About us
We are a
market leader in Artificial Intelligence
applied to the transportation sector, developing cutting-edge technology that is shaping the future of mobility and logistics.
With over 38 years of experience, SISCOG
develops
advanced decision-support systems
for the planning and management of transport operations — including scheduling, crew management, fleet optimization, and dispatching — used by major rail and metro operators across Europe and North America. We are a
reference in our field
, both nationally and internationally.
Since 2025 we have been part of
Modaxo/CSI Group
, a global collective of transport-focused technology companies, bringing us international exposure and ambitious growth opportunities while maintaining our strong innovation-driven culture and technical excellence.
About the Role
To support our financial operations and contribute to our continued growth, we are looking for a motivated and detail-oriented
Certified Accountant,
with strong
Controlling
skills
, to join our team in Lisbon and support the CFO in the financial management of such a dynamic and fast-growing company, specialized in AI-powered software solutions and operations excellence.
This is an
excellent opportunity
for an ambitious accounting professional who wants to go beyond traditional finance work, contributing to the backbone of a business that combines cutting-edge technology, innovation, and operational impact. If you are passionate about finance, thrive in a modern data-driven environment, and
want to grow your career alongside senior leadership
, we would love to meet you.
Key responsibilities
* Ensure full compliance with local
accounting
,
tax
, and
legal
obligations
* Execute
day-to-day accounting activities
, general ledger entries
* Prepare monthly, quarterly, and annual
financial closings
according to Portuguese GAAP (SNC) and Group-level requirements (IFRS)
* Prepare monthly
financial reports
for local management and group headquarters (HQ)
* Lead and
improve internal control
and financial reporting processes
* Assist in
budget
preparation, forecasting, variance analysis, and management reporting
* Support
management
in strategic decision-making through financial analysis and KPIs
* Collaborate closely with the
group's finance team
(English-speaking environment)
* Liaise with
statutory
auditors
, external consultants, and regulatory entities
Profile
* Certified Accountant
in Portugal (OCC membership required)
* Degree in Accounting, Finance, Management, or related field
* Minimum of
5 years' experience
in similar roles, ideally in an international or group context
* Strong knowledge of Portuguese GAAP, tax obligations, and solid understanding of IFRS
* Hands-onexperience with
ERP System NetSuite is highly valued
* Strong track record in
Controlling
: budgeting, forecasting, variance analysis
* Fluent in
English
(high communication with group HQ)
* Proficient in MS Office, particularly Excel (experience with Power BI is a plus)
* Strong analytical mindset, critical thinking, and attention to detail
* High sense of responsibility, autonomy, and initiative - proactive in improving processes
What we offer
* A unique opportunity to work in a company at the forefront of
artificial intelligence and operations excellence
* Integration into a
solid and growing Group
, with a dynamic and collaborative environment
* Direct exposure to
strategic decision-making
alongside the CFO and leadership team
* Health insurance
for you & your family
* Extended holidays period (25 days)
* Access to multiple corporate partners with discounts & benefits
* At the Office - fruit and coffee, available all day to keep energy levels going
Join us & OPTIMISE YOUR CAREER