Posted 2 months ago
Senior Middleware Specialist
@ Randstad Canada
Toronto, Ontario
SIGNALS
Overview
Randstad Canada is hiring a Senior Middleware Specialist on a 6-month onsite contract in Toronto, with possible extension. The role leads the migration of enterprise application middleware from on-premises to AWS, including WebSphere, WebLogic and Tomcat tuning, cloud infrastructure design, CI/CD pipelines and containerization on Amazon EKS.
Responsibilities:
- Plan and execute AWS cloud migration strategies for enterprise applications
- Install, configure, tune and administer middleware servers and gateways
- Build and maintain automated CI/CD pipelines
- Drive containerization and Java upgrades, including WebSphere Liberty and Amazon EKS
- Produce design documentation, build books and runbooks
Requirements summary:
- Extensive middleware administration experience across WebSphere, WebLogic and Apache
- Hands-on AWS cloud and infrastructure experience
- Hands-on CI/CD and Infrastructure-as-Code experience
- Proven multi-tier and containerized workload support
- Container, enterprise product or monitoring tool experience is an asset
Tools & skills
WebSphere Application ServerWebLogicApache TomcatAWSJenkinsGitHub ActionsAzure DevOpsDockerKubernetesAmazon EKS
Source and dates
Employer career site / ATS feed · careerpage
- Employer posting date
- 2026-09-01
- First seen by our source
- 2026-10-10
- Source record updated
- 2026-10-10
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Senior |
| Department | Software development |
| Travel | air: none · ground: none |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Encouraged to apply | Women, Indigenous peoples, People with disabilities, Racialized people, 2SLGBTQ+ |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Randstad Canada
Saved company profile
Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.
partner for talent.
Full company description
As the Canadian leader in recruitment and HR, and one of Canada’s best places to work, we have a uniquely human approach to work. We deliver HR innovation with human interaction at its core. At the unique intersection of technology and humanity, we deliver data-driven insights coupled with a people-first experience that is inherently human. Human Forward. Learn more at www.randstad.ca.
- LinkedIn followers
- 455,966
- People associated on LinkedIn
- 1,207
- Reported office locations
- 777 Bay Street, Suite 2000, PO Box 128, Toronto, ON M5G 2C8, CA
- 525 Avenue Viger Ouest, Suite 501, Montréal, Quebec H2Z 1G6, CA
- 4295 King St E, Suite 401, Kitchener, Ontario N2P 0C6, CA
- 311 6 Ave SW, Intact Place, East Tower, Suite 1640, Calgary, AB T2P 3H2, CA
- 6345 Dixie Rd, Suite 6, Mississauga, ON L5T 2E6, CA
- 244 Pall Mall St, Suite 400, London, ON N6A 5P6, CA
- 4 Cedar Pointe Dr, Unit D, Barrie, Ontario L4N 5R7, CA
- 2456 Queen St E, Unit 201, Brampton, Ontario L6S 5X9, CA
- 10 Stanley St, Suite 4A, Brantford, Ontario N3S 7N4, CA
- 7055 Boulevard Taschereau, Suite 100, Brossard, Quebec J4Z 1A7, CA
- 1100 Walkers Line, Suite 105, Burlington, Ontario L7N 2G3, CA
- 10655 Southport Rd SW, Suite 1200, Calgary, Alberta T2W 4Y1, CA
- 495 36 St NE, Suite 140, Calgary, Alberta T2A 6K3, CA
- 321 6 Ave SW, Suite W940 (West Tower), Calgary, Alberta T2P 0B2, CA
- 415 Hespeler Rd, Unit 3A, Cambridge, Ontario N1R 6J1, CA
- 6001 60 Ave, Delta, British Columbia V4K 4E2, CA
- 787 Rue St-Pierre, Suite 303, Drummondville, Quebec J2C 3X2, CA
- 10025 102A Ave NW, Suite 1902, Edmonton, Alberta T5J 2Z2, CA
- 2305 111 St NW, Edmonton, Alberta T6J 5E5, CA
- 5 Boulevard Mountain, Granby, Quebec J2G 9M5, CA
- 450 Speedvale Ave W, Unit 103, Guelph, Ontario N1H 7Y6, CA
- 1809 Barrington St, CIBC Building, Unit 501, Halifax, Nova Scotia B3J 3K8, CA
- 275 James St N, Unit 2, Hamilton, Ontario L8R 2L4, CA
- 7655 Boulevard Newman, Suite 75, Montreal, Quebec H8N 1X7, CA
- 2530 Boulevard Daniel-Johnson, Laval, Quebec H7T 2R3, CA
- 2528 Boulevard Daniel-Johnson, Laval, Quebec H7T 2R3, CA
- 5410 Boulevard Guillaume-Couture, Suite 84, Lévis, Quebec G6V 4Z2, CA
- 460 Rue St-Charles O, Suite A, Longueuil, Quebec J4Z 1A7, CA
- 80 Tiverton Ct, Suite 400, Markham, Ontario L3R 0G4, CA
- 7357 Woodbine Ave, Suite 2, Markham, Ontario L3R 1A7, CA
- 4080 Confederation Pkwy, Suite 501, Mississauga, Ontario L5B 0G1, CA
- 6345 Dixie Rd, Suite 6, Mississauga, Ontario L5T 2E6, CA
- 809 Columbia St, New Westminster, British Columbia V3M 1B9, CA
- 20 York Mills Rd, Unit 208, Toronto, Ontario M2P 2C2, CA
- 1600 Carling Ave, Suite 410, Ottawa, Ontario K1Z 1G3, CA
- 2222 Carling Ave, Suite 2, Ottawa, Ontario K2A 1H3, CA
- 4810 Boul Saint-Jean, Montréal, Quebec H9H 4B2, CA
- 755 Boulevard Saint-Jean, Suite 130, Pointe-Claire, Quebec H9R 5M9, CA
- 815 Boulevard Lebourgneuf, Suite 201, Québec, Québec G2J 0C1, CA
- 2010 11th Ave, 7th Floor, Regina, Saskatchewan S4P 0J3, CA
- 208 Boulevard du Curé-Labelle, Sainte-Thérèse, Quebec J7E 2X7, CA
- 3500 Boulevard de la Côte-Vertu, Suite 175, Saint-Laurent, Quebec H4R 2X7, CA
- 6335 Rue Jean-Talon Est, Saint-Léonard, Quebec H1S 3E7, CA
- 310 Wall St, Saskatoon, Saskatchewan S7K 1N7, CA
- 124 Rue Wellington Nord, Suite 300, Sherbrooke, Quebec J1H 5X8, CA
- 701 W Georgia St, Suite 200, Vancouver, British Columbia V7Y 1C6, CA
- 730 View St, Suite 420, Victoria, British Columbia V8W 3Y7, CA
- 100 Regina St S, Suite 140, Waterloo, Ontario N2J 4P9, CA
- 114 Dundas St E, Unit 103, Whitby, Ontario L1N 2H7, CA
- 245 Portage Ave, Winnipeg, Manitoba, CA
- 1 Lombard Pl, Suite 1535, Winnipeg, Manitoba R3B 0X3, CA
- 386 Boulevard Charest E, Quebec, QC G1K 3H4, CA
- Other recorded names
- Randstad Canada
- Specialties
- HR Consulting
- IT Recruitment
- Engineering Recruitment
- Staffing and HR
- HR Services
- Recruitment
- HR Outsourcing
- Temporary Hiring
- Permanent Hiring
- Recruiting
- Permanent Jobs
- Temp Jobs
- Hiring Strategy
- Human Resources
- Staffing
- Finding Jobs
- Employer Branding
- Jobs
- and Contract Jobs
- Profile identifies a recruitment agency
- Yes
As the Canadian leader in recruitment and HR, and one of Canada’s best places to work, we have a uniquely human approach to work. We deliver HR innovation with human interaction at its core. At the unique intersection of technology and humanity, we deliver data-driven insights coupled with a people-first experience that is inherently human. Human Forward. Learn more at www.randstad.ca.
| Field | Value |
|---|---|
| Industry | Staffing and Recruiting |
| Company size | 501-1,000 employees |
| Headquarters | Toronto, ON |
| Organization type | Public Company |
| Year founded | 1997 |
| Specialties | HR ConsultingIT RecruitmentEngineering RecruitmentStaffing and HRHR ServicesRecruitmentHR OutsourcingTemporary HiringPermanent HiringRecruiting |
| Open jobs on Jobsy | 9,437 |
| View page |
Job description
We are seeking a highly accomplished Senior Middleware Specialist for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a premier middleware administration, cloud migration, and infrastructure modernization capacity, specializing in leading the technical transition of mission-critical application portfolios from on-premises environments to Amazon Web Services (AWS).
As a senior middleware specialist, you will bridge the gap between complex application servers, database layers, DevOps pipelines, and enterprise cloud architecture. Operating fully onsite in Toronto, you will lead a phased "migrate first, modernize second" program—executing middleware software installation, tuning, and optimization across web/application tiers (WebSphere, WebLogic, Tomcat), designing target-state AWS infrastructure, building CI/CD pipelines, and establishing future-state containerization strategies on Amazon EKS. This position is tailored for a technical authority who can manage enterprise middleware gateways, optimize platform performance, and ensure cloud security and identity integration.
Location: Toronto, ON
Assignment Type: Onsite
Contract Duration: 6-month contract (with potential for extension)
Advantages
Large-Scale Cloud Migration: Lead AWS migrations and modernizations for complex enterprise application suites.
Modern DevOps & IaC Integration: Build automated CI/CD pipelines using AWS CDK, CloudFormation, Jenkins, GitHub Actions, and Azure DevOps.
Future-State Containerization: Drive container orchestration strategies using Docker, Kubernetes, WebSphere Liberty, and Amazon EKS.
Enterprise Middleware Depth: Oversee installation, tuning, and administration across WebSphere, WebLogic, Oracle databases, and middleware gateways.
Responsibilities
Assess, validate, and execute AWS cloud migration strategies, roadmaps, and target-state architecture transition plans for enterprise applications.
Install, configure, tune, optimize, and administer enterprise middleware software, application servers, and integration gateways.
Support the migration of complex application suites, including WebSphere Application Server, WebLogic, Cognos Analytics, Informatica, and shared integration platforms.
Design and configure AWS core cloud infrastructure components, including VPCs, EC2 instances, S3, Route 53, Load Balancers, Transit Gateways, Security Groups, and IAM.
Build, maintain, and manage automated CI/CD pipelines for application build, testing, and deployment using DevOps tools.
Drive containerization initiatives, supporting Java upgrades (Java 21), WebSphere to WebSphere Liberty migrations, and Amazon EKS deployments.
Review cloud security architectures, integrate enterprise identity and SSO services, and support secure connectivity between cloud and on-premises environments.
Monitor system health, perform root-cause incident analysis, and execute performance tuning across web and application tiers.
Manage change control processes, risk mitigation strategies, and architectural decision records for complex releases.
Produce comprehensive technical design documentation, build books, runbooks, and deliver knowledge transfer sessions to internal teams.
Qualifications
Core Requirements & Technical Stack
Middleware Administration & Tuning: Extensive experience in middleware software installation, configuration, tuning, system optimization, and administration across web and application server tiers (WebSphere, WebLogic, Apache, etc.).
Middleware & Gateways: Direct experience managing middleware gateways, enterprise integration platforms, and application development components.
AWS & Cloud Migration: Hands-on experience with AWS cloud platforms, migrating, deploying, and managing cloud-native applications, infrastructure (VPC, EC2, S3, IAM, CloudWatch), and shared services.
DevOps & Automation Tools: Hands-on experience with CI/CD tools and Infrastructure-as-Code platforms such as AWS CodePipeline, CDK, CloudFormation, Jenkins, GitHub Actions, GitLab CI, or Azure DevOps.
Web & Application Tiers: Proven track record supporting multi-tier architectures, web servers, and containerized workloads.
Preferred Assets
Enterprise Product Exposure: Familiarity with enterprise applications such as Cúram, Oracle Siebel, Oracle eBS, IBM Business Automation Workflow (BAW), Informatica, Cognos, or Oracle databases.
Container Orchestration: Hands-on experience with Docker, Kubernetes, Amazon EKS, or Red Hat Enterprise Linux.
Security & Monitoring: Familiarity with PKI infrastructure, IAM/SSO protocols, and enterprise monitoring suites (Dynatrace, Prometheus, Grafana, Nagios, OpenSearch).
Soft Skills & Delivery Attributes
Technical Leadership & Mentorship: Strong ability to facilitate technical workshops, mentor team members, and guide architectural decision-making.
Analytical Problem Solving: Superior diagnostic capabilities to resolve performance bottlenecks, security vulnerabilities, and data integrity issues.
Communication & Collaboration: Outstanding written and verbal communication skills to articulate complex infrastructure designs to technical and executive partners.
Summary
If you're interested in the "Senior Middleware Specialist" role based in Toronto, we encourage you to apply online at www.randstad.ca.
Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!
Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.
Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to [email protected] to ensure their ability to fully participate in the interview process.
This posting is for existing and upcoming vacancies.
As a senior middleware specialist, you will bridge the gap between complex application servers, database layers, DevOps pipelines, and enterprise cloud architecture. Operating fully onsite in Toronto, you will lead a phased "migrate first, modernize second" program—executing middleware software installation, tuning, and optimization across web/application tiers (WebSphere, WebLogic, Tomcat), designing target-state AWS infrastructure, building CI/CD pipelines, and establishing future-state containerization strategies on Amazon EKS. This position is tailored for a technical authority who can manage enterprise middleware gateways, optimize platform performance, and ensure cloud security and identity integration.
Location: Toronto, ON
Assignment Type: Onsite
Contract Duration: 6-month contract (with potential for extension)
Advantages
Large-Scale Cloud Migration: Lead AWS migrations and modernizations for complex enterprise application suites.
Modern DevOps & IaC Integration: Build automated CI/CD pipelines using AWS CDK, CloudFormation, Jenkins, GitHub Actions, and Azure DevOps.
Future-State Containerization: Drive container orchestration strategies using Docker, Kubernetes, WebSphere Liberty, and Amazon EKS.
Enterprise Middleware Depth: Oversee installation, tuning, and administration across WebSphere, WebLogic, Oracle databases, and middleware gateways.
Responsibilities
Assess, validate, and execute AWS cloud migration strategies, roadmaps, and target-state architecture transition plans for enterprise applications.
Install, configure, tune, optimize, and administer enterprise middleware software, application servers, and integration gateways.
Support the migration of complex application suites, including WebSphere Application Server, WebLogic, Cognos Analytics, Informatica, and shared integration platforms.
Design and configure AWS core cloud infrastructure components, including VPCs, EC2 instances, S3, Route 53, Load Balancers, Transit Gateways, Security Groups, and IAM.
Build, maintain, and manage automated CI/CD pipelines for application build, testing, and deployment using DevOps tools.
Drive containerization initiatives, supporting Java upgrades (Java 21), WebSphere to WebSphere Liberty migrations, and Amazon EKS deployments.
Review cloud security architectures, integrate enterprise identity and SSO services, and support secure connectivity between cloud and on-premises environments.
Monitor system health, perform root-cause incident analysis, and execute performance tuning across web and application tiers.
Manage change control processes, risk mitigation strategies, and architectural decision records for complex releases.
Produce comprehensive technical design documentation, build books, runbooks, and deliver knowledge transfer sessions to internal teams.
Qualifications
Core Requirements & Technical Stack
Middleware Administration & Tuning: Extensive experience in middleware software installation, configuration, tuning, system optimization, and administration across web and application server tiers (WebSphere, WebLogic, Apache, etc.).
Middleware & Gateways: Direct experience managing middleware gateways, enterprise integration platforms, and application development components.
AWS & Cloud Migration: Hands-on experience with AWS cloud platforms, migrating, deploying, and managing cloud-native applications, infrastructure (VPC, EC2, S3, IAM, CloudWatch), and shared services.
DevOps & Automation Tools: Hands-on experience with CI/CD tools and Infrastructure-as-Code platforms such as AWS CodePipeline, CDK, CloudFormation, Jenkins, GitHub Actions, GitLab CI, or Azure DevOps.
Web & Application Tiers: Proven track record supporting multi-tier architectures, web servers, and containerized workloads.
Preferred Assets
Enterprise Product Exposure: Familiarity with enterprise applications such as Cúram, Oracle Siebel, Oracle eBS, IBM Business Automation Workflow (BAW), Informatica, Cognos, or Oracle databases.
Container Orchestration: Hands-on experience with Docker, Kubernetes, Amazon EKS, or Red Hat Enterprise Linux.
Security & Monitoring: Familiarity with PKI infrastructure, IAM/SSO protocols, and enterprise monitoring suites (Dynatrace, Prometheus, Grafana, Nagios, OpenSearch).
Soft Skills & Delivery Attributes
Technical Leadership & Mentorship: Strong ability to facilitate technical workshops, mentor team members, and guide architectural decision-making.
Analytical Problem Solving: Superior diagnostic capabilities to resolve performance bottlenecks, security vulnerabilities, and data integrity issues.
Communication & Collaboration: Outstanding written and verbal communication skills to articulate complex infrastructure designs to technical and executive partners.
Summary
If you're interested in the "Senior Middleware Specialist" role based in Toronto, we encourage you to apply online at www.randstad.ca.
Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!
Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.
Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to [email protected] to ensure their ability to fully participate in the interview process.
This posting is for existing and upcoming vacancies.
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