System Administrator

T

System Administrator (Control Systems) – L3

Any Visa,

Can be F2F final round.

Duration: 12 month SOW

Dallas tx

Hybrid - 3 days in office required at our TGM

facility…some travel around DFW metroplex and will need to be able to support

an on-call rotation schedule (not initially, but eventually)

Job

Description

System

Administrator (Control Systems) – L3

This

position requires a resource with at least 8 years of experience in the given

technology areas. The key competencies include subject matter expertise and

system administrator experience with Microsoft Windows OS, VMWare, Linux OS and

Nutanix Technologies. Knowledge around the support of operations technology or

control system environments is preferred. The candidate should also be able to

quickly understand and resolve issues, mitigate risks and analyze

dependencies. Finally, this role must adhere to utility industry

regulatory requirements and best practices, and guidelines to ensure real-time

operation of Oncor’s Control Systems environments remains available 24/7.

Essential

Skills and Competencies:

•

Manage and administer Windows (2012, 2016, 2019, 2022 and 2025) and Linux (RHEL

7.X, 8.X and 9.X) servers

•

Support and manage server virtualization, server provisioning, physical server

maintenance, security compliance and the daily operation of the control system

environments

•

Maintain the physical server lifecycle including provisioning, maintenance, and

decommissioning of the hardware

•

Maintain the virtualized server environment via configuration, implementation,

management and support activities

•

Maintain the Nutanix and VMware VDI environment via configuration,

implementation, management and support activities

•

Maintain security baseline compliance via configuration, implementation, and

remediation activities; report on compliance via routine compliance and audit

tasks

•

Monitor the server infrastructure environment health status, service

performance, and utilization; report on trends and anomalies

•

Implement and maintain continuous compliance to information security policies,

North American Electric Reliability Corporation (NERC) Critical Infrastructure

Protection (CIP), and technical standards; report and provide remediation

around non-compliances

•

Apply regular security patches and software updates using Microsoft SCCM and

Redhat Satellite server

•

Provide tier-3 engineering support as well as business continuity support for

control system infrastructure

•

Collaborates with application, network, security and functional team that

support Control System tools and applications

•

Participates in on call Control System support rotation cycle

Technical

Skill Requirement

•

Core experience in Windows, Active Directory, Nutanix Prism Central, VMware

vSphere and vRealize Suite, vRealize Automation (vRA), vRealize Orchestrator

(vRO), Horizon View administration, and Linux in a global and heterogeneous

environment

•

Good Understanding of Virtualization technology (Nutanix, Hyper-V and VMware)

•

Good hands-on experience in diagnostics and troubleshooting of above-mentioned

technologies and product suites

Good understanding of highly available and disaster recovery environments

Experience in performance tuning of Nutanix, VMware servers and Virtual

sessions and management of server resources for both physical as well as

between virtual machines

Experience and expertise on Active Directory, DNS, DHCP, IIS, ADFS, Group

Policies, and FTP & SFTP

Ability to implement AD infrastructure. Proficient in doing Recovery of AD

Domain Controllers, DNS, WINS, DHCP servers

In-Depth knowledge of Domain Controller replication configurations

Good Exposure to Group Policies creation, their testing and implementation

Should have good knowledge and troubleshooting skills on MS clusters and load

balancing

Strong in file and print server management; knowledge in Windows Security

Excellent in PowerShell scripting and task automation work with measurable

outputs and operational efficiencies

Overall knowledge and understanding of data center environments, physical

hardware placements, racking, cabling, etc.

Good at dealing with hardware and OEM vendors for support and troubleshooting

purpose for hardware break fix and large platform/server upgrades/migration is

required

Good at dealing and coordinating with multiple teams and stakeholders within

the support structure, in order to run daily operations smoothly

Should have expertise in backup products and expertise in protocol suite and

command line utilities

Should have worked with OEM hardware (DELL/HP), and remote connectivity tools

Proficiency in system fault tolerance design, business continuity and disaster

recovery planning

Prior experience working in Operations Technology or Control System

environments is preferred