OT Security Analyst (Inventory/Diagrams/Risk Register)

Cyberjobs; Herndon (VA); On-site; USD 66,000 - 106,000; Full time

Job summary

Peraton is seeking an OT Security Analyst to support the Army National Guard in the greater DMV area. The role focuses on maintaining OT inventories, producing diagrams, mapping risks, and sustaining risk registers to enable RMF/ATO readiness.

You will collaborate with engineering, operations, and SOC teams to validate configurations, map vulnerabilities, and verify remediation across OT environments, contributing to continuous improvement in asset management and risk tracking.

Qualifications

• Experience in OT/ICS inventorying, network diagramming, risk management, or systems documentation.
• Proficiency creating and maintaining network/OT diagrams (Visio/NetBox/Diagrams tools) and authoritative asset registries.
• Familiarity with OT/ICS protocols, control system components, and typical OT network segmentation/zoning.
• Experience mapping vulnerabilities to OT assets, maintaining risk registers/POA&Ms, and supporting remediation verification.
• Strong attention to detail, documentation skills, and ability to coordinate with engineering and operations teams.

Responsibilities

• Maintain and update authoritative OT asset inventories, component registers, and configuration baselines.
• Produce and sustain network/interconnection diagrams (logical and physical) reflecting OT topology, zones, conduits, and data flows.
• Perform exposure and dependency analysis to map asset criticality, connectivity risks, and potential impact to operations.
• Update and maintain risk registers (RIO): record vulnerabilities, residual risk ratings, mitigation owners, POA&Ms, and status tracking.
• Validate system configurations with engineering and operations teams; identify undocumented connections or shadow assets and drive corrective actions.
• Support vulnerability scanning/assessment cycles by correlating findings to OT assets and verifying remediation evidence.
• Provide documentation and artifacts to support RMF/ATO evidence, CCRI readiness, and auditability for OT environments.
• Collaborate with SOC/CIRT, network, and system owners to inform detection, monitoring, and protective measures for OT assets.
• Contribute to continuous improvement of inventory, diagramming, and risk‑tracking processes and tools.

Skills

OT/ICS inventorying

Network diagramming

Risk management

Documentation

Asset registries

Education

Bachelor’s degree in CS/Cybersecurity/IT/related field

DoD/military training

CompTIA Security+

Tools

Visio

NetBox

Diagrams tools

CMDB/CM tools

Job description

Responsibilities

We are seeking a highly skilled and innovative OT Security Analyst (Inventory/Diagrams/Risk Register) to join our team in the greater DMV area, supporting the Army National Guard.

Responsibilities

• Maintain and update authoritative OT asset inventories, component registers, and configuration baselines.
• Produce and sustain network/interconnection diagrams (logical and physical) reflecting OT topology, zones, conduits, and data flows.
• Perform exposure and dependency analysis to map asset criticality, connectivity risks, and potential impact to operations.
• Update and maintain risk registers (RIO): record vulnerabilities, residual risk ratings, mitigation owners, POA&Ms, and status tracking.
• Validate system configurations with engineering and operations teams; identify undocumented connections or shadow assets and drive corrective actions.
• Support vulnerability scanning/assessment cycles by correlating findings to OT assets and verifying remediation evidence.
• Provide documentation and artifacts to support RMF/ATO evidence, CCRI readiness, and auditability for OT environments.
• Collaborate with SOC/CIRT, network, and system owners to inform detection, monitoring, and protective measures for OT assets.
• Contribute to continuous improvement of inventory, diagramming, and risk‑tracking processes and tools.

#ENOCS

Qualifications

Qualifications

• 2 years with BS/BA; 0 years with MS/MA; 6 years with HS Diploma

• Clearance: Active TS/SCI clearance.

• Candidate must meet ONE of the following:

  • Bachelor’s degree in Computer Science, Cybersecurity, Data Science, Information Systems, Information Technology, Software Engineering, or a related field; OR
  • Relevant DoD/military training (example: Research & Development Specialist (Intermediate) Playlist); OR
  • Relevant professional certification or equivalent experience (example: CompTIA Security+).

• Required experience and skills:

  • Experience in OT/ICS inventorying, network diagramming, risk management, or systems documentation.
  • Proficiency creating and maintaining network/OT diagrams (Visio/NetBox/Diagrams tools) and authoritative asset registries.
  • Familiarity with OT/ICS protocols, control system components, and typical OT network segmentation/zoning.
  • Experience mapping vulnerabilities to OT assets, maintaining risk registers/POA&Ms, and supporting remediation verification.
  • Strong attention to detail, documentation skills, and ability to coordinate with engineering and operations teams.

• Desired:

  • Prior DoD/ARNG or industrial control systems (ICS/OT) environment experience.
  • Familiarity with RMF/ATO evidence requirements, CCRI concepts, and tools for inventory/risk tracking.
  • Experience with automated asset discovery, CMDB/CM tools, or OT asset management platforms.

#ENOCS

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Target Salary Range

$66,000 - $106,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.