Job Description

Systems Administrator

RSI Security is a leading cybersecurity compliance firm that specializes in providing comprehensive security assessment, advisory, and technical security testing services. We support organizations in navigating the complex cybersecurity landscape, ensuring they achieve and maintain compliance while managing risks effectively.

About the Role

RSI Security is looking for a detail-driven, security-focused Systems Administrator to safeguard mission-critical client systems and ensure bulletproof backup integrity. This role supports our Technical Operations team by managing and hardening on-premises and cloud server infrastructures, ensuring robust backup and disaster recovery, and delivering proactive system administration across multiple clients.

You will work closely with service desk, engineering, and security teams while maintaining high compliance standards and delivering exceptional reliability in a fast-paced, mission-driven environment that runs on the Entrepreneurial Operating System (EOS).

What You'll Do

• Install, patch, and secure Windows Server, VMware vSphere, Active Directory, and related services.
• Configure, upgrade, and relocate PC and peripheral hardware as needed.
• Operate, monitor, test, & remediate backup jobs, performing quarterly restore tests.
• Resolve critical backup failures within 24 hours and own Priority-1 incidents through resolution.
• Document all changes in IT Glue and follow change-management procedures.
• Deliver remote & onsite system-security consulting and recommend hardware refreshes, cloud migrations, and DR improvements.
• Build daily, weekly, and monthly SOP checklists & track KPI metrics (backup success, patch compliance, MTTR) on the TechOps scorecard.
• Maintain runbooks, publish knowledge-base articles, and mentor junior technicians.

What You'll Bring

• 35 years of systems administration experience, preferably in an MSP or multi-client environment.
• Strong knowledge of Windows Server, VMware, Active Directory, & backup/recovery tools.
• Experience with cloud platforms (Azure, AWS, or GCP) preferred.
• Certifications such as MCSA/MCSE, VCP, or backup/security-related credentials preferred.
• Proven history of meeting strict uptime, backup, and patching SLAs.
• Ability to lead, manage, and hold others accountable (LMA experience a plus).
• Excellent troubleshooting, documentation, and communication skills.
• Familiarity with the EOS framework (Scorecards, Rocks, L10s) is a plus.

Mindset We Value

• Owns reliability of systems and communicates status proactively.
• Performs effectively during high-severity incidents.
• Works seamlessly with service desk, engineering, and security teams; mentors junior technicians.
• Seeks certifications, automates repetitive tasks, & recommends process enhancements.
• Protects client data, enforces least-privilege access, and follows compliance procedures.

What We Offer

• Competitive salary and commission eligibility.
• Flexible work environment.
• Comprehensive health, dental, and vision insurance.
• 401(k) retirement plan with employer match.
• Company-paid life insurance and short/long-term disability coverage.
• Professional development and certification reimbursement.
• Collaborative team culture rooted in trust and humility.

Our commitment to equity, equal opportunity, inclusion, and diversity is part of our broader commitment to respecting fundamental human rights across our value chain. RSI Security is proud to be an Equal Opportunity Employer. The Company will consider for employment qualified applicants with arrest and conviction records.

Equal Opportunity Employer/Veterans/Disabled

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