Mark S.
Principal Security Strategist @Cloud Software Group
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WORK HISTORY
Principal Security Strategist @Cloud Software Group
Reading, GB
Advising Citrix customers, partners, and internal sales teams on secure, unified access to applications from any device—integrating Enterprise Browser, Citrix Secure Private Access (SPA), and Citrix Cloud across both physical and virtual desktop and application environments.Developing and executing Zero Trust Network Access (ZTNA) strategies, driving adoption of Citrix Secure Private Access and Secure Application Access solutions to enhance security and user experience.Designing and advising on Enterprise Browser strategies (Chrome Enterprise Premium and Citrix Enterprise Browser) to enable secure SaaS and private app access with granular policy and traffic controls.Providing executive advisory to CISOs, CIOs, and CTOs on aligning application delivery and security with business objectives, risk management frameworks, and digital transformation initiatives.Architecting secure application delivery frameworks that integrate Citrix NetScaler (ADC), ZTNA principles, and identity providers such as Microsoft Entra ID, Okta, and Google, to enforce adaptive, context-aware access policies.Driving remote access transformation initiatives by unifying network security, data loss prevention, and browser security into cohesive Zero Trust strategies.Leading proofs of concept and pilot deployments to demonstrate the business value of modernized access controls—enhancing regulatory compliance (HIPAA, PCI, GDPR) while improving end-user productivity and experience.Delivering executive-level threat landscape briefings on SaaS security, insider risk, and advanced threat mitigation strategies.Championing secure hybrid work enablement, combining Citrix Secure Private Access, Chrome Enterprise Browser, and virtualized workspaces to support contractor, BYOD, and third-party access scenarios.Collaborating with Google Chrome product teams to shape and drive Enterprise Browser adoption strategies, including feature development and roadmap enhancement.
EDUCATION
Queen's University Belfast
MSc, Computer Aided Design
Queen's University Belfast
BEng Hons 2(I), Mechanical Engineer
ABOUT MARK S.
Cybersecurity leader with 20+ years of experience in consultative selling, sales engineering, and technical account leadership across security, observability, cloud, data protection, and secure access solutions. Proven track record of aligning business goals with value-based technology solutions that reduce risk, support compliance, accelerate sales cycles, and deliver measurable outcomes. Experienced in working with executive stakeholders, customers, partners, and cross-functional teams to design and position solutions across Zero Trust, SIEM, UBA, SOAR, DSPM, DLP, SaaS/IaaS security, business continuity, and hybrid cloud environments. Passionate about building trusted relationships, leading with business value, and helping organisations modernise securely.
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