Operational Technology Security Engineer
Anywhere
Category: Security
Industry: Government
Workplace Type: Remote
Reference ID: JN -042026-106569
Date Posted: 04/26/2026
Shortcut: http://careers.eliassen.com/EYewvM
Description:
Remote
Our client seeks an Operational Technology Security Engineer to secure industrial and OT environments through the design, implementation, and monitoring of controls aligned to DoD and industry standards. The engineer will assess risk, harden architectures, and integrate cybersecurity across the OT system lifecycle. The role will bridge IT and OT practices, support inspections and incident response, and deliver analytics to inform leadership decisions.
Salary: $110,000 - $135,000/ yr. w2
Responsibilities:
- Support planning, design, development, testing, integration, and security of OT systems.
- Analyze and implement OT cybersecurity requirements and controls.
- Conduct vulnerability assessments across OT and IT systems, networks, applications, and databases.
- Develop, maintain, and validate cybersecurity documentation and artifacts.
- Manage and track POA&M entries, including remediation actions and timelines.
- Perform OT-specific risk assessments and recommend mitigation strategies.
- Support DoD cybersecurity inspections and ensure environment readiness.
- Deploy and tune OT security monitoring solutions including IDS, IPS, and anomaly detection.
- Develop and implement OT-specific incident response plans.
- Manage software and firmware updates while minimizing operational disruption.
- Generate cybersecurity reports, analytics, and trend analysis for leadership.
- Bridge IT and OT cybersecurity practices to ensure aligned protections.
- Provide technical recommendations to engineers, operators, and leadership.
- Support compliance with industry and regulatory cybersecurity standards.
- Build automated workflows for vulnerability management and reporting.
Experience Requirements:
- Minimum seven years of experience in OT cybersecurity or a related field.
- Experience supporting DoD or federal cybersecurity environments (preferred).
- Hands-on experience with industrial control systems and OT environments.
- Strong knowledge of OT systems including SCADA, ICS, DCS, PLCs, HMIs, RTUs, and field devices.
- Experience with OT communication protocols such as Modbus/TCP, DNP3, BACnet, and IEC 61850.
- Understanding of secure OT network architectures including segmentation, firewalls, and IDS/IPS.
- Knowledge of secure remote access solutions for OT environments.
- Experience with vulnerability scanning tools such as ACAS, Nessus, Qualys, Forescout, and EyeInspect.
- Familiarity with cybersecurity frameworks including NIST CSF, ISA/IEC 62443, and NERC CIP.
- Understanding of DoD cybersecurity requirements including STIGs, IAVMs, and configuration guides.
- Experience with patch management and change management processes.
- Ability to conduct forensic analysis within OT environments.
- Proficiency with Microsoft Excel, Access, Power BI, and Power Platform.
- Strong analytical, problem-solving, and research skills.
- Excellent written and verbal communication skills.
- Ability to work independently and in team environments.
- Active DoD Secret Clearance.
- Training module or course completion in Forescout.
Education Requirements:
- One of the following certifications: 300 - ICS Cybersecurity; AWS Certified Solutions Architect - Associate; GIAC Certified Windows Security Administrator (GCWN); Infoblox Core DDI Configuration and Administration; ISA Certified Control System; Microsoft Certified: Azure Administrator Associate; Microsoft Certified Solutions Associate Windows Server 2016; Microsoft 365 Certified: Messaging Administrator Associate; MS 2016 Active Directory Identity and Networking; Oracle Cloud Infrastructure Foundations 2020 Certified Associate; OCI Cloud Infrastructure Foundations Associate 2025 Exam.
- And one of the following certifications: CCNA Security; CompTIA CySA+; GICSP; CompTIA Security+ CE; CND; SSCP.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contactInfoSec@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above