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Senior Controls Engineer - PLC

TAE Technologies

Lake Forest, CA · $115k–$150k a year · Posted October 24, 2026

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About the job

About the Role

To design, engineer and implement Programmable Logic Controller (PLC) systems associated with building, cooling, electrical, vacuum and safety systems.

PLC Controller programming using advanced techniques and HMI interfaces

Production, installation and commissioning of PLC systems

Integrated commissioning of the PLC systems

Documentation, operation and enhancement of PLC systems

Supporting physics operations for experimental systems and test beds

About You

Work with other Engineers and Scientists to produce requirements for PLC based control systems

Detailed design and specification of hardware, distributed IO and Infrastructure components

Detailed design of PLC software using structured programming, aliasing and UDTs

Design of Human Machine Interfaces (HMI)

Liaison with outside vendors and suppliers of PLC control systems

Education and/or Certification:

Required: B.S. Electrical Engineering, Mechanical Engineering or Computer Science

Preferred: Allen-Bradley Course Certification

Required Job Knowledge, Skills, and Abilities:

Allen-Bradley Logix range of controllers

Distributed IO using FlexIO or similar over EtherNet/IP

Interfacing with EtherNet/IP or Profibus systems

Safety systems, planning, documentation and implementation

Commissioning of network infrastructures

At least 3+ years’ experience with PLC programming and large distributed control systems gained in an industrial or scientific environment

Evaluation and documentation of equipment permit, interlock and sequence logic

Experienced in the operation and enhancement of industrial or scientific control systems

Interfacing with or design of scientific instruments or systems

Software Knowledge and Skills:

Allen-Bradley Logix range of PLC controllers, programming in all four languages (LD, FBD, SFC, ST)

Structured approach to software development and documentation

FactoryTalk View SE, HMI development, alarms and events, trending

Modern HMI and alarm design philosophies following ISA-101 best practices

Source code control using GitLab, SVN etc.

Knowledge of Ignition HMI systems is preferred

Networking using Ethernet, EtherNet/IP, other industrial protocols

Ability to work independently as well as a member of a team

Excellent communication skills with teams using Intranet based systems (e.g. Atlassian, Redmine etc.)

Ability to analyze faults and to accurately document symptoms and solutions

Interest in large science or R&D projects

Nice to Have

Experience with integration of software and hardware in a high voltage or high current environment with due consideration of safety and EMI factors

Experience of InfluxDB and Grafana would be useful

Experience with software programming and commissioning of safety systems

At TAE Technologies, we consider a wide range of factors when making compensation decisions including but not limited to skill sets; experience and job-related knowledge, training; licenses and certifications, and other business and organizational needs. The total compensation package for this position may also include other elements depending on the position offered (non-Sr., Sr., Lead or Manager). The compensation range for these roles are $115,000 - $150,000.

Applicants must be authorized to work for ANY employer in the U.S. We are unable to sponsor or take over sponsorship of an employment Visa at this time.

About Us

Imagination, skill, and will

We are a diverse team of over 500 engineers, scientists, professionals, Maxwell Prize winners, and big thinkers from more than 40 countries with a track record of delivering on the innovative ways science can lead humanity into a brighter era. We are not afraid to envision a future where fusion and science can transform our world.

What you’ll get with us

Generous benefits such as Medical, Dental, Vision, 401 (K) with company match, paid vacation + sick time, companywide December holiday, wellness program, parental leave

Payment rewards: For referring talent, novel research, and patents

A collaborative environment: An organization where talents and interests can plug in to different groups throughout the organization

Potential for equity participation

HQ in Southern California

Employee events on and off-site

A commitment to upholding and growing an inclusive organization

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TAE Technologies is an Equal Opportunity Employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.

We ensure all individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, perform essential job functions, and receive other benefits and privileges of employment. Please contact us recruiting@tae.com to request accommodations or request more information.

Note to Agencies: TAE prefers to hire directly and maintains an existing preferred supplier list. We do not accept speculative CVs or referrals from agencies. If speculative CVs are sent, no fee will be applicable.