Senior Microsoft Systems Engineer — Hybrid Cloud & Security

Interim HealthCare Inc.; Greenville (SC); On-site; USD 115,000 - 125,000; Full time

Benefits offered by this job

Competitive pay

Meaningful impact

Supportive culture

Comprehensive benefits

Job summary

Interim HealthCare Inc. in Greenville, SC is seeking a Senior Systems Engineer to lead enterprise infrastructure, security, and modernization initiatives in a healthcare‑focused environment.

You will act as senior technical authority across Microsoft systems, cloud technologies, cybersecurity, and VOIP, guiding architecture decisions and migrations. You’ll serve as a Tier 3 escalation point, collaborate with cross‑functional teams, and shape the IT posture to support patient care and operational

Qualifications

• This will be a full-time, onsite position in Greenville, SC.
• Bachelor’s degree or equivalent experience in a related field.
• 5+ years of progressive experience as a Senior Systems Engineer.
• 10-15 years as a Microsoft Systems Engineer or in a similar technical role.
• 10+ years managing VMware virtual infrastructures and VOIP environments, including migration leadership.
• Strong expertise in cybersecurity principles, risk mitigation, and enterprise system hardening.
• Exceptional problem-solving, analytical, and conceptual skills with the ability to influence technical decisions.
• Ability to work independently while effectively collaborating with leadership, stakeholders, and cross-functional teams.

Responsibilities

• Administer and optimize On-Premises Active Directory and Azure AD Connect, ensuring secure hybrid identity, SSO, and efficient replication.
• Oversee Microsoft 365 services (Exchange, SharePoint, OneDrive, Teams), ensuring reliable collaboration and system performance.
• Design, implement, and support VMware virtual infrastructures and VOIP systems, focusing on scalability, resilience, and successful migrations.
• Act as a Tier 3 escalation point for complex technical issues, driving root cause analysis, long-term solutions, and operational improvements.
• Lead cybersecurity initiatives, including vulnerability mitigation, incident response, and system hardening.
• Develop and maintain backup, recovery, and disaster recovery strategies to ensure business continuity.
• Collaborate with internal teams and franchise locations to provide expert guidance, document technical procedures, and support IT project delivery.

Skills

Active Directory

Azure AD Connect

Microsoft 365

VMware

VOIP systems

Cybersecurity

Incident response

Disaster recovery

Problem solving

Leadership

Education

Bachelor's degree or equivalent experience

Tools

SharePoint

Exchange

OneDrive

Teams

VMware vSphere

Azure

AD Connect

Job description

Interim HealthCare Inc. in Greenville, SC is seeking a Senior Systems Engineer to lead enterprise infrastructure, security, and modernization initiatives in a healthcare‑focused environment.

You will act as senior technical authority across Microsoft systems, cloud technologies, cybersecurity, and VOIP, guiding architecture decisions and migrations. You’ll serve as a Tier 3 escalation point, collaborate with cross‑functional teams, and shape the IT posture to support patient care and operational