Currently we are looking for an IT Infrastructure and Security Architect (m/f/d).

 

Engagement Details

• Seniority: Senior

• Start: ASAP / immediate availability preferred.(1.11.2026)

• Duration: Potentially one year or longer.

• Location: Remote

• On-site: No regular on-site presence required; potentially approximately twice per year for specific topics.

• Languages: German and English.

• Industry: Defense.

• Willingness to undergo a Sicherheitsüberprüfung (SÜ)

 

 

We are looking for an experienced IT Infrastructure & Security Architect to support an enterprise customer in the defense sector.

The role has a strong infrastructure architecture focus, complemented by security-related responsibilities. The architect will support the design and

evolution of secure, scalable and resilient enterprise infrastructure environments and act as a senior technical expert across infrastructure and

security topics.

 

Key Responsibilities

• Design and further develop enterprise IT infrastructure architectures.

• Define technical architecture concepts, standards and solution designs for infrastructure environments.

• Assess existing infrastructure landscapes and identify technical improvement and modernization opportunities.

• Design secure and resilient infrastructure solutions taking security requirements into consideration.

• Provide architecture guidance across infrastructure, platform and security-related topics.

• Evaluate technical solutions and provide recommendations regarding architecture, integration, scalability, security and operational feasibility.

• Support technical decision-making and translate business or technical requirements into appropriate infrastructure solutions.

• Collaborate with customer stakeholders, technical specialists, engineering teams and other architects.

• Ensure architectural consistency across relevant infrastructure domains.

• Review technical concepts and identify architecture, infrastructure and security risks.

• Support the implementation and evolution of infrastructure solutions as a senior architecture SME.

• Create and maintain architecture documentation, technical concepts and recommendations.

 

Mandatory Requirements

Professional Experience

• More than 10 years of overall professional IT experience.

• At least 5 years of relevant experience in infrastructure architecture or closely related infrastructure roles.

• Senior-level experience working with complex enterprise IT environments.

• Strong background in IT infrastructure architecture rather than a primarily application or pure cybersecurity profile.

 

Technical Requirements

• Strong knowledge of enterprise IT infrastructure architecture.

• Experience designing complex infrastructure solutions and technical architectures.

• Good understanding of infrastructure security principles and security-by-design concepts.

• Experience with enterprise infrastructure covering several of the following areas:

o Compute / server infrastructure

o Virtualization

o Cloud and/or hybrid infrastructure

o Storage

o Networking

o Identity and access concepts

o Backup and disaster recovery

o High availability and resilience

o Infrastructure monitoring and operations

• Ability to assess existing IT landscapes and develop target architecture concepts.

• Ability to produce architecture documentation and communicate technical designs clearly.

• Experience working across multiple infrastructure domains and coordinating technical dependencies.

 

Language Requirements

• German: required

• English: required

 

Preferred / Nice-to-Have Requirements

• Previous experience with customers from defense, public sector, critical infrastructure or other highly regulated environments.

• Experience working with demanding enterprise security and compliance requirements.

• Relevant architecture, infrastructure, cloud or security certifications.

• Experience working in large and complex enterprise organizations.

• Existing security clearance / Sicherheitsüberprüfung (SÜ) is an advantage but not mandatory.