Senior System Administrator
ARC Business Solutions Inc.
ARC Business Solutions Inc. is an established and customer-oriented information technology solution provider with proven abilities to incorporate strategy, creativity and technical aspects into business solutions. ARC operates out of 4 regions in Canada–Edmonton, Calgary, Toronto and Regina and in the US - and services a broad base of private and public sector clients. Service delivery is focused in five main technology solution verticals: Systems Delivery, Enterprise Information Management, Mobile Solutions, Training and Managed Services; with industry expertise in Energy, Utilities, Government, Financial Services and the Public Sector.
ARC Business Solutions Inc. is currently seeking a Senior Systems Administrator for a three month contract in Edmonton, AB. On site work is required.
ROLE: Senior Systems Administrator
Key Responsibilities
Day-to-day responsibilities may include, but are not limited to:
- Conduct regular client environment reviews and produce clear health reports with actionable recommendations.
- Identify security risks, misconfigurations, and vulnerabilities before they become incidents, and drive remediation to completion.
- Build, maintain, and enforce documentation standards, including runbooks and SOPs for repeatable client processes.
- Lead Microsoft 365 and Azure environment design, migration, and optimization projects for multiple clients.
- Administer Entra ID (Azure AD), Conditional Access, Intune, Defender, and Exchange Online in modern cloud and hybrid environments.
- Manage hybrid identity environments and Azure IaaS workloads, including identity sync, access controls, and VM infrastructure.
- Design and implement network solutions, including firewalls, switching, VLANs, SD WAN, and VPNs across multiple vendors.
- Support and optimize mixed vendor network environments (Cisco, Fortinet, Meraki, Ubiquiti, and others).
- Manage on premises server infrastructure, including Windows Server, VMware/Hyper V, and storage platforms.
- Own backup and disaster recovery solutions end to end, including design, implementation, monitoring, and regular restore testing.
- Conduct client security reviews and produce clear risk reports, remediation plans, and security roadmaps.
- Respond to and coordinate security incidents across the client base, including escalation and post incident review.
- Contribute to scoping and estimating project work, providing technical input into quotes and proposals.
- Design and manage proactive monitoring, patching, and maintenance programs across the client base.
- Supports consulting project teams with technical scoping, solution design, and knowledge transfer for smooth MSP handovers.
- Propose and help implement service improvements and operational efficiencies within the MSP.
- Mentor junior and mid-level team members through shadowing, knowledge sharing, and informal coaching to build overall team capability
- Provide operational support for users across multiple time zones and regions, including participation in business-impacting incidents or escalations that may occur outside standard local business hours, in accordance with established support and escalation processes.
- Assist during peak operational periods such as onboarding waves, device refresh cycles, outages, or high-volume support events.
Core Skills & Expectations
- Professional communication and collaboration with clients, vendors, and internal teams.
- High level of accountability, reliability, and attention to detail in a multi client environment.
- Strong ability to manage priorities and meet deadlines across competing client demands.
- Discretion and professionalism when handling sensitive, confidential, or regulated information.
- Proven ownership mindset, including following issues through to full resolution and documentation.
Role-Specific Skills & Experience
- 8+ years of experience in IT support or systems administration, with significant experience in an MSP or multi client SMB environment.
- Strong hands on Microsoft 365 administration (Exchange Online, Teams, SharePoint, Intune, Defender), including migrations and complex troubleshooting.
- Azure administration experience, including IaaS (VMs, networking, storage), Entra ID, Conditional Access, and hybrid identity (e.g., Azure AD Connect).
- Solid networking knowledge (routing, switching, firewalls, VLANs, VPNs) with practical experience managing mainstream SMB firewalls (e.g., SonicWall, Fortinet).
- Practical cybersecurity experience (EDR/XDR, MFA, vulnerability management, security reviews, and incident response) suitable for SMB environments.
- Experience with RMM and PSA tools in an MSP context, including tuning monitoring, patching, and automation policies.
- Ability to work independently across multiple client environments, prioritize competing demands, and own tasks and projects through to completion.
Internal Contribution & Collaboration
- Supports consulting project teams with technical scoping, solution design, and knowledge transfer for smooth MSP handovers.
- Contributes positively to ARC’s culture and internal initiatives
- Shares knowledge and supports continuous improvement
Stakeholder Relationships
- Works closely with internal team members and leadership
- Maintains positive, respectful, and professional working relationships
Initiative & Continuous Improvement
- Identifies opportunities to improve client outcomes across both managed services and consulting engagements.
- Stays current with emerging technologies and adapts quickly to evolving client needs and MSP priorities
Working Conditions
- Standard office working environment
- 7.5 hr workday on a shift basis
- Overtime and on-call duties as required
- Ability to lift and move equipment up to 50 pounds occasionally.
Performance & Review Alignment
This role will be evaluated annually as part of ARC’s formal review process, aligned with the company’s fiscal year and strategic objectives.
We thank all applicants for their interest; however only candidates considered for interviews will be contacted. We will be conducting interviews immediately.
TO BE CONSIDERED - Please forward your resume clearly displaying reference number RB:SA in the subject line to ***email_hidden*** . For more information on ARC, please visit our website at
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