At DraftKings, AI is becoming an integral part of both our present and future, powering how work gets done today, guiding smarter decisions, and sparking bold ideas. It's transforming how we enhance customer experiences, streamline operations, and unlock new possibilities. Our teams are energized by innovation and readily embrace emerging technology. We're not waiting for the future to arrive. We're shaping it, one bold step at a time. To those who see AI as a driver of progress, come build the future together. The Crown Is Yours 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. What You'll Do - 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. What You'll Bring - 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. Join Our Team We're a publicly traded (NASDAQ: DKNG) technology company headquartered in Boston. As a regulated gaming company, you may be required to obtain a gaming license issued by the appropriate state agency as a condition of employment. Don't worry, we'll guide you through the process if this is relevant to your role. The US base salary range for this full-time position is 136,000.00 USD - 170,000.00 USD, plus bonus, equity, and benefits as applicable. Our ranges are determined by role, level, and location. The compensation information displayed on each job posting reflects the range for new hire pay rates for the position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job-related skills, experience, and relevant education or training. Your recruiter can share more about the specific pay range and how that was determined during the hiring process. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.