Mark L.
Network Security Specialist @MBDA
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WORK HISTORY
Network Security Specialist @MBDA
GB
EDUCATION
University of London
First, Computer Science
SKILLS
ABOUT MARK L.
I’m a self-motivated and enthusiastic technology professional with over 20 years’ experience across IP networks, telecoms, software development, and enterprise security. My career has always combined a strong open-source foundation with hands-on work in complex, mission-critical environments — from universities and the NHS in the ISP/MSP sector, through to large-scale enterprise networks today.In recent years my focus has shifted strongly toward network security and Cisco technologies. I’ve worked extensively with Cisco Firepower, Identity Services Engine (ISE), Software-Defined Access (SDA), and Application Centric Infrastructure (ACI), as well as Palo Alto Networks firewalls, designing and delivering secure solutions that support both enterprise operations and regulated industries.Alongside this, I bring deep experience in Linux, Kubernetes, Docker, Java (Spring), and cloud platforms (AWS/GCP), with a strong record in VoIP, backend systems, and secure IP networking (BGP, Juniper, openSIPS/Kamailio, Asterisk).I’m often relied upon as a technical SME, but I also thrive in collaborative settings — combining problem-solving, enthusiasm, and a positive approach to deliver results.
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