Sr. Instrumentation & Controls Engineer

MS Technology, Inc. is seeking a Sr. Instrumentation & Controls (I&C) Engineer to support our clients in Oak Ridge, TN.

The Sr. I&C Engineer will be responsible for supporting the instrumentation and controls (I&C) through detailed design, build and testing of the I&C according to the design requirements.

• I&C design for process systems (controls, instrumentation, data collection, electro‑mechanical, automation & robotics, connectivity).
• Work with system and mechanical engineers, designers, and analysts on development of detailed design.
• Support mechanical engineers in developing process flow diagrams and piping and instrumentation diagrams.
• Interface with architectural and engineering firms, as needed, to support development/implementation of I&C system(s).
• Functional requirement and procurement specifications for instrumentation and control systems.
• Process instrumentation design, specification, and procurement oversight.
• Control systems for pumps, valves, heat exchangers, etc.
• Develop control logic narratives, control logic diagrams, and control logic schematic diagrams.
• Develop panel wiring and interconnect cabling diagrams.
• Create or oversee the development of human machine interface (HMI) screens.
• Develop specifications for programmable logic control (PLC) or distributed control systems (DCS) and components and instrumentation.
• Develop control logic code and implementation on PLCs/DCS.
• Author I&C system hardware descriptions including requirements, functional specifications, and I&C system architecture descriptions.
• Develop troubleshooting plans and failure mode analysis documents to support design reviews.
• Author factory acceptance test procedures.
• Write guidance for instrument checking, calibration, and testing.
• Develop instrument check, calibration, and testing program.
• Participate in system process hazards analysis.
• Directly interface with other work groups (e.g., system engineering, operations, maintenance, radiation protection, cyber security).
• Assist relevant teams in resolving I&C design issues.
• Lead reviews and presentations for internal company design reviews and customer design reviews regarding I&C design.
• Prepare and review design change packages and design calculations.
• Perform other duties as assigned by manager.

• Bachelor’s degree in engineering from an ABET accredited college or university program; MSc is preferred.
• 8+ years of expertise in instrumentation and control system development.
• Experience working with nuclear instrumentation and control systems is preferred.
• U.S. citizenship required.
• Ability to obtain and maintain U.S. security clearance is preferred.

• Ability to work both independently and as part of a team.
• Ability to deal with conflicts and stressful situations.
• Proficiency in Microsoft Office Word, Excel, PowerPoint, SharePoint, and TEAMS.

All eligible employees enjoy an excellent benefits package, including medical/dental/vision insurance, short‑term and long‑term disability, life insurance, 401(k), paid time off including holidays, and tuition reimbursement.

MSTI is an equal‑opportunity employer. All qualified candidates, including individuals with disabilities and protected veterans, are encouraged to apply. MSTI is an E‑Verify employer. If you have difficulty using the online application system or need an accommodation to apply due to a disability, please email: