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Application Security Engineer

ZZP / Freelance

Industry: AAA Gaming Studio
Location: Fully Remote (Netherlands)
Contract Length: 12-18 months

About the Role

A fast‑growing gaming studio is looking for an Application Security Engineer to embed secure development practices into their high‑velocity game and platform engineering teams. You'll help secure game engines, back‑end services, and player‑facing APIs used by millions worldwide.

Key Responsibilities

Skills & Experience

GCS is acting as an Employment Business in relation to this vacancy.

This position provides leadership within the Cyber Solutions Consulting function, supporting senior management in achieving team and organisational objectives. The role combines technical oversight, delivery excellence, and cross‑functional collaboration across presales and project engagements. It also includes guiding internal technology architecture initiatives.

Manage and supervise the Cyber Solutions Consulting team.

Design solutions and capabilities for cyber transformation programmes, assessments, remediation activities, roadmap development, systems integration, and solution deployments.

Contribute to the organisation's project delivery framework and provide technical oversight across internal and client-facing projects.

Support the ongoing development of Cyber Solutions Delivery policies, procedures, and standards.

Help define and implement standard operating procedures for various delivery activities.

Collaborate with partners, vendors, QA teams, and account managers to provide technical direction and solution design guidance.

Generate innovative ideas that drive meaningful change in client environments-improving efficiency, reducing costs, or increasing value.

Lead the design of solutions aligned with client strategy and present clear, quantifiable value propositions.

Translate client objectives and success factors into actionable strategies, plans, and enterprise architecture.

Work closely with clients to deliver end‑to‑end cyber resilience advisory, transformation, and operational support.

Gather and analyse client requirements, perform problem‑solving, and support decision‑making.

Review technical and business processes, standards, and procedures, recommending improvements.

Contribute to the Cyber Solutions Consulting strategy to ensure alignment with broader business goals.

Support sales pursuits, including bid development, pricing, and estimations.

Identify new business opportunities and participate in meetings with prospective clients.

Coach team members in preparing proposals, marketing materials, and case studies.

Support financial performance management for Cyber Solutions and Delivery.

Develop commercially viable proposals.

Build and manage technical capabilities within the team, including resource planning, skills development, and ensuring certifications align with business needs.

Define architectural standards for client solution design and deployment.

Implement best practices, optimise processes, and establish performance metrics to enhance team effectiveness.

Lead teams to achieve results by aligning performance plans with operational objectives.

Track team performance, ensure targets are met, and manage communication around shared goals.

Deep expertise in cybersecurity architecture, controls, and industry best practices.

Professional certification such as CISSP (or equivalent experience).

At least 10 years of enterprise‑level experience, ideally in a client‑facing systems integration environment.

Additional industry certifications (e.g., CISM, CISA) are advantageous.

Bachelor's degree in Computer Science, Information Security, Cybersecurity, or a related field.

GCS is acting as an Employment Agency in relation to this vacancy.

Dubai, United Arab Emirates

We are seeking a skilled CrowdStrike Certified SIEM Engineer to design, implement, optimise, and support security monitoring capabilities built on the CrowdStrike Falcon platform and LogScale SIEM. The ideal candidate will have strong experience in detection engineering, log ingestion pipelines, threat analytics, and SOC enablement within modern cloud‑native environments.

You will work closely with security operations teams, threat hunters, incident responders, and infrastructure stakeholders to ensure high‑fidelity detections, efficient log management, and continuous improvement of monitoring capabilities. This role requires strong technical depth, analytical thinking, and the ability to translate security requirements into scalable SIEM solutions.

Deploy, configure, and maintain CrowdStrike LogScale and associated Falcon platform components.

Build and optimise log ingestion pipelines, parsers, schemas, and data retention policies.

Ensure reliable onboarding of data sources across cloud, endpoint, network, and application layers.

Maintain SIEM health, performance, and scalability through continuous tuning and optimisation.

Develop, test, and deploy detection rules, queries, dashboards, and correlation logic in LogScale.

Align detection content with MITRE ATT&CK, threat intelligence, and emerging adversary behaviours.

Reduce false positives through rule tuning, enrichment logic, and contextual data modelling.

Collaborate with SOC analysts to enhance alert quality and response workflows.

Support SOC teams with advanced query development, log analysis, and incident investigations.

Provide technical expertise during major incidents, threat hunts, and forensic activities.

Build automated workflows and integrations using Falcon Fusion, SOAR tools, or API‑based automation.

Integrate CrowdStrike SIEM with third‑party tools such as EDR/XDR, NDR, cloud platforms, firewalls, IAM, and vulnerability scanners.

Work with infrastructure and cloud teams to ensure secure, scalable, and compliant log collection.

Contribute to the design of end‑to‑end monitoring architectures and security data strategies.

Maintain documentation including runbooks, ingestion guides, detection catalogues, and architecture diagrams.

Ensure SIEM configurations align with regulatory requirements and internal security standards.

Drive continuous improvement through lessons learned, platform enhancements, and capability uplift.

Work closely with SOC, Threat Intelligence, Cloud, DevOps, and IT teams to support monitoring needs.

Provide technical guidance to stakeholders on logging requirements, detection gaps, and platform capabilities.

Participate in workshops, design sessions, and security reviews.

GCS is acting as an Employment Agency in relation to this vacancy.

Dubai, United Arab Emirates

We are seeking a skilled CrowdStrike Certified SIEM Engineer to design, implement, optimise, and support security monitoring capabilities built on the CrowdStrike Falcon platform and LogScale SIEM. The ideal candidate will have strong experience in detection engineering, log ingestion pipelines, threat analytics, and SOC enablement within modern cloud‑native environments.

You will work closely with security operations teams, threat hunters, incident responders, and infrastructure stakeholders to ensure high‑fidelity detections, efficient log management, and continuous improvement of monitoring capabilities. This role requires strong technical depth, analytical thinking, and the ability to translate security requirements into scalable SIEM solutions.

Deploy, configure, and maintain CrowdStrike LogScale and associated Falcon platform components.

Build and optimise log ingestion pipelines, parsers, schemas, and data retention policies.

Ensure reliable onboarding of data sources across cloud, endpoint, network, and application layers.

Maintain SIEM health, performance, and scalability through continuous tuning and optimisation.

Develop, test, and deploy detection rules, queries, dashboards, and correlation logic in LogScale.

Align detection content with MITRE ATT&CK, threat intelligence, and emerging adversary behaviours.

Reduce false positives through rule tuning, enrichment logic, and contextual data modelling.

Collaborate with SOC analysts to enhance alert quality and response workflows.

Support SOC teams with advanced query development, log analysis, and incident investigations.

Provide technical expertise during major incidents, threat hunts, and forensic activities.

Build automated workflows and integrations using Falcon Fusion, SOAR tools, or API‑based automation.

Integrate CrowdStrike SIEM with third‑party tools such as EDR/XDR, NDR, cloud platforms, firewalls, IAM, and vulnerability scanners.

Work with infrastructure and cloud teams to ensure secure, scalable, and compliant log collection.

Contribute to the design of end‑to‑end monitoring architectures and security data strategies.

Maintain documentation including runbooks, ingestion guides, detection catalogues, and architecture diagrams.

Ensure SIEM configurations align with regulatory requirements and internal security standards.

Drive continuous improvement through lessons learned, platform enhancements, and capability uplift.

Work closely with SOC, Threat Intelligence, Cloud, DevOps, and IT teams to support monitoring needs.

Provide technical guidance to stakeholders on logging requirements, detection gaps, and platform capabilities.

Participate in workshops, design sessions, and security reviews.

GCS is acting as an Employment Agency in relation to this vacancy.

This position provides leadership within the Cyber Solutions Consulting function, supporting senior management in achieving team and organisational objectives. The role combines technical oversight, delivery excellence, and cross‑functional collaboration across presales and project engagements. It also includes guiding internal technology architecture initiatives.

Manage and supervise the Cyber Solutions Consulting team.

Design solutions and capabilities for cyber transformation programmes, assessments, remediation activities, roadmap development, systems integration, and solution deployments.

Contribute to the organisation's project delivery framework and provide technical oversight across internal and client-facing projects.

Support the ongoing development of Cyber Solutions Delivery policies, procedures, and standards.

Help define and implement standard operating procedures for various delivery activities.

Collaborate with partners, vendors, QA teams, and account managers to provide technical direction and solution design guidance.

Generate innovative ideas that drive meaningful change in client environments-improving efficiency, reducing costs, or increasing value.

Lead the design of solutions aligned with client strategy and present clear, quantifiable value propositions.

Translate client objectives and success factors into actionable strategies, plans, and enterprise architecture.

Work closely with clients to deliver end‑to‑end cyber resilience advisory, transformation, and operational support.

Gather and analyse client requirements, perform problem‑solving, and support decision‑making.

Review technical and business processes, standards, and procedures, recommending improvements.

Contribute to the Cyber Solutions Consulting strategy to ensure alignment with broader business goals.

Support sales pursuits, including bid development, pricing, and estimations.

Identify new business opportunities and participate in meetings with prospective clients.

Coach team members in preparing proposals, marketing materials, and case studies.

Support financial performance management for Cyber Solutions and Delivery.

Develop commercially viable proposals.

Build and manage technical capabilities within the team, including resource planning, skills development, and ensuring certifications align with business needs.

Define architectural standards for client solution design and deployment.

Implement best practices, optimise processes, and establish performance metrics to enhance team effectiveness.

Lead teams to achieve results by aligning performance plans with operational objectives.

Track team performance, ensure targets are met, and manage communication around shared goals.

Deep expertise in cybersecurity architecture, controls, and industry best practices.

Professional certification such as CISSP (or equivalent experience).

At least 10 years of enterprise‑level experience, ideally in a client‑facing systems integration environment.

Additional industry certifications (e.g., CISM, CISA) are advantageous.

Bachelor's degree in Computer Science, Information Security, Cybersecurity, or a related field.

GCS is acting as an Employment Agency in relation to this vacancy.