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Operational Technology Security Engineer Jobs (NOW HIRING)

KēSTA I.T.

Sr. IT Security Engineer

Draper, UT · Hybrid

$100K - $130K/yr

A Senior IT Security Engineer in Operations & Engineering supports the design, implementation, and operation of enterprise cybersecurity technologies and services. This role is responsible for ...

METECS

IT Security Engineer

Houston, TX · On-site

We are looking for an IT Security Engineer to lead security operations and assist with maintaining our IT infrastructure. This role covers both security program operations and day-to-day ...

BrightFarms Inc

Security Engineer, Cox Farms

Atlanta, GA · On-site

$130K - $152K/yr

... and operational technology across a growing multi-site agricultural business. Position Overview Cox Farms is building its security operation from the ground up and the Security Engineer will have ...

AHU Technologies, Inc.

IT Security Engineer

Washington, DC · On-site

$90 - $100/hr

Short Description: IT Security Engineer Complete Description: Description The Network Engineer role ... Operational Management 1. Establish and maintain regular written and in-person communications with ...

METECS

IT Security Engineer

Houston, TX · On-site

We are looking for an IT Security Engineer to lead security operations and assist with maintaining our IT infrastructure. This role covers both security program operations and day-to-day ...

Coalfire

Operational Technology Security Consultant

$105K - $148K/yr

The Operational Technology (OT) Cybersecurity Consultant assesses the security posture and maturity ... Bachelor's degree in Engineering, Computer Science, Information Systems, or related field, or ...

Swire Coca-Cola, USA

Sr. IT Security Engineer

Draper, UT · On-site

$107K - $146K/yr

A Senior IT Security Engineer in Operations & Engineering supports the design, implementation, and operation of enterprise cybersecurity technologies and services. They are responsible for ...

DLC

Info Security Engineer I

Duquesne, PA · On-site

Summary: The Information Security Engineer I supports and enhances the Company's cybersecurity ... Experience in electric utility, energy, industrial control system or operational technology ...

SPACE EXPLORATION TECHNOLOGIES CORP

$150K - $195K/yr

IT Security Engineer - Top Secret Clearance Hawthorne, CA SpaceX was founded under the belief that ... Enterprise EDR/AV policy and operations experience. * Enterprise vulnerability management and ...

Savers Thrift Stores

Sr. IT Security Engineer

$117K - $160K/yr

Description Job Title Sr. IT Security Engineer Who we are: As one of the largest for-profit thrift ... Security Operations, and Security Risk and Compliance. Successful candidates will have a ...

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

As of Sep 11, 2026, the average yearly pay for operational technology security engineer in the United States is $137,745.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,000.00 and $173,000.00 per year, depending on experience, location, and employer.

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    Infographic showing various Operational Technology Security Engineer job openings in the United States as of June 2026, with employment types broken down into 87% Full Time, 12% Part Time, and 1% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $137,745 per year, or $66.2 per hour.

    DHS Sr. Operational Technology (OT) Security Engineer

    Washington, DC • On-site

    OneZero Solutions
    IT Services • 51 - 200 employees
    Learn more about OneZero Solutionsexternal

    $129K - $177K/yr

    Full-time

    Medical, Dental, Vision, Life, Retirement, PTO

    Re-posted yesterday

    Job description

    We are an employee-centric company that truly appreciates our team members and their value to our customers and the missions they support. We pride ourselves on being forward-leaning thinkers and fostering teams that are and continue to be technically proficient and technically capable across a comprehensive range of cyber mission areas. OneZero full-time employees receive an extremely competitive benefits package that includes health/dental/vision/life insurance plans, 401K with company matching, PTO & paid holidays, employee referral program, and educational assistance. Additional details can be found on our website at:
    Position Title: Sr. Operational Technology (OT) Security Engineer
    Location: NCR
    Clearance: TS /SCI
    OneZero Solutions is on contract to provide division-wide support for Federal Information Security Modernization Act (FISMA) compliance, execution of the Risk Management Framework (RMF) process to achieve and maintain Authority to Operate (ATO) security authorizations, and deliver cyber security compliance for DHS operational mission systems. We are looking for personnel to support our DHS customer in achieving its mission of providing division-wide cyber security support for operational mission systems and assisting programs as they navigate the ATO process. The result of these efforts will be that the systems meet all the requirements for ATO approval before they are officially submitted to the Office of Chief Information Officer (OCIO).
    Job Summary
    • Serve as the Cybersecurity Assessment Team's principal Operational Technology SME.
    • Participate in the development and implementation of comprehensive Cybersecurity program strategies, including OT security engineering design review, vulnerability assessments, penetration testing, and incident response planning.
    • Provide technical expertise and guidance to DHS on OT services security matters, including threat analysis, risk mitigation strategies, and secure network and systems design.
    • Participate in the planning and performance of hands-on technical assessments of OT systems and infrastructure. This includes the identification of in-scope technologies, application of industry-standard assessment strategies and available tools into system assessment plans, identifying vulnerabilities, and recommendation of corrective actions.
    • Support the development and implementation of secure OT policies and assessment procedures, ensuring compliance with federal regulations and best practices.
    • Collaborate with engineering teams and other government stakeholders to integrate OT security into infrastructure design, sustainment, and incident response planning.
    • Stay current with emerging related security threats and technologies, providing ongoing awareness to DHS personnel and continual enhancement of program assessment procedures and security engineering considerations.

    Qualifications
    • 12+ years of direct experience in OT engineering and security within the DoD/Federal Government.
    • Experience within the Intelligence Community and Law Enforcement is a strong plus.
    • Demonstrated expertise in OT systems and security technologies, including Platform IT, industrial control systems and applications, special purpose and non-standard communications and network infrastructure devices.
    • Strong understanding of OT security engineering principles and assessment references such as NIST SP 800-82 and ISA/IEC 62443
    • Familiarity with the CISA Cybersecurity Alerts & Advisories information portal
    • Proven ability to communicate complex technical concepts to non-technical audiences.
    • Excellent written and verbal communication skills. Ability to work independently and as part of a team.

    Education
    Bachelor's degree or higher in Cyber Security plus CRISC, GISP, CASP, CISSP, or other advanced security-related certifications.
    GISCP or other industry ICS security-related certification is a plus.
    Additional relevant experience may be considered in lieu of a degree.
    OneZero Solutions, LLC is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
    If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access www.onezerollc.com/careers as a result of your disability.
    To request an accommodation, please contact us at recruiting@onezerollc.com or call (202) 987-2580.

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