Senior DevSecOps Engineer

BillionToOne is a next-generation molecular diagnostics company dedicated to developing powerful and accurate diagnostic tests that are accessible to all. Our innovative QCT molecular counting technology significantly enhances the resolution of disease detection using cell-free DNA by over a thousandfold. This groundbreaking technology is integral to our product offerings, including one of our flagship products, Unity Complete™, the only non-invasive prenatal screen capable of assessing fetal risk for both common recessive conditions and aneuploidies from a single maternal blood sample. Leveraging the same molecular counting technology, we've expanded our impact into oncology in 2023 with a pioneering liquid biopsy test, Northstar, that combines treatment selection with monitoring. To date, over 500,000 patients have benefited from our innovative and precise diagnostic tests, and our Annual Recurring Revenue (ARR) has grown from $0 to $125 million in the last ~4 years.

BillionToOne has successfully raised close to $400 million in funding, with a notable $130 million Series D round completed in June 2024, resulting in a company valuation of over $1 billion. This funding has come from prestigious global institutional investors, including Hummingbird, Adams Street Partners, Neuberger Berman, Baillie Gifford, and Premji Invest. BillionToOne has recently been recognized by Forbes as one of America's Best Startup Employers for 2024, highlighting the company's exceptional work environment and commitment to innovation.

Our team has grown significantly and we now proudly employ over 400 highly skilled individuals. Despite substantial growth, we have successfully maintained the unique culture that has defined BillionToOne from inception, continuing to cultivate a team that is not only diverse and passionate but also innovative. Headquartered in Menlo Park, California, with an additional facility in Union City, California, BillionToOne remains at the forefront of significant advances in molecular diagnostics, evidenced by the recent announcement of clinical outcomes data for its Unity Fetal Risk Screen and new advancements in cancer diagnostics. For more detailed information about BillionToOne and its groundbreaking work, please visit our website at www.billiontoone.com.

We are seeking a highly skilled Senior DevSecOps Engineer to help us integrate security practices within our DevOps pipeline while managing and developing secure, scalable solutions on Amazon Web Services (AWS). The ideal candidate will have a strong background in both security and system administration, with expertise in cloud infrastructure, particularly AWS, and the ability to automate security controls, monitor vulnerabilities, and implement secure coding practices across the entire software development lifecycle. You will work closely with development, operations, and security teams to ensure that our products and infrastructure are secure, resilient, and compliant.

Key Responsibilities:

• Support Day to Day Operations: Including user account management, system troubleshooting and monitoring.
• Security Integration: Integrate security practices into the development lifecycle, ensuring that security is baked into the code from the start.
• AWS Management & Development:
• CI/CD Pipeline Security: Work closely with DevOps teams to implement and secure continuous integration and continuous deployment (CI/CD) pipelines on AWS, ensuring security in every stage from development to production.
• Infrastructure As Code (IAC) and Developer Support: Collaborate closely with development teams to provide guidance on best practices for secure software development, containerization, and deployment.  Automate infrastructure provisioning and management using Infrastructure as Code (IaC) tools such as Terraform, AWS CloudFormation, or Ansible. Ensure infrastructure is defined, versioned, and secured according to best practices.
• Collaboration: Collaborate with development, operations, and security teams to define and implement security best practices, policies, and procedures.
• Incident Response: Assist in incident detection, analysis, and response efforts, helping to identify and resolve issues quickly.
• Compliance & Governance: Ensure that AWS environments comply with industry regulations and internal security policies (e.g., GDPR, HIPAA, PCI DSS) using AWS security and compliance tools (e.g., AWS Config, GuardDuty, CloudTrail).
• Monitoring & Logging: Develop and maintain security monitoring tools and dashboards on AWS (e.g., CloudWatch, CloudTrail) to track security incidents, vulnerabilities, and system performance.

Qualifications:

• Bachelor’s degree
• 6-10 years of DevSecOps or related industry experience
• Technical skills, knowledge and experience to accomplish work with minimal oversight
• Demonstrated ability to effectively communicate verbally and in writing
• Clearly and concisely express multifaceted concepts
• Develop ideas in a logical sequence leading to a validated conclusion
• Utilize version control tools like GIT, Bitbucket, SVN or CVS
• Experience with network infrastructure, database, cloud and data center operations, and security protocols.
• Strong knowledge of Linux and Windows OS
• 2+ years of experience with AWS and/or other cloud services. (AWS Certifications are a plus)
• Experience with programming and scripting languages like Python
• Excellent problem-solving and troubleshooting skills
• Strong communication and collaboration abilities

Benefits And Perks:

• Working with a team of ‘rockstars’ who bring out the best in everyone
• Open, transparent culture that includes weekly Town Hall meetings
• The ability to indirectly or directly change the lives of hundreds of thousands patients
• Multiple medical benefit options; employee premiums paid 100% of select plans, dependents covered at 80%
• Extremely generous Family Bonding Leave for new parents (16 weeks, paid at 100%)
• Retirement savings program including a 4% Company match
• Free daily on-site lunches provided from top eateries
• Latest and greatest hardware (laptop, lab equipment, facilities)
• A variety of perks on campus (state of the art gym, restaurant)
• Free on-site EV charging (compatible with all EVs, including Tesla)

At BillionToOne, we are proud to offer a combination of a (1) base pay range (actual amount offered is based on experience and salary/equity options split that the candidate chooses), (2) generous equity options offering, (3) corporate bonus program, on top of (4) industry leading company benefits (free healthcare options, 401k match, very generous fully paid parental leave, etc.).

For this position, the base pay range is: $160,000-$180,000per year. 

BillionToOne is an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.