london on solution security Jobs – 145 Openings This Week

System Administrator (intermediate - senior level)
Oxford Consulting Group —London, ON
- $65,000–$90,000 a year
- Full-time
- Hybrid work
- English
- Windows
- Microsoft Office
Quick apply
19h
Retail Sales Associate
Canna Cabana —London, ON
- $17–$19 an hour
- Part-time
- Sales
- Customer service
- Basic math
10h
Retail Shift Leader
Canna Cabana —London, ON
- $19–$21 an hour
- Part-time
- Sales
- Customer service
- Microsoft Office
10h
Senior Legal Counsel, Corporate Law
First Canadian Title Company Limited —London, ON
- $141,080–$172,381 a year
- Full-time
- Bachelor's
- Human resources
- Contracts
- Employee stock purchase plan
- Designated paid holidays
Quick apply
Sales Account Manager
Fire safety and protection LLC —London, ON
- $49,000–$78,600 a year
- Full-time
- CRM software
- Sales
- Marketing
- Disability insurance
- Dental care
Quick apply
Senior Electrical Engineer
AECOM —London, ON
- $120,000–$140,000 a year
- Full-time
- Engineering
- Presentation skills
- Bachelor's
- Employee stock purchase plan
- Dental care
Project Sales Executive
Fire safety and protection LLC —London, ON
- $75,000–$115,000 a year
- Full-time
- CRM software
- Sales
- Engineering
- Disability insurance
- Dental care
Quick apply
OT System Architect
Chemtrade —Canada
- $150,000–$190,000 a year
- Full-time
- Computer Science
- Windows
- AWS
2h
SAP Development Lead ( S/4 HANA, SAP BTP, Fiori, ABAP)
Finney-Taylor Consulting Group —Canada
- Contract
- Azure
- DevOps
- SQL
14d
Asana Consultant (Solutions Engineer)
Cirface —Canada
- $60,000–$80,000 a year
- Full-time
- Remote
- Bilingual
- English
- Analysis skills
- Mileage reimbursement
- Dental care
Quick apply
ServiceNow AI Architect in Canada
KAnand Corporation —Canada
- $70–$80 an hour
- Contract
- Remote
- Azure
- APIs
- AI
Quick apply
1d
Senior Advisor, Digital Communications
Metrolinx —Canada
- $93,798 a year
- Full-time
- Analysis skills
- Continuous improvement
- Organizational skills
8d
OT System Architect
Chemtrade —Canada
- $150,000–$190,000 a year
- Full-time
- Computer Science
- Windows
- AWS
2h

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Welder
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Chief Information Security Officer (CISO)
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solution security jobs near london on

System Administrator (intermediate - senior level)

Oxford Consulting Group -
London, ON

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Job details

Permanent | Full-time
$65,000–$90,000 a year
19 hours ago

Qualifications

Microsoft Windows Server
System administration
CISSP
English
Windows
Microsoft Office
CISM
DHCP
Analysis skills
Bachelor's
Virtualization
CompTIA Network+
Computer networking
DNS
CompTIA Security+
Communication skills
Adobe Acrobat
Active Directory
Information Technology

Full job description

System Administrator (Intermediate–Senior)

We are looking for an experienced System Administrator to take ownership of our on‑premises infrastructure and ensure the reliability, security, and performance of the firm’s core technology systems. This role works alongside another IT Administrator, who manages day‑to‑day support, while you focus on infrastructure operations, modernization, and technical leadership. We are open to intermediate to senior level skills and experience, and can adapt the position to the individual

Our environment is evolving through automation, AI‑driven improvements, and ongoing upgrades. You will play a key role in shaping that evolution—designing solutions, implementing changes, and maintaining the systems our team depends on every day. The position requires a strong understanding of Windows‑based environments, virtualization, storage platforms, and end‑user productivity tools.

What You’ll Do

Maintain and support Windows Server systems, virtualization hosts, storage platforms, and network services.
Lead infrastructure improvements, including upgrades, migrations, and modernization projects.
Manage Hyper‑V clusters, virtual machines, and related services.
Administer Active Directory, DNS, DHCP, Group Policy, and identity‑related components.
Provide application support for Microsoft Office, Adobe Acrobat, and industry‑specific software.
Monitor system health, performance, and security; respond to alerts and incidents.
Maintain accurate documentation, procedures, and operational runbooks.
Work with external vendors and service providers as needed.
Participate in after‑hours maintenance or support when required.

What You Bring

Education

Diploma in Information Technology or a university degree with a computer‑science component.
Certifications are an asset (Microsoft AZ‑800/801, CompTIA Network+, MOS).
Security certifications are beneficial but not mandatory (CISSP, CISM, Security+).

Experience

5–7+ years working with physical servers, Hyper‑V environments, RAID‑based storage, and NAS systems.
Hands‑on experience supporting end users with Microsoft Office, Acrobat, and related applications.
Familiarity with networking fundamentals, security practices, and operational procedures.
Experience with Synology or QNAP storage solutions.
MSP experience is considered an asset.

Skills & Attributes

Strong communication skills and the ability to support non‑technical users.
Solid understanding of Windows Server, Windows 11, and Microsoft Office.
Proficiency with Hyper‑V, Active Directory, DNS, DHCP, and related services.
Knowledge of network design, VLANs, routing, firewalls, and high‑availability concepts.
Experience with NAS administration, replication, and cloud‑based backup workflows.
Interest in emerging technologies and continuous improvement.
Strong analytical and problem‑solving abilities.

Pay: $65,000.00-$90,000.00 per year

Application question(s):

You understand that this position is full-time on-site (not remote or hybrid)

Experience:

backend system administration for a mid-size company: 5 years (required)
managing on-premise Windows servers and RAID storage: 5 years (required)

Language:

English natively (required)

Work Location: In person

Quick apply

Refine Your Search

solution security jobs in london on

System Administrator (intermediate - senior level)

Retail Sales Associate

Retail Shift Leader

Senior Legal Counsel, Corporate Law

Sales Account Manager

Senior Electrical Engineer

Project Sales Executive

OT System Architect

SAP Development Lead ( S/4 HANA, SAP BTP, Fiori, ABAP)

Asana Consultant (Solutions Engineer)

ServiceNow AI Architect in Canada

Senior Advisor, Digital Communications

OT System Architect

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