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Sérgio Mafra Email & Phone Number
Data Engineer
at
Ons - Operador Nacional Do Sistema Eletrico
1 work email found
@ons.org.br
3 phones found area 213 and 212
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 86%
Current company
Role
Data Engineer
Location
Rio De Janeiro, Brazil
Who is Sérgio Mafra? Overview
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Quick answer
Sérgio Mafra is listed as Data Engineer at Ons - Operador Nacional Do Sistema Eletrico, based in Rio De Janeiro, Brazil. AeroLeads shows a work email signal at ons.org.br, phone signal with area code 213, 212, and a matched LinkedIn profile for Sérgio Mafra.
Company email context
Email format at Ons - Operador Nacional Do Sistema Eletrico
This section adds company-level context without repeating Sérgio Mafra's masked contact details.
{first_initial}{last}@ons.org.br
86% confidence
AeroLeads found 1 current-domain work email signal for Sérgio Mafra. Compare company email patterns before reaching out.
Profile bio
About Sérgio Mafra
Sérgio Mafra is a Data Engineer at Ons - Operador Nacional Do Sistema Eletrico. They possess expertise in itil, business intelligence, oracle, leadership, integration and 33 more skills. They is proficient in French, Spanish and English. Colleagues describe them as "I work with Sergio on my team for 5 years and he is working as an specialist for 3 years. Sergio is a outstanding technical professional and with great ability to act in the exploration and analysis of new technologies, contributing positively on aspects of innovation and feasibility of future scenarios in IT." and "Sérgio é um profissional comprometido e alinhado com os objetivos do negócio. É motivado e entusiasmado com as questões e assuntos de TI. Tem excelente relacionamento interpessoal e domina as diversas disciplinas de TI."
Listed skills include Itil, Business Intelligence, Oracle, Leadership, and 34 others.
Current workplace
Sérgio Mafra's current company
Company context helps verify the profile and gives searchers a useful next step.
Ons - Operador Nacional Do Sistema Eletrico
AeroLeads page
1 role
Sérgio Mafra work experience
A career timeline built from the work history available for this profile.
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Data Engineer
FAQ
Frequently asked questions about Sérgio Mafra
Quick answers generated from the profile data available on this page.
What company does Sérgio Mafra work for?
Sérgio Mafra works for Ons - Operador Nacional Do Sistema Eletrico.
What is Sérgio Mafra's role at Ons - Operador Nacional Do Sistema Eletrico?
Sérgio Mafra is listed as Data Engineer at Ons - Operador Nacional Do Sistema Eletrico.
What is Sérgio Mafra's email address?
AeroLeads has found 1 work email signal at @ons.org.br for Sérgio Mafra at Ons - Operador Nacional Do Sistema Eletrico.
What is Sérgio Mafra's phone number?
AeroLeads has found 3 phone signal(s) with area code 213, 212 for Sérgio Mafra at Ons - Operador Nacional Do Sistema Eletrico.
Where is Sérgio Mafra based?
Sérgio Mafra is based in Rio De Janeiro, Brazil while working with Ons - Operador Nacional Do Sistema Eletrico.
What companies has Sérgio Mafra worked for?
Sérgio Mafra has worked for Ons - Operador Nacional Do Sistema Eletrico.
How can I contact Sérgio Mafra?
You can use AeroLeads to view verified contact signals for Sérgio Mafra at Ons - Operador Nacional Do Sistema Eletrico, including work email, phone, and LinkedIn data when available.
What skills is Sérgio Mafra known for?
Sérgio Mafra is listed with skills including Itil, Business Intelligence, Oracle, Leadership, Integration, It Strategy, Cloud Computing, and Business Process.
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