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About the Role

9 Mothers is hiring an Integration Engineer to connect our counter-drone platform with the broader ecosystem of systems our customers already run. In this role, you will design, build, and maintain integrations between our product and third-party enterprise and mission systems—most notably Command and Control (C2) platforms—so that our detection, tracking, and defeat capabilities plug cleanly into a customer's existing operational picture. You will own the full integration lifecycle: understanding partner and customer system interfaces, defining data and messaging contracts, building and testing the integration, and supporting it through deployment in the field. This role sits at the intersection of software engineering, systems integration, and customer-facing technical work in a fast-moving defense startup environment.

Responsibilities

Design, build, and maintain integrations between our counter-drone system and external platforms, including Command and Control (C2) systems, sensor networks, and other mission systems.
Develop and maintain APIs, data feeds, and messaging interfaces (REST, SOAP, pub/sub, and similar) that expose our system's detection, tracking, and status data to external platforms.
Implement and troubleshoot military and industry-standard data formats and messaging protocols (e.g., Cursor-on-Target, Link 16, VMF, TAK/ATAK, or comparable interoperability standards) as required by customer and partner systems.
Work directly with customers, partners, and internal engineering teams to gather integration requirements, define interface control documents (ICDs), and translate operational needs into technical specifications.
Build and execute integration test plans, including simulation and hardware-in-the-loop testing, to verify correctness, timing, and reliability of data exchange between systems.
Support integration efforts during customer demonstrations, pilots, and field deployments, troubleshooting issues across the full stack.
Produce and maintain clear integration documentation, interface specifications, and runbooks for internal teams and external partners.

Requirements

5+ years of hands-on experience as an integration engineer, systems integration engineer, or similar role, integrating software products with external enterprise systems.
Strong working knowledge of APIs (REST/SOAP), messaging and pub/sub systems, data serialization formats (JSON, XML, Protobuf), and general middleware/integration patterns.
Proficient in at least one modern programming language commonly used for integration work (e.g., Python, Kotlin, C++, or C#), with the ability to read and write production-quality integration code.
Comfortable diagnosing issues across the network, application, and data layers when an integration isn’t behaving as expected—strong understanding of TCP/IP networking and system-level debugging.
Resourceful self-starter comfortable working directly with customers and partners, owning ambiguous integration problems end-to-end, and navigating shifting priorities in a fast-moving startup environment.
This position requires access to export-controlled information under ITAR. Only U.S. citizens are permitted.
Must be willing to submit to a background check.

Skills

REST
SOAP
Pub/sub
JSON
XML
Protobuf
Python
Kotlin
C++
C#
TCP/IP networking
Cursor-on-Target
Link 16
VMF
TAK/ATAK
Android Studio
Visual Studio

Location

Austin, TX

Work Type

Onsite
Direct Hire
Full-Time

Experience Level

5+ years

Benefits

Meaningful Early Equity
Direct Roadmap Influence
Mission-Critical Work
The Builder’s Playground: Work in a brand-new lab fully optimized for rapid prototyping, equipped with NVIDIA Jetsons, high-end scopes, and 3-D printers.
100% Employer-Paid Premiums: We cover 100% of your medical, dental, and vision insurance premiums and cover 50% of healthcare premiums for your dependents.
Unlimited PTO
Zero Red Tape: You report to the founders. You have the autonomy to make technical decisions that would take months of committee approval at a larger firm.
Austin-Based Culture: Join an onsite team in Austin, TX, where we prioritize high-bandwidth collaboration and rapid field-testing.
Relocation Assistance

About the Company

The modern battlefield has changed. Cheap, autonomous suicide drones have turned the tactical advantage upside down, and the world is looking for a solution. At 9 Mothers, we aren’t just "innovating"—we are building the shield.
Backed by top-tier investors, we develop AI powered machines designed to intercept and neutralize Group 1/sUAS threats in real-time. Our flagship product is a low-power, counter-drone system built for the edge—on vehicles, at bases, or in a soldier's pack.
While others build for "awareness" or "long-term research," we build for the immediate survival of those in harm’s way. We are a team of hackers, engineers, and mission-driven builders who value field-ready capability over polished slide decks. If you want to see your code or hardware in the field next month—not next year—this is your playground.