Total 626 security analyst job vacancies in Information Technology category

Avensys is a reputed global IT professional services company headquartered in Singapore. Our service spectrum includes enterprise solution consulting, business intelligence, business process automation and managed services. Given our decade of success, we have evolved to become one of the top trusted providers in Singapore and service a client base across banking and financial services, insurance, information technology, healthcare, retail and supply chain.

We are currently looking to hire a Application Engineer / Business Analyst (Oracle PL/SQL, Pro*C, Production Support) .This is an exciting opportunity to expand your skill set, achieve job satisfaction and work-life balance. More details as below.
Job Description

JobDescription

-Develop and maintain Unix Shell scripts and Pro*C and Power Builderapplications

-Design and implement Oracle stored procedures and triggers

-Perform impact analysis for new enhancements

-Act in a Business Analyst capacity including:- Interacting with business users

-Gathering and documenting requirements

-Preparing functional and technical specifications

-Understanding core business processes and working independently

-Provide production support, issue troubleshooting, and batch job monitoring

-Coordinate with cross-functional teams to ensure smooth delivery and systemstability

Qualifications

MandatorySkillset Required:

-Strong experience in Unix/Linux Shell scripting

-Hands-on experience in Pro*C programming

-Expertise in Oracle DB, including Stored Procedures, Triggers, and Packages

-Strong SQL & PL/SQL knowledge

-5–7 years of hands-on development experience

-Experience handling production support and batch jobs

Additional/ Good to Have Skills:

-Experience in PowerBuilder programming

-Knowledge of Java or Python or JSON programming

WHAT’S ON OFFER

You will be remunerated with an excellent base salary and entitled to attractive company benefits. Additionally, you will get the opportunity to enjoy a fun and collaborative work environment, alongside a strong career progression.

To submit your application, please apply online or email your UPDATED CV in Microsoft Word format to khalid@aven-sys.com. Your interest will be treated with strict confidentiality.

As a Senior Marketing Data Analyst, you will leverage your expertise to directly impact the marketing strategy and growth of our 16 markets by delivering actionable insights and advanced analytics solutions. In this role, you’ll work as an embedded thought partner with senior marketing stakeholders to influence strategy and marketing tactics, mentor junior analysts, and leverage AI to build the future of marketing analytics. This is a high-visibility position that plays a pivotal role in data-driven decision-making.

• Strategic Marketing Analysis: Design and execute robust analytical methodologies ranging from A/B tests/geo testing/holdouts to MMM modeling in order to measure incremental ROI and make actionable recommendations regarding marketing spend optimization and tactical execution of marketing initiatives
• Stakeholder Engagement & Influence: Collaborate closely with senior marketing partners to understand strategic objectives, recommend analytics solutions, negotiate priorities, and present insights effectively.
• Advanced Data Modeling & Measurement: Define measurement frameworks and metric definitions for key marketing initiatives; Lead the development of complex SQL models to implement as well as transform massive datasets into actionable insights using tools like BigQuery and dbt.
• Strategic Reporting & Visualization: Design and build compelling, user-friendly data assets including both traditional dashboards (e.g. Looker, Tableau) and agentic solutions (e.g. root-cause analysis agents) that facilitate decision-making for business leaders. 
• Mentorship & Development: Provide guidance and mentorship to junior analysts, enhancing their technical skills and fostering a collaborative team environment.
• AI-Driven Analytics & Automation: Identify, design, and implement AI-powered solutions that transform how marketing analytics operates — including agentic workflows (e.g. root-cause analysis agents, automated anomaly detection), LLM-assisted insight generation, and prompt-engineered pipelines. Translate repeatable analyst workflows into scalable AI tools. Act as a driver of AI adoption within the team, setting standards and upskilling junior analysts.

Find out more about our Data Analytics folks here: 

• Turn insights into impact!
• Looking for a career in data analytics? This could be the opportunity for you!

Get to Know the Team

The Integrity team is dedicated to safeguarding all Grab users. We ensure user safety, prevent fraud, and help the Grab ecosystem achieve regulatory compliance. This team involves itself in the entire data lifecycle, from analyzing user behavior to developing detection and prevention modules across user onboarding and transaction journeys.

Get to Know the Role

Reporting to an Analytics Manager in the Integrity team, you will implement controls that protect Grab's ecosystem. You will assist with deep-dive analysis on user behaviors, product funnels, and transaction patterns to help identify potential risks and new fraud typologies. Your analytical support will contribute to the design of risk detection strategies, optimization of AI/Machine Learning models, and implementation of crucial risk controls to safeguard a diverse user base.

You will base onsite in our Petaling Jaya office.

The Critical Tasks You Will Perform

• Assist in measuring and analyzing key risk metrics, such as fraud loss, business/product performance, and the performance/effectiveness of existing risk controls across Grab business verticals.
• Support the identification of new fraud and risk patterns by extracting and visualizing data, contributing to the development of data-driven rules and strategies.
• Perform statistical analyses to improve risk detection systems and ensure data integrity.
• Contribute to reporting and data visibility efforts by preparing datasets and dashboards to empower stakeholders (Product, Engineering, Risk Operations) with insights on key risk metrics and evolving attack patterns.
• Support data extractions and preparations required for internal audits and compliance assessments.
• Help design and analyze experiments to determine the effectiveness of new or existing risk controls within the platforms.

We are seeking a highly skilled and motivated Network Delivery Architect to join our esteemed team. As the Network Delivery Architect, you will be responsible for overseeing the design, planning, and successful implementation of critical network infrastructure projects. Your technical expertise and leadership will be pivotal in ensuring our network solutions align with business goals and exceed industry standards.

Responsibilities:

• Serve as the Network Delivery Architect post-tender award, ensuring the successful delivery of network solutions.
• Design end-to-end network solutions, translating complex enterprise requirements to a comprehensive network solution.
• Lead and conduct design reviews and workshops with customers and stakeholders and develop design documentation.
• Identify gaps and recommend solution mitigations where applicable.
• Lead and shape clients’ expectations.
• Liaise with vendors ensuring the network solutions meet project requirements.
• Evaluate the network technology and solutions in complying to security policies, best practices, guidelines and regulatory requirements, conducting proof-of-concept to showcase its technical feasibility, when necessary.
• Demonstrate expert knowledge of networking technologies, protocols, and infrastructure components, good knowledge of system and security technologies, protocols, and infrastructure components to make informed decisions regarding network design and integration.

Requirements:

• Requires a minimum of three years of experience in Network Architecture and Delivery.
• Strong technical skills with the ability to prioritize and execute in a methodical and disciplined manner.
• Excellent communication and presentation skills with the ability to present to a variety of audiences.
• Excellent documentation skills with the ability to conceptualize architectural designs and translate into technical writings and drawings.
• Work independently without any guidance, demonstrate positive working attitude, quick adaptability and embracing new changes.
• Comfortable working in a project based / client serving model.
• Familiar with Defence / Government guidelines preferred.
• Industry certifications such as CCNP and CCIE preferred but not mandatory.

Work location: Jurong East

ST Engineering is a global technology, defence and engineering group with offices across Asia, Europe, the Middle East and the U.S., serving customers in more than 100 countries. The Group uses technology and innovation to solve real-world problems and improve lives. Our dedication to excellence and our strong track record have earned us a distinctive reputation for quality and trust as an integrated engineering group, spanning across the aerospace, smart city, defence and public security segments. Headquartered in Singapore, ST Engineering ranks among the largest companies listed on the Singapore Exchange.

Join our Cyber Team

We are an industry leader in cybersecurity with over two decades of experience, we deliver a holistic suite of trusted cybersecurity solutions to empower cyber resilience for government and ministries, critical infrastructure, and commercial enterprises. Backed by our indigenous capabilities and deep domain expertise, we offer robust cyber-secure products and services in cryptography, cybersecurity engineering, digital authentication, SCADA protection, audit and compliance. We specialise in the design and build of security operations centres for cybersecurity professionals and provide managed security services to strengthen the cybersecurity posture of our government and enterprise customers.

Job Description:

• Assist in operational and support activities including case management, troubleshooting and onsite engineering support.
• Coordinate and perform testing activities such as regression, load, performance, integration, and acceptance testing.
• Assist in configuring, maintaining and troubleshooting servers and workstations in production and test environments.
• Assist in maintaining software documentation. The documentation includes test plan, test procedures, test report, maintenance manual, and user manual.
• Assist in deployment of custom software.
• Manage and implement software change requests.
• Provide administration and support services for custom systems and software releases. Example system administration tasks include file access control, user administration and change management on production and test environments.

Job Requirements:

• At least 3 years’ experience in development of production software in C/C++.
• Knowledge in Object Oriented Programming, Secure Coding, .NET programming, Python/PowerShell scripting and/or UI programming is preferred.
• Familiar with source code version control tools such as GIT.
• Strong interest in software development and engineering.
• Possess initiative and willingness to learn.
• Good written and oral communication skills.
• Singaporeans only

Find out more:  https://www.stengg.com/cybersecurity

ST Engineering believes in fostering a culture where team members are encouraged to overcome challenges, explore new ideas, and work together to succeed. 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, defence and engineering group with offices across Asia, Europe, the Middle East and theU.S., serving customers in more than 100 countries. The Group uses technology and innovation to solve real-world problems and improve lives. Our dedication to excellence and our strong track record have earned us a distinctive reputation for quality and trust as an integrated engineering group, spanning across the aerospace, smart city, defence and public security segments. Headquartered in Singapore, ST Engineering ranks among the largest companies listed on the Singapore Exchange.

Join our Cyber Team

We are an industry leader in cybersecurity with over two decades of experience, we deliver a holistic suite of trusted cybersecurity solutions to empower cyber resilience for government and ministries, critical infrastructure, and commercial enterprises. Backed by our indigenous capabilities and deep domain expertise, we offer robust cyber-secure products and services in cryptography, cybersecurity engineering, digital authentication, SCADA protection, audit and compliance. We specialise in the design and build of security operations centres for cybersecurity professionals and provide managed security services to strengthen the cybersecurity posture of our government and enterprise customers.

Job Description:

• Lead and assist in operational and support activities including case management, troubleshooting and onsite engineering support.
• Plan, coordinate and perform testing activities such as regression, load, performance, integration, and acceptance testing.
• Plan and assist in configuring, maintaining and troubleshooting servers and workstations in production and test environments.
• Lead and assist in maintaining software documentation. The documentation includes test plan, test procedures, test report, maintenance manual, and user manual.
• Lead and assist in deployment of custom software.
• Manage and implement software change requests.
• Provide administration and support services for custom systems and software releases. Example system administration tasks include file access control, user administration and change management on production and test environments.

Job Requirements:

• At least 6 years’ experience in development of production software in C/C++.
• Knowledge in Object Oriented Programming, Secure Coding, .NET programming, Python/PowerShell scripting and/or UI programming is preferred.
• Familiar with source code version control tools such as GIT.
• Strong interest in software development and engineering.
• Possess initiative and willingness to learn.
• Good written and oral communication skills.
• Ability to lead a small team
• Singaporeans only

Find out more:  https://www.stengg.com/cybersecurity

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

Job Responsibilities:

• Plan and undertake scheduled preventive maintenance tasks.
• Develop and enhancement of Preventive Maintenance equipment checklists for Enterprise Network and UPS System.
• Perform the preventive maintenance by following PM checklist for functional checks, health checks at Clients’ premises.
• Perform basic equipment break-fix during preventive maintenance windows when required.
• Carry out basic troubleshooting, minor repair for IT enterprise products.
• Prepare preventive maintenance documentation for submission.
• Record and report equipment failure discovered during the preventive maintenance cycle.
• Provide maintenance and support for Customers' Enterprise IT Network Services.
• Perform break-fix which include troubleshooting and problem identification for any network services.
• Develop test cases and conduct proof of concept tests on new software and hardware prior to upgrade/deployment.
• Perform the role of Project Lead / Coordinator in project management for small to medium size projects or Service Requests.
• Work closely with Service Delivery Manager to fulfil deliverables, service report and operational request.
• Establish TAC cases with the principal vendor for complex problem until resolution.

Job Requirements:

• Good technical skills in engineering, computer and IT systems, and preferably in network. Preferably with good knowledge in any of the following areas:
• Enterprise Network products/solutions: Cisco/Alcatel Switches/routers, wireless link controller, etc.
• Network Monitoring: SolarWinds, Cisco Prime Infras, Alcatel Omni-Vista.
• Network Appliances based: Microsemi NTP Server, F5.Knowledge in ITIL processes and framework.
• CCNA / CCNP highly preferred
• Ability to engage external stakeholders to resolve site issues.
• Highly motivated and self-driven to complete assigned tasks with limited resources and tight schedule.
• Able to handle complex technical challenges and different groups of users and external vendors.
• At least 3 years of experience with successful track record in maintaining large scale IT infrastructure for Government related agencies.
• Excellent communication and interpersonal skills, with the ability to work well at all levels.
• Able to work flexible hours especially during after-office hour for scheduled maintenance windows, if required.
• Possess strong analytical skills with positive attitude.
• Required to have minimum 3 – 5 years of hands-on network technical support experience in SI Environment.
• Hands-on Experience working with LAN/WAN/WLAN which include
• Cisco Wireless, Routers, Catalyst and Nexus Switches, Firepower, IPS/IDS, ISE, ASA, ESA, WSA, SMA
• Alcatel Wireless and Omni Switch
• Arista Switches and Cloudvision
• Fortinet, Checkpoint and Palo Alto Firewalls
• SolarWinds NPM/NCM/NTA, F5 LTM and Aruba ClearPass

• Fast-paced environment
• Proven analytical and problem-solving abilities.
• Highly self-motivated and directed, with keen attention to detail.
• Experience working in a team-oriented, collaborative environment.
• Good communication and writing skills.
• Strong customer service orientation.
• Able to work in 24 x 7 standby duties

Work location: Jurong East

In this role, you will become part of the Performance Excellence Pillar. The role is intended to work on Quality escape, RCA, KPI, and strategic prediction by analyzing data countries/clusters. You will have the opportunity to lead continuous improvement projects, according to the requirements, and deliver the expected business impacts. You will be working closely with Process Engineers, BAU Leads, Transformation on compliance-related initiatives and local projects.

• Analyze and identify areas for improvement in BAU (Business as Usual) processes and drive convergence of processes and tools
• Identify and implement solutions that translate into standardization and process efficiency while balancing local BAU needs
• Evaluate, develop, and implement policies and procedures, mapping business processes, capturing and sharing best practices between the respective countries and regions
• Facilitate and organize improvement and problem-solving workshops, brainstorming with stream members
• Work with metrics and data to identify improvement opportunities, delivering data-driven analysis and business cases
• Cooperate with Global Enablement, Governance, Process Owners, and Operations leaders to ensure we maintain high-quality deliverables and our delivery standards are met or exceeded.
• Utilize the AI concept to streamline the process to gain the operation efficient.

• Responsible in assisting Laboratory Technical & Compliance Manager on day-to-day laboratory operation for assigned section towards direction of effective implementation of quality system ISO/IEC 17025, SAMM policy and SGS GCSC requirement
• Assist Technical Advisor /Technical Specialist on the new method development as per business need.
• Respond to queries raise by customer / business / customer support team within agreed timeframe, with minimal supervision from Technical Advisor/ Specialist
• Collaborate with Operation team on investigation and deliver the outcome of investigation professionally to the party who raise the queries within agreed timeframe
• Periodically review, enhance and update of Working Instruction and Standard Operating Procedures when needed
• Working towards enhancement of existing lab process/methodology for lab efficiency improvement
• Work with laboratory operation team on root-cause investigation of all non-conformities and/or customer complaints with proposal of appropriate corrective and preventive actions to address the issue promptly.
• Provide technical training to laboratory personnel to ensure the laboratory competency and conduct refreshment training when needed.
• Insight into new technologies and initiative for enhancement
• Assist to ensure Good Housekeeping and Good Laboratory practice in the laboratory.
• Adherence to SGS Health, Safety and Environment (HSE) Policy by uphold a good safety behavior and exercising necessary standard and process when carry out your responsibilities at all times to ensure compliance to the HSE requirements.
• Perform any other responsibilities as assigned by your reporting manager and/or Senior Management

This Data Operations Analyst is responsible for data input validation and data cleaning focusing on specific industry/category or set of categories (e.g., Beverages, Food, Health and Beauty Products). As a Data Operations Analyst at NielsenIQ, you support the create and deliver client output deliveries in a correct and timely manner.

• Be the contact for commercial queries, leading the resolution in a client-focused and timely manner in cooperation with Client Liaison and Commercial teams. To be able to identify, investigate and coordinate the resolution of data, process or product related queries
• Plan and execute a complex daily personal workload and support to meet departmental and company schedules
• Analyze and identify gaps and areas for improvement in coding, data input validation and client instructions environments (CIP - Consumer Information Platform) and drive the convergence of processes and tools
• Providing accurate and timely feedback to respective country teams, driving SOP and use of best-demonstrated practices
• Working across relevant Operations/Enablement teams to ensure delivery to client expectations and satisfaction
• Operate in a virtual/multi-cultural environment, liaising with stakeholders 

As a Senior Data Analyst, you will leverage your expertise to directly impact the growth of our 16 markets by delivering actionable insights and advanced analytics solutions. In this role, you’ll work closely with senior stakeholders, mentor junior analysts, and shape the analytics function within one of our functional analytics teams. This is a high-visibility position that plays a pivotal role in data-driven decision-making.

• Own a risk & fraud problem domain end-to-end, framing ambiguous problems and delivering analytical solutions that drive measurable improvements in cost, efficiency, service performance and customer experience.
• Act as a thought partner to business and domain leads, shaping problem statements, challenging assumptions, and co-developing data-driven solutions to high-impact risk and fraud challenges.
• Apply advanced analytical methods, including simulation, optimisation, and statistical modelling, to detect and solve complex problems such as incentive abuse, refund claim abuse and.
• Determine causal impact in operational environments, designing and analyzing experiments (e.g., cluster, switchback) and applying causal inference methods (e.g., DiD, synthetic controls) to inform business decisions.
• Build and scale data products and analytical tools, leveraging modern data stacks and agentic AI workflows to enable deep dives, self-serve analytics, and faster decision-making.
• Drive exploratory and root cause analyses, identifying performance drivers and uncovering opportunities for optimization across the risk and fraud infrastructure.
• Collaborate cross-functionally with data and engineering teams, contributing to data modeling, metric definitions, and scalable solutions that accelerate time-to-insight.
• Communicate with clarity and influence, translating complex analyses into actionable recommendations and driving alignment across technical and business stakeholders.

Find out more about our Data Analytics folks here: 

• Turn insights into impact!
• Looking for a career in data analytics? This could be the opportunity for you!

The Reference Data Specialist is responsible for instructions of client deliverables, coding and data input validation focusing on specific industry/category or set of categories (e.g. Beverages, Food, Health and Beauty Products). As a Reference Data Specialist at NielsenIQ, you create and deliver client outputs in a correct and timely manner.

• Responsible for instructions of client deliverables, coding and data input validation focusing on specific industry/category or set of categories.
• Does cross coding and item-related quality checks on a daily basis
• May act as a back-up to other coders when needed; conduct physical store check to validate item-related information
• Keep track/document special instructions related to category assignment
• Plan and execute a complex daily personal workload and support to meet departmental and company schedules
• Ensure accuracy throughout the process, from validation before database setup to managing samples, and identify areas for improvement
• Answer external questions and act as a liaison with everyone from clients to stakeholders; To be able to identify, investigate and coordinate the resolution of data, process, or product related queries
• Willing to be trained to be a category expert

Key Responsibilities

1. Customer Service Performance Monitoring (KPI)

• Track and analyze key Customer Service KPIs such as CSAT, response time, handling time, and resolution rate
• Develop and maintain dashboards and reports to provide clear performance visibility
• Identify performance gaps and recommend actionable improvements

2. Data Analysis & Insights

• Analyze data across Customer Service, Operations, and Payment teams to identify trends, issues, and opportunities
• Provide insights to improve service quality, operational efficiency, and customer satisfaction

• Support regular reporting (weekly/monthly) and business reviews

3. System Usage & Process Optimization

• Monitor the usage and effectiveness of CS tools (e.g., ticketing systems, CRM platforms, chatbot solutions)
• Ensure proper system adoption and highlight gaps in usage or workflow inefficiencies
• Recommend enhancements to processes and system workflows

4. AI & Automation Support

• Track and evaluate chatbot performance (e.g., resolution rate, fallback scenarios)
• Identify opportunities to reduce manual workload through automation•
• Collaborate with Tech teams to improve AI tools using data-driven insights

5. Cross-functional Collaboration

• Work closely with CX, Product, and Technology teams to support business initiatives
• Assist with ad hoc data analysis and reporting requests as required

Requirements

• Diploma or Degree in Data Analytics, Business, IT, or related fields
• 1–3 years of experience in data analysis, reporting, or similar roles (experience in Customer Service environment is an advantage)
• Strong proficiency in Excel or Google Sheets (e.g., formulas, pivot tables)
• Basic knowledge of SQL is preferred
• Experience with data visualization tools (e.g., Power BI, Tableau) is a plus
• Strong analytical thinking, problem-solving, and communication skills

What we can offer you:

• Life Insurances
• Team Building

This Data Operations Analyst is responsible for data input validation and data cleaning focusing on specific industry/category or set of categories (e.g., Beverages, Food, Health and Beauty Products). As a Data Processing Specialist of Input Validation function at NielsenIQ, you support the create and deliver client output deliveries in a correct and timely manner.

• Be the contact for commercial queries, leading the resolution in a client-focused and timely manner in cooperation with Client Liaison and Commercial teams. To be able to identify, investigate and coordinate the resolution of data, process or product related queries
• Plan and execute a complex daily personal workload and support to meet departmental and company schedules
• Analyze and identify gaps and areas for improvement in coding, data input validation and client instructions environments (CIP - Consumer Information Platform) and drive the convergence of processes and tools
• Providing accurate and timely feedback to respective country teams, driving SOP and use of best-demonstrated practices
• Working across relevant Operations/Enablement teams to ensure delivery to client expectations and satisfaction
• Operate in a virtual/multi-cultural environment, liaising with stakeholders 

You will...
• Ensures the data integrity during data processing.
• Verify the accuracy and validity of data processed.
• Resolve and check any quality issues raised by supervisors/clients.
• Maintain positive working relationships and open communication with local, regional and global colleagues.
• Continually innovate, develop and suggest enhancements to gain better work efficiency
• Ensure that the company’s regional and global standards are always adhered to all the times.

You have...
● Diploma or Degree in any other related fields.
● Proficiency in MS Word, MS Excel, and MS PowerPoint Ability to work independently with the ability to prioritize and multi-task; able to think rationally under pressure.
● Fresh graduates are encouraged to apply.