This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Security Engineer based in Ireland.
As a Senior Security Engineer, you will play a key role in strengthening security across modern cloud-native applications and infrastructure in a fast-paced, product-driven environment. Working across application security, cloud platforms, Kubernetes ecosystems, and secure software delivery practices, you will help embed security into every stage of the development lifecycle. This position offers the opportunity to influence architecture, implement scalable security controls, and collaborate closely with engineering and platform teams. You will contribute to protecting sensitive user data while supporting innovation and operational excellence. The role combines hands-on technical work with strategic security initiatives, making a direct impact on product reliability, compliance, and customer trust. It is an ideal opportunity for an experienced security professional who thrives in highly collaborative and engineering-focused environments.
Accountabilities
- Lead and continuously improve application security practices across the software development lifecycle, including secure design reviews, threat modeling, code reviews, and integration of automated security testing tools.
- Strengthen cloud and containerized environments by implementing and maintaining security controls across AWS, Kubernetes/EKS, identity and access management, network segmentation, workload security, and secrets management.
- Design, implement, and enhance service mesh security controls, including authentication, authorization, encryption, and secure service-to-service communication.
- Develop security guardrails and automation through policy-as-code frameworks, reusable templates, and developer-friendly self-service security tooling.
- Improve software supply chain security by establishing secure build and release processes, artifact validation, dependency visibility, image signing, and provenance controls.
- Drive vulnerability management initiatives, including risk assessment, prioritization, remediation coordination, and validation of security improvements.
- Implement and maintain technical security controls supporting compliance frameworks and data protection requirements, including access control, encryption, logging, monitoring, and audit readiness.
- Partner with engineering, platform, and operations teams to design, deploy, operate, and continuously improve security services and processes.
Requirements
- Minimum 5 years of experience in security engineering, application security, cloud security, or software engineering with a strong focus on security.
- Strong expertise in application security, including threat modeling, secure code review, API security, and mitigation of common application and API vulnerabilities.
- Hands-on experience securing production environments running on AWS and Kubernetes/EKS.
- Practical experience implementing and managing security controls within service mesh environments such as Istio.
- Strong programming skills in Go or Python, with the ability to develop automation, tooling, and integrations.
- Experience securing CI/CD pipelines and working with Infrastructure as Code technologies, including Terraform, GitOps workflows, or similar platforms.
- Knowledge of Kubernetes security, networking, and policy enforcement tools such as Kyverno, OPA, or Cilium.
- Ability to translate security, privacy, and compliance requirements into effective technical solutions.
- Experience working within regulated environments governed by frameworks such as HIPAA, SOC 2, ISO 27001, or similar standards.
- Strong ownership mindset with the ability to independently drive projects from concept through operational maturity.
- Excellent written and verbal communication skills in English.
- Additional experience with supply chain security tools, penetration testing, offensive security practices, or bug bounty programs is considered an advantage.
Benefits
- Competitive compensation package aligned with experience and expertise.
- Equity or stock option opportunities.
- Full equipment and technology setup provided.
- 21 days of annual leave in addition to public holidays.
- Fully remote work option for eligible candidates.
- Flexible and collaborative international work environment.
- Opportunity to work with modern cloud-native technologies and security tooling.
- Exposure to large-scale products used by millions of users worldwide.
- Career growth opportunities within a high-performing engineering organization.