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Infrastructure System Administrator

Job in London, Ontario, Canada
Listing for: Dillon Consulting
Full Time position
Listed on 2026-03-13
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
  • Engineering
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 95000 CAD Yearly CAD 80000.00 95000.00 YEAR
Job Description & How to Apply Below

Responsibilities

What your day will look like

Primary

  • Administer and maintain on-premises networking systems across the entire company
  • Administer and maintain cloud networking systems (Azure)
  • Investigate, troubleshoot, and resolve complex technical issues
  • Secondary

  • Administer and maintain local physical infrastructure
  • Administer and maintain local and cloud based virtual infrastructure
  • Participate in infrastructure related projects
  • Manage cloud storage environments
  • Tertiary

  • Monitor environment for stability and security alerts and react as they arise
  • Create and maintain appropriate infrastructure standards, diagrams, and procedures
  • Share accountability for after hours activities as needs arise
  • Learning and Development

  • Commit to self-development and ongoing learning and professional development
  • Contribute to Dillon’s corporate profile through active participation in professional associations and committees
  • Qualifications

    What you will need to succeed

  • 5+ years experience configuring and managing layer 3 switches (must have)
  • 5+ years experience configuring and managing Palo Alto firewalls (must have)
  • 5+ years of experience in designing, supporting, and maintaining in large and complex IT environments (must have)
  • In-depth understanding and experience of Information Technology standards and best practices
  • Post-secondary degree in information technology or an IT related discipline or equivalent combination of education, training, and experience
  • Experience

  • Demonstrated experience with:
  • Palo Alto Firewalls
  • Aruba/Cisco switches
  • Network design and implementation (LAN/WAN)
  • Meraki wireless
  • Active Directory/Group Policy
  • VMWare vSphere/VCentre
  • Google Workspace Administration
  • Microsoft 365 Administration
  • Veeam or other backup and restore technologies
  • Windows Server
  • Linux Server
  • Cisco DUO
  • Data centre management
  • Cloud based infrastructure management including AWS, Azure, and Google
  • Ability to coordinate, prioritize and complete multiple tasks and multiple priorities
  • Strong forward thinking, analytical, interpersonal, and problem-solving skills
  • Excellent oral and written communication skills
  • Desire to learn and explore new technologies
  • Experience with any of the following are considered distinct assets:

  • CCNA certification
  • ITIL certification
  • Network, security or infrastructure certifications such as MCSE, CISSP, etc.
  • Compensation:

    $80,000 - $95,000

    Dillon is including the salary range that we in good faith believe may offer for this position. It will be dependent on the successful applicant’s education, experience, and skills, in addition to internal equity and geographic region. Dillon reserves the right to pay outside of the posted range, contingent on factors unrelated to an applicant’s gender or other status protected by provincial and/or federal law.

    Why choose Dillon

    Dillon is powered by people who are technically proficient, passionate about socially important projects, and motivated to deliver superior, tangible results. We strive to remain at the forefront of technology and innovation, and are empowered to continually grow and develop.

    We live our core values
    :

  • Achievement: do the work to hit the target;
  • Continuous Development: always learning; always adapting; always growing;
  • Creativity: discover new possibilities;
  • Courage: do the things that matter, especially when it’s hard;
  • Inclusiveness: enabling belonging to draw strength from our differences;
  • Reliability: words result in actions that build trust;
  • In addition, we offer:

  • Employee share purchase plan
  • Dillon is 100% employee owned and share ownership is open to all employees.
  • A competitive compensation package
  • Comprehensive health benefits
  • Generous retirement savings plan
  • Student loan repayment assistance with matching employer contributions
  • Flexible work hours and hybrid working options
  • Dillon values its staff and the contributions that are made each day and understands that work arrangements can differ based on personal needs and business needs. We are taking a trust-based approach to offer a variety of flexible and hybrid work options to help balance the competing demands of work and personal life.
  • Learning and Development opportunities
  • As a knowledge-based business, we use a composite approach to development…
  • Position Requirements
    5+ Years work experience
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