Total 155 procurement administrator job vacancies in Information Technology category in The Philippines

Oracle and/or MSSQL DBA, Singapore Citizens and PR

1. Maintain/Support existing of Oracle/MSSQL Database components

2. Experienced in Oracle/MSSQL system administration and operation tasks

3. Day to day maintenance and administration and troubleshooting issues

4. Experienced in Qlik Data integration usage for Database conversion

5. Min 1 year of Oracle/MSSQL DBA experience

6. Singaporean or PR preferred

Roles and Responsibilities

• Content Manager OnDemand (CMOD) administrator responsibility for and take care of the system hardware, application & system software, reports, and users.
• Support ongoing projects:Mainframe EOSA Reports offloading to OnDemandMainframe replatform reports onboarding for CASA, ATM, CPF, Cards and more.Automate repeated task wherever required
• Hardware includes library and object server workstations, backup devices, archive storage devices, client workstations, terminals, printers, and the networking equipment.
• Software includes the base operating system, prerequisite software, and client and server programs, configuration files and shell scripts.
• Installing and maintaining Content Manager OnDemand programs and other software required for CMOD.
• Monitoring the space used by the database, cache storage, archive storage and the space available on the system.
• Automate using script/jobs to maintain the database, cache storage, and archive storage day-to-day activities and tasks.
• Working with users to determine report indexing and retrieval requirements.
• Defining storage sets and storage nodes.
• Defining Content Manager OnDemand system printers or bundle the reports to transit to printing vendor for printing and delivery as a mail.
• Defining reports to the system by creating and managing application group, application, folder with all required indexes for user.
• Defining Content Manager OnDemand groups and users.
• Automate the Loading process for reports on the system using Shell/python scripts.
• Managing the backup and recovery process for the database and other areas that contain data critical to the operation of the system. Includes File Systems, Cache Storage and Archive storage.
• Monitoring server activity and tuning system parameters.
• Solving server, network, and application problems for CMOD upstream and downstream interfaces.
• Support and manage the end-user Service Request (SR) and any CMOD incidents.
• Prepares and installs solutions by determining and designing system specifications, standards, and programming
• Improves operations by conducting system analysis recommending changes in processes and procedures
• Accomplishes team objectives by completed related results as needed on issues collaboratively.

Deliverables

• To understand and follows the DBS coding guidelines and code review process as part of CI/CD process.
• Assist in troubleshooting when there are errors in application.
• Automate Content Management Operations and manual tasks, as much as possible, to avoid human intervention & human error as part of Toil removal process.
• Perform maker & checker roles always in CI/CD.
• Improve the Content Management documents, SOP and process to transform.

Goals and Objectives

• Achieve the above Content Management deliverables.
• Assist in projects and Content Management Platfrom improvement if needed.

The Job:

• Supporting a senior officer in the administration of research grants and other research-related matters
• Coordination of grant calls with the Colleges and Schools in the University, assisting researchers and faculty in their grant submission and grant post award activities like reporting submissions, assisting researchers to understand grant agencies’ guidelines and coordination of review panel meetings

The Requirements:

• Min Degree Holder with Min 3-5 years of relevant working experience
• Proficient in MS Office

Interested applicants can send their detailed resumes to janelui@recruitexpress.com.sg or call JANE @ 6735 1955.

JANE LUI JIE'EN

CEI: R1104482

Company Reg. No. 199601303W || EA Licence No. 99C4599

The Job:

• Coordinate with prospective students to verify admission documents and respond to queries
• Schedule and prepare materials for admission interview panels
• Develop and update marketing materials for digital and print platforms
• Plan and execute student events such as career fairs, information sessions, and networking activities
• Manage all event logistics: venue booking, catering, equipment, and vendor liaison

The Requirements:

• Min Diploma / Degree Holder with Min 2-3 years of relevant working experience
• Proficient in MS Office

Interested applicants can send their detailed resumes to janelui@recruitexpress.com.sg or call JANE @ 6735 1955.

JANE LUI JIE'EN

CEI: R1104482

Company Reg. No. 199601303W || EA Licence No. 99C4599

·      Minimum 6-10 years of experience in MSSQL Database Administration.

·      Perform production support administration tasks including proactive monitoring, maintenance and on-call support to ensure availability and performance requirements are met.

·      Involve in operational automation process that covers monitoring, maintenance and standard changes.

·       Provide root cause analysis for problems and take action to mitigate future errors.

·      Support the operations team in capacity planning, volumetric analysis, execution of database change requests.

·      Serve as a technical expert for project teams throughout the implementation and maintenance of assigned projects.

·      Monitor and refine processes, procedures, and systems to optimize operational stability and / or integrity and recommends and / or implements improvements.

·      Demonstrate the ability to write complex shell scripts for operational maintenance and automation.

·      Experience in upgrade and patching database instances across multiple Database Management Systems with minimum disruption to application.

·      Hands on experience in troubleshooting on patching issue and raise case with vendor, follow up for fixing.

·      Basic knowledge of Linux operating system (RedHat) and basic commands.

·      Coordinate with application team on decision and schedule to patch.

·      Prepare the documents to raise Change Request.

This job advertisement is posted by:

Tan Geok Khim (Deng Yuqin) (R22107857)

A-IT Software Services Pte Ltd

EA License No: 24C2345

✅ Key Responsibilities

• Perform system reviews, tuning, and resilience improvements

• Provide 24×7 support with shift flexibility

• Define configuration standards & design guidelines for Windows OS

• Handle escalations, system recovery & root cause analysis

• Automate repetitive operational tasks

• Drive patching and OS/software upgrades

• Implement and maintain service monitoring

• Support project phases (design → implementation → handover)

• Assist with compliance & audit requirements

• Respond to support tickets, calls, and alerts promptly

✅ Functional & Technical Competencies

• Windows Server 2012/2008, Citrix, VMware, IIS, RDP, SSH

• Citrix 7.x, NetScaler, StoreFront

• Server hardening expertise

• Middleware: Connect:Direct, SSH, IIS

• Scripting: Batch, PowerShell (preferred)

• Linux knowledge (added advantage)

• Certifications (Microsoft/Citrix) preferred

Strong skills in Oracle/MS-SQL/MySQL database administration supporting large database

environments.

 Proficient in Database installation, configuration on UNIX (Solaris & AIX) / Linux / Windows

platforms.

 Experience in Database High Availability setup using Oracle RAC/Dataguard, SQL Server

Failover Cluster/AlwaysOn Availability Groups, MySQL InnoDB Cluster/NDB Cluster.

 Good database performance tuning, troubleshooting skills and locating bottlenecks at both

server and database level.

 Experience in database install, upgrade, plan and execute critical database migration using

Oracle Goldengate/Shareplex.

 Familiar with database partitioning design, TDE encryption and implementing security

standards to secure critical environments.

 Well versed with Database optimizer changes, database internals and troubleshoot

production issues.

 Covering all administrative tasks, such as planning and building new database servers, ASM

disk management, backup and restore, user account and data security management,

capacity planning.

 Disaster Recovery implementations based on Oracle Dataguard. Work with infrastructure

team on upgrades, patching and resolution of cross functional issues.

 Participate in system audits, adhere to the internal security standards.

 Knowledge on Oracle JDBC, ODP.Net, UCP, TAF, FCF and MySQL Connectors.

 Provide deployment support for database objects in production and UAT environments.

 Provide 24x7 production database support and willing to work after office hours /

weekends. Experienced with standard database monitoring tools.

 Good communication and presentation skills and be able to interact with multiple teams at

various levels.

 Skills and Qualification:

Min 2 years of experience working as production database administration supporting Oracle,

SQL Server and MySQL databases. Good skills in unix shell scripting and Oracle PL/SQL

programming.

 Desired skills:

Oracle certification - OCP on Oracle 11g/12c/18c/19c preferred.

• Strong skills in Oracle/MS-SQL/MySQL database administration supporting large database environments.
• Proficient in Database installation, configuration on UNIX (Solaris & AIX) / Linux / Windows platforms.
• Experience in Database High Availability setup using Oracle RAC/Dataguard, SQL Server Failover Cluster/AlwaysOn Availability Groups, MySQL InnoDB Cluster/NDB Cluster.
• Good database performance tuning, troubleshooting skills and locating bottlenecks at both server and database level.
• Experience in database install, upgrade, plan and execute critical database migration using Oracle Goldengate/Shareplex.
• Familiar with database partitioning design, TDE encryption and implementing security standards to secure critical environments.
• Well versed with Database optimizer changes, database internals and troubleshoot production issues.
• Covering all administrative tasks, such as planning and building new database servers, ASM disk management, backup and restore, user account and data security management, capacity planning.
• Disaster Recovery implementations based on Oracle Dataguard. Work with infrastructure team on upgrades, patching and resolution of cross functional issues.
• Participate in system audits, adhere to the internal security standards.
• Knowledge on Oracle JDBC, ODP.Net, UCP, TAF, FCF and MySQL Connectors.
• Provide deployment support for database objects in production and UAT environments.

Skills and Qualification:

• Min 2 years of experience working as production database administration supporting Oracle, SQL Server and MySQL databases. Good skills in unix shell scripting and Oracle PL/SQL programming.

Desired skills:

Oracle certification - OCP on Oracle 11g/12c/18c/19c preferred.

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­Purpose­­

The Database Administrators within the CCOE function area of Unified Support provide a single, global, role of managing the full range of reactive and proactive database driven activities which underpin the provision of support and maintenance activities for all and cloud service activities for commercial IFS customers. They cover all IFS supported database platforms (Oracle, MS/Azure SQL, PostgreSQL, MongoDB, etc.) and all 3 deployment models (cloud service, remote and on-premise.)  Additionally, the Database Administrators design, develop and deliver processes, tools and best practices for the database management activities which are performed by Cloud Services, as well as the dedicated, restricted services teams within IFS Unified Support.

Key Duties

A Database Administrator (DBA) in the Database Services Team will design, develop and deliver common processes and automate technical tasks for the Unified Support teams to use in their daily duties, act as an experienced DBA resource to help address issues to ensure the availability, security, latency, performance, efficiency, monitoring of client database systems, act as a final point of escalation for challenging issues with our database services, support Cloud Services and other teams during investigations and corrective actions during problem management investigations.

DBAs in the CCOE Database Services Team at IFS proactively interact and work alongside other resolver groups (R&D, Solutions Architects, Monitoring, Network, platform vendors, etc) as appropriate to resolve issues and requests related to the Cloud platform and also provide guidance and feedback to improve the IFS product set in future releases.  The DBAs also provide database advice to IFS remote and on-premise customers where required.

A DBA in the CCOE Database Services Team at IFS is key to ensuring highly available, robust and secure database systems and own the overall design, build, availability, performance and general support of all databases which underpin the applications offered by IFS.  The DBAs support existing database engines whilst engaging in the design, deployment & delivery of new database tools and services to further enhance availability, performance and security of our database platforms in order to provide an outstanding experience and reliable database services for all our customers.

Common to DBAs in the CCOE Database Services Team at IFS is their pride in building robust database systems, desire to support & collaborate with other IFS teams, focus on customer experience to respond within SLAs, curiosity to fix root cause problems, thinking with an engineering mindset to constantly drive improved performance and security underpinned by standardization, engineering automation of database tasks to avoid ad-hoc/human error, as well as ambition to deliver new tools and technology to support making the IFS enterprise software services in the Cloud robust and self-supportive.

The responsibilities include:

• Daily DB Operations
  • Design common processes for Unified Support teams to use in their day-to-day duties supporting and maintaining our Cloud database services.
  • Act as an experienced DBA resource to help perform some of those daily duties when the need arises to address issues with client systems
  • Act as a point of escalation for challenging issues with our database services
  • Work as needed to support Unified Support teams during investigations and corrective actions during problem management investigations.
  • Work with R&D alongside the CSA to provide guidance and feedback to improve the IFS product set in future releases.
• Backup Solutions
  • Design and implement, in conjunction with Unified Support teams, agreed backup solutions for the IFS Application suite to satisfy our own and our customers’ needs
• Performance Tuning
  • Design processes and approaches for the Unified Support teams to manage performance issues in our cloud environments
  • Work with the CSA and R&D teams to address performance issues through both short term and long-term methods
• Disaster Recovery
  • Design, implement and test regularly, in conjunction with the CSA, RnD and Unified Support teams, any agreed disaster recovery solutions and ensure the solution suits the needs of IFS and our customers
• Monitoring
  • Implement appropriate tooling to monitor and manage database availability within our cloud services.
  • Design processes and approaches for the Unified Support teams to manage availability issues in production environments.
• Automation and Tooling
  • Work with the Unified Support, CSA and Automation teams to design automation to reduce time and overhead for common tasks wherever possible.
• Training and skills transfer
  • Deliver DBA knowledge transfer/training sessions to selected internal teams.

Technical Skills

• Experience implementing and managing critical production systems, especially in the cloud, including a strong awareness of customer-driven priorities and commercial pressures is essential. 
• Experience supporting multi-tenant Oracle databases (CDB/PDB)
• Experience administering Oracle databases (minimum 19c) on Linux based systems
• Strong technical experience with Oracle RAC / ASM.
• Strong technical experience supporting Oracle Exadata systems (EXACC)
• Strong technical experience designing, implementing and supporting GoldenGate CDC solutions.
• Strong technical experience with performance tuning - AWR/ASH/ADDM/TKPROF/tracing sessions, etc – in a multi-tier architecture
• Good technical experience using OEM for various database administration purposes.
• Strong technical experience with backup/restore – RMAN, data pump export/import.
• Strong technical experience with disaster recovery; dataguard – setup and troubleshooting.
• Experience with database cloning – RMAN active duplicate
• Strong technical experience writing linux shell scripts: bash (knowledge of powershell scripting and windows command also nice to have)
• Technical experience with database upgrades (12c to 19c and above) and patching
• Knowledge of database encryption – row level, backups, etc
• Exposure to 3rd party monitoring systems, e.g. Nagios, Prometheus, ELK
• Exposure to Java driven Cloud/SaaS systems including the following technologies is essential: Oracle WebLogic middleware, Oracle/Apache HTTP Servers, etc.
• Experience working with ticketing systems, such as Service Now, JIRA, etc
• Experience working within a strict change management framework.
• Exposure to DevOps CI/CD tools – GitHub, GitLab, BitBucket, etc.
• Knowledge of Container technology – Kubernetes (AKS)
• Hands-on understanding of Cloud Technologies – Azure, AWS or GCP

Essential: 

Knowledge and hands-on ability to support at least one other database system: AzureSQL DB, MS SQL Server, PostgreSQL, MongoDB.

The following skills and exposure are not essential but are very useful:  

• Microsoft Azure PaaS (e.g. App Services, Storage, Redis Cache, CNPG), Event Hub, Automation, monitoring, Security Centre.
• Network architectures, especially related to Microsoft Azure (e.g. vNets, NSGs, VPN, ExpressRoute, SSL/TLS certificates, DNS).
• Native Azure monitoring
• DevOps Practices (Terraform, Chef and related tools), and how these are leveraged in design and operations to be able to deliver and support hundreds of instances seamlessly.
• Familiarity with other SaaS Cloud solutions (e.g. Salesforce, Office 365)
• Security principles – encryption, authentication, authorisation, integrity, auditing, pen testing etc – and how these are applied in a cloud environment.

The successful candidate will have a proven track record working with a wide range of teams including operations, R&D, consulting and support services.  They will work effectively in an internationally distributed, multi-discipline team and must be highly self-motivated and proactive, with excellent problem solving and communication skills.

Personal Abilities

• Excellent & very strong communication and interpersonal skills
• Strong ability to work to deadlines, targets and needs of the role
• Strong ability to manage own time, efficiently and effectively
• Ability to think with an Engineering/Automation/AI-driven mindset to find solutions to technical problems
• Excellent problem-solving skills and the ability to change approach based on information gathered during the process
• A good team player with a can-do attitude
• Ability to work in international, multi discipline, cross functional teams
• Ability to read and understand technical documentation written in English
• Be proactive and energetic in the work situation, seeking to get things done without constant supervision and at the same time being able to multi-task.
• Ability to self-learn and quickly understand new and changing technologies in a fast-moving cloud world, how and if these changes can be leveraged to improve the solution and the overall impact of these in the technical design and operational delivery.

Responsibilities
• Strong skills in Oracle/MS-SQL/MySQL database administration supporting large database environments.
• Proficient in Database installation, configuration on UNIX (Solaris & AIX) / Linux / Windows platforms.
• Experience in Database High Availability setup using Oracle RAC/Dataguard, SQL Server
• Failover Cluster/AlwaysOn Availability Groups, MySQL InnoDB Cluster/NDB Cluster.
• Good database performance tuning, troubleshooting skills and locating bottlenecks at both server and database level.
• Experience in database install, upgrade, plan and execute critical database migration using Oracle Goldengate/Shareplex.
• Familiar with database partitioning design, TDE encryption and implementing security standards to secure critical environments.
• Well versed with Database optimizer changes, database internals and troubleshoot production issues.
• Covering all administrative tasks, such as planning and building new database servers, ASM disk management, backup and restore, user account and data security management, capacity planning.
• Disaster Recovery implementations based on Oracle Dataguard. Work with infrastructure team on upgrades, patching and resolution of cross functional issues. 
• Participate in system audits, adhere to the internal security standards.
• Knowledge on Oracle JDBC, ODP.Net, UCP, TAF, FCF and MySQL Connectors.
• Provide deployment support for database objects in production and UAT environments.
• Provide 24x7 production database support and willing to work after office hours / weekends. 
• Experienced with standard database monitoring tools.

Requirements
• Degree/ Computer Science / Computer Engineering in Information Technology, Information Systems, or Equivalent.
• Min 2 years of experience working as production database administration supporting Oracle,
• SQL Server and MySQL databases. Good skills in unix shell scripting and Oracle PL/SQL programming.

Desired skills: Oracle certification - OCP on Oracle 11g/12c/18c/19c preferred.

Licence no: 12C6060

✅ Key Responsibilities

• Perform system reviews, tuning, and resilience improvements

• Provide 24×7 support with shift flexibility

• Define configuration standards & design guidelines for Windows OS

• Handle escalations, system recovery & root cause analysis

• Automate repetitive operational tasks

• Drive patching and OS/software upgrades

• Implement and maintain service monitoring

• Support project phases (design → implementation → handover)

• Assist with compliance & audit requirements

• Respond to support tickets, calls, and alerts promptly

✅ Functional & Technical Competencies

• Windows Server 2012/2008, Citrix, VMware, IIS, RDP, SSH

• Citrix 7.x, NetScaler, StoreFront

• Server hardening expertise

• Middleware: Connect:Direct, SSH, IIS

• Scripting: Batch, PowerShell (preferred)

• Linux knowledge (added advantage)

• Certifications (Microsoft/Citrix) preferred

Key Responsibilities

• Deliver proactive system reviews, tuning & resilience improvements

• Resolve incidents and analyze problems

• Work with Engineering teams on solution design & deployment

• Define configuration standards for Linux & system software

• Provide technical support to development and operations

• Drive system troubleshooting, RCA, and recovery

• Lead outsourced technical teams

• Plan & deliver OS upgrades

• Approve/supervise major change requests

• Conduct performance analysis & tuning

• Automate system operations

• Drive patching & software upgrades

• Manage backup, recovery, and asset inventory

• Design & enforce access control frameworks

• Implement strong monitoring for service reliability

• Mentor junior engineers

• Support compliance & audit requirements

• Conduct capacity planning and performance management

✅ Functional & Technical Competencies

• Linux, Solaris, UNIX systems & services (volume manager, NTP, DNS, clustering, etc.)

• Troubleshooting & performance tuning for Linux/UNIX

• Linux server clustering implementation

• Information security knowledge

• Networking & data communication

• Middleware/app execution in Linux/UNIX (advantage)

JD for System Administrator

The main purpose of the role is to support the system administration part to carry out day to day task of troubleshooting and deployments as scheduled. This role reports into the Local SHE IT manager and Global ITS workplace team and works closely with different stakeholders to ensure smooth running IT/IS operation.

Core Mission:

• Support L1/L2 incidents or request raised end user.

• Deploy new computer images as companies’ standard using SCCM

• Co-Ordination with suppliers on parts replacement or repair activity

• Update all computer asset in CMDB or keep tracking asset in excel as per companies’ guidelines

• Support network related incident raised

• Support all L1/L2 ticket raised

• Support and troubleshoot printer and label printers

• Installation and deployment of Windows-10 and Windows-11 Operating System

• Installation of PC based software like – Office, Bartender, CodeSoft,etc

• Manage and keep track of all software and hardware assets.

• Keep track of asset allocation to users and shared resource

• Support Conference room and Barco Devices

Requirements:

• Good knowledge on Windows environment/Operating system Installations

• L1/L2 support for handling all service request and Incidents raised in helpdesk Tool

• Good Knowledge on SCCM Software deployment, Application installations

• Good knowledge on applications installations Like – Catia tools , inhouse tools or engineering apps installations etc.

• Coordination with Vendor for defective part replacement of workstation, Laptop

• Basic understanding of networking concepts(TCP, UDP, Routing)

• Good Command on troubleshooting of Windows OS related issues.

• Good knowledge on Scripting shell –Like – power shell or any other tool added advantage

• If any certification of MCP or MCITP-(Microsoft Certified IT Professional) added advantage

• The minimum experience will be 1 to 2 Years.

✅ Key Responsibilities

• Perform system reviews, proactive tuning, and resilience improvements

• Work with engineering teams on solution design, planning, and configuration

• Establish standards for Linux system software (availability, monitoring, backup/recovery)

• Drive system troubleshooting, recovery, and root cause analysis

• Review/approve change requests and oversee execution of major changes

• Automate routine operational tasks

• Drive patching and OS/software upgrades

• Implement strong monitoring for performance and stability

• Enhance supportability and recovery using modern technologies

• Provide OS expertise during project phases (design → implementation → handover)

• Support audit and compliance requirements

• Work under a 24×7 shift based support model

• Respond promptly to incidents, alerts, and support requests

✅ Functional & Technical Competencies

• RHEL/Oracle Linux, UNIX hardware & system services (NTP, NFS, DNS, clustering, TSM, ITM, SSH, etc.)

• Citrix administration experience

• OS upgrade/migration leadership

• Troubleshooting & tuning for Linux/UNIX, Storage/Backup, Citrix

• VCS clustering implementation/administration

• Server hardening knowledge

• Middleware (Connect:Direct, SSH) experience

• Scripting: Bash, Python, Perl

• Linux certification (advantage)

• Satellite & CI/CD experience

Summary

The System Administrator/Engineer (SA/E) is responsible for effective provisioning, installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure. This individual participates in technical research and development to enable continuing innovation within the infrastructure. This individual ensures that system hardware, operating systems, software systems, and related procedures adhere to organizational values, enabling staff, volunteers, and Partners.

Job Description

• Infrastructure Management: Configure, deploy, and manage cloud resources like virtual machines, storage, and databases.

• Security: Implement and enforce security policies, monitor for threats, and manage user access controls.

• Performance Optimization: Monitor system performance, identify bottlenecks, and optimize resource utilization.

• Troubleshooting: Diagnose and resolve technical issues with cloud infrastructure and applications.

• Automation: Automate routine tasks using scripting and automation tools.

• Collaboration: Work with other IT teams, including development, operations, and security, to support cloud deployments.

• Compliance: Ensure compliance with relevant regulations and industry standards.

• Cost Optimization: Identify and implement cost-saving measures for cloud resources.

• Software and System Deployment: Plan and deploy new application software upgrades / Reports as required

• Incident Management: Perform incident management, vendor management and reporting

• Disaster Recovery: Involve in the Disaster Recovery planning and execution of DR procedures during simulated dry runs and actual disaster runs

Requirements

• Working knowledge of cloud infrastructure is essential

Technical Expertise and Knowledge preferred:

• OS : Windows, Linux, AIX,

• Middleware : WebSphere Application Servers, WebSphere Message Queue, Solace.

• Datawarehouse : Snowflake

• Data Integration Tools : Fivetran

• Cloud Platform Expertise: Experience with one or more cloud platforms such as AWS,

• Azure, Google Cloud, or other similar providers

• Infrastructure as Code (IaC): Proficiency in using tools like Terraform, CloudFormation, or Ansible to manage cloud infrastructure

• Cloud Resource Management: Experience in deploying, managing, and monitoring cloud based instances (e.g., virtual machines, storage, networking, etc.)

• Automation & Scripting: Strong scripting skills (e.g., Python, PowerShell, Bash) to automate tasks in a cloud environment

• Cloud Security: Understanding of cloud security best practices (e.g., IAM roles, security groups, firewall configurations)

• Monitoring & Performance: Strong experience with cloud monitoring tools (e.g., AWS

• CloudWatch, Azure Monitor) to track performance and troubleshoot issues

• Scalability & Cost Management: Practical knowledge in scaling cloud infrastructure dynamically and optimizing costs using reserved instances, spot instances, and autoscaling