Senior Platform Security Engineer, Threat Detection at CircleCI

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CircleCI is hiring a Senior Platform Security Engineer, Threat Detection to join our Security Team. This role will investigate all types of threats in the CircleCI Cloud environment by conducting behavioral analysis during builds, assessing network traffic behavior, staying up to speed on malware trends, work proactively with third-party partners combating platform abuse, build metrics that establish benchmarks future work is measured against, and respond to incidents. Their primary duty is to identify users who are using CircleCI in ways that are against our Terms of Service and compliance requirements.

A typical day could include analyzing customer configuration code, consulting with legal, examining our system for evidence of new exploits, reverse engineering them and building tools to detect and protect us from them.

The Security team is a highly-distributed team that’s building a paved security path so our team of roughly 200 engineers can ensure our infrastructure provides value to legitimate customers. You'll write sustainable, resilient code as part of an engineering organization that values teamwork, trust, and learning.

Be part of a team at the heart of CircleCI’s business responsible for build environments used by thousands of development teams every day!

What You’ll Do:
  • Establish a refined culture of security observability and monitoring
  • Partner with Security Operations, Product, Legal and Platform Security Engineering
  • Write and maintain sustainable, high-quality, high-performance code for infrastructure and security automation
  • Reverse engineer malware
  • Build tooling to analyze new open source code that CircleCI is processing
  • Research and understand the landscape of cryptomining malware
  • Identify entry points malware utilize for our product’s free tier
  • Participate in the Security Team’s on-call incident rotation
  • Respond to bug emails submitted by security researchers and work on remediation
About You:

You value and know the importance of developing, documenting and educating others on best practices and processes for achieving goals. Learning something new every day is essential to your happiness. Mentoring is a primary reason why you love your profession. You are compassionate and genuinely like people. You love looking at obfuscated source code, solving difficult detection problems, thinking about how to make the game of malware not worth playing for your adversary, and discovering innovative abuses of everyday tools.

Does that sound like you? If so, here’s the experience we’re looking for:

  • Security mindset and strong analytical skills
  • Understanding of malware architecture, torrents, cryptomining, botnets, DDOS and other automated use against our terms of service
  • 5+ years experience researching malware and/or programmatic abuse of cloud environments
  • Excellent communication skills and ability to remain Calm under high-pressure situations
  • Experience working with Docker, Kubernetes, Terraform, Helm, AWS, and modern distributed SaaS infrastructure
  • A willingness to learn new languages. We use Clojure, Go and TypeScript and our customers use almost every language under the sun
  • Web, database, information and/or infrastructure security
  • A focus on delivering high-quality code through strong testing practices
  • Ability to manage customer demands and work with internal stakeholders to deliver on them
  • Demonstrated ability to lead multiple, complex projects simultaneously
About CircleCI

CircleCI is the world’s largest shared continuous integration and continuous delivery (CI/CD) platform, and the central hub where code moves from idea to delivery. As one of the most-used DevOps tools that processes more than 1 million builds a day, CircleCI has unique access to data on how engineering teams work, and how their code runs. Companies like Spotify, Coinbase, Stitch Fix, and BuzzFeed use us to improve engineering team productivity, release better products, and get to market faster.

CircleCI is proud to be an Equal Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law.

#LI-MA1

Level: Mid-Senior Level

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Technology we use

  • Engineering
  • Sales & Marketing
    • GolangLanguages
    • ClojureLanguages
    • ReactLibraries
    • SalesforceCRM
    • MarketoLead Gen

Location

Downtown Denver, North Capitol Hill area. Your favorite coffee shops and restaurants are all steps from the office, as well as transportation lines.

An Insider's view of CircleCI

What’s the vibe like in the office?

The Denver office is collaborative, ambitious and exciting. We are located downtown near a bunch of fun bars and restaurants. Everyone comes into the office everyday looking forward to the challenge at hand, which is refreshing to start your day with!

Nick

Commercial Account Executive

How do you collaborate with other teams in the company?

Building a business in which collaboration is a cultural norm is a team sport! Slack and video chats with team leaders and team members alike, I find the frequent sharing of our best ideas and insights really encourages team players, gains support for critical initiatives, and provides a level of trust to converse openly about difficult issues.

Jessica

Senior Manager of Account Based Marketing

What makes someone successful on your team?

Our team and office culture is so engaging. It’s awesome to be in a place where we’re actively curious about what other roles in the company do and what their challenges are. That reinforces two core attributes of successful sales executives that are curiosity and passion for both our customers and our peers.

Brandon

Sales Manager

How do you empower your team to be more creative?

Through cultivating open and honest communication. I encourage my team to voice their ideas, think outside of the box, and to take ownership to find creative solutions to resolve customer issues.

Becky

Senior Manager, Customer Success

How do you make yourself accessible to the rest of the team?

Everyone on the team and the company can and will reach out to me. I also attend weekly stand-ups in our Denver office, regularly ask for feedback in our team slack channels, and stay in touch with managers and ICs when it comes to deals, problems, etc.

Chris

VP of Sales

What are CircleCI Perks + Benefits

Culture
Friends outside of work
Eat lunch together
Daily sync
Open door policy
Team owned deliverables
Team based strategic planning
Group brainstorming sessions
Pair programming
Open office floor plan
Diversity
Dedicated Diversity/Inclusion Staff
Highly diverse management team
Unconscious bias training
Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
Disability Insurance
Dental Benefits
Vision Benefits
Health Insurance Benefits
Life Insurance
Pet Insurance
Retirement & Stock Options Benefits
401(K)
Company Equity
Child Care & Parental Leave Benefits
Remote Work Program
Vacation & Time Off Benefits
Unlimited Vacation Policy
Paid Holidays
Paid Sick Days
Perks & Discounts
Casual Dress
Commuter Benefits
Company Outings
Free Daily Meals
Stocked Kitchen
Happy Hours
Professional Development Benefits
Diversity Program
Promote from within
Continuing Education stipend
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