Senior OT Cybersecurity Architect – On-Site DC

ZipStaff Inc.; Washington (District of Columbia); On-site; USD 124,000 - 207,000; Part time

Job summary

ZipStaff Inc. seeks a Senior OT Cybersecurity Engineer to support a critical-infrastructure modernization initiative in Washington, DC.

You will work in a SAFe/Agile delivery framework to strengthen security controls across OT, IC, and SCADA environments and ensure compliance with TSA directives and NIST standards. The role requires hands-on deployment of network segmentation, integration of OT security tools, and collaboration with cross-functional teams.

Qualifications

• 7+ years of cybersecurity experience focused on OT, IC, SCADA, or critical infrastructure.
• Experience with OT network protocols (Modbus, DNP3, Ethernet/IP, PROFINET) and industrial network security configurations.
• Experience with Agile delivery frameworks (SAFe, Scrum, or Kanban).
• Willingness to work on-site in Washington, DC and eligible to work in the United States without sponsorship.

Responsibilities

• Architect, deploy, and manage security controls for OT, SCADA, and IC environments.
• Execute network segmentation and boundary controls between IT and OT networks using the Purdue Model.
• Configure OT security tools for asset discovery, threat monitoring, and vulnerability management (Claroty, Nozomi, Dragos, Tenable.ot).
• Collaborate in a SAFe / Agile team — sprint planning, backlog grooming, and daily standups.
• Conduct risk assessments aligning with TSA directives, NIST SP 800-82, and IEC 62443.
• Help establish secure remote access, centralized patching workflows, and incident-response playbooks for critical-infrastructure devices.
• Translate technical security requirements into actionable sprint user stories.

Skills

OT cybersecurity

Agile delivery

Network security

Communication skills

On-site DC work

Education

GICSP

CISSP

CISM

GRID

Tools

Claroty

Nozomi Networks

Dragos

Tenable.ot

Job description

ZipStaff Inc. seeks a Senior OT Cybersecurity Engineer to support a critical-infrastructure modernization initiative in Washington, DC.

You will work in a SAFe/Agile delivery framework to strengthen security controls across OT, IC, and SCADA environments and ensure compliance with TSA directives and NIST standards. The role requires hands-on deployment of network segmentation, integration of OT security tools, and collaboration with cross-functional teams.