Threat Researcher

About GreyNoise

GreyNoise Intelligence is a mission driven security startup focused on helping organizations understand and mitigate risks from Internet scanning and exploitation. GreyNoise provides real-time, verifiable intelligence on all actors scanning the Internet and how some of them are attempting to exploit vulnerabilities on assets connected to corporate networks. The intelligence is highly trusted because it’s generated from a global fleet of thousands of purpose built sensors observing the Internet. Advanced data science techniques and AI are used to process millions of observed events into real-time intelligence for customers.

The GreyNoise Global Observation Grid observes and analyzes unique threat data at-scale that no one else can. GreyNoise provides the most actionable threat intelligence against perimeter threats, so that no attack works twice.

All US based positions are fully remote within the US, with optional office attendance at our DC area headquarters, unless otherwise specified. Applicants must have US work authorization. 

Please see the specific job description for all international position locations.

The Role

GreyNoise is hiring a Threat Researcher who will develop and exploit first, second, and third-party access and sources to produce cyber threat intelligence that practitioners will use to detect, disrupt, and impose cost on adversaries.

Responsibilities:

• Hypothesis and lead driven hunting through existing first-party data and telemetry to identify, analyze, and expose new and novel malicious cyber activity and campaigns
• Cluster, track, attribute, research, and disrupt malicious cyber threats
• Develop and integrate new intelligence information, data sources, tools, systems, and tradecraft to produce a more comprehensive threat picture
• Produce and disseminate actionable intelligence to customers and the public

Required Skills

• Deep understanding of computer networking fundamentals and protocols
• Deep technical ability to hunt through network traffic (full PCAP) at the macro and packet level
• Deep technical skills with offensive tooling, tradecraft, and exploitation methodologies against network edge devices
• Experience in open and commercial source intelligence research (public blogs, commercial data sets, etc)
• Experience with hardware and embedded systems
• Experience with query languages (such as SQL)
• Experience producing and tuning detection rules (such as Suricata, YARA, etc)
• Experience with binary analysis and reverse engineering
• Experience with cyber threat intelligence frameworks and analytical tradecraft
• Experience tracking and analyzing analyzing threats using graph-based analysis tools (e.g., Synapse)
• Experience using AI (prompt engineering, harness engineering, etc)
• Experience presenting at relevant security and intelligence community conferences

A Few of our GreyNoise Labs Principles

• Honesty
  • Put your best understanding of the truth first in all that you do.
• Decency
  • Treat yourself and others with respect.
• Opinions
  • Frame opinions using data or experience; they are still opinions.
• Computers
  • Computers are cool, but that doesn’t mean you won’t hate them.

Benefits

Equity in a high-growth, Series-A startup

100% covered health, dental, vision, and life plans for all employees

6⃣ Competitive 401k employer match of 6%, which is special for a startup. This will be 100% matched and vested from day 1

Flexible paid time off. To encourage time off from work and ensure overall employee health and wellness, GreyNoise strongly recommends each employee to take at least 120 hours of PTO (3 weeks) annually, including at least five consecutive business days

Remote-first culture. While we are headquartered in the Washington DC area, we have a distributed workforce -- with the majority of our team working remotely from across the country

Equipment budget. Every new employee gets an Apple Mac laptop and a $500 stipend for any equipment accessories.

Paid family leave for all employees. We offer 4 months of paid leave (birth or adoption), plus 2 months of optional unpaid leave, so new parents have time to adjust to the new life (and work) schedule

Learning & development budget. All employees receive an annual $1,500 towards professional development related to their job function. The stipend can be applied to tuition, books, conferences, and more

Company offsites and monthly local hangouts to encourage team bonding

GreyNoise Culture

The hallmark of any great company is a palpable and viscous culture. The most important pillars of our culture are:

• Be transparent, honest, and objective. This is what it means to be “clinical”
• Empathize with customers, partners, and each other
• Learn from mistakes and share the knowledge
• The way feedback is delivered to one another matters as much as the feedback itself
• Good work-life balance is the key to sustained productivity
• The measure of a team member’s effectiveness is how well the rest of the team operates in their unexpected absence
• No such thing as a million dollar idea, only million dollar execution
• Out-innovate our previous selves

Check out our (work-in-progress) longform culture document.

Explainability

Any security product that is a “black box” that asks you to blindly trust it should raise red flags - we believe the same is true of your place of work. We obviously think GreyNoise is doing something unique, but don’t take our word for it - ask any of our 150+ enterprise customers, investors, thousands of happy users, or  dozens of journalists  who have cited GreyNoise over the past few years.

Why You Should Work at GreyNoise 

• You enjoy identifying and solving hard problems
• You are comfortable taking an idea from concept to customer
• You are open to both explaining your stance and questioning others in a clinical, open-minded, and respectful manner
• You want to directly impact users
• You want to grow beyond your current skill set

Apply for the job

Do you want to join our team? Then we'd love to hear about you!