Senior Applications Engineer – Field Service (International Assignment)

About the role

L3Harris is seeking a Senior Applications Engineer to lead field‑service activities for defence communications systems across Estonia, Latvia and Lithuania. Based in Tallinn, you will act as the primary technical liaison for Ministry of Defence customers, ensuring the successful deployment and integration of mission‑critical radio products.

Key responsibilities

• Lead technical discussions with MoD customers, developing system solutions based on L3Harris radios and modern MANET waveforms.
• Develop comprehensive system architectures for C4ISR applications, covering voice and data over multiple radio frequencies.
• Support design and integration of L3Harris products with third‑party intercom, electronics, software and power systems.
• Assist with physical integration of radio equipment into land vehicles, shelters, fixed sites, ships, aircraft and UAVs.
• Prepare white papers, presentations and custom solution proposals for customers.
• Collaborate with Technical Field Service, Sales, Program and Project Management to balance technical, schedule and cost requirements.

Required profile

• Extensive experience designing and integrating defence communications or C4ISR systems.
• Proven ability to work with multi‑disciplinary teams and coordinate regional field activities.
• Strong communication skills to interact with MoD stakeholders and internal partners.

Required skills

• Radio communications technologies.
• MANET waveform expertise.
• C4ISR system architecture.
• Integration of intercom, electronics, software applications and power systems.
• Physical integration into vehicles, shelters, ships, aircraft and UAV platforms.