Job Description
Job Title: Senior Systems Administrator – Kubernetes, VMware & CyberArk
Location : Remote
Job Type : Full-Time
Experience Level : Mid to Senior-Level
Work Environmen t: Remote
Job Summary: We are seeking an experienced Senior Systems Administrator with expertise in managing Kubernetes and VMware platforms, CyberArk administration, and enterprise-scale Windows and Linux environments. The ideal candidate will play a key role in managing infrastructure, rotating and auditing privileged accounts, maintaining security best practices, and supporting both Windows (80%) and Linux (20%) systems across a large-scale Active Directory environment with 100,000+ users.
Key Responsibilities: - Administer, monitor, and maintain Kubernetes clusters and VMware vSphere environments.
- Perform capacity planning, resource allocation, and health checks across virtualized infrastructure.
- Manage and rotate service accounts in CyberArk.
- Take full ownership of account rotations, including scheduling, execution, and reporting.
- Audit privileged account usage and implement compliance measures in collaboration with security and system teams.
- Manage 80% Windows and 20% Linux servers and workloads.
- Perform regular patching, performance tuning, and incident resolution.
- Work with system admins to optimize Group Policy Objects (GPOs) and system configurations.
- Support and maintain an enterprise-scale Active Directory environment (100k+ users).
- Upgrade Domain Controllers and perform AD health checks and replication monitoring.
- Implement and modify Group Policies (GPOs) to align with organizational security and operational policies.
- Participate in security audits and remediation processes.
- Implement role-based access controls (RBAC), hardening measures, and system logging/monitoring.
- Collaborate with InfoSec on security best practices and incident response efforts.
Required Skills & Qualifications:
- 5+ years of experience in system administration, including Windows and Linux environments.
- Hands-on experience with Kubernetes and VMware vSphere administration.
- Strong knowledge and working experience with CyberArk Privileged Access Management (PAM).
- Proven experience in managing Active Directory environments with large user bases.
- Familiarity with Domain Controller upgrades, Group Policy management, and audit tools.
- Proficient in PowerShell and/or Bash scripting for automation and reporting.
- Strong troubleshooting skills and ability to work independently or as part of a cross-functional team.
Job Tags
Full time, Work experience placement, Remote work,