Operational Technology (OT) Application Administrator

Illumination Works LLC• US,

2d•Onsite

About The Position

Illumination Works is looking for an OT Application Administrator to be responsible for the administration, support, maintenance, and optimization of applications used in operational and industrial environments. The role ensures OT applications operate reliably, securely, and efficiently while integrating with enterprise IT systems. The administrator collaborates with engineering, operations, cybersecurity, and IT teams to maintain system availability and improve operational performance.

Requirements

3+ years of experience supporting industrial or operational applications
Experience with OT platforms such as SCADA systems, Manufacturing Execution Systems (MES), Industrial IoT platforms
Experience with OT or industrial control environments
Familiarity with industrial communication protocols (OPC, Modbus, MQTT)
Experience with cybersecurity practices for OT environments
Working knowledge of Windows/Linux system administration in operational environments
Experience with scripting or automation (Python, PowerShell)
Experience with databases (SQL Server, Oracle, PostgreSQL, etc.)
Application troubleshooting and performance tuning
Industrial systems knowledge
Strong analytical and problem-solving skills
Ability to work independently and collaboratively in cross-functional teams
Excellent communication skills, both verbal and written
Understanding of OT/IT convergence
Must have or be willing to obtain Secret Clearance (this requires US citizenship)
Acceptable candidates must successfully pass a drug test and background screen

Nice To Haves

We value passion, curiosity, and perseverance with an ability to communicate ideas and results to diverse audiences.
We look for people who thrive in collaborative and independent assignments, have the aptitude to learn new data quickly, and who are willing to mentor junior team members.

Responsibilities

Support integration between OT systems and enterprise platforms including MES (Manufacturing Execution Systems), SCADA systems, ERP systems, and data analytics platforms within government-operated facilities
Install, configure, maintain, and upgrade OT applications and supporting components
Configure APIs, data interfaces, and middleware connections
Manage application performance, availability, and reliability
Troubleshoot issues related to application functionality, data flow, and system performance
Implement cybersecurity best practices for OT environments
Ensure systems comply with internal policies and industry standards
Maintain data integrity across OT platforms
Collaborate with engineers, operators, and IT staff on system improvements