🚆 Some projects are built.

Others leave a mark.

At COMSA Corporación, we have spent more than 135 years being part of projects that transform reality: infrastructure, engineering, and services that are present in people's daily lives.

We are more than 6,000 professionals united by the same way of doing things: with quality, commitment, and a vision for the future.

But what truly defines us goes further...

👉 how we work

👉 how we collaborate

👉 and who we do it with

Behind every project are people who get involved, who provide judgment, and who know that the details make the difference.

That is our way of moving forward. If it aligns with yours, we would be delighted to meet you.

What are we looking for?

We want to add a SITE AND JOINT VENTURE (UTE) ADMINISTRATOR to the team in Santander.

What will your day-to-day look like?

You will join the team to work linked to Joint Ventures (UTEs) and construction sites, participating in accounting, invoicing, treasury, documentation, and administrative coordination tasks with the different stakeholders of the project.

We value both profiles with previous experience in site administration, accounting, or construction, as well as junior profiles with a university degree and an interest in developing and training in this field.

Functions you will develop:

• Registration, monitoring, and control of accounting information for Joint Ventures (UTEs).
• Support in monthly closings, balance sheets, and economic reports.
• Monitoring of treasury, collections, and payments.
• Issuance, review, and monitoring of customer invoicing.
• Support in the preparation and submission of tax obligations.
• Control and review of economic and administrative documentation.
• Coordination with the site, central administration, Joint Venture partners, clients, and suppliers.
• Support in audits, internal reporting, and documentary archiving.

You are the ideal person if you bring....

-Education in Administration and Finance, Business Administration, Accounting, Finance, Business Studies, or similar.

-Previous experience in administration, accounting, invoicing, and document management.

-Experience in a construction, engineering, or installations company, on-site, or with Joint Ventures (UTEs) is highly valued; otherwise, a university degree is required.

-Proficiency in Excel and Office tools.

-Knowledge of SAP is highly valued.

-Availability to travel to sites within the province when necessary.

-An organized, rigorous person with learning capacity and attention to detail.

-Interest in developing in the administrative-accounting field linked to construction projects.

What will you find at COMSA?

🧩 A close-knit team where knowledge is shared and learning happens every day

📈 Continuous training and real growth opportunities

💼 Competitive compensation and a flexible compensation plan

⏰ Work-life balance measures for full-time positions.

Shall we take the next step?

👉 We want to meet you. Apply now and let's start building together.

At COMSA Corporación, we promote diverse, inclusive, and equitable environments, where talent is valued without barriers or labels. We commit to equal opportunities, encourage the participation of women in underrepresented areas, and guarantee objective and fair selection processes.