Overview

TITAN Group is seeking an experienced Application Security Architect to design, lead, and govern the secure architecture of our enterprise, manufacturing, and industrial applications.

This role will be based at TITAN’s Headquarters in Athens, Greece and will report to the Chief Information Security Officer (CISO).

This critical position ensures that all software, automation platforms, and connected systems across TITAN are resilient against evolving cyber threats. It collaborates closely with IT, OT (Operational Technology), Digital, and Engineering teams to embed security throughout the software development lifecycle (SDLC) — aligning with corporate cybersecurity standards and the specific needs of a complex manufacturing environment.

Responsibilities

Application & Systems Architecture

• Define, design, and document secure architectures for enterprise and manufacturing systems (MES, ERP, SCADA, PLM, etc.).
• Integrate application security principles across IT and OT environments, ensuring seamless and secure interoperability.
• Evaluate and recommend security frameworks supporting DevSecOps and digital transformation initiatives.

Secure SDLC & Governance

• Establish and maintain secure development policies aligned with NIST, ISO 27001, and relevant industry frameworks.
• Embed automated security controls (SAST, DAST, SCA, IaC scanning) within CI/CD pipelines and evaluate outcomes.
• Collaborate with development teams on threat modeling, secure design reviews, and code audits.
• Define architecture-level mitigations for vulnerabilities and ensure remediation aligns with business risk priorities.
• Define application-level logging and monitoring requirements to support SIEM/SOAR integration and runtime threat detection.

Vulnerability & Risk Management

• Lead enterprise-wide application and API vulnerability management.
• Oversee risk evaluations for software components, IIoT platforms, and connected devices.
• Manage relationships with third-party assessors, vendors, and integrators, including penetration testing activities.

Tooling, Automation & Continuous Improvement

• Architect and maintain security tools for SAST, DAST, IAST, SCA, and threat modeling.
• Drive automation and secure coding adoption across development teams.
• Continuously assess emerging tools and technologies relevant to manufacturing systems security.

Training & Awareness

• Develop and deliver secure coding and application security training for developers, engineers, and OT application owners.
• Promote a culture of “security by design” across software and engineering teams.

Collaboration & Leadership

• Advise product managers, solution architects, and system integrators on secure architecture best practices.
• Participate in architecture review boards and cyber risk management committees.
• Represent application security in enterprise cyber initiatives, compliance reviews, and digital innovation projects.

Qualifications

Candidate Profile

Professional Experience & Qualifications

• Bachelor’s degree in Computer Science, Information Security, Engineering, or related field.
• 5+ years in Information Security, including 3+ years in application or solution architecture.
• Experience with secure application design, cloud-native security, and manufacturing environments.
• Hands-on experience with DevSecOps, CI/CD security integration.
• Knowledge of OWASP ASVS, SAMM, NIST 800-53, IEC 62443.
• Understanding of OT/IIoT security, device authentication, and edge computing.Strong communication and stakeholder management skills.
• Fluent in English; military obligations fulfilled (where applicable).

Preferred:Master’s degree; CISSP/CISM/ OSWE; Kubernetes and container security experience; awareness of AI security; experience with data protection and privacy-by-design.

Technical Expertise

• Secure application and system architecture (enterprise & industrial).
• IAM, API security, encryption, and data protection practices.
• SAST, DAST, SCA, IAST, and IaC scanning tools.
• DevSecOps workflows and CI/CD security.
• OT/IIoT technologies and secure system integration.
• Application vulnerability management and threat modeling.
• Application security logging, monitoring, and detection engineering.

Behavioral Competencies

• Strategic thinker with strong analytical skills.
• Clear communicator across IT, OT, engineering, and development.
• Collaborative and able to influence cross-functional teams.
• Proactive, innovative, and committed to continuous improvement.
• Ability to balance security and operational requirements in fast-moving manufacturing or industrial environments.