Senior System Administrator
About The Position
Rebel Athletic is seeking a Senior System Administrator to lead Systems Administration and Helpdesk functions while providing hands-on technical expertise and guiding junior IT team members’ daily work. The position helps maintain a secure, reliable, and scalable technology environment that supports company operations. It calls for expertise with Microsoft 365, Entra ID, Intune, Shopify, Freshservice, and security governance in a fast-paced setting. The role oversees IT operations and escalations, supports and administers business systems, leads cybersecurity and infrastructure initiatives, and provides advanced technical assistance. It is a full-time position in a professional office and warehouse environment, primarily office-based. Occasional travel between locations may be required, as may availability outside normal business hours for scheduled maintenance, urgent issues, or high-priority projects.
Requirements
- At least 5 years of Systems Administration experience, including leadership responsibilities.
- Expertise with Microsoft 365, Entra ID, Intune, Windows/macOS, and security governance.
- Experience administering phishing/spam training tools, Freshservice, and Shopify.
- Strong communication, leadership, problem-solving, and escalation-management skills.
- Valid driver’s license if travel between Rebel Athletic locations is required.
Nice To Haves
- PowerShell scripting or automation experience.
- Experience with Zero Trust architecture, MFA, or conditional access design.
- Exposure to SIEM/SOC operations.
- Relevant Microsoft or security certifications.
Responsibilities
- Lead and mentor System Administrators and Helpdesk team members.
- Oversee daily IT operations, escalations, and workload prioritization.
- Develop IT processes, SOPs, documentation, and training materials.
- Serve as the top technical escalation point for system and infrastructure issues.
- Manage Microsoft 365, including Exchange Online, Teams, SharePoint, and OneDrive.
- Administer Entra ID identity management, including MFA, SSO, conditional access, and governance.
- Oversee Intune device management and user lifecycle administration.
- Lead cybersecurity initiatives, including phishing and spam awareness training.
- Manage email security and threat protection platforms.
- Conduct vulnerability assessments, patch compliance, and system hardening.
- Administer Shopify accounts, permissions, and platform integrations.
- Manage Freshservice workflows, automations, and asset management.
- Support additional SaaS platforms and integrations across the business.
- Lead upgrades, migrations, and automation projects across IT systems.
- Maintain IT documentation, standards, and architecture records.
- Provide Tier 2 and Tier 3 advanced technical support to the organization.
Benefits
- Paid time off (PTO).
- Company-paid holidays available immediately upon hire.
- Annual discretionary bonus opportunity.
- Medical, dental, vision, and life insurance.
- Voluntary benefits, including supplemental life insurance, short-term disability, long-term disability, and additional coverage options.
- 401(k) plan with company match. Benefit eligibility and effective dates depend on company policy and plan requirements.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
