Ladder Logic

Ladder Logic Engineer Jobs

4 jobs found

1mo ago

Senior Controls Software Engineer

NOMAD Transportable Power Systems Waterbury, VT

Waterbury, VT

1mo ago Closed

$110k - $150k/yr Full time Electrical Engineering Senior .NET

This position is no longer accepting applications (closed Jul 10, 2026).

Job Description

NOMAD Transportable Power Systems seeks a Senior Controls Software Engineer to lead controls engineering for its mobile battery energy storage products. The role will begin with directing the controls team and expand into broader responsibilities as the organization grows. This on-site position is based in Waterbury, VT, with 10-20% travel and occasional outdoor work.

Responsibilities

Work with customers and stakeholders in Engineering and Product Management to develop a deep understanding of product requirements.
Develop control system software in C#.NET for Linux-based systems (or a similar language).
Support and troubleshoot PLC control systems written in Ladder, Function Block, and Structured Text.
Migrate control algorithms from PLC languages to C#.NET (or equivalent language).
Collaborate with the Quality Manager and within the Quality Management System to develop and follow processes that ensure efficient product development, high quality products, efficient manufacturing, and standards compliance.
Work with team members to select control system related devices to meet product requirements.
Develop processes and systems for managing software and device configuration, then ensure compliance with those processes.
Collaborate with other engineering disciplines to design and implement mobile battery energy storage products.
Ensure the control systems meet product requirements including network cyber security and safety systems.
Perform failure mode and effects analyses (FMEA) with other engineering disciplines and ensure the control system design implements the required mitigations.
Develop processes, work instructions, and production jigs for device configuration to be carried out in production.
Collaborate to develop test plans such as factory acceptance and on-site acceptance tests, and carry out those plans as needed.
Support the Fleet Management team to troubleshoot issues as second-line support.
Adhere to quality and safety standards and carry out tasks as assigned by the Engineering department leader.

Requirements

Excellent communication skills, both written and verbal, including active listening and the ability to write technical documents such as test plans and reports using MS Word or equivalent.
Ability to advocate for design choices, negotiate with team members, and collaborate effectively to advance solutions.
Control system design for three-phase converter-based power systems; familiarity with sensor circuits and networks including Ethernet, serial, and CAN; understanding of control algorithms and power converter operation.
Data acquisition and analysis experience; work with existing data acquisition systems or design new ones; consider signal selection, storage options, bandwidth, and cyber security; analyze large data sets using Python, Matlab, and/or MS Excel.
Intermediate or higher level C#.NET development, ideally for Linux systems; understanding and application of SOLID principles; experience with Git and GitHub for feature branching, pull requests, and code reviews; development of unit testing, integration testing, and simulation.
Ability to understand, troubleshoot, and modify PLC programs in Ladder, Function Block, and Structured Text.
HMI design and development with a focus on user experience and intuitive information organization.
Control system network design knowledge; understanding cybersecurity best practices for control systems, including remote access.
Experience in multi-discipline team design of products or projects; ability to work with electrical and mechanical engineering to meet customer requirements.
Ability to read technical documentation and learn new systems and devices effectively.
Education: Bachelor’s degree in a STEM field, or an associate’s degree with significant relevant experience.

Technologies

C#.NET
Linux
Ladder
Function Block
Structured Text
Ethernet
Serial
CAN
Python
Matlab
MS Excel
MS Word
Git
GitHub
Modbus

Benefits

401(k)
Dental insurance
Health insurance
Paid parental leave
Stock options

Physical Requirements

Ability to communicate orally with customers, vendors, and co-workers.
Hearing and vision within normal ranges, with or without corrective lenses or an assisted hearing device.
Good manual dexterity for occasional wiring, assembly, and device installation.
Occasional lifting up to 25 lbs of force may be required.
Travel with fieldwork which can include hiking, construction tasks, moving heavy objects, and wearing PPE for specific tasks.

Compensation

Salary range: $110,000 - $150,000 per year. The final offer will reflect skills, experience, and overall fit.

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1mo ago

Mid-Level or Senior Controls System Engineer

Electric Power Systems Inc Olympia, WA

Olympia, WA

1mo ago Closed

$80k - $180k/yr Full time Electrical Engineering Senior Allen-Bradley

This position is no longer accepting applications (closed Jul 4, 2026).

Job Description

Electric Power Systems Inc seeks a Mid-Level or Senior Controls System Engineer to design, specify, and implement industrial control systems, including PLC and HMI development, with field commissioning and client-relations responsibilities. This onsite role is based in Olympia, WA or Vancouver, WA, and does not support remote work.

Location and Compensation

Locations: Olympia, WA or Vancouver, WA (onsite)

Compensation: USD 80,000 - 180,000 per year

Responsibilities

Design, specify, and implement industrial control systems using PLC and HMI software.
Lead field commissioning, construction inspection, quality control, and coordinate with engineers and electricians throughout the design and implementation process.
Operate in field conditions to troubleshoot and perform corrective actions as needed.
Experience defining project budgets and schedules and monitoring progress against plans is highly desirable.
Develop and maintain strong client relationships as part of project execution.

Requirements

3+ years of experience in automated control system integration (required)
Setup and maintain industrial communication protocols including OPC, Modbus TCP/RTU, DNP3.0, PROFINET, Ethernet/IP, and DeviceNet (required)
Experience with Windows PC Operating Systems, Windows Server Operating Systems, and virtual machines (VMs) (required)
Knowledge of networking and firewall/router configuration (required)
10+ years of experience in automated control system integration (required)
Experience with Inductive Automation Ignition (required)
Experience with SCADA historian and database setup, configuration, and related database control aspects in industrial applications (required)

Technologies

Ladder Logic
Rockwell/Allen-Bradley
GE/Emerson
Siemens
Schneider Electric
Modicon
Inductive Automation Ignition
SEL RTAC
OPC
Modbus TCP/RTU
DNP3.0
PROFINET
Ethernet/IP
DeviceNet
Windows PC Operating Systems
Windows Server Operating Systems
VMs
SCADA software
HMI software

Benefits

Medical, Vision, and Dental Insurance
Life Insurance
Long Term Disability
401(k) Plan
Employee Assistance Program
Health Club Membership
Paid Vacation and Paid Holidays
Option for additional supplemental insurance

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2mo ago

Power Systems Electrical Engineer

Qualdoc Richmond, VA

Richmond, VA

2mo ago Closed

$90k+/yr Full time Electrical Engineering AutoCAD AutoCAD Electrical

This position is no longer accepting applications (closed Jun 8, 2026).

Job Description

Qualdoc is seeking a hands-on Power Systems Electrical Engineer to design, develop, and implement electrical systems used in power distribution and control applications. This onsite role in Henrico County, VA collaborates with engineering, production, and project teams to bring concepts from idea to completion, with a compensation target of USD 90,000 per year.

Position Summary

An established industrial organization is hiring a Power Systems Electrical Engineer to support the design, development, and implementation of electrical systems used in power distribution and control applications. This is a hands-on role that works closely with engineering, production, and project teams to bring concepts through to completion.

Responsibilities

Create and develop electrical system designs for control and power distribution applications
Produce schematics, technical documentation, and bills of materials
Contribute to new product initiatives and enhance existing electrical systems
Ensure designs meet applicable codes, standards, and compliance requirements
Provide technical support to manufacturing and operations teams
Partner with cross-functional teams throughout design, build, and production phases
Track progress and participate in project coordination efforts

Requirements

Bachelor’s degree in Electrical Engineering
5 to 7+ years of experience in electrical engineering roles
Strong understanding of industrial power systems including 3-phase and 480V configurations (Delta and Wye)
Experience with circuit protection, including breaker sizing and motor protection
Hands-on experience with Siemens PLC platforms (S7, TIA Portal, Step 7, ladder logic)
Knowledge of control systems, including relay logic and digital/analog I/O
Proficiency using AutoCAD Electrical in a practical setting
Strong analytical, troubleshooting, and communication skills
Must be a U.S. citizen and eligible to obtain a security clearance

Technologies

Siemens S7 PLC
TIA Portal
Step 7
Ladder logic
AutoCAD Electrical

Preferred Experience

Background working with power distribution or infrastructure systems
Exposure to electromechanical system integration
Experience with control panel design and layout
Familiarity with power electronics such as inverters or rectifiers
Experience supporting production or manufacturing environments

Ideal Candidate

Hands-on engineer who enjoys both design work and field or floor involvement
Able to work independently while also collaborating with cross-functional teams
Comfortable interacting with engineers, technicians, and operations staff
Driven to support long-term projects and continuous improvement efforts

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3mo ago

Electrical Engineer II

Aequor Technologies Vacaville, CA

Vacaville, CA

3mo ago Closed

$58+/hr Contract Electrical Engineering AutoCAD Automation

This position is no longer accepting applications (closed May 17, 2026).

Job Description

Aequor Technologies is seeking an Electrical Engineer II to join the Utilities team at the Vacaville, CA site. This onsite contract position focuses on electrical design, project management, and technical leadership across a 24/7 manufacturing facility. The six-month engagement, paid at $58.00 per hour, offers the opportunity to influence electrical designs, support field implementations, and drive energy conservation initiatives within a regulated industrial environment. The role is based at Vacaville, CA 95688.

Position Details

Location: Vacaville, CA 95688 (onsite)
Employment type: Contract
Duration: 6 months
Pay: $58.00 per hour
Education: Bachelor of Science in Electrical Engineering (BSEE)

Responsibilities

Perform detailed designs for small to mid-scale projects, including drawing mark-ups, load calculations, coordination studies, short circuit calculations, voltage drop calculations, equipment specifications, and ensure compliance with company standards and applicable codes.
Lead design reviews for large projects to confirm system compatibility, conformance, and constructability.
Provide field inspection and support for electrical, security, fire alarm, data/telecom, and instrument/control installations.
Review electrical power, security, fire alarm, and instrument/control drawings for accuracy and compliance.
Identify, scope, and manage energy conservation projects.
Troubleshoot power quality problems in support of the maintenance group and JLL.
Lead project engineering and management for electrical projects and select non-electrical work as needed.
Provide technical support for the maintenance group on electrical related operational issues.
Serve as a Subject Matter Expert on utility bottlenecks and corrective action solutions.
Provide technical support for SHE on permit applications.
Review and approve changes to Vacaville electrical drawings and related documentation.
Review and approve Change Records impacting validated electrical systems.
Not required but preferred.

Requirements

Bachelor of Science in Electrical Engineering (BSEE).
Electrical engineering: 3 years (Required)
Electrical design: 3 years (Required)
Electrical wiring: 3 years (Required)
Electrical systems: 3 years (Required)
Electrical troubleshooting: 3 years (Required)
Location: Vacaville, CA 95688 (Required)

Technologies

Ladder logic

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Ladder Logic Engineer Jobs

Senior Controls Software Engineer

Mid-Level or Senior Controls System Engineer

Power Systems Electrical Engineer

Electrical Engineer II

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