london, on network administrator Jobs – 8 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
2d
Information Systems Technician
Canadian Armed Forces —Ontario
- $4,337–$6,413 a month
- Part-time
- No experience needed
- Dental care
- Paid time off
Information Technology Support Specialist
Dillon Consulting Limited —London, ON
- $45,000–$65,000 a year
- Full-time
- Hybrid work
- Customer service
- Communication skills
- Time management
- Employee assistance program
- Flexible schedule
Bilingual Network Administrator
Compugen Inc —Ontario
- $75,000–$85,000 a year
- Hybrid work
- Bilingual
- Azure
- Customer service
- Disability insurance
- Dental care
3d
Information Technology (IT)
Miller Thomson —London, ON
- Full-time
- Writing skills
- English
- Microsoft Office
- Disability insurance
- Dental care
IT Technician
Stratford Festival —Stratford, ON
- $44,200–$50,000 a year
- Weekends as needed
- Customer service
- Windows
- Analysis skills
- Employee assistance program
9d

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Systems Support Assistant
ARMSTRONG MILLING CO. LTD —Hagersville, ON
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IT Support Analyst
Liebherr-Canada Ltd. —Burlington, ON
Participate in and support capacity planning and the development of long-term strategic goals for systems and software in conjunction with end-users, IT…
Information Systems Technician
Canadian Armed Forces —Ontario
New pay increases: earn more from the start. Be a Canadian citizen or permanent resident living in Canada; _For the Primary Reserve, you may be 16 years old (…
$4,337–$6,413 a month

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System Administrator (intermediate - senior level)

Oxford Consulting Group
London, ON

Quick apply

Job details

Permanent | Full-time
2 days ago

Skills

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

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Refine Your Search

network administrator jobs in london, on

System Administrator (intermediate - senior level)

Information Systems Technician

Information Technology Support Specialist

Bilingual Network Administrator

Information Technology (IT)

IT Technician

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