Sr Cybersecurity Engineer

Workday • Reston, CO

2d • Hybrid

About The Position

Your work days are brighter here. We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing people, money, and agents, we’re shaping the future of work so teams can reach their potential and focus on what matters most. The minute you join, you’ll feel it. Not just in the products we build, but in how we show up for each other. Our culture is rooted in integrity, empathy, and shared enthusiasm. We’re in this together, tackling big challenges with bold ideas and genuine care. We look for curious minds and courageous collaborators who bring sun-drenched optimism and drive. Whether you're building smarter solutions, supporting customers, or creating a space where everyone belongs, you’ll do meaningful work with Workmates who’ve got your back. In return, we’ll give you the trust to take risks, the tools to grow, the skills to develop and the support of a company invested in you for the long haul. So, if you want to inspire a brighter work day for everyone, including yourself, you’ve found a match in Workday, and we hope to be a match for you too. About the Team Workday's Offensive Security Team is full of skilled cybersecurity engineers who are passionate about product security...and occasionally breaking things, so they can be fixed again! We are tasked to proactively secure Workday's products, infrastructure, and internal applications. Not only do we regularly assess for security issues through manual and automated penetration testing across all levels of the application stack, but we also conduct advanced offensive security operations including red teaming, purple teaming, vulnerability research, and credentials auditing to simulate real-world threats and identify weaknesses. We collaborate with dedicated Workmates globally and manage Workday's external and internal bug bounty programs, fostering partnerships with our developers and external researchers to uncover and responsibly disclose vulnerabilities. Ultimately, we're driven by a desire to continuously improve Workday's security posture and ensure the highest level of protection for our users. About the Role As a Sr. Cybersecurity Engineer, you will be part of an elite team of security professionals and ethical hackers with deep experience in security engineering. The Workday Offensive Security is looking for a seasoned penetration tester to help us perform security assessments and scale security at Workday. On our team, you will be performing vulnerability assessments against Workday applications, services, and networks, as well as developing security automation and tools. You will be researching new threats and executing creative exploits. If you are a passionate learner, an advocate for security, and are a highly skilled offensive security engineer, then this is the right job for you!

Requirements

• 8+ years of progressive experience in a similar role
• 3+ yrs of experience leading PenTests in one or more areas such as public cloud infrastructure (AWS, Google Cloud), modern web applications, enterprise network assessments, API testing, AI Agentic Redteaming
• 3+ yrs of experience with one or more scripting languages for automation (python, Go, Bash, Ruby, etc.)
• Understanding of modern security best practices such as OWASP Top 10 & MITRE ATT&CK framework
• Knowledge of networking & technology fundamentals and how to attack their weaknesses (TCP/IP stack, Linux, Docker, Kubernetes, Microservice architectures)
• Must have experience with Web Proxy such as BurpSuite, Zap or others

Nice To Haves

• Have one or more industry leading certifications (OSCP, CRTE, CRTO, ARTE, CPTS, etc.)
• Have Bug Bounty submissions experience or have independent research e.g. GitHub projects
• The ability to triage findings and work on remediation plans with partner teams
• Excellent written & verbal communication skills

Responsibilities

• performing vulnerability assessments against Workday applications, services, and networks
• developing security automation and tools
• researching new threats and executing creative exploits

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 5,001-10,000 employees