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Senior Operational Technology Engineer Jobs (NOW HIRING)

Senior Technology Engineer

Saint Louis, MO · On-site

$101K - $139K/yr

IMEG is seeking a Senior Technology Engineer to join our Technology team in St. Louis, Missouri . In this role, you will lead the design, analysis, and implementation oversight of low-voltage ...

The Operations Technology Engineer partners closely with operations, maintenance, and leadership to improve equipment performance, develop best practices, and implement continuous and breakthrough ...

We are currently seeking a Senior Technology Engineer for our client in the Banking domain. We value our professionals, providing comprehensive benefits and the opportunity for growth. This is a ...

The Operations Technology Engineer partners closely with operations, maintenance, and leadership to improve equipment performance, develop best practices, and implement continuous and breakthrough ...

The Senior IT Engineer will partner closely with the Director of IT to successfully execute operations across the full IT function.The ideal candidate is a proactive, technically deep, and aspiring ...

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Senior Operational Technology Engineer information

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$59.5K

$126.6K

$183.5K

How much do senior operational technology engineer jobs pay per year?

As of Jun 21, 2026, the average yearly pay for senior operational technology engineer in the United States is $126,557.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,500.00 and $143,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Operational Technology Engineer, and why are they important?

To thrive as a Senior Operational Technology Engineer, you need deep expertise in industrial control systems, network security, and automation, typically supported by a degree in engineering or a related field. Proficiency with SCADA, PLC programming, OT/IT integration platforms, and relevant certifications such as CISSP or ISA/IEC 62443 is often required. Strong problem-solving, communication, and leadership skills help in managing cross-functional teams and ensuring seamless operations. These competencies are vital to maintain secure, efficient, and resilient industrial environments in increasingly connected infrastructures.

What is a senior OT engineer?

A senior Operational Technology (OT) engineer is responsible for designing, implementing, and maintaining industrial control systems and infrastructure used in manufacturing, energy, or utilities. They often have expertise in SCADA, PLCs, cybersecurity, and automation tools, and typically oversee projects, troubleshoot complex issues, and ensure system security and reliability. This role usually requires several years of experience and relevant certifications in industrial control systems or cybersecurity.

What engineer makes $500,000 a year?

Senior Operational Technology Engineers in specialized industries such as oil and gas, aerospace, or large-scale manufacturing can earn salaries approaching or exceeding $500,000 annually, especially with extensive experience, advanced certifications, and leadership roles. High compensation often reflects complex responsibilities, expertise in industrial control systems, and the ability to manage critical infrastructure.

Can I make $200,000 a year in cyber security?

Senior Operational Technology Engineers working in cybersecurity roles can potentially earn $200,000 or more annually, especially with extensive experience, specialized skills, and certifications like CISSP or CISA. Salaries vary based on industry, location, and company size, but high-level positions in cybersecurity often reach or exceed this income level.

How does a Senior Operational Technology Engineer typically collaborate with IT and OT teams to ensure system reliability?

A Senior Operational Technology Engineer plays a crucial role in bridging the gap between IT (Information Technology) and OT (Operational Technology) teams. They regularly coordinate with IT professionals to align cybersecurity protocols and network standards, while working closely with OT specialists to maintain and optimize industrial control systems. Effective communication and cross-disciplinary teamwork are key, as they often lead troubleshooting sessions, oversee system integrations, and ensure both safety and uptime. This collaborative environment helps maintain reliable, secure, and efficient operations throughout the organization.

What does an operational technology engineer do?

An operational technology engineer designs, maintains, and optimizes industrial control systems and infrastructure used in manufacturing, energy, and other critical sectors. They work with hardware and software such as PLCs, SCADA systems, and industrial networks to ensure safe and efficient operations, often requiring knowledge of cybersecurity and automation tools. Their role involves troubleshooting, system integration, and implementing safety standards to support continuous industrial processes.

What are Senior Operational Technology Engineers?

Senior Operational Technology (OT) Engineers are experienced professionals who design, implement, and maintain the systems that control and monitor industrial operations, such as manufacturing, energy, or utilities. They specialize in integrating hardware and software solutions to ensure the reliability, efficiency, and security of industrial control systems like SCADA and PLCs. In addition to technical expertise, they often lead teams, coordinate with IT departments, and ensure compliance with safety and cybersecurity standards. Their work is crucial for minimizing downtime, optimizing processes, and protecting critical infrastructure.
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Infographic showing various Senior Operational Technology Engineer job openings in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $126,557 per year, or $60.8 per hour.

Senior SCADA Systems Engineer - Operational Technology

Nammo Defense Systems, Inc

Mesa, AZ • On-site

$103K - $141K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 23 hours ago


Job description

Senior SCADA Systems Engineer - Operational Technology
Nammo Defense Systems, Inc., a defense contractor, is the primary USA operation of the Nammo Group (Nammo AS). Nammo Defense Systems Inc. (NDS) develops, manufactures, and supports Shoulder Launched Munitions (SLMs), energetic material solutions such as aircraft emergency escape systems, actuation devices, rocket motors, warheads, and composite solutions including carbon fiber tubes and composite aerospace structures.

JOB OVERVIEW:

We are seeking a Senior SCADA & Data Systems Engineer to join our operations technology team. This role focuses on connecting manufacturing equipment and processes to our enterprise data environment through the Ignition SCADA platform (by Inductive Automation) and SQL databases. In this role you will own our multi-plant SCADA and OT systems. Architect, build, and operate Ignition, OPC, MSSQL, and the supporting server and network stack. Partner with Controls, IT, and Manufacturing to deliver uptime, traceability, and actionable data.
How you will be rewarded as our Senior SCADA Systems Engineer - Operational Technology: 
• Competitive compensation
• Monday-Thursday work week working four 10-hour days (off on Fridays)
• Generous paid time off and Holiday Pay
• Medical, Dental and Vision Insurance
• 401(K), employee assistance programs, health savings account

KEY RESPONSIBILITIES:

SCADA architecture and development
• Own Ignition across plants, including primary/secondary and new instances.
• Build HMIs for control, labeling, traceability, transaction groups, and tag models.
• Integrate via Ignition OPC and Kepware.
Server and infrastructure ownership
• Operate ~15 production servers: Windows/Linux for Ignition, Kepware/OPC, Python, Node-RED, Grafana.
• Patching, upgrades, storage and capacity, backup/restore, incident response.
Databases and data engineering
• Design schemas and ERDs, stand up and administer SQL Server instances.
• Create jobs, maintenance plans, and verified backups; optimize logging pipelines.
Controls integration and triage
• Work with Controls to diagnose faults, walk ladder logic, trace I/O and comms issues.
• Guide fixes that cross PLC logic, OPC, network, and database boundaries.
OT networking
• Place PLCs/IIoT on correct VLANs, coordinate addressing and routing with IT.
• Validate OPC connectivity inside segmented networks.
Monitoring, alarming, and reporting
• Configure Ignition and Grafana alerting, escalation, approvals.
• Build dashboards and data exports for Quality, Process, Manufacturing, customers.
Reliability and change management
• Plan and execute upgrades and migrations with downtime plans and rollbacks.
• Document designs and RCAs; standardize templates for new lines and plants.
Follow standard practices and safety procedures.
Strictly adhere to all safety policies and procedures to ensure a safe working environment.

COOPERATION
• Work within Nammo’s cross functional teams including Manufacturing, Quality, Engineer, Controls, and Information Technology 
• Work with external consultants and resources as needed
LEVEL OF DECISION MAKING
The Senior SCADA Engineer has responsibility for the OT network and owns the SCADA / MSSQL data collection system. The individual will act as the subject matter expert for Nammo’s SCADA and OT systems. 

SKILLS & QUALIFICATIONS:
Required:

• Education: Bachelor’s degree in Software Engineering, Computer Science, Electrical Engineering, or a related technical field.
• 5+ years of experience in a data-driven industrial or manufacturing environment.
• Proven experience with Ignition SCADA (or equivalent SCADA systems).
• Strong background in SQL Server administration, data modeling, and performance tuning.
• Programming proficiency in Python, Java, or C++.
• Ability to obtain BATF clearance
Preferred:
• Experience with Allen-Bradley, Automation direct PLCs
• Familiarity with DoD cybersecurity requirements preferred.
• Experience with data visualization tools (MS Power BI) is a plus.
COMPETENCIES:
• Excellent communication and collaboration skills.
• Strong problem-solving and critical-thinking abilities.
• Ability to work in fast-paced environments.
• Leadership or teamwork abilities.
• Strong analytical, troubleshooting, and problem-solving abilities.
• Excellent communication and documentation skills.
• Ability to work both independently and collaboratively across disciplines.
• Curious, self-motivated, and driven to continuously improve systems and processes.
WORKING CONDITIONS:
• Full-time position
• On-site
• Ability to travel. Expected travel is less than 10%
• Ability to stand for prolonged periods