System Administrator

abra professional services is seeking a System Administrator! Key Responsibilities: Deploy, install, manage, and maintain Identity Management (IDM / IAM) infrastructure. Ensure system stability, high availability, and optimal performance. Manage and operate Linux / Unix and Windows servers. Work with LDAP infrastructure and application servers. Troubleshoot complex technical issues and investigate incidents in mission-critical environments. Collaborate with Information Security, Networking teams, and external vendors. Author installation guides, operational procedures, and technical documentation. Work within cloud environments, including AWS and Entra ID. Lead infrastructure projects, system upgrades, and ongoing maintenance activities. Must-Have: Proven experience in server and infrastructure installation, management, and maintenance Hands-on experience with Windows Server environments Hands-on experience with Linux / Unix environments Strong knowledge and experience with Active Directory and LDAP Experience in troubleshooting complex issues within Enterprise environments Familiarity with Information Security concepts (Firewalls, Certificates, Secrets, Keys) Strong task and complex project management capabilities High level of personal accountability, proactive mindset, and ability to work both independently and collaboratively Willingness to work outside standard business hours for maintenance or critical issue resolution as needed Significant Advantage: Experience with Identity Management systems (IDM / IAM) Scripting experience in PowerShell Familiarity with IBM Identity products (ISIM, ISAM, WebSEAL) Experience working in cloud environments (AWS, Azure) Strong self-learning abilities