Persistent Systems is seeking a Forward Deployed Security Engineer who combines deep cyber security expertise with hands-on software and tool development experience. In this role, you will embed directly with customer teams—traveling to field and operational sites as needed—to understand their operational needs and collaborate closely with internal engineering teams to design and deploy innovative security solutions that enhance mission success in dynamic environments.

Key Responsibilities

• Serve as the onsite technical security representative and primary liaison between customer operations and Persistent Systems engineering—assessing requirements, identifying capability gaps, proposing tailored solutions, and ensuring rapid feedback loops and high-quality outcomes.
• Develop, extend, and maintain custom security-focused tools, scripts, and software modules to support fielded systems and mission workflows.
• Collaborate with internal engineering, product, and R&D teams to transform customer challenges into actionable development efforts and long-term product enhancements.
• Perform security assessments of systems, architectures, and networks, providing clear, actionable recommendations to both customers and engineering stakeholders.
• Support deployment, integration, and troubleshooting of secure systems in real-world operational environments.
• Translate complex technical concepts into concise guidance for users, stakeholders, and leadership.

Minimum Qualifications

• Strong background in cyber security, including hands-on experience with security testing, hardening, incident response, or vulnerability analysis.
• Proficiency in software development or tool creation (Python, C++, Go, or similar), including experience building automation, security utilities, or integration frameworks.
• Experience working in forward-deployed or customer-facing roles, preferably in mission-driven environments.
• Ability to solve complex technical problems in fast-moving, resource-constrained field settings.
• Strong communication skills and the ability to collaborate across cross-functional teams.
• U.S. citizenship, with the ability to obtain and maintain a U.S. security clearance.
• Willingness to travel up to 50% of the time, including extended stays at customer and field locations.

Preferred Qualifications

• Experience with secure communications systems, tactical networks, or distributed architectures.
• Familiarity with DevSecOps workflows, CI/CD pipelines, or secure software lifecycle practices.
• Background supporting government, defense, or critical infrastructure customers.
• Certifications such as CISSP, OSCP, CEH, CompTIA Security+ (DoD 8570/8140 baseline), or equivalent.
• Active U.S. security clearance already in place.

What You Will Bring

• A customer-first mindset and willingness to embed in the field as part of the mission.
• Creativity and technical curiosity to drive novel solutions.
• The ability to act as both a developer and a security engineer, balancing rapid prototyping with robust security practices.
• A passion for solving real problems for real users.

Environmental/Physical Demands

• 50% in-office and 50% at client sites.

Compensation & Benefits

Total compensation for this role can vary from $190,000 to $242,000 a year based on individual qualifications. Persistent Systems, LLC offers a comprehensive benefits package including medical, dental, vision, life, and disability insurance; paid time off (sick and vacation); flexible spending accounts; a 401(k) plan with company match; fitness membership reimbursement; tuition assistance; mental health benefits; and pet discounts.

Persistent Systems is a growing business that develops Mobile Ad hoc Networking (MANET) wireless radio systems for Government and commercial applications. The radios are typically worn on the person, mounted to manned vehicles, integrated into autonomous unmanned vehicles, or installed at fixed sites. The systems provide on-the-move data, voice, video, and situational awareness capability. Located in the heart of New York City, Persistent Systems is an exciting company that is passionate about delivering cutting edge products.