System Administrator (oniste
Contract to Hire
No C2C/No 3rd Parties
Job Summary We are seeking an experienced System Administrator to join our IT infrastructure team. This role will focus on upgrading and maintaining our hypervisor and server environment, ensuring a smooth transition to updated systems while working closely with application teams for compatibility testing. The ideal candidate will have hands-on experience with Windows Server upgrades, virtualization technologies, storage solutions, and enterprise application updates. Key responsibilities include planning, testing, and executing upgrades of Windows Servers to Windows Server 2019 while ensuring application compatibility, upgrading domain controllers to align with security and functionality requirements, performing SAN and NAS storage updates, overseeing the Exchange Server upgrade, implementing updates for the Mitel server and other critical project-related servers, and upgrading approximately 30 servers, including project, file, and application servers. The candidate will also execute backup server updates to maintain system resilience and disaster recovery integrity. Virtualization and cloud migration responsibilities include upgrading vCenter from 7.0.3 to 8.0, ensuring seamless integration with virtualized workloads, upgrading all VMs to maintain compatibility, and assisting with the migration of Workspace ONE to the cloud, starting with Android tablets and later transitioning to iOS tablets in collaboration with the vendor. Additional responsibilities involve providing technical support and troubleshooting server and hypervisor-related issues, working collaboratively with internal teams and vendors for successful deployments, maintaining system documentation such as upgrade procedures and troubleshooting guides, and handling other IT-related tasks and projects as needed.
Qualifications & Experience - 5+ years of experience in system administration, infrastructure upgrades, and virtualization.
- Strong expertise in Windows Server (2016/2019) administration and upgrades.
- Experience with Active Directory, Group Policy, and Domain Controller upgrades.
- Hands-on experience with VMware vCenter (7.0.3 to 8.0) and virtual machine management.
- Familiarity with SAN/NAS storage upgrades and configuration.
- Experience with Exchange Server upgrades and maintenance.
- Knowledge of backup solutions and disaster recovery best practices.
- Experience with Mitel server administration and updates (preferred).
- Familiarity with Workspace ONE and cloud migrations is a plus.
Skills & Competencies - Strong problem-solving and troubleshooting skills.
- Ability to plan, document, and execute system upgrades effectively.
- Excellent communication and collaboration skills to work with application teams and vendors.
- Ability to work independently and manage multiple priorities in a fast-paced environment.
- Strong attention to detail and a commitment to system security and best practices.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.