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Network administrator Jobs in Markham, ON

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Last updated: 5 days ago

Oracle Database Administrator

Cloudious LLCNorth York, ON, Canada
Full-time
Quick Apply

Oracle Database Administrator Rate: $70-75/hr CAD.Glider & In-Person Client interview required.Yonge St, North York, ON M2N 5M9 Job description: ...Show more

Personal Bankruptcy Estate Administrator

Farber Debt SolutionsNorth York, Ontario, Canada
Full-time +1

Position: Personal Bankruptcy Estate Administrator .Employment Type: Permanent/Fulltime .Farber is one of Canada’s oldest, largest and most respected debt solution providers.We help Canadians get o...Show more

Contract Administrator

Morrison HershfieldMarkham, ON
Full-time

Morrison Hershfield is now Stantec.Join a smart, creative, and inspired team that works to support innovation.The Stantec community unites more than 28,000 employees working in over 400 locations a...Show more

Payroll Administrator

Black & McDonald LimitedMarkham, Ontario, Canada
Full-time

Black & McDonald's Finance team is growing! If you are committed and collaborative professional looking to contribute to a hard-working, innovative team, this opportunity is for you.The Payroll Adm...Show more

Sales Administrator

AWIN Group of DealershipsMercedes-Benz Markham, Unionville, ON, CA
Full-time +1

How would you like to work with one of the most prestigious and well-respected automotive groups? Join AWIN! We are a premier network of 23 luxury automobile dealerships as well as 3 state of the a...Show more

Business Systems Administrator

Genuine ComfortMarkham, ON, CA
Full-time
Quick Apply

Who we are Founded in 2010, Genuine Comfort is a leading distributor of Air Conditioners (AC) and Packaged Terminal Air Conditioners (PTAC) across Canada & Mid-North USA.We are dedicated to “Delive...Show more

Jr. Accountant/Payroll Administrator

Acara SolutionsMarkham, ON, CA
Full-time

JOB DESCRIPTION The role will be responsible for performing daily accounting functions, including processing of the company payroll, as well as any other relevant tasks essential to the business as...Show more

Network Administrator (Systems)

Onico SolutionsVaughan, ON
Permanent

Network Administrator (Systems).As a Network Administrator, you’ll be responsible for maintaining the company’s IT network, desktops, laptops, servers and security systems.You will need to be able ...Show more

Application Administrator

StantecMarkham, ON
Full-time +1

At Stantec, we have some of the world’s leading professionals passionate about enabling our business to be its best.Our business teams include finance, procurement, human resources, information tec...Show more

Application Administrator I

LancesoftMarkham, ON, CA
Full-time
Quick Apply

Job title: SAP Application and Material Inventory Support Analyst.Payrate: CAD$30 to CAD$34 per hour.The SAP Application and Material Inventory Support Analyst is responsible for supporting day to ...Show more

Senior Insolvency Estate Administrator

Campbell Morden IncNorth York, Ontario, Canada
Permanent

A Trustee in Bankruptcy firm in North York is hiring an Insolvency Estate Administrator to deal with all elements of consumer bankruptcy and proposal administration.Position Summary The Estate Admi...Show more

Collections Administrator

Randstad CanadaMarkham, Ontario, CA
Temporary
Quick Apply

We are looking for a Collections administrator to join a team located in the Markham, ON.Position: Collections administrator.Do you have experience working with Collections ?.Do you have experience...Show more

HR Administrator

Inviro Engineered SystemsScarborough, ON, CA
Full-time
Quick Apply

HR Administrator Full Time Are you a motivated and passionate individual, eager to advance your career?.As one of Canada’s leading Mechanical/Electrical engineering firms, INVIRO is looking for a d...Show more

Lease Administrator - Future Opportunities

BGISMarkham, ON, Canada
Full-time

Reviews lease agreements and abstracts key information including but not limited to lease provisions, clauses, options and critical dates, property information (.Enters and maintains lease agreemen...Show more

IT Network Administrator

Mobis Parts Canada CorporationMarkham, Ontario, Canada
Full-time
Quick Apply

MOBIS Parts Canada ("MPCA") is a technological leader in the automotive industry focusing on the distribution of parts for Hyundai Motor Company and Kia Motors.Through collaboration, ingenuity and ...Show more

Reception / Administrator

Teamrecruiter.comMarkham, Ontario, CA
Full-time

Fortune 500 and emerging growth companies.Our business model provides flexible, consistent and creative solutions to our clients' critical recruitment needs.We work on a two-tiered system of Accoun...Show more

Audit Administrator

BMO Financial GroupScarborough, ON
Full-time +1

BMO is an organization driven by a shared Purpose: Boldly Grow the Good in business and life.It calls on members of its team, to create lasting, positive change for its customers, its communities, ...Show more

Network Engineer - Intermediate

Cynet SystemsMarkham, ON
Full-time

The Network Engineer – Intermediate will be responsible for hands-on administration of network and hardware infrastructure.This role requires onsite presence and involves installation, configuratio...Show more

Oracle Database Administrator

VDart IncNorth York, ON, Canada
Full-time
Quick Apply

Job Title: Oracle Database Administrator Location: North York, ON Duration: / Term: 6+ months Show more

People also ask
Oracle Database Administrator

Oracle Database Administrator

Cloudious LLCNorth York, ON, Canada
6 days ago
Job type
  • Full-time
  • Quick Apply
Job description

Oracle Database Administrator

Rate: $70-75/hr CAD.

Glider & In-Person Client interview required.

5700 Yonge St, North York, ON M2N 5M9

Job description:

We are seeking an experienced Oracle Database Administrator with strong expertise in Oracle 12c and AWS RDS for Oracle to support, manage, and optimize mission critical database environments. The ideal candidate will have hands-on experience in high availability, disaster recovery, performance tuning, patching, and cloud-based database operations, with a strong focus on reliability, security, and scalability.

Key Responsibilities

Database Administration & Operations

  • Install, configure, administer, and support Oracle databases (primarily 12c) in both on premises and AWS environments
  • Perform day-to-day database administration activities, including:
    • User management and access control
    • Storage management
    • Health checks and capacity planning
  • Ensure high availability, stability, and performance of production and non-production databases

AWS RDS for Oracle

  • Manage AWS RDS for Oracle environments, including:
    • RDS instance provisioning and configuration
    • Multi-AZ setup and maintenance
    • Option Groups and Parameter Groups configuration
  • Perform backup and recovery operations using RDS snapshots
  • Monitor RDS performance and proactively address issues

High Availability & Disaster Recovery

  • Implement and manage Oracle Active Data Guard environments
  • Perform failover and failback activities during incidents and planned events
  • Participate in DR drills and ensure recovery objectives (RTO/RPO) are met

Oracle Grid & ASM

  • Manage Oracle Grid Infrastructure 12c
  • Administer and support Oracle ASM for storage management and optimization

Performance Tuning & Monitoring

  • Monitor database performance using Oracle Enterprise Manager (OEM) 12c/13c
  • Perform SQL and system-level performance tuning to optimize database efficiency
  • Identify performance bottlenecks and recommend long-term fixes

Patching, Upgrades & Cloning

  • Perform rolling patching and database upgrades with minimal downtime
  • Handle database cloning activities for development, test, and production support
  • Ensure patching and upgrade activities follow organizational standards and best practices

Documentation & Collaboration

  • Create and maintain database runbooks, SOPs, and technical documentation
  • Collaborate with application teams, cloud teams, and infrastructure teams to resolve issues
  • Provide operational support during audits, releases, and critical business events

Required Skills & Qualifications

  • 5 8 years of experience in Oracle Database Administration
  • Strong hands-on experience with Oracle 12c
  • Experience with AWS RDS for Oracle, including:
    • RDS Snapshots
    • Multi-AZ deployments
    • Option Groups and Parameter Groups
  • Strong knowledge of Oracle Active Data Guard, including failover/failback techniques
  • Hands-on experience with Oracle ASM and Grid Infrastructure (12c)
  • Expertise in performance tuning and monitoring using OEM 12c/13c
  • Experience with database cloning, rolling patches, and upgrades
  • Solid understanding of backup and recovery strategies in AWS RDS environments

Preferred / Nice-to-Have Skills

  • Experience working in large enterprise or regulated environments
  • Exposure to incident, problem, and change management processes
  • Scripting experience (Shell, SQL, or similar) for automation and monitoring
  • Experience supporting 24x7 production environments
  • Familiarity with security best practices for Oracle databases

Soft Skills

  • Strong troubleshooting and analytical skills
  • Excellent communication and documentation abilities
  • Ability to work independently and collaboratively across teams
  • Comfortable handling high-pressure production issues

Skills

oracle,database modeling,backup and recovery,oracle db,