Senior Systems Administrator
Summary
Senior Systems Administrator at Quoris, a healthcare IT consulting firm, remotely managing enterprise Windows/Linux servers, Azure/AWS cloud, virtualization, networking, backups, and security as the senior technical escalation point. Requires US work authorization without sponsorship; pays $95k–$112k.
This is a remote position.
Senior Systems Administrator
- Start Date: December 1, 2026
- Duration: Full-Time, Permanent
- Daily Working Hours: Full-Time
- Travel: Remote
- Work Authorization: Must be eligible to work in the U.S. without company sponsorship
- No Third Parties Please
- Salary: $95,000 – $112,000
Key Responsibilities
- Administer, maintain, and optimize Windows and Linux server environments including Active Directory, Group Policy, DNS, DHCP, and file services.
- Manage virtualization infrastructure including VMware or Hyper-V environments.
- Administer and maintain cloud platforms including Microsoft Azure or AWS.
- Manage network infrastructure including switches, firewalls, VPNs, and wireless systems.
- Monitor system performance, capacity, and availability; proactively identify and resolve issues before they impact operations.
- Manage backup, disaster recovery, and business continuity processes and testing.
- Administer endpoint management tools including patch management, software deployment, and device configuration.
- Support and maintain identity and access management systems including Active Directory and Azure AD.
- Implement and maintain security controls, hardening standards, and compliance requirements.
- Lead and contribute to infrastructure projects including upgrades, migrations, and new deployments.
- Document systems configurations, procedures, and runbooks.
- Provide senior-level technical escalation support for helpdesk and IT operations teams.
Qualifications
- 5+ years of enterprise systems administration experience in a complex IT environment.
- Strong expertise in Windows Server administration including Active Directory, Group Policy, DNS, and DHCP.
- Experience administering virtualization platforms including VMware vSphere or Microsoft Hyper-V.
- Hands-on experience with Microsoft Azure or AWS cloud platforms.
- Solid understanding of networking concepts including TCP/IP, VLANs, firewalls, and VPNs.
- Experience with backup and disaster recovery solutions and testing.
- Strong troubleshooting and problem-solving skills across infrastructure layers.
- Excellent communication skills with both technical and non-technical stakeholders.
- Ability to work independently and manage multiple priorities in a fast-paced environment.
Preferred Qualifications
- Experience in a healthcare IT environment; familiarity with HIPAA security requirements.
- Linux server administration experience.
- Microsoft certifications such as MCSA, MCSE, or Azure Administrator Associate.
- VMware certification (VCP) or equivalent.
- Experience with endpoint management platforms such as SCCM, Intune, or Jamf.
- Experience with ITSM tools such as ServiceNow or similar ticketing platforms.
- Scripting experience with PowerShell, Bash, or Python for automation.
Ideal Candidate Profile
- Senior infrastructure professional who can independently manage a complex, multi-platform environment without needing hand-holding.
- Proactive problem solver who identifies and resolves issues before they become outages.
- Strong communicator who can translate technical concepts clearly for non-technical stakeholders and leadership.
- Detail-oriented and organized with a track record of clean documentation and reliable infrastructure management.
- Brings technical depth, accountability, and a service-oriented mindset to a fast-moving healthcare IT consulting firm.
