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Plc Applications Engineer Jobs in Virginia (NOW HIRING)

Control Systems Engineer

Reston, VA · On-site

  • Medical

  • Retirement

  • PTO

Develop basic understanding of Human-Machine Interface (HMI) and Programmable Logic Controller (PLC) applications. * Practice procedures outlined in the company's Quality Management System (QMS)

Control Systems Engineer

Reston, VA · On-site

  • Medical

  • Retirement

  • PTO

Develop basic understanding of Human-Machine Interface (HMI) and Programmable Logic Controller (PLC) applications. * Practice procedures outlined in the company's Quality Management System (QMS)

  • Medical

  • Retirement

  • PTO

Develop basic understanding of Human-Machine Interface (HMI) and Programmable Logic Controller (PLC) applications. * Practice procedures outlined in the companys Quality Management System (QMS)

  • Medical

  • Retirement

  • PTO

Develop basic understanding of Human-Machine Interface (HMI) and Programmable Logic Controller (PLC) applications. * Practice procedures outlined in the companys Quality Management System (QMS)

  • Medical

  • Retirement

  • PTO

Experienced with Human-Machine Interface (HMI) and Programmable Logic Controller (PLC) applications. * Demonstrates deep understanding of the companys Quality Management System (QMS). * Provide ...

$106K - $140K/yr

  • Medical

  • Retirement

  • PTO

Experienced with creating and editing Human-Machine Interface (HMI) and Programmable Logic Controller (PLC) applications. * Expert in understanding, practicing, and guiding others in the companys ...

Engineering Team Lead

Reston, VA · On-site

$108K - $142K/yr

  • Medical

  • Retirement

  • PTO

Experienced with creating and editing Human-Machine Interface (HMI) and Programmable Logic Controller (PLC) applications. * Expert in understanding, practicing, and guiding others in the company ...

Engineering Team Lead

Reston, VA · On-site

$110 - $170/hr

  • Medical

  • Retirement

  • PTO

Experienced with creating and editing Human‑Machine Interface (HMI) and Programmable Logic Controller (PLC) applications. * Expert in understanding, practicing, and guiding others in the company ...

Senior Engineering Team Lead

Reston, VA · On-site

$140 - $150/hr

  • Medical

  • Retirement

  • PTO

Continue to learn emerging controls technologies (e.g., Human‑Machine Interface (HMI), Programmable Logic Controller (PLC) applications, Communication Protocols). * Serve as a champion in ...

$140K - $150K/yr

  • Medical

  • Retirement

  • PTO

Continue to learn emerging controls technologies (e.g., Human-Machine Interface (HMI), Programmable Logic Controller (PLC) applications, Communication Protocols). * Serve as a champion in ...

Senior Engineering Team Lead

Reston, VA · On-site

$140K - $150K/yr

  • Medical

  • Retirement

  • PTO

Continue to learn emerging controls technologies (e.g., Human-Machine Interface (HMI), Programmable Logic Controller (PLC) applications, Communication Protocols). * Serve as a champion in ...

Automation System Design & Development Design and build PLC-based control systems tailored to industrial applications and critical infrastructure environments. * Control Panel Engineering Develop and ...

Applications Dev Sr Prin

Sterling, VA · On-site

$132K - $226K/yr

These developers would support a multi-year project in the Dulles, VA area with our customer. You ... S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which ...

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Showing results 21-40

Plc Applications Engineer information

How does a PLC Applications Engineer typically collaborate with other departments during a project?

As a PLC Applications Engineer, you’ll work closely with cross-functional teams, including electrical engineers, mechanical engineers, and project managers, to ensure successful integration and implementation of automation solutions. Collaboration often involves reviewing system requirements, coordinating design specifications, and troubleshooting issues during installation and commissioning. Clear communication and teamwork are essential, as you’ll frequently need to explain technical concepts to non-technical stakeholders and support field technicians during system startup. This multi-disciplinary environment provides valuable exposure to various aspects of industrial automation and fosters continuous professional growth.

What is a PLC Applications Engineer?

A PLC Applications Engineer designs, develops, and implements control systems using Programmable Logic Controllers (PLCs) for industrial automation. They troubleshoot hardware and software issues, program PLCs with ladder logic or other languages, and collaborate with clients and teams to optimize automation processes. Strong knowledge of control systems, electrical engineering, and relevant programming tools is essential for this role.

What does a PLC Applications Engineer do?

A PLC Applications Engineer is responsible for designing, programming, testing, and maintaining programmable logic controller (PLC) systems used in industrial automation. They work closely with clients and project teams to develop custom control solutions that improve manufacturing processes and equipment performance. Their tasks often include writing PLC code, configuring hardware, troubleshooting issues, and providing technical support. PLC Applications Engineers play a key role in ensuring automation systems run efficiently and reliably.

What are the key skills and qualifications needed to thrive as a PLC Applications Engineer, and why are they important?

To thrive as a PLC Applications Engineer, you need strong knowledge of electrical engineering principles, PLC programming, automation systems, and typically a degree in electrical or automation engineering. Familiarity with programmable logic controller platforms (such as Siemens, Allen-Bradley, or Schneider), HMI/SCADA systems, and relevant certifications like Siemens S7 or Rockwell Automation are commonly required. Excellent problem-solving, analytical thinking, and effective communication with both technical teams and clients are essential soft skills. These competencies ensure reliable automation solutions, efficient project execution, and effective collaboration with stakeholders in industrial environments.

What is the difference between Plc Applications Engineer vs Automation Engineer?

AspectPlc Applications EngineerAutomation Engineer
CredentialsTypically requires a degree in electrical, mechanical, or industrial engineering; certifications in PLC programming are commonRequires a degree in engineering or related field; certifications in automation systems are beneficial
Work EnvironmentDesigning, programming, and troubleshooting PLC systems in manufacturing or industrial settingsDeveloping and implementing automation solutions across various industries, including manufacturing and process control
Industry UsageCommonly employed in industries with heavy automation and PLC use, such as automotive, food processing, and manufacturingUsed broadly in industries requiring automation, including robotics, process industries, and factory automation

While both roles involve automation and engineering skills, a Plc Applications Engineer primarily focuses on PLC programming and system integration within industrial environments. An Automation Engineer has a broader scope, often working on entire automation systems beyond PLCs, including robotics and control systems. The roles overlap in skills and industry usage but differ in specific focus areas.

Are PLC Applications Engineers in demand?

PLC Applications Engineers are in high demand due to the ongoing need for automation and control systems across manufacturing, energy, and industrial sectors. They typically require knowledge of PLC programming, troubleshooting, and experience with automation tools, making their skills valuable in modern industrial environments.
Infographic showing various Plc Applications Engineer job openings in Virginia as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Control Systems Engineer

Thermo Systems LLC

Reston, VA • On-site

Full-time

Medical, Retirement, PTO

Re-posted 28 days ago


Job description

Who We Are:

Thermo Systems is a global, full-service control systems integration partner, delivering world-class automation solutions in the District Energy, Life Sciences, and Mission Critical markets. Our diverse leadership and dedicated engineering team are committed to excellence and consistent growth. Our unique company culture, known as "The Thermo Way," strengthens our team by fostering an environment where all members perform their best.

Our commitment to being unified, dynamic, and delivering excellence is evident in how we build trusting relationships through connection and camaraderie, ability to adapt, and focus on integrity and success. These values guide our daily operations and interactions, setting the standard for our team's behavior. As we continue to grow and evolve, "The Thermo Way" supports our goals of becoming a world-class organization, ensuring employee success, customer success, and financial strength.

Job Summary:

Works on control system projects; gains experience in hardware and software design, development, integration, testing, and installation support. Listens, takes direction, and seeks guidance from the assigned project leads, the supervisors, and company leadership.

Education and Experience:

  • Bachelor of Science; Electrical Engineering, Mechanical Engineering, Computer Science, or other pertinent curriculum combined with relevant technical experience.
  • Typically, 0-2 years of experience

Duties and Responsibilities:

Technical Responsibilities:

  • Develop basic troubleshooting skills.
  • Accumulate field experience.
  • Demonstrate the ability to assist other project members during installation, start-up, and commissioning.
  • Acquire Factory Acceptance Tests (FAT) experience.
  • Read and interpret piping & instrumentation diagrams and wiring diagrams.
  • Develop basic understanding of Human-Machine Interface (HMI) and Programmable Logic Controller (PLC) applications.
  • Practice procedures outlined in the company’s Quality Management System (QMS).
  • Demonstrate the ability to proof-read self-generated documentation.
  • Develop basic understanding of control system design.
  • Develop basic understanding of Information Technology (IT) system, network infrastructure, and computer system design, as it relates to control system integration.

Customer Service:

  • Communicate in an effective, positive, and proactive manner with customers.
  • Follow customer specific site standards and procedures.
  • Always conduct business in professional manner.
  • Provide excellent customer care and support.
  • Be patient, attentive, and responsive to customers in solving their problems.
  • Always follow up and honor commitments with customers.

Project Responsibilities:

  • Complete assigned tasks accurately, on schedule, and under budget.
  • Understand the scope of work assigned to you, identify when issues arise that are beyond that scope, and communicate those issues to the assigned project lead.
  • Provides accurate feedback on status of assigned tasks.

Required Skills and Abilities:

  • Committed to personal development by gaining new skills and experiences.
  • Displays patience when working with others.
  • Listens closely and actively seeks knowledge from senior staff members.
  • Able to solve problems.
  • Maintain professional relations with co-workers, offer assistance to co-workers when possible, ask for help and guidance from coworkers when necessary, and always treat co-workers with respect.
  • Proficient in Microsoft operating systems and Office tools.
  • Possess and apply hands-on electrical and mechanical skills.
  • Proficient with multimeter, signal generators, and other hand tools.
  • Work safely, never endangering self, others, or property.
  • Know how and when to use appropriate Personal Protective Equipment (PPE).
  • Promotes a positive/collaborative team culture.

Travel required:

  • Overnight travel may be required up to 50%

On Call:

  • On call rotation participation may be required based on location and client needs.

Work Authorization/Other Requirements:

  • Proof of eligibility to work in the country where the position is located is required.
  • Maintain a valid driver's license.
  • Fit for Duty at all times

Culture:

Model Thermo Systems core values of employee success, customer success and financial strength by:

  • Seeking new and additional business through project change orders, additional services to existing customers, and referrals for new customers/projects. Drive financial success.
  • Be a good teammate, support your colleagues, promote a positive atmosphere for those around you. Drive employee success.
  • Go the extra mile for your customer, take ownership of their needs, over communicate. Drive customer success.
  • Foster an environment of integrity, trust, collaboration, professionalism, serving one another, leading by example, and assuming good intent each and every day.

What You'll Get:

  • Competitive salary, annual bonuses, 401(k) with company match, and business travel reimbursement: We appreciate our employees, and we make sure they know it.
  • Benefits: We offer full-time employees multiple healthcare packages, including low-cost options.
  • Casual Dress: Every day is "Casual Friday"; we want you to be comfortable when you come to work.
  • Training: We offer in-house and factory technical training to keep our staff sharp.
  • Tuition Reimbursement: We encourage academic advancement and professional credentialing.
  • Vacation/Sick Time: We believe work-life balance is essential. Ensuring our employees have time to truly relax and recharge is important to us.
  • Culture & Extras: We provide free lunches, regular team bonding & fun office events, and plenty of company swag.

Visit us at www.thermosystems.com to learn more!

Thermo Systems provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics.