Security Assurance Specialist in Katowice

Seargin is an international technology transformation and delivery partner helping global enterprises turn complex technology challenges into measurable business outcomes. With 1,000+ technology professionals and a presence across Europe, the United States and Asia, we work with leading international organisations, including Fortune 500 companies, on business-critical transformation and technology initiatives. Our expertise spans SAP and Enterprise Transformation, Data & AI, M&A and Post-Merger Integration, Application & Managed Services, and complex technology delivery. What makes Seargin different is our ability to combine strategic expertise with hands-on execution. We don’t just advise on transformation - we help design, build, implement and operate the solutions that make it successful. At Seargin, you’ll have the opportunity to: * Contribute to meaningful projects for globally recognised organisations. * Work with experienced technology professionals in international environments. * Develop your expertise across complex enterprise technologies and business challenges. * Take ownership, share ideas and make a tangible impact. * Grow your career in a collaborative, ambitious and internationally connected organisation. Join Seargin and help shape the technology behind global business transformation. About the role

We are looking for an experienced Senior Security Assurance Specialist to provide independent security oversight of IT projects for an international organization. In this individual expert role, you will assess solution architectures, integrations, identity and access management, and security controls throughout the project lifecycle, from design to implementation and go-live. You will work closely with technical teams, project stakeholders and external vendors to identify security risks, challenge proposed solutions and ensure compliance with security standards and organizational policies. Requirements

Several years of experience in Information Security, Security Assurance, Security Assessments or IT Security Audits. Strong understanding of application and integration security, including APIs, interfaces, data exchange, authentication and authorization. Solid knowledge of Identity and Access Management (IAM) concepts and access model design. Experience assessing vulnerabilities and interpreting security scan and penetration testing results. Good knowledge of security standards and frameworks: ISO 27001/27002, NIST, OWASP and CIS Controls. Ability to independently assess security risks and communicate findings to technical and business stakeholders. Experience in an individual expert role, without line or project management responsibilities. Fluent English, both written and spoken. Responsibilities

Provide independent security oversight throughout the project lifecycle, from design to go-live. Review solution architectures, integrations, interfaces, data flows, encryption and authentication mechanisms. Assess identity and access management models, roles, privileges, segregation of duties and least-privilege principles. Challenge project teams and external vendors to ensure security requirements are properly implemented. Review vulnerability scans and penetration testing results, assess risks and follow up on remediation. Identify, document and communicate security risks, providing clear ratings and actionable recommendations. Verify compliance with security policies, standards and relevant regulations. Prepare security assessment reports and present findings to project and business stakeholders. Nice to have

Certifications such as CISSP, CISM, CISA, CCSP or ISO 27001 Lead Auditor (strong advantage). Experience with cloud security (AWS or Azure). Experience working in large, international or regulated environments. Familiarity with NIS2, GDPR or DORA. Experience overseeing security aspects of solutions delivered by external vendors. Contact : elina.reviakina@seargin.com To learn more about Seargin, please visit our web page: www.seargin.com