Senior Security Tools Engineer (3 month contract)

  • Mozilla
  • Remote, OR 97458, USA
  • 01 May, 2023

Job Description

Contract Pay Rate: $61/hr - $88/hr

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company behind pioneering brands like Firefox, the privacy-minded web browser, and Pocket, the content discovery platform. More than 270 million people around the world use its products each month.

Along with 20,000+ volunteer contributors and collaborators all over the world, Mozilla Corporation’s staff are driven by our vision to be the trusted guide through a joyful internet. We design, build and distribute software that enables people to enjoy the internet on their terms.


Are you passionate about Security Protections and the Open Web? Do you want your contributions to have a positive impact on the world? Do you want to help advance current browser security architecture to make the web a safer place for our users?

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and restricted. We are looking for a Security Tools Engineer to support the Security Team to advance the way Firefox protects our users.

As a Security Tools Engineer here at Mozilla, you will… 

  • update tools to better support the Mozilla CA Program.
  • convert tools from the TLS-Observatory into Mozilla internal tools.
  • implement tools that automate processes to reduce manual effort.
  • work with a geographically distributed team.
  • communicate openly within Mozilla, the Firefox user base and open source community.

Your Professional Profile 

  • An understanding of core web technologies and fundamental knowledge of cryptographic concepts, the web PKI (Public Key Infrastructure) and TLS (Transport Layer Security)
  • 3+ years experience with programming in Go, Python, Shell, JavaScript, HTML
  • Proven ability to deliver and maintain complex software projects
  • Bachelor's degree in computer science, engineering, or a related program; or equivalent work experience
  • Excellent communication skills. You can validate your decisions and communicate them clearly.

Bonus Points for…

  • Experience collaborating remotely and asynchronously with a geographically distributed team.

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: D