About Sine Engineering
Sine Engineering builds the technology behind reliable drone autonomy, including communication, navigation, and control systems that enable coordinated multi-drone operations at scale. More than 200 UAV manufacturers rely on our technology, and our solutions power many of today's active interceptor operations.
Through our dual-use platform, we support civilian innovation while helping democratic nations strengthen their technological advantage.
Any drone. Any scale. Anywhere.
We build resilient communication, navigation, and coordination systems for the age of autonomy.
The Role
We are looking for an Antenna Design Engineer to join our growing engineering team. In this role, you will be responsible for designing, simulating, testing, and optimizing antenna systems for advanced autonomous platforms and communication solutions.
Responsibilities
Design, simulate, and optimize antennas across multiple frequency bands (100 MHz to 10 GHz).
Perform electromagnetic simulations using industry-standard tools such as CST Microwave Studio.
Build prototypes, conduct measurements, and validate antenna performance in laboratory and field environments.
Collaborate closely with RF, hardware, and mechanical engineers to integrate antennas into compact device form factors.
Prepare technical documentation, test reports, and design guidelines for internal and external stakeholders.
Contribute to innovation initiatives and R&D projects focused on advanced antenna technologies and architectures.
Skills and Requirements
3+ years of experience in antenna design and RF engineering.
Strong expertise in electromagnetic simulation and measurement techniques.
Hands-on experience with various antenna types, including log-periodic, patch, batwing, phased array, and similar designs.
Solid understanding of RF and microwave design principles, including PCB integration.
Strong analytical, debugging, and problem-solving skills.
Nice to Have
Experience with advanced antenna technologies such as beamforming and MIMO systems.
Experience in RF circuit design and simulation.
Familiarity with device certification processes, including CE, FCC, and RED.
Experience with modern EDA tools such as Altium Designer or KiCad.
Experience using Azure DevOps, Jira, or similar project and requirements management tools.
Experience working in an international engineering environment.
What We Offer
Time Off
Paid time off in accordance with Finnish labor legislation.
Health & Wellness Benefits
Lunch Benefit: Daily lunch allowance up to the maximum tax-free limit.
Sport & Culture Benefit: Annual budget for gym memberships, sports activities, cultural events, and hobbies.
Wellbeing Allowance: Additional support for massages, mental health services, and other wellness-related activities.
Extended Occupational Healthcare: Enhanced healthcare coverage, including partial dental care.
24/7 Accident Insurance: Coverage during both work and personal time.
Business Travel Insurance: Comprehensive coverage for all work-related travel.
Office Perks: Complimentary coffee, snacks, fruit, and other office amenities.
Work Environment
No-Crunch Culture: No systematic overtime. Any overtime is compensated in accordance with company policy.
Meeting-Light Culture: Protected focus time with minimal unnecessary meetings.
Low-Hierarchy Environment: High autonomy, strong ownership, and zero micromanagement.
Growth & Innovation
High-End Equipment: Premium laptop, monitor, and peripherals.
Lab & Gadget Budget: Annual budget for hardware, tools, books, and learning materials.
Hackathons & Offsites: Regular events focused on innovation, experimentation, and technology.
Travel & Mobility
Full reimbursement of business travel expenses, including transportation and accommodation.
Daily per diem allowances based on the maximum tax-free rates published by the Finnish Tax Administration (Vero).
Privacy Notice
By applying for this position, you consent to the processing of your personal data for recruitment purposes.
Your personal data will be processed in accordance with the EU General Data Protection Regulation (GDPR) and the Finnish Act on the Protection of Privacy in Working Life.
Application data will be retained for a maximum of six months unless you explicitly consent to a longer retention period.
You may request access to, correction of, or deletion of your personal data at any time by contacting:
Skills Required
- 3+ years of experience in antenna design and RF engineering
- Strong expertise in electromagnetic simulation and measurement techniques
- Hands-on experience with log-periodic, patch, batwing, phased array, or similar antenna designs
- Solid understanding of RF and microwave design principles, including PCB integration
- Strong analytical, debugging, and problem-solving skills
- Experience with beamforming and MIMO systems
- Experience in RF circuit design and simulation
- Familiarity with CE, FCC, and RED device certification processes
- Experience with Altium Designer or KiCad
- Experience with Azure DevOps, Jira, or similar project and requirements management tools
- Experience working in an international engineering environment
What We Do
Sine.engineering empowers UAVs by providing critical functions for manufacturers operating in contested environments. Solutions address the growing challenge of resilient connectivity and navigation in GPS-denied, spectrum-contested scenarios.
