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Operational Technology (OT) Security Engineer

DirectViz Solutions, LLC

Chantilly · flexible Full-time Senior Today

About the role

About DirectViz Solutions (DVS)

DVS is a dynamic and rapidly growing government contractor committed to delivering innovative IT solutions that address the mission-critical needs of our government clients. Through the expertise and dedication of our talented team, we provide cutting-edge technology services designed to achieve success and exceed expectations.

At DVS, we prioritize our employees as our greatest asset. We offer competitive compensation, comprehensive medical benefits, a 401(k) match, generous PTO accrual, professional development reimbursement, corporate-funded technology certifications, and robust employee recognition and appreciation programs.

Overview

We are seeking a skilled Operational Technology (OT) Security Engineer to support and secure complex industrial control system (ICS) environments. This role focuses on protecting hybrid IT/OT infrastructures, ensuring compliance with DoD cybersecurity standards, and strengthening security across critical operational technologies. - Work Type: Primarily Remote (see location requirements below)

Key Responsibilities

  • Support and secure complex OT/ICS environments, including SCADA, DCS, PLCs, HMIs, RTUs, and field devices
  • Implement and maintain secure OT architectures, including network segmentation, firewalls, IDS/IPS, and secure remote access
  • Apply cybersecurity frameworks such as NIST CSF, ISA/IEC 62443, and NERC CIP in alignment with DoD requirements
  • Prepare systems and environments for cybersecurity inspections through development and maintenance of compliance artifacts
  • Conduct vulnerability assessments and risk analyses across OT and IT systems, recommending risk-based mitigations
  • Manage POA&M lifecycle, tracking remediation efforts through closure
  • Deploy and tune OT security monitoring, anomaly detection, and threat intelligence capabilities
  • Develop automated workflows for vulnerability remediation, compliance reporting, and analytics
  • Generate audit-ready reports, metrics, and trend analysis for technical teams and leadership
  • Support vendor and supply chain risk management and align IT/OT cybersecurity policies and controls

Required Qualifications

  • 7+ years of OT cybersecurity experience supporting complex ICS/OT environments
  • Hands-on experience with industrial protocols (e.g., Modbus/TCP, EtherNet/IP, IEC 61850, ICCP, DNP3, BACnet)
  • Strong understanding of OT security tools and technologies (e.g., ACAS, Nessus, Qualys, Forescout, EyeInspect)
  • Experience with DoD cybersecurity requirements including STIGs, IAVMs, POA&Ms, and compliance processes
  • Proven ability to support cybersecurity inspections and maintain compliance documentation
  • Strong analytical, problem-solving, and communication skills, including ability to brief senior leadership
  • Ability to work independently and in team environments with minimal oversight

Clearance & Certifications

  • Active DoD Secret clearance required
  • DoD 8570 IAT Level II certification required
  • ICS/OT cybersecurity certification (e.g., ICS 300 or equivalent) required
  • Forescout certification required

Work Location Requirements

This role is primarily remote; however, candidates must reside within 50 miles of one of the following locations:

  • Battle Creek, MI
  • Columbus, OH
  • Dayton, OH
  • Fort Belvoir, VA
  • New Cumberland, PA
  • Ogden, UT
  • Philadelphia, PA
  • Richmond, VA

If you thrive on solving complex problems and building meaningful connections, we'd love to hear from you. Join our team and make an impact today!

Physical and Mental Qualifications:

  • Maintain focus and awareness throughout scheduled working hours.
  • Perform tasks requiring prolonged periods of sitting or standing at a desk, utilizing a computer, mouse, and keyboard.
  • Lift and move objects weighing up to 15 pounds as needed.
  • Exhibit excellent verbal and written communication skills, with a strong command of the English language.
  • Demonstrate the ability to work independently while also collaborating effectively as part of a team.
  • Quickly learn and retain routine tasks and processes.
  • Possess strong organizational skills, attention to detail, business correspondence proficiency, and self-management capabilities.
  • Perform the essential functions of the role satisfactorily; reasonable accommodation will be provided for employees with disabilities upon request.
  • Accept and adapt to additional responsibilities or changes to assigned duties as determined by DirectViz Solutions (DVS).

DirectViz Solutions, LLC (DVS) is an equal opportunity employer who prohibits discrimination and harassment against any employee or applicant for employment based on race, , sex (including pregnancy), age, gender identity, creed, religion, national origin, sexual orientation, marital status, genetic information, disability, political affiliation, protected veteran status, or any other status protected by federal, state or local law.

DVS has a zero-tolerance policy for harassment, threats, coercion, discrimination, and intimidation. Employees may file a complaint or exercise any right protected by Executive Order 11246, Section 503 of the Rehabilitation Act of 1973, as amended, Section 4212 of the Vietnam Era Veterans Readjustment Assistance Act of 1974, or the Veterans Employment Opportunities Act of 1998.

Skills

ACASBACnetDNP3DoD 8570 IAT Level IIEtherNet/IPEyeInspectForescoutICS 300ICCPIEC 61850ISA/IEC 62443Modbus/TCPNessusNERC CIPNIST CSFQualysSCADASTIGs

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