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Senior System administrator

CGI Group

This is a Contract position in Mississauga, ON posted January 6, 2022.

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Position Description:

Join our Global Technology Operations Team!

We are looking for a Senior System Administrator with the following technologies:

•Active Directory

You will be a part of a technical team supporting different domains and collaborate with multi clients/verticals. There is many opportunities for learning and for your career development!

Your future duties and responsibilities:

•Lead designs, specifications and work plans to meet established business and technical design requirements, approved architecture/technical standards, service levels, and continuous improvement.

•Look for ways to improve the infrastructure environment in regards to security, stability and sustainability.

•Provide mentorship to junior and operational team/assist to resolve escalated issues as required.

•Bring a solid understanding of current best practices and industry standards.

•Participate in root cause analysis of high priority (P1 & P2) operational failures; incorporate learnings into solution designs to prevent future failures.

•Build, review and maintain technical standards in conjunction with Operations and Enterprise architecture.

•Evaluate technical deviations from current standards, present technical deviation recommendations to stakeholders, and provide final approval as required.

•Research, select and deploy the best applicable technology for systems development/maintenance and production Operations.

•Identify impacts to existing infrastructure capacity.

•Evaluate non-functional characteristics including performance, availability, scalability, resilience.

•Review environments for production and non-production (development, test, QA, training) and provide recommendations for on-going improvement and sustainability.

•Work with Operations to ensure solutions are supportable, serviceable and meet business requirements & SLA’s.

•Identify software licensing impacts (where relevant).

•Ensure changes to existing services are made in a controlled manner: i.e. include impact assessment in consultation with the business and technical owners, regression testing of any impacted systems, and planned migration into production.

•Install, configure and troubleshoot infrastructure, applications and software.

•Implement and document system administration procedures for operations coverage and end users.

•Maintain and update standards in configurations and optimize system designs.

•Participate in design and architecture of new systems and support tools solutions.

Required qualifications to be successful in this role:

• Minimum 7 years + of experience in Wintel server support and solution design capacity in Enterprise environments.

• Education: Undergraduate degree required in computer science, engineering, or related discipline with an information technology focus (preferred).

• Demonstrated ability to work both independently and with others.

•High level of creativity and innovation in problem solving. High level of analytical ability to deal with complex problems.

•Relevant manufacturer technical certification in Wintel servers (hardware / software).

Other technical requirements:

•Enterprise class Windows Server operating systems 2003 to 2019 and supporting hardware (physical and virtual), software and tools. Windows Server 2016 experience preferred.

•Windows Servers planning / design / deployment.

•Strong experience deploying and managing ESX Host VMware infrastructure. Good troubleshooting skills in Vmware vCenter & ESXi servers.

•Citrix products and technologies including XenApp, XenDesktop, Xenmobile, and Sharefile would be preferred.

•A good understanding of Hypervisors (in particular VMware and Hyper-V) and virtualization of Operating Systems, networks, and storage from a design perspective would be beneficial.

•A good understanding of High Availability solutions such as clustering, load balancing, and replication.

•Work with Forests and Domains; Restructuring a Forest and Renaming Domains.

•Maintains the Group Policy infrastructure based on the policies and guidelines provided.

•Equipment, Software, Component and Services Monitoring.

•Performance and capacity planning, and recurring performance tuning.

•Authentication services.

•Network Time Protocol (NTP) time-sync services.

•File Transfer Protocol (FTP) and Secure File Transfer Protocol (SFTP/FTPS) services.

•Domain Name Services (DNS).

•Dynamic Configuration Host Protocol (DHCP).

•Out-of-band management (OOBM) access for Lights out Operation (LOM).

•Storage devices and sub-systems.

•Storage connectivity such as Power-path, Multi-Path IO (MPIO), Dynamic Multipath (DMP), FCIP, iSCSI.

•File systems and protocols, including NAS systems and file shares.

•Power shell or VB Shell programming scripts (highly desirable).

•TCP/IP networking.

•General server security and hardening best practices.

•Infrastructure systems integration with remote access and application delivery.

•Physical Data Centre requirements related to Infrastructure equipment (i.e. physical space management, power, cooling and cabling requirements).

•An understanding of networks, storage / data protection, security services, databases and other infrastructure and application systems and how these integrate/interface with Wintel servers.

Other preferred requirements:
• Bilingual English and French (written and verbal).
• Eligibility to obtain government clearance (enhanced reliability to Secret level) as required.

What you can expect from us:

Build your career with us.

It is an extraordinary time to be in business. As digital transformation continues to accelerate, CGI is at the center of this change-supporting our clients’ digital journeys and offering our professionals exciting career opportunities.

At CGI, our success comes from the talent and commitment of our professionals. As one team, we share the challenges and rewards that come from growing our company, which reinforces our culture of ownership. All of our professionals benefit from the value we collectively create.

Be part of building one of the largest independent technology and business services firms in the world.

Learn more about CGI at

No unsolicited agency referrals please.

CGI is an equal opportunity employer. In addition, CGI is committed to providing accommodations for people with disabilities in accordance with provincial legislation. Please let us know if you require a reasonable accommodation due to a disability during any aspect of the recruitment process and we will work with you to address your needs.