Plan, implement, monitor, and troubleshoot internal information technology security policies, application security, access control, and corporate data safeguards. Analyze and define security requirements for local and wide area networks. Perform network scanning and vulnerability assessments. Update secure configurations by routinely reviewing vendor sites, bulletins, and notifications for security information. Recertify application, platform, and server security periodically. Provide technical advice on access control, security models, disaster recovery, business continuity planning, and security awareness training.