Staff Engineer, Endpoint Agent

1 Month ago • All levels • Software Development & Engineering • $220,000 PA - $260,000 PA

Job Summary

Job Description

Halcyon is seeking a Staff Engineer to lead the design and development of its cross-platform endpoint agent, focusing on anti-ransomware innovation. This role involves owning the technical vision and architecture for user-space services, kernel drivers, and tooling for Windows, Linux, and macOS. Responsibilities include collaborating with cross-functional teams, leading complex engineering efforts, mentoring engineers, troubleshooting technical issues, and championing technical excellence. The ideal candidate will have experience in a staff-level engineering role with a focus on architecture and cross-team collaboration, along with expert knowledge in low-level systems and kernel/driver development.
Must have:
  • Develop high-quality code in Rust or C++
  • Develop endpoint security products
  • Staff-level or principal engineering experience
  • Expertise in low-level systems/kernel development
  • Strong communication skills
Perks:
  • Comprehensive healthcare (medical, dental, vision)
  • 401k plan with employer contribution
  • Disability coverage
  • Life and AD&D insurance
  • Medical and dependent care FSA options
  • Flexible PTO policy
  • Parental leave
  • Generous equity offering

Job Details

What we do:
Halcyon is the industry’s first dedicated, adaptive security platform that combines multiple proprietary advanced prevention engines along with AI models focused specifically on stopping ransomware.

Who we are:
Halcyon was formed in 2021 by a team of cyber industry veterans after battling the scourge of ransomware (and advanced threats) for years at some of the largest global security vendors. Comprised of leaders from Cylance (now Blackberry), Accuvant (now Optiv), Fireye and ISS X-Force (now IBM), Halcyon is focused on building products and solutions for mid-market and enterprise customers.

As a remote-native, completely distributed global team, we recognize great talent can exist anywhere. We invite you to apply to a job you’re interested in and we'll work a plan to meet your needs.

The Role:

Halcyon is redefining what security software can do, with a focus on anti-ransomware innovation. We're seeking a Staff Engineer to help lead the design and development of our cross-platform endpoint agent. This role is instrumental in shaping both the technical architecture and future direction of our Windows, Linux, and macOS protection capabilities.

Responsibilities:

  • Own the technical vision and architecture of Halcyon’s cross-platform endpoint agent, covering user-space services, kernel drivers, and tooling

  • Collaborate with cross-functional teams including researchers, product managers, and engineers to design and implement cutting-edge anti-ransomware features

  • Lead complex, cross-platform engineering efforts, balancing performance, scalability, and security

  • Mentor and support the growth of engineers across the endpoint team

  • Troubleshoot and resolve complex, high-impact technical issues during feature development

  • Define, implement, and improve engineering processes and standards across the team

  • Champion technical excellence and product quality, advocating for best practices in all aspects of development

Skills and Qualifications:

  • Experience developing high-quality code in Rust (preferred) or C++

  • Proven track record developing endpoint security products

  • Experience in a staff-level or principal engineering role, with a focus on architecture and cross-team collaboration

  • Expert-level knowledge in low-level systems, including kernel or driver development on Windows, Linux, or macOS

  • Strong written and verbal communication skills, with the ability to influence technical and non-technical stakeholders

Benefits:

 Halcyon offers the following benefits to eligible employees:

  • Comprehensive healthcare (medical, dental, and vision) with premiums paid in full for employees and dependents.

  • 401k plan with a generous employer contribution.

  • Short and long-term disability coverage, basic life and AD&D insurance plans.

  • Medical and dependent care FSA options.

  • Flexible PTO policy.

  • Parental leave.

  • Generous equity offering.

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.​

Base Salary Range: $220,000-260,000

Bonus Target: 10%

In accordance with applicable state and federal laws, the range provided is Halcyon’s reasonable estimate of the base compensation for this role. The actual amount may differ based on non-discriminatory factors such as experience, knowledge, skills, abilities, and location. Base pay is one part of the total package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and equity in the Company.

We understand it takes a diverse team of highly intelligent, passionate, curious, and creative people to develop the exceptional product we are building. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity employer.

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