OT jobs in Merrifield, VA

DHS Sr. Operational Technology (OT) Security Engineer

Washington, District of Columbia

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Today

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 matchin

Full-time

Mid-Level OT/IT Network & Cybersecurity Engineer

McLean, Virginia

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Today

The Health and Services Sector of Leidos is seeking an innovative, hands-on engineer to join our Saxton Lab Team as a Mid-Level OT/IT Network & Cybersecurity Engineer! Our team operates the Federal Highway Administration's (FHWA) Saxton Transportation Operations Laboratory (STOL), a USDOT research lab. STOL is a research and development center advancing the science of connected and automated vehicle technologies and digital roadway infrastructure. Our mission is to improve transportation safety

Full-time

USD 110,000.00 - 130,000.00 per year

Senior SCADA / OT Engineer (Ignition)

Remote

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2d ago

Senior SCADA / OT Engineer (Ignition)Location: Remote U.S. Travel: 2530% Engagement: 6+ Month Contract-to-Hire Position OverviewSeeking a Senior SCADA / OT Engineer with deep hands-on Ignition experience to support industrial and natural gas/pipeline operational technology environments. This role is focused on Ignition development, SCADA/OT integration, industrial data, and IoT Edge technologies. Key ResponsibilitiesDesign, develop, and support Ignition SCADA applicationsBuild solutions using I

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Contract

Depends on Experience

OT Solution Architect

Remote

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4d ago

Position: OT Solution Architect Location: Remote Duration: 12 Months Top Skills: ServiceNow certifications: CSA (Certified System Administrator;CIS-VR (Vulnerability Response), or CIS-SecOpsOT Discovery and OT VM CertificationsOT Visibility (integrating with other solutions supporting plant sites like Maximo-location of the asset in the facility, Qualys- assets , Tenable- VM scanner, Forescout- VM scanner) for the data to supportOT Vulnerability Management and populate the CMDB.Responsibilities:

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Third Party, Contract

$70+

OT Security Engineer/Remote EST

Remote

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Today

Join a leading organization at the forefront of industrial cybersecurity as an OT Security Engineer. This full-time opportunity is ideal for security professionals who are passionate about protecting critical infrastructure and operational technology environments. You'll work with cutting-edge OT security platforms, industrial control systems (ICS), SCADA technologies, network security tools, and cloud-connected manufacturing environments to secure the systems that power essential operations. R

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Full-time

$140000 - $150000

IT/OT Consultant and Solution Architect with AspenTech IP.21 - DE/Wilmington - Remote with possible travel on demand. We anticipate the travel once in quarterly or during the FAT/Go-live activities with expenses paid at actuals.

Remote

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Today

IT/OT Consultant and Solution Architect - DE/Wilmington - Remote with possible travel on demand. We anticipate the travel once in quarterly or during the FAT/Go-live activities with expenses paid at actuals. Requisition Name: IT/OT Consultant and Solution Architect Start Date: 9/1/2026 Duration: 17 Weeks Services Location: DE/Wilmington Description Of Services: JOB SUMMARY IT/OT Consultant and Solution JOB DESCRIPTION Architect IT/OT integration strategies connecting plant-floor control systems

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Contract, Third Party

Depends on Experience

Workforce Management Specialist I

Merrifield, Virginia

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11d ago

Title: Workforce Management Specialist Location: Hybrid- Merrifield, VA Duration:6+ Month Contract Compensation: $20 - $24.56/HR Work Requirements: , Holders or Authorized to Work in the U.S. Skillset / Experience:Workforce Management Specialist: provide operational support for Workforce Management functions.Initiate staffing requests, update schedules, track, document, and support management to ensure employees'' time is being recorded properly in the Workforce management system.Perform new hi

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Third Party, Contract

$20 - $24.56

SME Hardware Reverse Engineer

Arlington, Virginia

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Today

Title: Subject Matter Expert II Description: Solutions LLC is supporting a U.S. Government customer to support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize the severity of breaches, develop mitigation plans, and assist with the restoration of services. Solutions LLC is seeking an experienced and technically proficie

Full-time

Subject Matter Expert Hardware Reverse Engineer

Arlington, Virginia

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Today

Our Partner is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize the severity of breaches, develop mitigation plans, and assist with the restoration of services. They are seeking a Subject Matter Expert with hardware reverse engineering to support this critical custom

Full-time

Information Security & Data Governance Lead (US)

Silver Spring, Maryland

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11d ago

Principal Accountabilities Information Security Develop, implement, and maintain information and cyber security policies, standards, and procedures Ensure alignment with recognized frameworks (ISO 27001, NIST CSF, CIS Controls) Conduct risk assessments across IT, cloud, and Operational Technology (OT) environments Support incident response planning and continuous improvement of security controls Embed secure-by-design principles into infrastructure and operational systems Data Governance Establi

Full-time

Senior Cybersecurity Supply Chain Risk Management (SCRM) Analyst #1809720

Washington, District of Columbia

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Today

About NDi: Network Designs, Inc. (NDi) is a leading Federal contractor that specializes in designing, developing, and delivering information technology and network solutions for government customers. Founded in 1985, NDi's firmly defined core values have driven all aspects of the business, which have been paramount to our company's success and the establishment of an enjoyable workplace atmosphere. At NDi, we believe that our people are the cornerstone of our success, and we value collaboration

Full-time

Resident Engineer – CAASM (RunZero) | TS/SCI | Reston, VA

Reston, Virginia

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18d ago

Active Top Secret / SCI Clearance Required $125$150/hour (W2) 100% On-Site Reston, VA 12-Month Contract with a strong expectation of three annual renewals Key TechnologiesRunZero CAASM ServiceNow CMDB Python REST APIs AWS Azure Google Cloud Platform Splunk CrowdStrike Microsoft Defender SIEM/SOAR EDR/XDR OT/ICS Zero Trust RMF FedRAMP FISMA Enterprise Networking About NovacoastNovacoast is a trusted cybersecurity consulting and professional services firm that helps organizati

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Contract

100 - 125

Senior Cyber Security Analyst

Hybrid in Washington, District of Columbia

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3d ago

Position Senior Cyber Security AnalystLocation Washington DC (Hybrid)Type ContractJob DescriptionRole Description:TheSenior Cyber Security Analyst is responsible for the administration of deployed cyber control technologies. The role is part of the Security Operation Center (SOC) which monitors, analyzes, detects, and responds to cyber incidents on both traditional IT and Operational Technology (OT) networks. The role coordinates with both the Information Technology (IT) team and Operational Te

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Contract, Third Party

Depends on Experience

SCADA Engineer

Manassas, Virginia

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3d ago

eNcloud Services Immediate Requirement Title: SCADA Engineer Location: Manassas, VA (Onsite) C2C/1099 If the site is closed, the candidate will work remotely *JOB DESCRIPTION:* The individual in this role configures, maintains, and supports the SCADA and Load Management infrastructure to ensure reliable, safe, and secure operations. They maintain the SCADA and Load Management systems in a compliant manner, consistently demonstrating adherence to all applicable regulatory standards. The key requ

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Third Party, Contract

Depends on Experience

Scada Engineer - Hybrid (Manassas, VA 20109)

Hybrid in Manassas, Virginia

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Today

Job title: Scada Engineer Duration: long-term contact Position: Hybrid Work location: The candidate will work at Manassas, VA 20109. If the site is closed, the candidate can work 100% remotely. JOB DESCRIPTION The individual in this role configures, maintains, and supports the SCADA and Load Management infrastructure to ensure reliable, safe, and secure operations. They maintain the SCADA and Load Management systems in a compliant manner, consistently demonstrating adherence to all applicable re

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Contract, Third Party

Depends on Experience

Cyber Risk Analyst SME

Arlington, Virginia

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Today

Technomics is a growing employee-owned, decision analytics company that specializes in cost and economic analysis to facilitate better decisions faster . We enable a wide range of clients across the Federal government, from senior level policy makers to program managers, to choose smartly, buy effectively and operate efficiently. We deliver practical, credible and defensible results offering actionable insights by applying data-driven and analytics-based approaches in combination with multidisci

Full-time

USD 105,000.00 - 200,000.00 per year

Workforce Management Specialist (hybrid)

Hybrid in Vienna, Virginia

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12d ago

Job Title: Workforce Management Specialist Location: Hybrid reporting to Vienna, VA or Pensacola, FL Shift (Time): 8:00am - 4:30pm (local time) Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Description: To provide operational support for Workforce Management functions. Initiate staffing requests, update schedules, and track, document, and support management to ensure employees'' time is being recorded properly in the Workforce management system. Perform new hire on

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Contract

$25

System User Expert

Chantilly, Virginia

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Today

Job ID: 2614833-OTHLOC-216 Location: Chantilly, VA, US Date Posted: 2026-07-23 Category: Information Technology Subcategory: Site Support Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_HYBRID Description SAIC is a trusted leader in delivering advanced command and control capabilities across the Department of the Air Force, bringing deep expertise in how cutti

Full-time

USD 80,001.00 - 120,000.00 per year

SCADA Engineer

Manassas, Virginia

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24d ago

Job Title: SCADA Engineer Job Location: Manassas, VA Eligibility/Clearance: JOB DESCRIPTION Configures, maintains and supports the SCADA and Load Management infrastructure to ensure its reliable, safe and secure operation. Maintains the SCADA and Load Management systems in a compliant manner and demonstrates compliance with applicable regulatory standards. Here are the key requirements and responsibilities for this role: ESSENTIAL DUTIES AND RESPONSIBILITIES: - Designs, configures, and mainta

Full-time

120000 - 140000

Critical Infrastructure Analyst

Washington, District of Columbia

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Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 135,200.00 - 278,500.00 per year

OT jobs in Merrifield, VA, USA