Sebastian Dewar

Seb has over 25 years of experience working with a broad range of mainframe technologies. He began his career as a z/OS systems engineer with large French organizations, including Credit Agricole (France’s largest bank) and La Poste. He held successively responsible z/OS infrastructure and application development positions throughout his career in the banking and financial services industry. Seb joined Virtel in 2015 as technical support manager and later assumed the role of Virtel CTO, overseeing all technical aspects of the Virtel suite of mainframe access, usability and integration products.
Is Your Mainframe Access Layer Ready for DORA?  If you have questions about DORA compliance, Zero Trust architecture for mainframe environments, or how a centralized approach can reduce your exposure surface, our team at Virtel welcomes the conversation. If you’re ready to move from DORA compliance on paper to DORA compliance in practice, reach out today.