AppSec - Secrets Management Specialist

Vanguard•Malvern, PA

11d•Hybrid

About The Position

Global Risk and Security (GR&S) at Vanguard enables business strategy, protects client and Vanguard interests (e.g., assets and data), and stewards a strong risk culture. Our teams leverage enterprise-wide insights, deep expertise, and trusted advice so that across Vanguard leaders and crew drive faster, stronger, risk-informed decisions. Within GR&S, the Enterprise Security and Fraud (ES&F) sub-division is responsible for the global protection of Vanguard crew, property, data, and client assets. We are the trusted advisors that protect the pride of Vanguard with state-of-the-art security and fraud capabilities. We are a world-class destination of highly engaged, passionate, and diverse talent expected to continuously learn and develop in an ever-changing security landscape. Our crew are our greatest resource – by joining our team you will build collaborative long-term relationships and enjoy a suite of benefits that includes comprehensive health and wellness care, work-life balance, and an investment in your future at its core.

Requirements

Experience in Application Security, DevSecOps, IAM, Cloud Security, or Security Operations.
Familiarity with GitHub, GitHub Advanced Security (GHAS), Secrets Scanning, and CI/CD platforms.
Understanding of cloud credentials, API tokens, certificates, service accounts, and privileged access concepts.
Knowledge of secure SDLC practices and software supply chain security principles.
Experience with scripting and automation using Python, PowerShell, JavaScript, or similar technologies.
Strong analytical, communication, and stakeholder management skills.
Ability to work cross-functionally with engineering, IAM, platform, and security teams.

Responsibilities

Investigate, validate, and triage exposed credentials, API keys, tokens, certificates, and other sensitive secrets using risk-based prioritization.
Partner with application teams to drive timely remediation, credential rotation, revocation, and secure replacement of exposed secrets.
Support the implementation and administration of GitHub Advanced Security (GHAS) Secret Protection, push protection, custom detection patterns, and enterprise scanning controls.
Define, document, and maintain secrets classification standards, severity models, response procedures, and governance processes.
Collaborate with IAM and platform teams to improve credential lifecycle management practices, including vault adoption, rotation controls, and privileged access management integration.
Develop dashboards, metrics, and reporting to measure secrets exposure trends, remediation effectiveness, SLA performance, and program maturity.
Support exception management workflows, bypass approvals, evidence collection, and audit readiness activities for secrets-related controls.
Work with engineering, AppSec, and security advisor teams to identify recurring exposure patterns and improve preventive controls.
Create developer-facing guidance, training materials, and best practices to promote secure secrets handling throughout the SDLC.
Identify automation opportunities through APIs, workflows, and AI-assisted capabilities to streamline detection, triage, ownership mapping, and remediation processes.
Participate in on-call support and incident response activities involving exposed credentials, credential abuse, and software supply chain security events.