Overview
We are seeking a Security Operations (SecOps) Engineer to join our team and strengthen our security posture across infrastructure, applications, and processes. The ideal candidate will be hands-on in securing systems, monitoring threats, and responding to incidents, while also bringing strong experience in PCI DSS compliance and audits. This role sits at the intersection of operations, security, and compliance, ensuring that our environments remain both secure and compliant with industry standards.
Responsibilities
* Design, implement, and maintain security controls across infrastructure and applications.
* Monitor, detect, and respond to security incidents, escalating where necessary.
* Manage and optimize SIEM, IDS/IPS, vulnerability management, and endpoint security tools.
* Partner with DevOps and IT teams to embed Infrastructure as Code Security into CI/CD pipelines and cloud deployments.
* Lead and support PCI DSS compliance initiatives, including:
o Preparing for audits, ensuring controls are in place and effective.
o Gathering evidence, coordinating with auditors, and remediating findings.
o Maintaining continuous compliance and tracking remediation activities.
* Conduct regular security risk assessments, coordinate penetration testing, and perform vulnerability scanning.
* Develop and maintain a strong security posture, and respond to requests regarding our policies and standards (RFI/RFPs).
* Stay up to date on emerging threats, vulnerabilities, and compliance requirements.
Requirements
* Proven experience in a Security Operations Engineer / SecOps / Security Engineer role and knowledge of industry standards such as OWASP.
* Strong technical knowledge across cloud (especially AWS), Linux/Windows systems, and networking.
* Hands-on experience with security tools (e.g., SIEM, IDS/IPS, vulnerability scanners, endpoint protection).
* Demonstrated experience with PCI DSS compliance and audit processes (preparation, remediation, evidence collection, audit liaison).
* Strong incident response, troubleshooting, and problem-solving skills.
* Excellent communication skills, with the ability to work cross-functionally and liaise with auditors, stakeholders, and leadership.
Nice-to-Have
* Familiarity with ISO 27001, SOC 2, or NIST.
* Security certifications such as CISSP, CISM, CISA, CEH, or PCI Professional (PCIP).
* Scripting/automation skills (Python, Bash, PowerShell, or similar).
* Knowledge of zero-trust architectures and advanced threat detection strategies.
What We Offer
* Opportunity to shape and mature a growing security function.
* Exposure to both hands-on technical security operations and strategic compliance initiatives.
* Competitive compensation, benefits, and professional development support.
* A collaborative culture where security is a top priority.
Key Relationships
* Customer
o Provide standards to customer security teams and address any existing or potential customer inquiries.
* Cloud Engineering
o Address security concerns with existing and new hosting infrastructure design. This team also provides resourcing for PCI initiatives.
* Development Teams
o Ensure that potential vulnerabilities found are raised to the product development teams as necessary.
About Datalex
Datalex's purpose is to transform airline retail. Datalex is a market leader in airline retail technology, offering unique products that enable airlines to drive revenue and profit as digital retailers. Datalex has a strong track record of delivering digital retail transformation for progressive airline brands worldwide, including Aer Lingus, easyJet, JetBlue Airways, Air China, Edelweiss, Air Transat, and Air Macau. The Group is headquartered in Dublin, Ireland, and maintains offices across Europe, the USA and China. In 2024, Datalex was awarded the "Great Place to Work" and "Best Workplaces in Tech" certificates. Datalex plc is a publicly listed company on Euronext Growth, Dublin. Learn more at www.datalex.com or follow on LinkedIn @Datalex.
Seniority level
* Mid-Senior level
Employment type
* Full-time
Job function
* Engineering and Information Technology
Industries
* Software Development
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