Systems Administrator (FT, W2s)

Remote

Full Time

Experienced

WE ARE HIRING
Systems Administrator

Department: Technical Operations (TechOps)

Type: Full-Time (US-Based)

Location: Remote

Pay: Based on experience, education, location, and market rates.

Travel: <10%

Please ensure you read through the entire job posting and you also understand the work model, expectations, requirements, location, and qualification requirements for this role.

About Us

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

The Systems Administrator supports RSI Security’s Technical Operations team by maintaining, hardening, and monitoring client on-premises and cloud server infrastructures. This role is responsible for Windows Server administration, virtualization platforms, hybrid identity, Microsoft 365 tenant operations (Commercial and GCC/GCC High), and end-to-end backup and disaster recovery. The administrator will ensure uptime, security compliance, data integrity, and exceptional service delivery.

What You’ll Do

Own the reliability, security, and performance of client Windows Server, virtualization, and Active Directory / hybrid identity environments
Administer Microsoft 365 (Commercial + GCC/GCC High) and enforce tenant security controls
Execute and validate tenant hardening, migrations, identity sync projects, and mail cutovers with minimal business disruption
Operate and continuously improve backup, disaster recovery, and business continuity readiness
Produce clear incident documentation and post-incident remediation plans
Own and enforce change-management standards, ensuring approvals, backout plans, and documentation are complete and audit-ready
Partner with Service Desk, TAC, and Security teams to prioritize escalations and ensure consistent service delivery across TechOps
Guide clients on modernization initiatives, cloud migration strategy, and security enhancements aligned to compliance frameworks
Assist infrastructure improvement efforts including hardware refreshes, virtualization optimization, patching standards, and DR enhancements
Maintain and continuously improve operational runbooks, SOPs, and knowledge base documentation in IT Glue, ensuring high adoption and accuracy
Mentor junior technicians by setting expectations, providing coaching, and raising the team’s technical and documentation quality standards

What You’ll Bring

Relevant Microsoft certifications in Windows Server Hybrid Administration, Microsoft 365 Administration, and Azure Administration, with baseline security knowledge
Proven experience supporting Microsoft 365 Commercial and GCC/GCC High environments, including Azure Government, identity integration, and regulated tenant operations
Strong working knowledge of compliance-driven environments and frameworks such as FedRAMP, CMMC, DFARS, and ITAR, with a disciplined approach to documentation and change control
Advanced hands-on capability in Windows Server administration
Experience supporting virtualization platforms (VMware and/or Hyper-V), including lifecycle management, optimization, and troubleshooting
Strong PowerShell / automation skills, with the ability to streamline operational tasks and reduce repeat incidents through scripting and standardization
Experience executing complex projects including server migrations, tenant hardening, identity sync/SSO implementation, and secure baseline deployment
Demonstrated ability to lead through high-severity incidents (P1/P2)
Value-add certifications such as VMware VCP, Veeam, Datto, or similar infrastructure/backup credentials
3–7 years of Windows Server administration in production environments
3+ years supporting VMware/Hyper-V virtualization
2+ years administering Microsoft 365 environments (Commercial and/or GCC/GCC High)
Knowledge in EOS System 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

For more information on RSI Security, please visit our website - www.rsisecurity.com or our social media RSI Security LinkedIn. On our career site, you will find some of the key steps you can expect to guide you along the way.

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