Jonathan Leesing

Q: What is Jonathan Leesing email address?

Email Jonathan Leesing at jonathan.leesing@navy.mil. This email is the most updated Jonathan Leesing's email found in 2026.

Q: How to contact Jonathan Leesing?

To contact Jonathan Leesing send an email to jonathan.leesing@navy.mil. (updated on September 18, 2024)

IT CYBERSECURITY SPECIALIST (CUSTOMER SUPPORT/INFOSEC) at United States Department of Defense | Katy, Texas, United States

About Jonathan Leesing

Jonathan Leesing is a dedicated IT Cybersecurity Specialist at the United States Department of Defense, where he leverages over eight years of customer service experience to enhance the security and efficiency of critical information systems. His role encompasses a wide array of responsibilities, particularly in managing the day-to-day operations of the token issuance program, which is vital for maintaining secure access to sensitive information across NIPR and SIPR networks. Jonathan's expertise in identity management and cybersecurity allows him to effectively oversee token inventory, issuance tracking, and the meticulous processes involved in certificate issuance and revocation.

In addition to his operational duties, Jonathan plays a pivotal role in developing and refining standard operating procedures (SOPs) for certificate management, ensuring that documentation is not only accurate but also compliant with stringent government regulations. His technical acumen is complemented by a strong foundation in IT security operations, where he provides invaluable advice on the planning and implementation of account management systems and Public Key Infrastructure (PKI).

Jonathan’s customer-focused approach is evident in his ability to communicate complex technical concepts to both government and private sector professionals, fostering collaboration and understanding. His proficiency in quality assurance, technical analysis, and IT security policies enables him to lead training initiatives that enhance the skills of his colleagues, further strengthening the cybersecurity posture of the Department of Defense. With a commitment to excellence and a proactive mindset, Jonathan continues to make significant contributions to the field of cybersecurity, ensuring that the integrity and confidentiality of sensitive information are upheld.

Jonathan Leesing Work