Overview
On Site
$100,000 - $140,000
Full Time
No Travel Required
Skills
Active Directory
Backup Administration
Bash
CentOS
Cloud Computing
Computer Networking
Configuration Management
DHCP
DNS
DRS
DS
DSC
High Availability
Hyper-V
Hypervisor
Kubernetes
Linux
Microsoft Operating Systems
Microsoft Windows
Network
Nagios
PuTTY
Python
Recovery
Red Hat Enterprise Linux
Remote Desktop Services
Scripting
Secure Shell
Server+
Servers
System Administration
Ubuntu
VCP
VLAN
Virtual Machines
Virtual Private Network
Virtualization
Windows PowerShell
Job Details
System Administrator
Job Description
Location: Houston, TX
Type: Full-Time
Department: IT Infrastructure & Operations
Reports to: Systems Manager / IT Director
The Role
We re seeking a System Administrator who keeps the lights on and the servers humming for hundreds of users across on-prem, cloud, and hybrid environments. You ll manage Windows/Linux fleets, virtualization, backups, identity, and automation, ensuring 99.99% uptime, rapid recovery, and zero surprises. If you live in PowerShell, love patching at 2 a.m., and treat root access like a superpower, this is your domain.
What You ll Do
Core Responsibilities
- Deploy and maintain physical/virtual servers (Windows Server, RHEL, Ubuntu, CentOS).
- Manage Active Directory / Entra ID: GPOs, OU design, user provisioning, MFA, RBAC.
- Own virtualization: VMware vSphere/ESXi, Hyper-V, or Proxmox clusters, vMotion, HA/DRS.
- Automate everything: PowerShell, Bash, Ansible, Python scripts for config, patching, monitoring.
- Handle backup & DR: Veeam, Rubrik, ZFS snapshots, offsite replication, RTO/RPO testing.
- Monitor & alert: PRTG, Zabbix, Nagios, Windows Event Logs, syslog, Grafana dashboards.
- Secure the stack: CIS benchmarks, STIGs, patch management (WSUS, Landscape), firewall rules.
- Support end-users: Tier 2/3 tickets, imaging, SCCM/Intune, printer queues, VPN.
- Document like it s audited: Runbooks, asset inventory, change logs, network diagrams.
- Participate in on-call rotation and incident response.
What You Bring
Must-Have
- 4+ years in systems administration (Windows + Linux).
- Deep Windows Server: 2016 2022, AD DS, DNS, DHCP, DFS, RDS, IIS.
- Linux fluency: RHEL/Ubuntu, SSH, systemd, LVM, iptables/nftables.
- Virtualization expertise: VMware vSphere (vCenter, ESXi) or Hyper-V.
- Scripting: PowerShell (modules, DSC) + Bash/Python.
- Networking basics: VLANs, subnetting, TCP/UDP, packet traces.
- Backup & recovery: Hands-on restore testing experience.
- ITIL-minded: Change management, incident logging, root cause reports.
Nice-to-Have
- Cloud admin: AWS EC2, Azure VMs, Google Cloud Platform Compute.
- Containers: Docker, Podman, basic Kubernetes admin.
- Configuration management: Ansible, Puppet, or SaltStack.
- Monitoring: Prometheus, ELK/EFK, Telegraf.
- Certifications: MCSE, RHCSA, VCP-DCV, CompTIA Server+.
- Experience in regulated environments (PCI, HIPAA, SOX).
Tech Stack
- OS: Windows Server 2022, RHEL 9, Ubuntu 22.04
- Hypervisor: VMware vSphere 8, Hyper-V
- Identity: Active Directory, Azure AD Connect, Okta
- Backup: Veeam B&R, Commvault, ZFS
- Automation: Ansible, PowerShell DSC, Python
- Monitoring: PRTG, Zabbix, Grafana, Windows Admin Center
- Ticketing: ServiceNow, Jira Service Management
- Tools: RDP, SSH, WinSCP, Putty, Wireshark
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