Purchasing Specialist

About Sine Engineering

Sine Engineering builds the technology behind reliable drone autonomy, including communications, 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.

About the Role

We are looking for a proactive Purchasing Specialist to develop and manage our Finland office’s end‑to‑end procurement activities from creating purchase orders and validating supplier confirmations to ensuring timely deliveries and resolving shortages. You will maintain daily communication with suppliers, support onboarding and RFQ processes.

What we need is a strong procurement professional who will thrive in a global role with a lot of independence and responsibility, with the potential to grow into team leadership.

In this position you will be building the procurement process in Finland together with your international colleagues and manager. Your colleagues and stakeholders are spread across several countries, so you'll work in an international collaboration setup, but you will as well work closely with our Engineering and Finance teams, so you should have a good understanding of the Finnish procurement field.

With us you'll learn, develop, and grow right alongside a fast-moving global company. Because this is a key role in Finland, it is also an opportunity to develop something new, and a possibility grow into a leadership position.

Location: Tampere, on‑site, full‑time, permanent position

Key responsibilities

• Create and manage purchase orders (POs) based on MRP, requisitions, or project needs

• Validate order confirmations: prices, delivery dates, quantities

• Follow up with suppliers to ensure on-time delivery

• Resolve delivery delays, shortages, and discrepancies.

• Follow up with warehouse team to have proper receiving within WH

• Maintain day-to-day communication with suppliers

• Support onboarding new suppliers by collecting documents and coordinating approval flows

• Request quotes (RFQs) and compare proposal

• Provide purchasing support during new product development (NPI)

• Support engineering changes (ECR/ECO) by updating suppliers and adjusting POs

What we require

To succeed in this role, you should have:

• Good knowledge of Finnish procurement process, limitations and constraints

• Good understanding of purchasing processes (RFQ, RFI, POs, contracts, and incoterms)

• Supplier management skills (evaluation, onboarding, performance tracking)

• Cost analysis skills like ability to compare quotes, calculate landed cost, evaluate TCO

• Knowledge of ERP/MRP systems (SAP, Oracle, Dynamics, etc.)

• Basic contract understanding like payment terms, delivery terms, warranty clauses etc.

• Strong ability to analyze prices, trends, and delivery performance

• Proficiency with Excel (VLOOKUP/XLOOKUP, pivot tables, data validation)

• Understanding demand planning and how it impacts purchasing

• English: B2 or higher

What we see as a plus

• Experience working at EMS factories

• Highly adaptable mindset with the ability to navigate ambiguity, embrace change, and solve problems beyond previous experience

What We Offer

Paid Time Off

The Employee is entitled to an annual holiday 4 + 1 weeks from the start

Health & Wellness Package

• Lunch Benefit: daily lunch allowance up to the tax‑free limit as a fringe benefit.

• Sport & Culture: annual budget for gyms, sports activities, cultural events, and hobbies.

• Wellbeing Allowance: additional allowance for massage and other wellness support.

• Extended Occupational Healthcare: enhanced coverage including partial dental care.

• Accident Insurance (24/7): full coverage for accidents during both work and free time.

• Business Travel Insurance: coverage for work‑related travel.

• Snacks & Office Comforts: coffee, snacks, fruits and other office perks.

Work Model

• Flexible Working Hours: core hours from 10:00 to 15:00.

• No‑Crunch Policy: no systematic overtime; overtime is compensated or reimbursed.

• Meeting‑Light Culture: protected focus time and minimal unnecessary meetings.

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 internal events focused on innovation and technology.

Travel & Mobility

• Business Travel Expenses: full coverage of tickets, accommodation, and transportation.

• Per Diem (Vero Max): daily allowances according to the maximum tax‑free Vero rates.

Impact & Culture

• Low‑hierarchy, engineering‑driven environment with strong autonomy and zero micromanagement.

Culture Statement

Don’t meet every requirement? Research shows that many candidates hesitate to apply unless they meet every qualification. At Sine Engineering, we value authenticity and encourage you to apply even if your experience doesn’t perfectly match every listed requirement. You might be the ideal candidate for this role- or for another opportunity with us.

Join our dynamic team and play a key role in shaping the future of UAV technology.

Privacy Notice

By applying for this position, you consent to the processing of your personal data for recruitment purposes.

Your data will be handled in accordance with the EU General Data Protection Regulation (GDPR) and the Finnish Act on the Protection of Privacy in Working Life. We will retain your application data for up to 2 years, unless you consent to a longer retention period.

You may request access, correction, or deletion of your data at any time by contacting: privacy@sineeng.com