Zone5technologies
Systems Integration & Test Engineer III / IV
San Luis Obispo, California
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hirly's read of this role
- Role family
- Engineering
- Seniority
- Senior
- Stated salary
- $129,000 – $170,000 per year
- Country
- US
- Work mode
- On-site / unstated
- First seen by hirly
- 13 Sept 2026
Derived automatically from the posting. Upload your resume above to see how the role scores against it.
the posting
At Zone 5 Technologies, we're redefining what's possible in unmanned aircraft systems. Our team of engineers and innovators is developing cutting-edge autonomous solutions that push the boundaries of UAS technology - solving complex challenges that matter.
We're building the future of UAS capabilities, and we're looking for exceptional talent to join us. If you're driven by hard problems, energized by rapid innovation, and ready to make an impact on next-generation flight systems, you belong here.
Role Summary
At Zone 5 Technologies, Systems Integration & Test Engineers support the development and execution of Hardware-in-the-Loop (HITL) environments, as well as the integration, bring-up, and validation of new technologies and features.
This role is hands-on and execution-focused, operating within a collaborative cross-functional team to mature, integrate, test, and troubleshoot avionics, systems, and subsystems prior to production.
Mid-level engineers in this role independently develop & execute integration and HITL test environments, own subsystem-level integration efforts, and play a key role in validating hardware and software prior to testing. This position balances hands-on engineering with increasing technical ownership and responsibility.
Responsibilities
HITL Development & Ownership
Develop and maintain flight-representative HITL rigs
Integrate avionics, sensors, and control systems into test environments
Develop scripts/tools for simulation-driven testing
Lead feature validation and signal verification activities
Model-Based Development (Software)
Develop and maintain MATLAB/Simulink models for system validation
Support code generation and embedded integration
Validate control logic and system performance
Avionics Integration (Avionics)
Design wiring harnesses and signal routing architectures
Validate communication protocols (CAN, Ethernet, UART)
Perform signal integrity and timing analysis
Mechanical Integration (Mechanical)
Design packaging solutions considering SWaP constraints
Support thermal management and environmental validation
Develop integration hardware and mounting solutions
Ground Testing & Flight Support
Execute and lead integration test procedures
Identify, troubleshoot, and resolve integration issues
Support flight test campaigns and on-aircraft validation
Qualifications
Bachelor’s degree in relevant engineering field
3–8+ years of experience in aerospace integration/test
Strong understanding of embedded systems and avionics architectures
Experience working independently in lab/test environments
Preferred
SIL / HIL experience
Flight test support experience
Configuration management experience
UAV/autopilot integration experience
Leveling Signals
Works independently on well-defined problems
Owns subsystems or test environments
Mentors junior engineers
Contributes to system-level decisions
Pay Range
Level III - $129k - $149k
Level IV - $150k - $170k
Pay range for this role
$129,000 — $170,000 USD
What's in it for you:
Benefits:
Competitive total compensation package
Comprehensive benefit package options include medical, dental, vision, life, and more.
401k with company-match
3 weeks of paid time off each year
40 hours of sick time
12 annual company holidays
Why Join Zone 5 Technologies?
Innovative Environment: Work on cutting-edge technology that is shaping the future of defense and aerospace.
Collaborative Culture: Join a team of passionate professionals dedicated to pushing the boundaries of what’s possible.
Career Growth: Opportunities for professional development and career advancement.
If you are passionate about unmanned aircraft technology and want to be a part of a dynamic and growing company, we would love to hear from you. Apply today and join the Zone 5 Technologies team!
In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.
Zone 5 Technologies is a federal contractor and participates in E-Verify to confirm employment eligibility. As required by law, we will verify the identity and employment authorization of all new employees using the E-Verify system. Learn more about your rights and responsibilities under E-Verify: https://www.e-verify.gov .
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