IT SYSTEM ADMINISTRATOR - CB & VR - FULL TIME - DAY SHIFT
Mesquite Entertainment · Mesquite, NV · 1 mo ago
Information TechnologyFull-time
Job Summary
The System Administrator is responsible for a diverse, mission-critical infrastructure spanning virtualized environments, midrange systems, and multi-platform server estates. The System Administrator is hands-on technical depth, a methodical troubleshooting mindset, and the ability to work independently in a fast-paced 24/7 operational environment. This administrator is responsible for the day-to-day administration, monitoring, maintenance, and continuous improvement of our server, virtualization, and disaster recovery infrastructure.
Job Qualifications
- 5+ years of progressive experience in a System Administrator or equivalent infrastructure role.
- Demonstrated production experience administering VMware vSphere/ESXi and vCenter.
- Hands-on experience administering IBM iSeries / IBM i (AS/400 lineage) in a production environment.
- Strong Windows Server administration skills, including Active Directory and core infrastructure services.
- Solid Linux administration skills (CLI fluency, scripting, service management, troubleshooting).
- Demonstrated ownership of, or significant participation in, Disaster Recovery planning, testing, and execution.
- Strong software troubleshooting ability and ability to isolate complex issues across multiple layers (OS, network, application, storage).
- Solid networking fundamentals (TCP/IP, DNS, DHCP, VLANs, routing, firewalls).
- Ability to work occasionally after-hours, on-call support.
- Casino experience preferred but not required.
Essential Job Functions
- Administer, monitor, and maintain VMware vSphere/ESXi environments, including host management, vCenter operations, resource allocation, snapshot/backup integration, and patching.
- Participate in capacity planning, performance tuning, and lifecycle management of virtualized workloads.
- Administer IBM iSeries (Power Systems / IBM i) PaaS systems, including user/library management, subsystem and job queue administration, journaling, and PTF/firmware maintenance.
- Administer Windows Server environments (Active Directory, Group Policy, DNS, DHCP, file/print, RDS, certificate services, patching, server migrations and upgrades).
- SAN/NAS storage administration experience (iSCSI, NFS, SMB, fibre channel).
- Perform OS hardening, vulnerability remediation, and routine patching across both platforms.
- Own and continuously improve the Disaster Recovery program runbooks, recovery time/point objectives (RTO/RPO), replication, failover, and documented restore procedures.
- Produce and maintain clear, accurate technical documentation: architecture diagrams, runbooks, change records, and recovery procedures.
- Contribute to knowledge transfer and cross-training within the team.
Customer Service Expectations
- Strong written and verbal communication; able to translate technical concepts for non-technical stakeholders.
- Self-directed and organized, capable of owning projects from scoping through closeout.
- Calm under pressure during outages and incidents; comfortable making decisions with incomplete information and documenting them clearly.
- Strong sense of operational discipline: change control, documentation, and least-privilege thinking are second nature.
- Curious and continuously learning, this environment evolves quickly.
Physical Demands
- The work is active. Occasional lifting of equipment (up to 50 lbs) for rack/server work.
- There will be walking; standing; bending; carrying midweight items such as network switches, switch parts, servers, driving an automobile, etc.
- Work Environment
- The work area is adequately lit, heated, and ventilated.