Controls & Instrumentation Engineer

Invariant Corporation

Huntsville, ALABAMA

JOB DETAILS
SKILLS
Acceptance Testing, AutoCAD, Automation, Commissioning, Communication Skills, Component Selection, Control Engineering, Control Systems, D Programming Language, Database Design, Documentation, Electrical Design, Electrical Engineering, Electrical Wiring, Electricity, Electromechanical Engineering, Electromechanical Systems, Identify Issues, Instrumentation, Instrumentation Engineering, Integration Testing, Ladder Logic, Motor Control Systems, Operational Support, People Management, Production Systems, Programmable Logic Controller (PLC), Prototyping, Python Programming/Scripting Language, Quality Control, Research & Development (R&D), SQL (Structured Query Language), SQL Databases, Schematics, Scripting (Scripting Languages), SolidWorks, Test Automation, Testing, United States Department of Defense (DoD)
LOCATION
Huntsville, ALABAMA
POSTED
9 days ago

Controls & Instrumentation Engineer

26-040

 

Invariant Corporation is seeking a fulltime Controls & Instrumentation Engineer to support design, integration, testing, and automation efforts across customer and internal R&D programs. This role will lead electrical controls activities, panel design, instrumentation integration, and systemlevel troubleshooting on prototype and production equipment.

 

Duties Include:

  • Design and update electrical schematics and wiring diagrams in compliance with UL508A and internal standards.
  • Design and build control panels, including component selection, layout, wiring, and quality inspection.
  • Program, configure, and troubleshoot PLCbased control systems (Siemens preferred).
  • Integrate sensors, instrumentation, and automation hardware for prototype and production systems.
    Support Factory Acceptance Testing (FAT), system commissioning, and customer evaluations.
  • Develop control logic flow diagrams, P&IDbased control narratives, and system block diagrams.
  • Implement automation for data parsing, validation, and management using Python and SQL.
  • Assist in networking tasks including Layer2/Layer3 diagrams and system interface planning.
  • Prepare documentation, work instructions, troubleshooting notes, test reports, and asbuilt drawings.

 

Minimum Requirements:

  • BS in Electromechanical Engineering, Electrical Engineering, or a related discipline.
  • 1–2 years of experience in controls engineering, instrumentation, or electrical systems design
  • Experience with AutoCAD Electrical, SolidWorks/Fusion 360, and PLC ladder logic (Siemens 1500 preferred).
  • Working knowledge of sensors, instrumentation, motor controls, and panel wiring.
  • Ability to read and interpret electrical schematics, P&IDs, and control narratives.
  • Handson experience building and testing electromechanical systems.

 

Preferred Qualifications:

  • Experience with OPCUA, Raspberry Pi/Arduino, automation scripting (Python), SQL database design.
  • Experience supporting DoD/DoE, CUI, or controlled facility environments.
  • Experience planning and executing FAT and integration test events.
  • Exposure to electrical/panel work is beneficial but not required.

 

Requires ability to:

  • Work well in a small, fast-paced and mission-driven environment with co-workers, management, and client.
  • Demonstrate innovation, quick learning, excellent communication skills and adaptive thinking.
  • Work independently with minimal supervision, making rational decisions, and exercising good judgment is essential.

Work Environment 

  • Office, Lab, and field environment.  

Attendance 

  • Normal workdays are from 7:30 a.m. through 4:30 p.m. Central Time, Monday through Friday. Alternate work schedule can be negotiated.
  • Support will be provided as needed during this time frame, but small efforts may be made at any time to support operations.

 

 

Invariant Corporation is an Equal Opportunity Employer. All qualified applicants will be considered without regard to race, color, religion, sex, national origin, disability, or veteran status.

Invariant is a drug-free workplace.

About the Company

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Invariant Corporation