Mosaic Transmit Security Engineer (Full time), US citizens and Green card holders only

Company DescriptionTimebox Pro is an expert-led technology and transformation partner that helps organizations translate complex challenges into clear, measurable outcomes. Founded in 2020, the company works alongside leadership and technology teams as an extension of their organization, providing structure, expertise, and disciplined execution. Timebox Pro’s capabilities span strategic advisory, expert tech solutions, and project & portfolio management, with a focus on cloud, AI, infrastructure modernization, and operational excellence. The team is known for combining strategic insight with hands-on delivery, guiding clients from vision through practical implementation. Timebox Pro’s mission is to help organizations scale intelligently, reduce complexity, accelerate transformation, and deliver tangible business results.Role DescriptionThe Mosaic Transmit Security Engineer is a full-time, on-site role based in Parsippany, NJ. In this position, you will design, implement, and maintain security controls for Mosaic Transmit platforms, ensuring secure application and data flows across enterprise environments. You will perform security assessments, monitor and analyze security events, and collaborate with engineering, infrastructure, and operations teams to remediate vulnerabilities and improve security posture. Daily responsibilities include developing and reviewing security architectures, supporting incident response activities, maintaining documentation for security standards and configurations, and aligning solutions with organizational policies and regulatory requirements. You will also contribute to continuous improvement by recommending new tools, processes, and best practices to strengthen overall cybersecurity resilience.QualificationsStrong application security skills, including secure design, code review, and protection of data in Mosaic Transmit and related systems.Network security expertise with experience in firewalls, VPNs, segmentation, intrusion detection/prevention, and secure network architecture.Broad cybersecurity knowledge covering threat modeling, vulnerability management, incident response, and security monitoring.Security engineering experience in designing, implementing, and automating security controls and integrations across infrastructure and applications.Information security skills in policy development, risk assessment, compliance frameworks, and governance practices.Bachelor’s degree in Computer Science, Information Security, Engineering, or a related field, or equivalent practical experience.Relevant certifications such as CISSP, CISM, CEH, GIAC, or similar are beneficial.Hands-on experience with enterprise security tools (SIEM, endpoint protection, identity and access management) and secure cloud or hybrid environments.Ability to work collaboratively with cross-functional teams, communicate complex security topics clearly, and document technical solutions effectively.Experience supporting large-scale transformation or modernization initiatives is a plus.US Citizens and Green card holders only.