Total 57 computer security job vacancies in Engineering category

Main Responsibilities

• Work closely with Customer Service Representatives to resolve clients’ security system issues in a timely manner.
• Provide full support and maintenance services, including routine preventive maintenance, troubleshooting, system upgrades, expansions, modifications, and user training.
• Develop detailed system diagrams using AutoCAD.
• Build and maintain strong client relationships while consistently improving customer satisfaction.
• Manage the renewal of support and maintenance contracts.
• Deliver high-quality service by adhering to company standards, policies, and service requirements within the assigned region.
• Carry out regular preventive maintenance and handle day-to-day troubleshooting effectively.
• Monitor and follow up on all open technical issues until they are completely resolved.
• Take full responsibility for service-related matters after project handover from the Project team.

Requirements

• Diploma or higher in Electronic, Computer, Automation, or Mechanical Engineering.
• Prior experience in the security systems field, with knowledge of Access Control or CCTV systems.
• Basic understanding of IT, including hardware, networking, and databases.

ST Engineering is a global technology, defenceand engineering group with offices across Asia, Europe, the Middle East and theU.S., serving customers in more than 100 countries. The Group uses technologyand innovation to solve real-world problems and improve lives through itsdiverse portfolio of businesses across the aerospace, smart city, defence andpublic security segments. Headquartered in Singapore,ST Engineering ranks among the largest companies listed on the SingaporeExchange.

Join our Cyber Team

We are an industry leader in cybersecurity with over two decadesof experience, we deliver a holistic suite of trusted cybersecurity solutionsto empower cyber resilience for government and ministries, criticalinfrastructure, and commercial enterprises. Backed by our indigenouscapabilities and deep domain expertise, we offer robust cyber-secure productsand services in cryptography, cybersecurity engineering, digitalauthentication, SCADA protection, audit and compliance. We specialise in thedesign and build of security operations centres for cybersecurity professionalsand provide managed security services to strengthen the cybersecurity postureof our government and enterprise customers.

Theincumbent will automate and manage machine learning pipelines, enablingseamless model retraining, testing, and deployment to ensure reliable andefficient AI operations. 

Thisrole is ideal for a hands-on MLOpsEngineer who thrives on automating complex AI workflows andensuring the seamless, reliable operation of machine learning systems inproduction environments. 

Responsibilities 

• Design, implement, and maintain automated machine learning pipelines for training, validation, testing, and deployment of AI models. 
• Ensure continuous integration and delivery (CI/CD) of models into production environments, with support for versioning, rollback, and monitoring. 
• Automate model retraining workflows based on triggers such as performance degradation, new data availability, or updated business requirements. 
• Develop and manage infrastructure for scalable and reproducible ML experiments, using tools such as MLflow, Kubeflow, or similar. 
• Collaborate with data scientists and AI engineers to ensure smooth handoff from experimentation to production. 
• Monitor pipeline health, resource usage, and model performance in production, ensuring uptime and fast recovery from failures. 
• Implement testing strategies for models, including unit tests, integration tests, and data validation checks. 
• Optimize pipeline efficiency across compute, storage, and deployment layers. 

Requirements 

Experience 

• More than 3 years of experience in MLOps, DevOps, or machine learning engineering with a focus on operationalizing AI workflows. 
• Proven experience deploying and managing ML models in production environments. 

Technical Skills 

• Proficiency in Python and ML engineering tools (e.g., MLflow, Airflow, DVC, Kubeflow, or similar). 
• Experience with containerization (Docker), orchestration (Kubernetes), and cloud services (AWS, GCP, Azure). 
• Familiarity with CI/CD practices for ML and version control systems (e.g., Git). 
• Understanding of monitoring, logging, and alerting for ML pipelines and models. 

Preferred Knowledge 

• Experience with agentic AI systems or workflows involving continuous learning and tool interaction. 
• Knowledge of data drift detection, model validation, and feedback loop design. 
• Exposure to real-time or streaming data pipelines (Kafka, Flink, etc.). 

Work location: Jurong East

Findout more: https://www.stengg.com/cybersecurity

ST Engineering believes in fostering a culture where team membersare encouraged to overcome challenges, explore new ideas, and work together tosucceed. We value individuals who are determined to push beyond the boundaries,and have a thirst for knowledge, continuous learning, and self-improvement.

ST Engineering is a global technology, defenceand engineering group with offices across Asia, Europe, the Middle East and theU.S., serving customers in more than 100 countries. The Group uses technologyand innovation to solve real-world problems and improve lives through itsdiverse portfolio of businesses across the aerospace, smart city, defence andpublic security segments. Headquartered in Singapore,ST Engineering ranks among the largest companies listed on the SingaporeExchange.

Join our Cyber Team

We are an industry leader in cybersecurity with over two decadesof experience, we deliver a holistic suite of trusted cybersecurity solutionsto empower cyber resilience for government and ministries, criticalinfrastructure, and commercial enterprises. Backed by our indigenouscapabilities and deep domain expertise, we offer robust cyber-secure productsand services in cryptography, cybersecurity engineering, digitalauthentication, SCADA protection, audit and compliance. We specialise in thedesign and build of security operations centres for cybersecurity professionalsand provide managed security services to strengthen the cybersecurity postureof our government and enterprise customers.

Thisrole is ideal for a hands-on AI professional with both technical expertise anddomain sensitivity—capable of shaping intelligent, adaptive agents that performreliably in complex, real-world environments. 

Responsibilities 

• Train and configure agentic AI systems to operate effectively within specialized domains, ensuring alignment with domain-specific goals, constraints, and terminology. 
• Customize agent workflows, toolchains, and decision logic to reflect domain context, operational requirements, and user expectations. 
• Adapt reasoning, planning, and state management components for accuracy and relevance in industry-specific applications. 
• Collaborate with domain experts to capture knowledge, define task flows, and validate agent behavior in representative environments. 
• Fine-tune models and configure tool integrations to support effective interaction, tool use, and decision-making in real-world scenarios. 
• Monitor agent performance, identify misalignments with domain expectations, and iteratively improve workflows and configurations. 
• Support evaluation, simulation, and continuous learning pipelines to refine agent behavior based on feedback and performance data. 
• Document domain-specific configurations, training protocols, and best practices for scalable deployment across similar use cases. 

Requirements 

Experience 

• 5+ years in AI system training, workflow configuration, or intelligent system customization, with a focus on domain adaptation. 
• Experience working with AI/ML tools in applied settings such as healthcare, finance, logistics, manufacturing, or defense. 

Technical Skills 

• Strong proficiency in Python and experience with AI/ML frameworks (e.g., PyTorch, TensorFlow). 
• Familiarity with agentic AI workflows, including planning, tool use, and multi-step task execution. 
• Hands-on experience configuring AI tools, models, and pipelines for use in constrained or specialized environments. 
• Ability to interpret domain-specific requirements and translate them into actionable agent behaviors. 

Preferred Knowledge 

• Exposure to multi-agent systems, LLM orchestration frameworks (e.g., LangChain, Autogen), or intelligent automation platforms. 
• Experience working with structured knowledge bases, ontologies, or knowledge graph integrations. 
• Familiarity with simulation environments or digital twins for domain-specific AI testing and training. 

Work location: Jurong East

Findout more: https://www.stengg.com/cybersecurity

ST Engineering believes in fostering a culture where team membersare encouraged to overcome challenges, explore new ideas, and work together tosucceed. We value individuals who are determined to push beyond the boundaries,and have a thirst for knowledge, continuous learning, and self-improvement.

Interested applicants are invited to apply directly at the NUS Career Portal. Please note your application will only be processed if you apply via NUS Career Portal.

NUS Career Portal link: https://careers.nus.edu.sg/job/SeniorLead-Systems-Engineer-%28IT-Infrastructure-Network%2C-Unix%2C-Security%29%2C-School-of-Computing/32173-en_GB/

We regret that only shortlisted candidates will be notified.

Job Description

An experienced IT professional with advanced technical expertise in networking, Unix-based servers, server virtualisation, storage, and IT security is required in the School of Computing to operate, maintain, manage, and continuously improve its IT infrastructure systems and services, ensuring high availability, performance, and security.

Infrastructure Engineering & Operations

• Design, implement, manage, and continuously improve SoC IT infrastructure across networking, servers (Unix and Windows), virtualisation, and storage.
• Manage daily operations of network systems, including switches, routers, firewalls, wireless, load balancers, and related services.
• Manage servers, virtualisation (e.g. Proxmox, VMware), compute clusters, and storage platforms
• Ensure high availability, performance, and reliability of all infrastructure systems and services.
• Manage server room facilities (UPS, CRAC, power distribution, etc).
• Troubleshoot and resolve infrastructure issues and incidents.

Storage, Backup & Continuity

• Manage storage and backup systems, ensuring data protection, integrity, and timely recovery.
• Develop, maintain, and test disaster recovery (DR) and business continuity (BCP) plans for critical services.

Security & Compliance

• Implement and enforce IT security policies, standards, and baseline configurations.
• Deploy and manage security tools (e.g. logging, authentication, intrusion detection, vulnerability assessment, SIEM), and monitor/respond to security risks and incidents.

Automation, Systems Development & Improvement

• Develop and maintain tools and systems to support automation, system management, asset inventory, and security baseline enforcement.
• Design, develop, and enhance infrastructure-related services and solutions.

Support & Service Delivery

• Provide Level 2/3 technical support and guidance to frontline teams.
• Support teaching and lab environments as required.
• Participate in standby duties and respond to critical incidents.

Governance, Procurement & Documentation

• Prepare technical specifications, evaluate solutions, and manage vendors for IT procurements, including budget oversight.
• Maintain accurate and up-to-date technical documentation.

Collaboration & Leadership

• Provide technical leadership, mentorship, and knowledge sharing within the IT team and to stakeholders.

Qualifications

Qualifications & Core Competencies

• Tertiary degree in Computer Science, Engineering, or a related field, with at least 10 years of relevant experience in networking, Linux/Unix systems, and IT security.
• Strong analytical, problem-solving, and communication skills, with the ability to explain technical concepts and risks to both technical and non-technical stakeholders.
• Self-motivated, proactive, and able to work independently as well as collaboratively across teams.
• Well-organised, with the ability to manage multiple tasks and projects effectively.
• Ability to act as a subject matter expert, providing technical leadership, sound analysis, and mentorship.

Technical Competencies

• Solid hands-on experience in infrastructure domains such asOperating systems and virtualisation (Linux/Unix, Windows, VMware/Proxmox, file systems)Network infrastructure and services (switching, routing, firewalls, VPN, DNS, DHCP)Storage and backup systems
• Working knowledge of IT security principles and practices, including system hardening, patch management, and common attack methods.
• Experience with security operations such as log collection, monitoring, intrusion detection, and incident response.
• Proficiency in scripting or programming (e.g. Bash, Python) for automation.
• Familiarity with open-source technologies and common infrastructure tools.

Additional Advantages

• Relevant certifications (e.g. in networking or security) are a plus.
• Broad familiarity with end-user platforms (e.g. Windows, macOS) is beneficial.

• MNC Company
• Basic $3500 - $4000 + Transport + Mobile + AWS + Variable Bonus
• Excellent Welfare and Benefits + Career progression
• Working location: West
• Working days: Monday to Friday
• Working hours: 8.30am to 5.30pm

Job Responsibilities:

• Handling of measurement and detection equipment for military and homeland security
• Handle sales product enquiries
• Manage post-sales delivery of equipment
• Perform regular maintenance and carry out diagnostic analysis for trouble shooting and repair work
• Prepare basic reports
• Any other tasks assigned by superior

Job Requirements:

• Higher Nitec / Diploma in Electrical & Electronics Engineering with minimum 2-3 years relevant experience
• Possess strong IT software installation and configuration skills

Candidates are encouraged to apply this position via Apply Now button with the following information in the resume

• Work experiences and job responsibilities
• Current and Expected salary
• Reason for leaving
• Date of availability
• Education background

We regret that only shortlisted candidates will be contacted.

LIONG ZHAO GUAN (R22107632)

EA Recruitment Pte Ltd

EA License No: 21C0492

Responsibilities:

• Keep abreast of new developments, emerging threats and vulnerabilities in cybersecurity practices and technologies
• Conduct vulnerability assessment and penetration test on networks, web applications, mobile applications or wireless systems
• Perform security review of host OS configuration, types of applications, networks or platforms
• Perform source code review
• Perform security analysis on the vulnerabilities
• Prepare comprehensive reports with document findings
• Deliver presentations to customers

Requirements:

• Possess one (or more) of the following Security certifications: CREST CRT (Pen), OSCP, CEH, GPEN, GWAPT, GMOB
• Familiar with various tools Burp Suite, Kali Linux, Metasploit, Nessus, Nmap, Wireshark, etc is an added advantage
• Possess at least 1 year of cyber security experience in security testing, review
• Candidates with 5 years or more experience will be considered for the Senior Consultant position who is able to lead projects
• Ability to collaborate with team members, executive tasks effectively and independently
• Possess good communication and interpersonal skills

Work location: Jurong East

A PURPOSE

The role is to support Bank as a RE under Bank’s infrastructure team for hardware and software under X86 Cloud RFP contract.

B NATURE & SCOPE

Resident Engineer to be dedicated to support and service Bank for installation, troubleshooting and engineering work.

C PRINCIPAL ACCOUNTABILITIES

· Supporting and servicing of Bank’s request for hands-on engineering function at Bank’s Datacenters.

· Troubleshooting any hardware related issues.

· Installation of related software as per required for Microsoft, VMware for hypervisor layer. On-site and on-the-job training can be pickup and learned as the RE progresses into his job functions. The RE is not limited to above software, if he’s a keen worker, he can learn and install related software such as Red Hat, Chef, Veritas as per X86 Cloud RFP software stack.

· Installation and configuration of servers, KVM switches and cabling work.

· Server decommissioning and upgrade activities.

· Patching of latest software updates as required.

D REQUIREMENTS

· Possess diploma in Computer Science or professional certifications.

· Minimum 1-3 years’ experience in similar role and environment.

· Knowledge of Microsoft, VMware, or HP/Dell server would be an added advantage

· Working knowledge of products such as HP and Dell servers.

· Ability to understand and communicate well in spoken and written English. Can understand and speak other languages like Mandarin is a plus.

· Positive, openness to learn and pick-up new things, have initiative, able to articulate ideas and work with others. The fast-paced environment calls for someone who’s determined and able to work with others or alone, under stress.

Education / Experience:
Bachelor Degree in Cybersecurity, Computer Engineering or related fields
At least 3 years cybersecurity work related experience.

Job Description:
Manage daily security operations, including firewall policy updates, rule tuning, and system changes.
Provide expert first-level support for security alerts, investigating potential threats and mitigating risks in real-time.
Take ownership of core security technologies, specifically maintaining Firewalls and optimizing Splunk for logging and monitoring.
Administer and troubleshoot Endpoint Security/EDR solutions to ensure all assets are protected.
Use ITIL frameworks to document changes, manage security incidents, and ensure a structured approach to infrastructure modifications.

Skill Sets:
Network Security: Next-Generation Firewalls (NGFW), Access Control Lists (ACL), and NAT/PAT configurations
Security Operations (SIEM):  Splunk
Endpoint Defense:  Endpoint Detection and Response (EDR), Antivirus (AV), and Host-based Intrusion Prevention (HIPS)
Threat Mitigation:  Vulnerability Management, Patch Management, and Incident Response workflows
Governance & Compliance: ITIL Service Management, Security Change Controls, and Audit Logging

Job Description: Join the future of enterprise security! At ASIS Technologies, we don't just sell hardware; we design intelligent security ecosystems. We are looking for a motivated individual to join our Singapore HQ as a Solution Engineer.

Whether you are a fresh Engineering graduate or looking to switch into the high-growth Security & AI industry, we provide the blueprint and tools for your success.

Key Responsibilities:

• System Design: Learn to create professional project proposals, system diagrams, and Bill of Quantities (BOQ) for enterprise clients.

• Tech-AI Integration: Utilize advanced AI tools to streamline technical support and design compliance-ready security solutions.

• Customer Collaboration: Work closely with the sales team to address technical enquiries and provide top-tier support.

• Professional Growth: Undergo structured in-house training to become a subject matter expert in Access Control and CCTV systems.

Requirements:

• Education: Diploma or Degree in Engineering (Electrical, Electronics, Computer, or related fields).

• Experience: 0–2 years. We value aptitude over years of service. If you are meticulous and tech-savvy, we want you.

• Mindset: A strong desire to learn the intricacies of Enterprise Security Systems.

• Bonus: Prior experience in ELV/Security systems is a plus, but not mandatory.

Henderson Security Services is seeking an experienced Systems Engineer to support and maintain the company’s IT infrastructure, operational systems, and enterprise applications that enable security operations and business services.

The role focuses on ensuring system reliability, performance monitoring, and secure integration of applications and platforms used across the organization. The successful candidate will be responsible for maintaining Linux-based environments, middleware components, and automation tools while supporting internal teams and mission-critical systems.

Responsibilities

• Manage and maintain the organization’s IT infrastructure and middleware platforms supporting internal security operations and enterprise applications.
• Monitor system performance, availability, and health using monitoring tools such as Grafana, Kibana, or similar monitoring platforms.
• Provide technical support and incident resolution for production systems, ensuring minimal disruption to business operations.
• Administer and maintain Linux-based servers and services, including system monitoring, log analysis, and performance tuning.
• Configure and manage application servers and middleware technologies such as Apache Tomcat, WebSphere, or similar enterprise platforms.
• Support system integration and data communication platforms, including messaging and streaming technologies such as Apache Kafka or equivalent tools.
• Implement automation scripts using Shell/Bash to streamline operational tasks and improve system efficiency.
• Support software deployment and configuration management using CI/CD tools such as Jenkins, Git, or similar platforms.
• Implement system upgrades, patches, and configuration changes in accordance with IT operational and change management procedures.
• Configure load balancing and high availability solutions to ensure system resilience and operational continuity.
• Manage SSL/TLS certificates and security configurations to ensure secure communication between systems.
• Work with automation tools such as Ansible or similar configuration management tools to improve system deployment processes.
• Collaborate with internal IT teams and business stakeholders to support enterprise applications and operational technology platforms.
• Maintain system documentation, configuration records, and operational procedures.

Requirements

• Bachelor's degree in computer science, Information Technology, or a related field.
• 3 - 6 years of experience in systems engineering, infrastructure support, or IT operations roles.
• Strong experience working with Linux / Unix operating systems.
• Experience supporting enterprise applications, middleware platforms, or messaging systems.
• Familiarity with system monitoring and logging tools such as Grafana, Kibana, or similar technologies.
• Experience with CI/CD tools and version control systems such as Jenkins, Git, or Bitbucket.
• Experience with automation tools or scripting languages such as Shell/Bash or Ansible.
• Understanding of network security, SSL/TLS certificates, and secure system configurations.
• Experience using IT service management tools such as Jira or ServiceNow for incident and change management.
• Experience with Apache Kafka or enterprise messaging systems.
• Knowledge of API gateways or integration platforms such as WSO2 or similar technologies.
• Exposure to cloud platforms such as AWS or Microsoft Azure.
• Experience supporting enterprise or mission-critical IT environments.

Senior Engineer – Security Operations Center (SOC)

Our client is looking for an experienced SOC Engineer to maintain and improve their cybersecurity posture by implementing security solutions as well as monitoring, detecting and containing incidents to minimize impact.

Responsibilities:

• Develop, implement and maintain IT security policies, standards and procedures aligned with frameworks such as NIST Cybersecurity Framework and ISO/IEC 27001.
• Conduct security assessments including vulnerability management, penetration testing and secure code reviews to identify risks and recommend remediation.
• Monitor and respond to cybersecurity alerts and incidents, perform root cause analysis and coordinate containment and recovery actions.
• Collaborate with infrastructure, application and compliance teams to provide security guidance, manage risk findings and strengthen system security posture.
• Lead security operations initiatives such as SOC/vendor management, security tool implementation and cloud security as well as drive security awareness programs and reporting.

Requirements:

• Bachelor’s degree in Computer Science, Information Technology or a related field with at least 10 years of experience in information or cybersecurity.
• Strong experience in cloud security and enterprise platforms including Microsoft Azure, Amazon Web Services and Microsoft 365 environments.
• Solid understanding of security standards, risk management and regulatory frameworks such as ISO/IEC 27005, MTCS (Multi-Tier Cloud Security) and Singapore PDPA.
• Hands-on knowledge of security technologies including EDR/XDR, IAM, PAM, CASB, SASE, MFA, NAC and vulnerability management practices.
• Relevant professional certifications such as Certified Information Systems Security Professional (CISSP), Certified Information Security Manager (CISM) or Certified Ethical Hacker (CEH) would be an added advantage.

Location : North East, Singapore

Kindly indicate your current/last salary details and your notice period

If the above speaks to you, we d love to hear from you. Please send in your updated CV to ezmir.m@peoplesearch.jobs (Ezmir, Reg No: R22105085) if you feel there is a fit with your experience and interest. You may forward this great opportunity to someone who would be a great fit for this role.

All information will be kept strictly confidential. We regret to inform that only successful applicants will be contacted.

PeopleSearch Pte Ltd

EA License No: 16S8057

Education / Experience:
Degree in Computer Engineering, Computer Science, Information Systems, Digital Forensics or equivalent qualifications
Minimum 2 years’ of relevant work experience in IT security implementation and operations
Possessed OSCP or attained CREST

Job Description:
Perform application and infrastructure penetration tests for customers
Conducting application security assessments and penetration tests (web, mobile, web service, etc.). Assessments involve manual testing and analysis as well as the use of automated application vulnerability scanning/testing and/or code review tools i.e. Burp Suite Professional, HP Fortify or Checkmarx
Writing a formal security assessment report for each application, using our company’s standard reporting format
Participating in conference calls or on client’s site with potential client to scope out newly requested security projects and estimate the amount of time required to complete the project and current clients to review assessment results and consult with the clients on remediation options
Retesting security vulnerabilities and republishing reports to indicate the retesting results
Perform security reviews of application designs, source code and deployments as required, covering all types of applications (web application, web services, mobile applications, thick client applications, SaaS)
Work on improvements for provided security services, including the continuous enhancement of existing methodology material and supporting assets

Skill sets:
Experience with various security tools and products (Fortify, AppScan, Nessus etc)
Several years of experience developing web and/or mobile applications, preferably hard-core financial, e-commerce, or business applications that face the Internet required
Knowledge of the HTTP protocol and how it works
Experience performing application security testing using manual techniques plus runtime vulnerability testing tools and/or code review tools