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Rebel Athletic

Rebel Athletic

via Rippling

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Senior System Administrator

Carrollton, Texas
Full-time
Posted 10/30/2026
Direct Apply
Key Skills:
Microsoft 365
Entra ID
Intune
Identity and device management
Security governance
IT operations
Cybersecurity
Vulnerability assessment
Patch compliance
System hardening
Automation
Technical support
Leadership

Compensation

Salary Range

$70K - 85K a year

Responsibilities

Lead IT operations, helpdesk and technical escalations while mentoring junior staff and managing Microsoft 365, identity and devices, cybersecurity initiatives, and system architecture.

Requirements

Requires at least five years of systems administration experience, leadership responsibilities, and expertise in Microsoft 365, Entra ID, Intune, and security governance.

Full Description

About the Role We’re seeking a Senior System Administrator that leads all Systems Administration and Helpdesk functions while providing hands-on technical expertise and guiding the daily work of junior IT team members. This role plays a key part in maintaining a secure, reliable, and scalable technology environment that supports Rebel Athletic operations. The ideal candidate excels with Microsoft 365, Entra ID, Intune, Shopify, Freshservice, and security governance, and thrives in a fast-paced setting where problem solving is a daily sport. Duties and 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 (MFA, SSO, conditional access, 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 Qualifications • 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 Preferred Qualifications • 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 Compensation Range $70,000 - $85,000 per year Benefits Highlights 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. Working Conditions Full-time position operating in a professional office and warehouse environment. Primarily office-based work involving prolonged periods of sitting and computer use. Frequent use of computers, multiple monitors, technical systems, and IT management platforms. Occasional travel between Rebel Athletic locations may be required. May require availability outside normal business hours for scheduled system maintenance, urgent technical issues, or high-priority projects. Requires the ability to manage multiple priorities, respond to technical escalations, and maintain focus under deadline pressure. Regular interaction with employees, department leaders, external vendors, and IT team members across the organization. Equal Employment Opportunity Statement Rebel Athletic LLC is an Equal Opportunity Employer. We consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, military status, or any other protected characteristic. We strictly prohibit retaliation against individuals who raise concerns or participate in investigations.

This job posting was last updated on 11/4/2026

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