Demo

Sr. Operational Technology Security Engineer

OneZero Solutions
Alexandria, VA Full Time
POSTED ON 9/28/2025
AVAILABLE BEFORE 10/27/2025
Position Title: Sr. Operational Technology (OT) Security Engineer

Location: NCR

Clearance: TS /SCI

Salary: $195,000 to $225,000

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.

Salary : $195,000 - $225,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Sr. Operational Technology Security Engineer?

Sign up to receive alerts about other jobs on the Sr. Operational Technology Security Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$70,462 - $84,818
Income Estimation: 
$77,991 - $108,747
Income Estimation: 
$87,093 - $107,335
Income Estimation: 
$140,233 - $181,029
Income Estimation: 
$161,209 - $233,553
Income Estimation: 
$87,093 - $107,335
Income Estimation: 
$111,725 - $147,313
Income Estimation: 
$112,673 - $137,290
Income Estimation: 
$140,233 - $181,029
Income Estimation: 
$161,209 - $233,553
Income Estimation: 
$112,673 - $137,290
Income Estimation: 
$139,945 - $168,577
Income Estimation: 
$140,233 - $181,029
Income Estimation: 
$161,209 - $233,553
Income Estimation: 
$139,945 - $168,577
Income Estimation: 
$164,835 - $201,088
Income Estimation: 
$135,994 - $168,063
Income Estimation: 
$161,209 - $233,553
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at OneZero Solutions

OneZero Solutions
Hired Organization Address Portsmouth, NH Full Time
We are an employee-centric company that truly appreciates our team members and their value to our customers and the miss...
OneZero Solutions
Hired Organization Address Alexandria, VA Full Time
We are an employee-centric company that truly appreciates our team members and their value to our customers and the miss...
OneZero Solutions
Hired Organization Address Alexandria, VA Full Time
Position Title:Cyber Network Defense Analyst Location : FEMA - Bluemont, VA - The position is a hybrid of telework and o...
OneZero Solutions
Hired Organization Address Washington, DC Full Time
We are an employee-centric company that truly appreciates our team members and their value to our customers and the miss...

Not the job you're looking for? Here are some other Sr. Operational Technology Security Engineer jobs in the Alexandria, VA area that may be a better fit.

Information Technology Service Desk Manager

Strategic Operational Solutions, Arlington, VA

AI Assistant is available now!

Feel free to start your new journey!