Systems Integration Engineer - C5ISR Programs

Job Description

About the Role:

Horizon Global Partners (HgP) is seeking a highly capable Systems Integration Engineer to support the design and deployment of cutting-edge C5ISR systems for international defense clients. This role will be instrumental in translating system design into operational capability by integrating hardware, software, and network components into a cohesive system. You will work closely with architects, engineers, and project teams in the U.S. and the Kingdom of Saudi Arabia (KSA) to ensure successful system delivery and interoperability across mission environments.

Key Responsibilities:

Lead and support the integration of subsystems, ensuring compatibility across hardware, software, communications, and networking layers.

Develop and maintain Interface Control Documents (ICDs), integration plans, and configuration baselines.

Conduct end-to-end system validation testing, identifying and resolving technical issues related to interoperability and performance.

Work closely with Enterprise Architects and System Engineers to verify technical implementation aligns with requirements and design intent.

Support technical reviews, factory acceptance testing, site acceptance testing, and final system delivery processes.

Collaborate with stakeholders in KSA for on-site integration support, configuration adjustments, and training facilitation.

Ensure system integration is documented in compliance with U.S. and KSA security, safety, and quality standards.

Participate in the creation of user manuals, standard operating procedures, and technical reports.

Required Qualifications:

Bachelor’s degree in Systems Engineering, Electrical Engineering, Computer Engineering, or related field.

5+ years of experience in systems integration roles for complex, multi-domain systems—preferably in defense, aerospace, or telecom sectors.

Hands-on experience with integration of C4ISR, IT, networking, or sensor systems.

Strong technical documentation skills and experience working with configuration management tools.

Ability to troubleshoot and resolve technical integration issues across multi-vendor components.

U.S. citizenship required with the ability to obtain a security clearance (if not already held).

Preferred Qualifications:

Knowledge of NATO or MODAF/UAF architecture standards.

Familiarity with GCC defense projects, especially SANGCOM or Ministry of National Guard (MNG).

Experience with cybersecurity requirements and secure system integration practices.

INCOSE or PMI certifications.

Experience with test automation and simulation environments.

Why Join HgP?

HgP is a premier U.S.-based integrator and defense solutions provider working across 40+ countries. Our mission is to modernize and secure global defense infrastructures through innovation, engineering excellence, and trusted partnerships. At HgP, you’ll have the opportunity to deliver mission-critical systems that impact national defense strategies worldwide.

Full-time