Senior Security Engineer, Software

As a Senior Security Engineer, you will help shape how we build and scale secure systems across DraftKings, working closely with security engineers and developers to embed secure by default into everything we ship while owning key areas of security functionality and turning strategy into scalable solutions. You bring deep technical expertise, a builder’s mindset, and the ability to influence how we approach security across the business, all while collaborating with a global, cross disciplinary team that moves fast, supports one another, and values every perspective from day one.

• Design and evolve our secure development lifecycle (SDLC), building the rules, processes, and platforms that keep our systems resilient.
• Build and integrate custom and off-the-shelf security tools to automate vulnerability detection across applications and infrastructure.
• Act as a subject matter expert on our SDLC, partnering with Detection and Response (DART) to strengthen investigation capabilities.
• Lead and influence remediation of complex, cross-functional security issues across teams and systems.
• Stay ahead of the threat landscape—identifying risks, tools, and mitigation strategies that keep our platforms secure at scale.
• Share knowledge, mentor teammates, and help build a culture where security is a shared responsibility.

• 5+ years of engineering experience building and operating production systems with a security-first mindset.
• Strong coding experience in one or more languages; .NET experience is a plus.
• Broad technical depth across systems, operating systems, file systems, networking, cloud security, and automation.
• A genuine drive to protect the privacy and security of our players and teammates.
• Clear, thoughtful communication skills and a collaborative approach to solving complex challenges.
• The ability to prioritize, adapt, and deliver in a fast-moving, high-impact environment.

• Health Benefits: Comprehensive health benefits, including various medical plans, dental, and vision.
• Wellbeing Program: Free access to programs such as free therapy sessions with Lyra Mental Health Solution, Lyra Employee Assistance Program, the Calm App, Virtual Yoga Classes, and many more.
• Parental Leave & Support: 14 weeks of 100% paid parental leave to all global team members and offer workplace lactation support. Partner with Care.com for care finder and backup childcare.
• Family Planning: Benefits supporting adoption, surrogacy, fertility treatments, or other family planning.
• Flexible PTO: Flexible Paid Time Off for employees in the United States.
• Pet Insurance: Help save on vet expenses for accidents, illnesses, and more.
• Gym Reimbursement: Reimburse part of your gym membership once enrolled in a health insurance plan.
• Financial Planning: 401(k) matching and programs such as Origin Financial.
• Commuter Benefits: Access to commuter benefits to help save money on daily commute.
• Tuition Reimbursement: Tuition reimbursement for educational courses related to their positions or another position at DraftKings.