Senior IT Operations Engineer (R6117)
Dallas · USD 99,000-140,000 / year · Onsite · Posted Sep 26, 2026
At a glance
- Workplace
- Onsite
- Location
- Dallas
- Salary
- USD 99,000-140,000 / year
About the role
- Shield AI is seeking a Senior IT Operations Engineer to build and operate classified infrastructure.
- The role involves deploying and sustaining Windows Server and Red Hat Enterprise Linux systems, virtualization clusters, and enterprise storage in standalone and air-gapped enclaves.
Responsibilities
- Deploy, configure, and sustain Windows Server and Red Hat Enterprise Linux systems, virtualization clusters, enterprise storage, and core infrastructure services in standalone and air-gapped enclaves.
- Build and support VMware, Nutanix AHV/Prism, or similar virtualization environments.
- Support high-density compute for AI/ML, simulation, and engineering workloads, including GPU node provisioning, performance troubleshooting, capacity planning, and coordination with facilities on rack space, power, and cooling.
- Administer and support Active Directory, DNS, DHCP, Group Policy, PKI, certificate services, privileged access, and role-based access for isolated forests with no connection to corporate IT.
- Build and maintain golden images and hardened baselines for servers, workstations, virtual desktops, and supporting infrastructure.
- Manage patching, updates, software packages, and security content in disconnected environments through approved transfer and validation processes.
- Administer backup, recovery, and continuity capabilities, perform scheduled restore testing, and document results and corrective actions.
- Design, configure, and troubleshoot managed switching, VLANs, firewall rules, network segmentation, and approved network connections between facilities.
- Automate provisioning, configuration, patching, reporting, and compliance tasks using PowerShell, Ansible, Python, Terraform, or similar tools.
- Apply and validate DISA STIGs and SRGs using SCAP, STIG Viewer, ACAS/Nessus, scripted remediation, and other approved tools.
Requirements
- Strong hands-on experience with Windows Server, Active Directory, Group Policy, DNS, DHCP, PKI, and enterprise endpoint management.
- Experience administering Red Hat Enterprise Linux or similar enterprise Linux systems.
- Experience with VMware, Nutanix, Hyper-V, or similar enterprise virtualization platforms.
- Experience with enterprise storage, backup/recovery, and capacity planning.
- Experience with managed switching, VLANs, firewall administration, network segmentation, and troubleshooting network connectivity.
- Experience with PowerShell and infrastructure automation.
- Experience applying DISA STIGs, using SCAP/STIG Viewer, supporting ACAS/Nessus findings, and working in RMF, NIST SP 800-53, JSIG, or similarly regulated environments.
- Experience operating in disconnected, air-gapped, classified, or highly controlled environments.
- Ability to document work clearly, follow change control, validate results, and build systems that are easy for others to support.
- Ability to work independently in a fast-moving environment, shift between infrastructure disciplines when needed, and make sound technical decisions without requiring detailed direction.
Preferred qualifications
- Nutanix experience is preferred
- Experience with Ansible, Python, Terraform, or similar tools is a plus
Benefits
- Bonus
- Benefits
- Equity
Skills
- Windows Server
- Red Hat Enterprise Linux
- VMware
- Nutanix AHV
- Active Directory
- DNS
- DHCP
- PowerShell
- Ansible
- Python
- Terraform
- ACAS
Show all 14 skills
- Nessus
- SCAP
