Pre-Sales Field Engineer (DoD)
D-Fend Solutions
Sales & Business Development
McLean, VA, USA
Posted on Sep 2, 2025
Location: Washington, D.C. Metro Area (On-site only)
Travel: Up to 50% (CONUS/OCONUS)
D-Fend Solutions is the global leader in Counter-Drone (C-UAS) technology, protecting defense, government, and critical infrastructure from rogue drones. In this role, you will directly support our DoD and defense industry partners by enabling the deployment of cutting-edge counter-drone solutions that address today’s evolving threat landscape. As a key technical resource, you will collaborate with defense customers, integrators, and stakeholders to ensure our technology meets rigorous operational, security, and compliance standards.
About the Role:
We’re seeking a Pre-Sales Field Engineer to support DoD and defense industry customers. In this hands-on, customer-facing role, you’ll demonstrate and deploy advanced counter-drone systems, ensuring mission success in complex operational environments. As a Subject Matter Expert (SME) on D-Fend Solutions’ advanced Counter-UAS technologies, the Pre-Sales Field Engineer will play a critical role in supporting DoD-focused sales efforts. This position assists account executives and program managers in qualifying the technical requirements of military and government customers, clearly articulating the operational and tactical advantages of our product suite in mission-relevant scenarios.
Join us and help shape the future of defense through advanced counter-drone technology.
What You’ll Do:
- Lead live product demonstrations, field trials, and technical briefings for DoD customers
- Assess customer requirements and support system integration and configuration
- Conduct on-site assessments, installations, and system optimization
- Collaborate with internal teams to deliver technical insights and mission feedback
- Clearly convey the operational capabilities, technical specifications, and mission to both technical and non-technical audiences
- Gather and analyze field insights and lessons learned from DoD engagements, feeding this data back to product management and R&D to inform roadmap planning and capability enhancements aligned with emerging defense needs.
- Responsible for the seamless handover of mission-critical information to our Professional Services Team
- Draft and deliver comprehensive site visit reports, test summaries, and technical findings to internal stakeholders and DoD clients.
What We’re Looking For:
- Prior DoD Service or experience
- US Citizenship required
- Must be available for a full-time, in-office position in the Washington, D.C. metro area (no remote or hybrid options).
- Experience as a Pre-Sales or Field Engineer supporting defense or federal clients
- Strong research and self-study abilities with the discipline to work independently and collaboratively in dynamic, high-tempo environments.
- Natural charisma and professionalism in client interactions; confident, composed, and responsive during live engagements and field ops.
- Strong verbal and written communication skills, including the ability to brief senior leadership and technical/non-technical audiences.
- Must be based in the Washington, D.C. area (on-site role)
- Willingness to travel up to 50% domestically and internationally
- Background in RF, EW, SIGINT, or C5ISR systems a plus
- Part 107 UAS Pilot Certificate a plus
Ideal Candidate Qualifications:
- Background in supporting or working within the U.S. Department of Defense or defense contractors.
- Proven field engineering or technical pre-sales experience with C-UAS, EW, RF, or tactical systems.
- Strong understanding of DoD acquisition processes, cybersecurity requirements (e.g., RMF, NIST 800-171), and operational mission needs.
- Active DoD security clearance (Secret or higher) is highly preferred.
- Willingness to travel to military installations and classified environments.
- Part 107 UAS Pilot Certification (or willingness to obtain certificate shortly after start date)