) as well as development of MCP servers (Model Context Protocol) to connect AI assistants to operations and project tools
Successes:
- Made the business application fully operable without internet access for the first time; the cause of the loading error was narrowed down systematically to missing CORS headers after the likely certificate issue was ruled out
- Fully transferred an existing Azure concept to AWS and replaced the manually created environment with a reproducible, CI-based rollout
Technology stack: AWS (VPC, Application Load Balancer, Lambda, S3, Route 53 private hosted zones and Resolver query logging, IAM, CloudWatch, EC2, CloudFormation), Infrastructure as Code (Terraform, CloudFormation, Remote State), CI/CD (GitHub Actions with OIDC, Azure DevOps Pipelines), OpenStack, FortiGate, FortiManager, Kubernetes, Policy as Code (Open Policy Agent, Conftest), offline and air-gap architectures, PKI & certificates (internal CA, TLS, CRL/OCSP), DNS, network segmentation, Linux, Windows Server, Python, Bash, PowerShell, YAML, JSON, architecture design & decision papers, documentation (Confluence, Markdown), Generative & Agentic AI (Model Context Protocol, Agentic AI Coding Tools)
Alexander Z.
Last position:
Fullstack Developer and DevOps Engineer at Freelancer
- Developing the infrastructure and improving existing infrastructure: Jenkins, Gitlab Pipeline, OpenShift, Docker, Helm Chart, Kubernetes, Artifactory, CodePipeline, CodeArtifact, Python
- Documenting solutions in Jira/Confluence
- Supporting other colleagues in different technical areas
Mohamad D.
Last position:
DevOps Engineer & IT-Security-Architect at BMW Group
- Set up Azure Kubernetes clusters (AKS) with network policies, security groups, and RBAC
- Developed Terraform-based infrastructure as code for secure, reproducible deployments in the BMW Azure cloud
- Hardened CI/CD pipelines using Jenkins, SonarQube, Fortify SSC, and Contrast AST
- Integrated SAP BTP/Kyma and ServiceNow GRC
Pierre G.
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
André H.
Last position:
Linux IT Admin at ReiserST
- Development and maintenance of IT architectures with embedded Linux systems.
- Designing, implementing, and optimizing backend applications and script-based solutions.
- Analyzing and resolving issues, including troubleshooting and user support.
- Developing and implementing security concepts for cloud solutions.
- Administering networks (DHCP, DNS, NTP, VPN).
- Technologies: Linux, PowerShell, Bash, Python, Ansible, Kubernetes, GitLab CI.
- Methods: Kanban.
Olaf R.
Last position:
DevOps Architect / Consultant at Authority with increased security requirements
- Identification of requirements (legal, organizational, and technical)
- Design of solution architectures
- Evaluation of concepts and technologies
- Preparation of decision templates
- Architectural Decision Records (ADR)
- Coordination of implementation
- Review of implementations
- Documentation
Rainer P.
Last position:
Senior Windows Administrator at Douglas Group Technology GmbH & Co. KG
- Expanding disk capacities
- Setting up and configuring new virtual machines
- Troubleshooting and resolution
- Synchronizing domain controllers
- Communicating with the business
- Creating and maintaining documentation
Discover over 15,000 top freelancers
Statistics of experts using Public Key Infrastructure
Aggregated from the professional profiles of matched freelancers.
Experience
23 years
Position duration
1.7 years
Positions per freelancer
18
Top business areas
Information Technology, Project Management, Operations
Top industries
Information Technology, Manufacturing, Banking and Finance
Certification focus areas
Information Technology, Project Management, Product Development
Bachelor's degree or higher
80%
Master's degree or higher
54%
Doctorate
11%
Certifications per freelancer
5
Most common languages
German, English, French
Speak two or more languages
99%
Based on our profile pool as of 19 Sep 2026.
Daily rate distribution
The chart shows how the daily rates of freelancers in this technology in Germany 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.
Discover detailed Public Key Infrastructure rate benchmarks:
Explore rate insightsAverage rates of experts in Germany using Public Key Infrastructure
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 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Public Key Infrastructure experts industry focus
See which industries our matched freelancers work in most often — every figure is calculated live from the freelancers on FRATCH.
- Information Technology (99%)
- Manufacturing (56%)
- Banking and Finance (55%)
- Automotive (51%)
- Government and Administration (49%)
- Telecommunication (49%)
- Healthcare (47%)
- Insurance (40%)
Please note that freelancers can work across multiple industries, so percentages overlap.
About the technology
Trust foundations
Public Key Infrastructure, or PKI, establishes trust for digital identities through asymmetric cryptography, certificates and trusted authorities. It binds public keys to people, devices, services or software, so systems can authenticate connections and verify signatures. A sound PKI also defines how certificates are issued, renewed, revoked and audited.
What it enables
PKI supports secure communication and identity controls across enterprise and industrial environments:
- TLS certificates for websites, APIs and internal services
- Device identity for connected equipment and operational technology
- Smart-card, badge and client-certificate authentication
- Document, email and software signing
- Encryption and secure access for corporate networks
Ecosystem and tooling
A PKI landscape can include a root certificate authority, issuing authorities, registration services, certificate policies and revocation mechanisms such as CRLs or OCSP. Specialists work with Microsoft Active Directory Certificate Services, OpenSSL, HashiCorp Vault, Java keystores, cloud certificate services and hardware security modules. They also connect PKI to identity providers, endpoint management, DevOps pipelines and directory services.
When expertise matters
Companies bring in freelance PKI experts during certificate authority migrations, zero-trust programmes, mergers, cloud transitions and compliance reviews. External specialists can assess an existing trust model, define certificate profiles and automate issuance before expired certificates interrupt production. In Germany, they may also support organisations that need secure collaboration across offices, plants and remote teams.
Delivery and operations
Strong professionals turn policy into an operable service. They document trust hierarchies, protect private keys, separate duties and establish recovery procedures for compromised authorities. Their deliverables may include architecture designs, certificate templates, automation scripts, migration plans, runbooks and monitoring rules. Remote work is often practical, while key ceremonies, hardware handling and site-specific integration may require on-site coordination.
Signs of quality
Look for specialists who can explain cryptographic choices to security, infrastructure and business stakeholders. They should understand certificate lifecycles, key protection, identity governance, network protocols and incident response rather than treating PKI as a certificate-ordering task. Strong experts test renewal and revocation paths, record assumptions, reduce manual steps and leave clear documentation that an internal team can operate.
Frequently asked questions
Questions about Public Key Infrastructure? Start with the answers below.
Public Key Infrastructure is used to establish trusted digital identities and protect communication, software and documents. It supports TLS, device authentication, email encryption, code signing, smart cards and digitally signed transactions.
PKI uses a private key and a corresponding certificate instead of relying on a secret shared between parties. This can provide stronger identity assurance and better traceability, but it requires careful certificate lifecycle management and key protection.
A strong Public Key Infrastructure specialist often works with network security, identity and access management, Active Directory, cloud services and automation. Knowledge of TLS, DNS, directory protocols, hardware security modules and incident response is also valuable.
The needed depth depends on the scope and risk of the environment. A simple certificate automation task may need focused operational knowledge, while a root authority design, migration or recovery plan calls for an expert who has handled governance, key ceremonies and failure scenarios.
Much of Public Key Infrastructure design, documentation, automation and monitoring can be delivered remotely from Germany. On-site work may still be necessary for hardware security modules, controlled key ceremonies, plant networks or access to systems that cannot be exposed remotely.
Ask how the specialist approaches trust hierarchy design, certificate templates, renewal, revocation and private-key recovery. A capable PKI freelancer should also explain how they test outages, document ownership and integrate the service with your identity and operational processes.
Public Key Infrastructure commonly connects with Microsoft Active Directory Certificate Services, OpenSSL, HashiCorp Vault, cloud certificate services and hardware security modules. The right combination depends on the organisation’s identity sources, workloads, regulatory needs and operational model.
A quality PKI implementation has clear certificate policies, protected keys, controlled authority access and reliable renewal and revocation processes. Review its documentation, audit trails, monitoring, recovery tests and ability to issue certificates consistently without creating avoidable manual work.
The average hourly rate of freelancers in Germany who have used Public Key Infrastructure in their recent projects is 107 €, which corresponds to a daily rate of about 857 € based on an 8-hour working day.
Of the freelancers in Germany who have used Public Key Infrastructure in their recent projects, 80% hold at least a Bachelor's degree, 54% hold at least a Master's degree, and 11% hold a doctorate.
On average, freelancers in Germany who have used Public Key Infrastructure in their recent projects have 23 years of professional experience, with a single engagement typically lasting around 1.7 years.
The most common languages among freelancers in Germany who have used Public Key Infrastructure in their recent projects are German (100%), English (97%), and French (18%).
The most common industries among freelancers in Germany who have used Public Key Infrastructure in their recent projects are Information Technology (99%), Manufacturing (56%), and Banking and Finance (55%).
The most common business areas among freelancers in Germany who have used Public Key Infrastructure in their recent projects are Information Technology (99%), Project Management (90%), and Operations (75%).
Main locations of FRATCH Experts, who have recently used Public Key Infrastructure
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.
Hamburg 
Munich 
Cologne 
Frankfurt 
Stuttgart Request a free demo
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