Senior Control Systems Administrator #3419

Genius Road, LLC; Dallas (TX); Hybrid; USD 120,000 - 170,000; Full time

Job summary

Genius Road, LLC is seeking a Senior Control Systems Administrator to support mission-critical OT environments in Dallas. The role emphasizes system administration, maintenance, troubleshooting, security compliance, and infrastructure reliability in a 24/7 setting.

The ideal candidate has 8+ years in control systems and IT, with Windows/Linux, virtualization, and CIP security experience. Local candidates only; travel within the DFW area may be required.

Qualifications

• 8+ years in system administration, OT or control systems environments.
• Hands-on OT/infrastructure support with Windows/Linux and virtualization.
• Experience with patching, upgrades, configuration management and security remediation.
• Familiarity with CIP/NERC standards and security compliance.
• Ability to troubleshoot complex issues and support 24/7 operations.

Responsibilities

• Administer control system applications, servers, and supporting infrastructure.
• Coordinate upgrades, patches, configuration changes and maintenance windows.
• Develop test plans for system updates prior to production.
• Assess risks, dependencies, and communicate findings to stakeholders.
• Provide Tier 3 support and coordinate with vendors for resolutions.
• Support disaster recovery, business continuity, and on-call rotation.

Skills

Python

PowerShell

Bash/Shell

JSON

XML

Git

CALC development

SSL/TLS

NERC CIP

VMware

Hyper-V

Nutanix

Active Directory

On-call rotation

Tools

VMware

Hyper-V

Nutanix

Active Directory

Networking

Job description

Senior Control Systems Administrator #3419

• Information Technology

Senior Control Systems Administrator

Contract Length: 12-18+ months

Location: Dallas, Texas (hybrid – 3 days onsite) ****LOCAL CANDIDATES ONLY****

*some travel around DFW area may be required

We are seeking a Senior Control Systems Administrator to support mission-critical Operational Technology (OT) and Control System environments. This role focuses on system administration, application maintenance, troubleshooting, security compliance, and infrastructure reliability in a highly available, 24/7 operational environment.

The ideal candidate has 8+ years of experience supporting control systems and underlying infrastructure, with expertise in Windows and Linux administration, virtualization, security, and disaster recovery. This individual is proactive, skilled at troubleshooting complex issues and managing risk, and effective at collaborating across teams to maintain secure, reliable, and highly available environments. Experience in utility or industrial control systems is preferred.

Requirements

• 8+ years of experience in system administration, Control Systems, or Operational Technology environments
• Hands-on experience supporting OT or control system applications and infrastructure
• Knowledge of Windows Server and Workstation, Linux/Red Hat Enterprise Linux, Active Directory, and data networking
• Experience with virtualization platforms such as VMware, Hyper-V, or Nutanix
• Understanding of utility communication protocols, including ICCP, DNP3, and OPC
• Experience with system patching, upgrades, configuration management, troubleshooting, and security remediation
• Knowledge of NERC Critical Infrastructure Protection (CIP) standards and security compliance practices
• Experience supporting highly available systems, fault tolerance, business continuity, and disaster recovery
• Ability to configure and troubleshoot SSL/TLS encrypted communications between applications and external systems
• Scripting skills in Python, PowerShell, Bash/Shell, and batch, with familiarity in JSON, XML, Git, and CALC development
• Understanding of data center infrastructure, server hardware, backups, and remote connectivity tools
• Strong vendor management, problem-solving, and cross-functional collaboration skills
• Ability to participate in an on-call support rotation

Duties

• Administer and maintain control system applications, servers, and supporting infrastructure
• Coordinate application upgrades, patches, configuration changes, and system maintenance
• Develop and execute test plans for system updates before production implementation
• Assess change impacts, identify dependencies and risks, and communicate findings to stakeholders
• Coordinate maintenance windows and outages to minimize operational disruption
• Monitor system health, performance, capacity, and security compliance while addressing anomalies
• Maintain compliance with applicable cybersecurity policies, regulatory requirements, and NERC CIP standards
• Provide Tier 3 technical support, troubleshoot complex issues, and coordinate resolution with vendors
• Support system recovery, business continuity, fault tolerance, and disaster recovery activities
• Collaborate with infrastructure, network, cybersecurity, application, and operations teams
• Maintain technical documentation, support tickets, compliance reports, and remediation records
• Contribute to reliable 24/7 operations through proactive maintenance and on-call support

Genius Road, LLC is proud to be a Certified Women’s Business Enterprise, an Equal Opportunity Employer and values diversity. All employment is decided on the basis of qualifications, merit and business need.