Principal SaaS Security Engineer

Overview

Principal SaaS Security Engineer - Hybrid - Boston. Onshape is a next-generation, global Software-as-a-Service (SaaS) product development platform. The role focuses on security operations and continuous monitoring of our commercial and US government cloud environments, with emphasis on FedRAMP Moderate, ITAR / EAR requirements, and NIST SP 800-53 controls.

Key Responsibilities

• Continuous Monitoring and Compliance :
• Lead the planning, implementation, and reporting of all FedRAMP continuous monitoring (ConMon) activities.
• Manage and submit monthly ConMon deliverables, including vulnerability scan results, Plan of Action and Milestones (POA&M) updates, and incident reports to the FedRAMP PMO, agency sponsor, and internal stakeholders.
• Ensure all documentation, such as the System Security Plan (SSP), is kept up-to-date and accurately reflects the current security posture.
• Security Engineering and Automation :
• Evaluate, deploy, and configure security tools and services in a large-scale, public cloud environment (100% AWS) to deliver a FedRAMP Moderate compliant service.
• Develop and manage defensive security tool rules, alerts, and dashboards to proactively detect threats and anomalies.
• Incident Response :
• Serve as a senior responder for security incidents within the FedRAMP authorization boundary.
• Lead incident response efforts, from initial triage and containment to mitigation and recovery.
• Ensure all incidents are reported in accordance with FedRAMP Incident Communications Procedures.
• Conduct post-mortem analysis of security incidents to identify root causes, implement defensive measures, and improve the incident response process.
• Threat and Vulnerability Management :
• Oversee comprehensive vulnerability management, including authenticated and unauthenticated scanning of systems, databases, containers, and web applications.
• Track and manage the remediation of vulnerabilities according to FedRAMP timeliness requirements (e.g., High-risk findings within 30 days).
• Implement and manage Intrusion Detection / Prevention Systems (IDPS) and host-based security systems to protect the system boundary and monitor for threats.
• Collaboration and Team Player :
• Act as a technical leader, mentoring junior engineers and promoting security best practices across engineering and operations teams.
• Collaborate with 3PAOs during annual assessments and audit readiness activities.
• Partner with other technical stakeholders to provide security expertise and ensure solutions align with compliance requirements.

Required Qualifications

Work Environment

The candidate may be required to participate in an on-call rotation to respond to security incidents. The SecOps Engineer position will be a member of the Onshape Technical Operations team within Onshape Engineering, collaborating with other teams to deliver a reliable, secure service. PTC is an Equal Opportunity Employer and values diverse identities, cultures, and perspectives.

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