Field Cyber Security Engineer - Customer-Facing & Tooling

Persistent Systems, LLC; New York (NY); Hybrid; USD 190,000 - 242,000; Full time

Job summary

Persistent Systems, LLC is seeking a Forward Deployed Security Engineer who combines deep cyber security expertise with hands-on software and tool development. You will embed with customer teams, travel to field and operational sites as needed, and collaborate with internal engineering to design and deploy security solutions that enhance mission success.

In this role you will develop security tools, perform assessments, support deployments in real-world environments, and translate complex

Qualifications

• Strong background in cyber security with hands-on testing, hardening, incident response, or vulnerability analysis.
• Proficiency in software development or tool creation (Python, C++, Go, or similar).
• Experience in forward-deployed or customer-facing roles, preferably in mission-driven environments.
• Ability to solve complex technical problems in fast-moving field settings.
• Strong communication skills and cross-functional collaboration.

Responsibilities

• Serve as onsite security liaison between customer operations and Persistent Systems engineering, assessing requirements and ensuring high-quality outcomes.
• Develop, extend, and maintain custom security-focused tools, scripts, and software modules for fielded systems.
• Collaborate with internal teams to translate customer challenges into actionable development tasks and product enhancements.
• Perform security assessments of systems, architectures, and networks with clear, actionable recommendations.
• Support deployment, integration, and troubleshooting of secure systems in real-world environments.
• Translate complex technical concepts into concise guidance for users, stakeholders, and leadership.

Skills

Cyber security

Python

C++

Go

Automation

Security testing

Forward-deployed

Communication

Job description

Persistent Systems, LLC is seeking a Forward Deployed Security Engineer who combines deep cyber security expertise with hands-on software and tool development. You will embed with customer teams, travel to field and operational sites as needed, and collaborate with internal engineering to design and deploy security solutions that enhance mission success.

In this role you will develop security tools, perform assessments, support deployments in real-world environments, and translate complex