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Acuity

Accounting services from bookkeeping to CFOs

Principal PLC Solutions Engineer

Full-TimeUpdated on 10/23/2026
No salary listed
Senior
Bachelor's
Brossard, QC, Canada
In PersonInternational travel required as needed; estimated travel is 10%–15%.
Electrical EngineeringControls & Automation Engineering

About the job

Requirements
  • A bachelor's degree in electrical engineering, computer engineering, automation engineering, computer science, or equivalent experience is required.
  • At least 7 years of experience in PLC programming, industrial automation, controls engineering, or systems integration is required.
  • Strong experience with PLC platforms and industrial control systems is required.
  • Advanced experience with CODESYS and IEC 61131-3 programming methodologies is required.
  • Experience developing reusable software components, application libraries, or standardized control applications is required.
  • Experience with industrial communication protocols such as Modbus, EtherCAT, MQTT, Sparkplug B, OPC UA, BACnet/IP, and related technologies is required.
  • Experience integrating PLC, SCADA, BMS, DCIM, cloud, or enterprise systems is required.
  • Experience designing, deploying, or supporting Ignition or Ignition Edge solutions is required.
  • A good understanding of industrial networks, cybersecurity, and secure remote-access architectures is required.
  • Professional proficiency in spoken and written French and English is required to serve clients and suppliers across Canada and the United States.
  • A valid passport is required.
  • Ability to travel internationally as needed is required.
Responsibilities
  • Develop reusable PLC application libraries, software modules, templates, and reference implementations for data center applications.
  • Design and validate deployment-ready control solutions to improve project consistency and reduce engineering effort.
  • Establish engineering standards, development guidelines, testing methodologies, and technical documentation.
  • Collaborate with product management and R&D teams to turn platform capabilities into deployable solutions.
  • Support demonstration systems, proof-of-concept projects, and solution-validation activities.
  • Contribute to a develop-once, deploy-many approach that supports solution adoption and deployment readiness.
  • Develop PLC applications using CODESYS and IEC 61131-3 languages, including Structured Text, Function Block Diagram, Sequential Function Chart, and Ladder Logic.
  • Design and validate integrations among PLC, SCADA, BMS, DCIM, cloud platforms, and enterprise systems.
  • Design and support supervisory, visualization, and monitoring solutions using Ignition and Ignition Edge.
  • Contribute to the development of architectures using Modbus, EtherCAT, MQTT, Sparkplug B, OPC UA, BACnet/IP, Redfish, REST APIs, and related industrial technologies.
  • Contribute to secure, scalable, and interoperable industrial automation solutions.
  • Contribute to solutions for critical data center applications, including cooling systems, liquid cooling, pumping systems, energy optimization, and electrical infrastructure monitoring.
  • Develop reusable application models and reference solutions that can be replicated across multiple customers.
  • Collaborate with customers, partners, and internal teams to validate needs and improve solution deployment readiness.
  • Provide technical expertise for strategic opportunities related to data centers, automation, and advanced control systems.
  • Travel an estimated 10% to 15% to support validation activities, strategic customer meetings, internal collaboration sessions, and industry events.
Desired Qualifications
  • Experience with data center infrastructure and mission-critical environments.
  • Knowledge of chiller plants, cooling towers, CRAH/CRAC equipment, liquid-cooling technologies, pumping systems, and electrical distribution monitoring.
  • Experience on large-scale or hyperscale data center projects.
  • Experience with Git, Docker, Kubernetes, Azure, AWS, or edge-computing technologies.
  • Professional certifications related to industrial automation, networking, cybersecurity, or data center operations.

About the company

Acuity provides accounting services designed for high-growth startups, offering everything from virtual bookkeeping to fractional CFOs. It combines highly certified people, proven processes, and world-class accounting technologies to manage a company’s books and financial reporting. Clients access a range of services tailored to their needs, from day-to-day bookkeeping to strategic financial guidance, all supported by standardized workflows and advanced software. This makes Acuity different from competitors by focusing specifically on startups and growth-stage businesses, delivering a full spectrum of accounting functions under one roof and emphasizing scalable processes and tech. The goal is to let startups concentrate on building their business while Acuity handles their financial operations and helps them scale efficiently.

Company Size

51-200

Company Stage

Seed

Total Funding

$1.5M

Headquarters

Atlanta, Georgia

Founded

2004

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Simplify's Take

What believers are saying

  • Acuity's June 2026 blog and services pages show active client acquisition and content velocity.
  • Sorren backing expands tax depth, niche expertise, and cross-firm resources for complex clients.
  • Serving 1,000-plus companies proves repeatable demand across startups, ecommerce, SaaS, and creative agencies.

What critics are saying

  • Kenji Kuramoto left for Basis in April 2026, weakening Acuity's founder-led brand.
  • Acuity's 2025 Sorren merger and rebrand can confuse clients and erode loyalty.
  • Basis's $100 million AI push threatens CAS firms by automating accounting workflows.

What makes Acuity unique

  • Acuity, powered by Sorren, combines bookkeeping, tax, controller, and fractional CFO services.
  • Dedicated humans plus cloud tools like QuickBooks, Xero, Gusto, and BILL reduce friction.
  • No-contract, transparent pricing and Slack access fit startups needing flexible finance support.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • 401(k) Retirement Plan
  • Paid Vacation
  • Gym Membership

Growth & Insights and Company News

6 month growth

-4%

1 year growth

-3%

2 year growth

-3%
Associated Press
Oct 1st, 2026
Acuity reports $4.6B full-year sales, up 7%, with adjusted diluted EPS rising 11% to $19.90

Acuity Inc. reported fiscal fourth-quarter 2026 net sales of $1.2 billion, up 3% year-over-year, and full-year sales of $4.6 billion, up 7%. The industrial technology company posted diluted earnings per share of $5.63 for the quarter, up 56%, and $17.05 for the full year, up 36%. Adjusted diluted EPS reached $5.77 in Q4, an 11% increase, and $19.90 for the full year, also up 11%. The company generated $826 million in cash flow from operations during fiscal 2026. During the quarter, Acuity received $44.9 million in tariff refunds and incurred $17.8 million in special charges related to product portfolio and supply chain initiatives. The company repaid $200 million of its term loan, increased its dividend by 18%, and repurchased over 940,000 shares for $287.2 million.

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Atlanta-based Acuity Behavioral Health, led by CEO Jim Szyperski, has raised $1.5M to address the rising demand for mental and behavioral health services. The company aims to enhance inpatient psychiatric care with its AI-powered Behavioral Health Acuity Index (BHAI), which provides clinical decision support and helps hospitals forecast staffing needs based on behavioral health demands.

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10. Zachary Eikenberry has noticed a shift in how companies are thinking about cybersecurity training recently. Before, it was considered more of a “vitamin” boost. But now, Eikenberry said enterprises are viewing it as a necessary painkiller.