Mobile and Cloud Security Engineer

At CSIT, we are at the forefront of cybersecurity, engaging in innovative research and development to identify system vulnerabilities and defend against sophisticated cyber threats. Our focus spans a wide array of platforms, including cloud computing, enterprise systems, mobile devices, and critical infrastructure. We are seeking dynamic individuals who are not only passionate about cybersecurity but are also eager to contribute significantly to the enhancement of Singapore's national security.Position OverviewAs a Mobile and Cloud Security Engineer, you will lead the development and deployment of state-of-the-art security solutions tailored for mobile and cloud environments. Your key responsibilities will encompass:Performing comprehensive vulnerability assessments and penetration testing for mobile, cloud, and web applications, including Content Delivery Networks (CDN) and edge computing environments.Creating and maintaining robust security tools and services applicable to mobile, cloud, and web platforms.Collaborating with cybersecurity researchers to proactively address emerging threats and innovate new security measures.Working across various teams to design and implement secure architectures for mobile, cloud, and web systems.Engaging in incident response and threat hunting initiatives to safeguard our digital assets.

Encora is seeking an AWS Cloud Security Engineer in Singapore to help strengthen and protect our cloud infrastructure. This position focuses on implementing and maintaining AWS security controls, supporting compliance, and safeguarding sensitive data across our environments. What you will do Develop and enforce AWS security policies, including IAM hardening, Service Control Policies (SCPs), GuardDuty, Security Hub, CloudTrail, Config, KMS, VPC security, S3 security controls, and multi-account governance. Design and implement secure AWS landing zones and multi-account architectures, ideally using Control Tower. Manage Cloud Security Posture Management (CSPM), monitor compliance continuously, and automate remediation. Lead incident response efforts for AWS environments, addressing issues such as compromised IAM keys, misconfigurations, exposed services, and zero-day vulnerabilities. Ensure Infrastructure-as-Code security with Terraform or CloudFormation, and integrate security controls into CI/CD pipelines. Integrate AWS security logs into SIEM systems (preferably Elastic) and troubleshoot log pipelines as needed. Improve container security with EKS security measures, image scanning, and IAM roles for service accounts. Skills and experience Strong understanding of networking concepts, including VPC, NACL, Security Groups, Transit Gateway, and Linux fundamentals. Experience with AWS Security certifications, with preference for AWS Security Specialty. Ability to work independently, show initiative, and collaborate effectively with stakeholders.

Role: Principal Security Engineer - Cloud & InnovationAs a key player in a leading organization, you will spearhead initiatives in cloud security, zero trust architecture, and advanced threat detection across multi-cloud environments. This position is perfect for individuals who are passionate about crafting cutting-edge security solutions at the convergence of cloud technologies, Kubernetes, and AI security.Key ResponsibilitiesLead security innovation efforts by identifying and addressing emerging threats in cloud, container, and AI systems, creating scalable solutions.Conduct research, prototype, and implement advanced security capabilities from initial proof-of-concept to full production deployment.Design and enhance runtime security mechanisms for Kubernetes and cloud-native environments.Simulate multi-cloud attack scenarios to improve detection and response strategies.Develop and implement frameworks for security automation and policy-as-code.Architect and promote security best practices across multi-cloud platforms, focusing on IAM, logging, encryption, and network controls.Oversee Kubernetes security initiatives, including workload protection, admission controls, and supply chain security measures.Investigate and integrate emerging security technologies such as eBPF, confidential computing, and AI security methodologies.Work collaboratively with cross-functional teams to ensure secure system design and implementation.

Assurity Trusted Solutions (ATS) is a subsidiary of the Government Technology Agency (GovTech) in Singapore. ATS brings over a decade of experience delivering digital and cybersecurity solutions for both government and commercial partners. The team supports infrastructure management, governance, assurance, and managed security processes as digital needs evolve. Role overview The Cloud & AI Security Engineer joins ATS to help design and secure cloud infrastructure, deployment platforms, and AI/LLM services. Reporting to the CIOO/CISO, this position is suited to junior or mid-level engineers with a strong foundation in cloud technologies who want to deepen their expertise in cloud security, automation, and AI security. What you will do Secure cloud platforms and deployment workflows: Assess and improve cloud infrastructure and deployment patterns, focusing on networking, IAM, logging, and data protection. Integrate security into CI/CD pipelines across build, test, deploy, and guardrail processes. Support MCP and AI/LLM security: Assist in designing and applying security controls for the MCP server and governance layers, with attention to secure context management, access controls, and preventing context injection. Automate control validation: Build and maintain automated checks for cloud and SaaS workloads using IaC scanning, policy-as-code, and integrated pipeline checks. Harden SaaS services: Support security assessments and control validations for key SaaS platforms. Collaborate with product and platform teams to address vulnerabilities sustainably. Run cloud posture tooling: Help deploy and manage cloud configuration and posture management tools (such as Wiz or similar CSPM). Ensure security telemetry is available for central monitoring and analytics. Location This role is based in Singapore.

Join our team as a Mobile Cyber Security Software Engineer, where you will play a crucial role in developing and enhancing security solutions for mobile applications. In this position, you will collaborate with a dedicated team of cybersecurity professionals to design, implement, and test solutions that protect user data and privacy. You will work on cutting-edge technologies and contribute to the overall security architecture of our mobile products.

Team: Information SecurityPosition Overview:Join Squarepoint Capital as a Senior Information Security Engineer, where you will leverage your expertise to enhance our security posture. In this critical role, you will provide expert guidance and implement improvements across essential domains including network, cloud, data, and system security. You will serve as the escalation point for Security Operations, effectively analyzing and resolving complex security issues. Key responsibilities include overseeing security for vital IT projects, leading threat modeling for intricate systems, auditing for security vulnerabilities, and developing automated capabilities to continuously assess the effectiveness and resilience of our controls. This role presents a unique opportunity to spearhead security initiatives and influence our security roadmap. A high degree of self-motivation and proactivity is essential for success in this position.Enhance security measures across core areas such as network and system security, email security, cloud security, and data protection.Act as a security advisor for IT projects, ensuring compliance with security requirements and risk mitigation.Manage and optimize security tools, ensuring effective deployment and maintenance.Lead the design and development of security solutions and architectures protecting critical assets.Provide second-line support to Security Operations.Conduct threat modeling and risk assessments to identify vulnerabilities and execute proactive mitigation strategies.Oversee relationships with the Managed Detection and Response (MDR) provider, ensuring service efficiency and continuous enhancement.Implement initiatives from the security roadmap, aligning with business goals and emerging threats.Collaborate with cross-functional teams to elevate security awareness and integrate security into business processes.

Nodeworthy develops an integrated decentralized platform that serves one of the crypto sector’s largest communities. With billions traded daily, the company prioritizes security at every level, delivering resilient infrastructure for users and partners in the evolving blockchain space. Location This is an onsite role based in Singapore or Malaysia. Role overview The Security Engineer will help shape and expand security practices for both cloud infrastructure and applications. This role works closely with infrastructure and product teams to design secure systems, enforce rigorous controls, and address risks proactively. A strong background in defensive security, technical expertise, and hands-on experience with modern cloud environments are important for success in this position. Main responsibilities Design and deploy security controls for cloud and application infrastructure. Maintain and improve security standards in AWS environments. Manage and optimize IAM systems, including roles, policies, and access governance. Collaborate with engineering teams to embed security into system architecture and development processes. Identify vulnerabilities and develop mitigation strategies for infrastructure and applications.

About ClickHouseRecognized in the 2025 Forbes Cloud 100 list, ClickHouse stands out as a pioneer in the cloud industry, delivering exceptional real-time analytics, data warehousing, observability, and AI workloads. With a customer base exceeding 3,000 and an astounding annual recurring revenue (ARR) growth of over 250% year-over-year, we are at the forefront of innovation.The recent $400 million Series D funding round underscores our rapid growth and has attracted major clients including Capital One, Lovable, Decagon, Polymarket, and Airwallex, joining the ranks of renowned brands like Meta, Cursor, Sony, and Tesla.Join us on our mission to revolutionize data utilization in businesses and be a part of our exciting journey!The Security Team at ClickHouse is dedicated to enhancing security across applications, cloud environments, and enterprises. We seek a seasoned security engineer who is hands-on and passionate about advancing modern security methodologies and tools, specifically in detection and incident response.

Join our dynamic team as a dedicated Security Engineer, where your expertise will play a crucial role in safeguarding our infrastructure and applications. You will collaborate with cross-functional teams to monitor, respond to, and address security incidents within our cloud-native ecosystem, ensuring compliance and resilience.Key Responsibilities:Security Monitoring & Incident Response• Manage alerts from AWS GuardDuty, ensuring prompt investigation and remediation.• Implement and refine security playbooks to address alerts, adapting to evolving threats and operational insights.Vulnerability & Patch Management• Lead the identification and application of security patches across GitLab, AWS, and Kubernetes environments.• Ensure infrastructure resilience through regular patch cycles and proactive risk assessments.Log Analysis & SIEM Management• Conduct weekly SIEM reviews to analyze security logs for anomalies and escalate issues as necessary.• Collaborate with the SecOps team to enhance monitoring strategies and alerting thresholds.Reporting & Documentation• Generate monthly SecOps reports summarizing incident trends, responses, and areas for improvement.• Maintain comprehensive documentation related to security processes and incident responses.Collaboration & Continuous Improvement• Partner with development, operations, and other security teams to integrate security best practices into CI/CD pipelines and cloud deployments.• Actively contribute to discussions on security strategy, providing insights and recommendations to bolster our security posture.

Join csit as a Cyber Security Vulnerability Researcher focusing on mobile platforms. In this pivotal role, you will be tasked with identifying, analyzing, and mitigating vulnerabilities in mobile applications and systems. Collaborate with cross-functional teams to enhance the security posture of our mobile products and contribute to the development of cutting-edge security solutions.

Join our dynamic tech team at manusai as a Senior Information Security Engineer. In this crucial role, you will spearhead the design, implementation, and enhancement of security measures across our extensive global multi-cloud environment. Your expertise will not only address security incidents but will also shape innovative security strategies for the future.Key ResponsibilitiesThreat Modeling & Incident Response: Establish and uphold global cloud security incident response protocols, craft comprehensive playbooks, and lead routine drills. Efficiently manage intricate security incidents, perform thorough root cause analyses (RCA), and implement safeguarding measures.Security Architecture & Operations: Conceptualize, deploy, and sustain security solutions across multi-cloud platforms (AWS, GCP, Azure), ensuring that architecture is scalable, resilient, and adaptable to future needs.Enterprise Security Leadership: Align security strategies with business objectives, enhancing the overall security maturity of the organization.Compliance & Automation: Ensure adherence to international security standards such as ISO 27001, ISO 27701, and SOC 2. Advocate for security automation and “Security as Code” initiatives to elevate operational efficiency.Vulnerability Management & Penetration Testing: Execute regular vulnerability assessments, risk evaluations, and penetration tests. Monitor emerging threats and coordinate remediation efforts effectively.QualificationsRequired:Bachelor’s degree in Computer Science, Cybersecurity, or a related discipline, coupled with a minimum of 3 years of experience in information security.Extensive knowledge in cloud security, with practical experience in at least two major cloud platforms (AWS, GCP, Azure) and associated security tools (e.g., AWS Security Hub, GCP Security Command Center).Proficient in Linux system security, including hardening, log analysis, intrusion detection, and incident response.Demonstrated ability to manage high-pressure security incidents and conduct effective post-incident reviews.In-depth knowledge of web and application security, with experience in penetration testing and code reviews.Preferred:Relevant certifications such as CISSP, CISM, or similar.Experience with security-related scripting and automation.

As a Cyber Security Researcher (Mobile) at csit, you will be at the forefront of mobile cybersecurity innovation. Your role will involve conducting in-depth research on mobile security threats, developing advanced security solutions, and collaborating with cross-functional teams to enhance our cybersecurity frameworks.Join us in our mission to protect users from emerging cyber threats and contribute to groundbreaking research that shapes the future of mobile security.

Join a vibrant team dedicated to the exploration, design, management, and optimization of our on-premises cloud infrastructure platforms and services. As a Cloud Infrastructure Engineer, you will collaborate with skilled cloud infrastructure engineers to implement robust cloud networking, storage solutions, virtual machines, and security measures. A solid understanding of cloud infrastructure technologies, architectural principles, and site reliability engineering (SRE) is essential for success in this role.

Join our dynamic team at CSIT as a Cyber Security Vulnerability Researcher focusing on Cloud Platforms. In this critical role, you will be responsible for identifying, analyzing, and mitigating potential security vulnerabilities across various cloud environments. Your expertise will help safeguard our clients' data and ensure robust security protocols are in place.

As a Senior Cloud Engineer, you will play a pivotal role in managing cloud operations within our delivery team. This position involves executing daily cloud operations and implementing cloud solutions in various technical customer engagements, which may include basic operations, administration, and specific implementation projects or pilots in the cloud environment. We are seeking a Cloud Engineer with a proven track record in delivery roles, strong skills in implementation discussions, hands-on experience, excellent client handling capabilities, and a collaborative spirit. You will be responsible for providing solutions and technical expertise to your team members and client accounts.Responsibilities:Implement and manage complex cloud network architectures across AWS and Azure ecosystems, ensuring optimal performance and security. Facilitate the migration of network services and cloud workloads while minimizing downtime and disruption.Demonstrate familiarity with AWS/Azure native components such as firewalls, SaaS connectivity, NLB, ELB, GWLB, NAT Gateways, Transit Gateways, API Gateways, Control Tower, and CloudFront.Design, implement, test, secure, manage, and maintain infrastructure network systems.Utilize Infrastructure as Code (IaC) tools, particularly Terraform, for infrastructure deployment and management.Oversee project planning, execution, and supervision, ensuring timely completion within the budget. Collaborate closely with various teams to foster a cooperative environment that supports knowledge sharing and project success.Maintain comprehensive documentation throughout the project lifecycle, including network diagrams, configuration details, and operational procedures. Effectively communicate complex technical concepts to non-technical stakeholders.Conduct thorough testing after migration to validate the functionality and performance of the newly implemented network. Provide ongoing support post-migration, including troubleshooting network issues and optimizing network performance.Work closely with the Team Leader to achieve system delivery milestones.Provide technical documentation support to project and solutions teams, and hand over as-built documentation to the maintenance support team.Engage with back-line support and vendors to diagnose and resolve technical issues.Assist in the daily operations of the system delivery team.Perform additional technical duties as required.Respond promptly to incidents and service requests (SRs).Administer NAC ClearPass for security posture enforcement.Analyze network utilization patterns to recommend and implement corrective and preventive measures.Provide standby support during network upgrades.

Join our dynamic team at NCS as a Senior Cloud Engineer, where you will play a pivotal role in cloud operations within the delivery team. Your responsibilities will include executing daily cloud operations and implementing cloud solutions during technical engagements with customers, which encompass basic operations, administration, and specific implementation projects and pilots in the Cloud.The ideal Cloud Engineer will bring substantial experience in delivery roles, demonstrating success in implementation discussions, and possess strong client handling skills along with the ability to work effectively within a team. You will be expected to provide innovative solutions and technical guidance to your colleagues and clients.Your Responsibilities:Utilize your technical knowledge and hands-on expertise to manage and administer cloud infrastructure.Ensure configurations meet high standards for performance, security, scalability, maintainability, and reliability, adhering to design documentation specifications.Implement configurations with automation best practices in new projects, ensuring thorough documentation is maintained.Automate cloud system management using tools such as Ansible, CloudFormation, and Terraform while maintaining clear documentation.Work collaboratively with Cloud Solution Architects to provide technical insights in cloud operations and administration.Participate in cloud migration projects for VMs, ideally having experience with migrating over 50 VMs or databases using tools like CloudEndure.Engage with clients during operational meetings to enhance processes and contribute to optimizations for their environments.Stay updated on technical skills, certifications, and market trends, actively sharing knowledge within the cloud community.Manage issues effectively, ensuring proper resolution, documentation, and adherence to Service Level Agreements (SLAs).

Join our dynamic team at NCS as a Cloud Engineer (Cloud Hosting)! We are on the lookout for innovative minds who excel at merging technology with human needs. If you are committed to delivering exceptional service and eager to elevate our cloud operations to new heights, we want to hear from you!Role OverviewThis client-facing position involves collaborating within our delivery team to manage cloud operations. You will be responsible for executing daily cloud operations and implementing cloud solutions during technical customer engagements. This includes basic operations, administration, specific implementation projects, and pilot programs within the cloud realm.The ideal candidate will possess significant experience in delivery roles, a track record of successful implementation discussions, and strong client management skills. You should be a proactive team player, ready to share your expertise and provide solutions to both your peers and clients.Key Responsibilities:Utilize your technical expertise and hands-on experience to manage and administer cloud infrastructure effectively.Ensure all configurations meet high standards of performance, security, scalability, maintainability, and reliability, in line with design specifications.Implement configurations with automation principles in mind for new projects, ensuring thorough documentation.Automate the maintenance of cloud systems using tools like Ansible, CloudFormation, and Terraform, with proper documentation.Collaborate with Cloud Solution Architects to provide technical guidance on cloud operations and administration.Participate in cloud migrations for virtual machines (VMs), preferably with experience in migrating over 50 VMs or databases using tools like CloudEndure.Engage with clients during operational meetings to discuss process improvements and contribute to optimizing their environments.Stay updated with the latest technical skills, certifications, and market trends, sharing insights with the technical community, especially in cloud computing.Manage and resolve issues with appropriate documentation and adherence to service-level agreements (SLAs).Oversee the administration and troubleshooting of Unix servers (Linux, Solaris, Ubuntu, etc.).Proficiently install Unix OS and demonstrate strong troubleshooting skills, with knowledge in securing and hardening Unix systems.Expertise in OS clustering for high availability and implementation of IT security policies.Experience in supporting SAN environments and managing storage space effectively.Perform upgrades and apply patches or firmware updates to virtual environments.

Join CSIT as a Cloud Platform Engineer, where you will dive into modern cloud technologies to enhance and modernize our on-premise platform services.As a pivotal member of the Runtime Platform team, you will contribute to the delivery of secure, reliable, and scalable platform services that simplify infrastructure complexities. This enables software engineers to effectively deploy and manage cloud-native applications while upholding strong security and compliance protocols.Our team manages a multi-tenanted platform that integrates numerous enhancements tailored to our developers' unique needs, directly boosting productivity through both third-party technologies and custom workflow improvements.

Join our dynamic team at ncs3 as a Cloud Engineer, where you will be at the forefront of cloud technology innovation. As a key member of our engineering group, you will design, implement, and maintain cloud solutions that empower our clients to achieve their business objectives. You will work collaboratively with cross-functional teams to deliver high-quality solutions that meet the needs of our customers.

Join CoreWeave as a Senior Cloud Support Engineer and be at the forefront of the AI revolution! In this pivotal role, you will empower clients to harness our cutting-edge Kubernetes-powered HPC cloud infrastructure. Collaborate with engineers and researchers to troubleshoot issues affecting high-stakes, mission-critical applications and advanced AI training workloads. Your expertise will be essential in ensuring optimal performance and reliability for our customers, placing you at the heart of transformative technologies that are reshaping industries worldwide.