Managing Principal | Remote US - United States

About Coalfire
Coalfire is on a mission to make the world a safer place by solving our clients’ hardest cybersecurity challenges. We work at the cutting edge of technology to advise, assess, automate, and ultimately help companies navigate the ever-changing cybersecurity landscape. We are headquartered in Denver, Colorado with offices across the U.S. and U.K., and wesupport clients around the world.
But that’s not who we are – that’s just what we do.
We are thought leaders, consultants, and cybersecurity experts, but above all else, we are a team of passionate problem-solvers who are hungry to learn, grow, and make a difference.
And we’re growing fast.
We’re looking for a Managing Principal to support our Cyber Security team.
Position Summary
We are looking for an exceptionally skilled and experienced Managing Principal to join our team. You will lead our efforts to identify and mitigate security vulnerabilities in our systems, ensuring the integrity and confidentiality of our data and infrastructure. You will play a critical role in shaping our security strategy and ensuring that our products and services meet the highest standards of security and compliance. This role will act as an individual contributor and industry thought leader.

What You'll Do

  • Provide technical leadership and expertise in penetration testing, guiding our teams in the identification and remediation of security vulnerabilities.
  • Lead the design and implementation of comprehensive penetration testing programs, including vulnerability assessments, penetration tests, and red team exercises.
  • Conduct in-depth security assessments of our systems and applications, identifying and prioritizing security risks and recommending appropriate remediation measures.
  • Perform hands-on penetration testing activities, including network, web application, mobile application, and cloud infrastructure assessments.
  • Develop and maintain custom exploit code, scripts, and tools to automate and streamline penetration testing activities.
  • Collaborate with development teams to incorporate security best practices into the software development lifecycle (SDLC), including threat modeling, code review, and secure coding guidelines.
  • Stay current with emerging security threats and trends, and proactively identify areas of improvement to enhance our security posture.
  • Act as a trusted advisor to senior leadership on security matters, providing insights and recommendations to inform strategic decision-making.
  • Mentor and coach junior security professionals, helping to build a culture of security awareness and vigilance across the organization.

What You'll Bring

  • 10+ years of experience in information security, with a focus on penetration testing and vulnerability management.
  • Deep technical expertise in penetration testing tools and techniques, such as Metasploit, Burp Suite, Nmap, Wireshark, and Kali Linux.
  • Extensive experience conducting penetration tests across a variety of platforms and environments, including on-premises, cloud, and hybrid environments.
  • Strong understanding of security principles, protocols, and standards, including OWASP, NIST, and ISO/IEC 27001.
  • Hands-on experience with secure coding practices, threat modeling, and code review techniques.
  • Relevant certifications such as CISSP, CEH, OSCP, or GIAC.
  • Excellent communication and collaboration skills, with the ability to effectively convey complex technical concepts to both technical and non-technical audiences.
  • Proven leadership skills, with experience leading and motivating teams to achieve security goals and objectives.
  • Ability to thrive in a fast-paced, dynamic environment, and adapt quickly to changing priorities and requirements.
Why You'll Want to Join Us
At Coalfire, you’ll find the support you need to thrive personally and professionally. In many cases, we provide a flexible work model that empowers you to choose when and where you’ll work most effectively – whether you’re at home or an office.
Regardless of location, you’ll experience a company that prioritizes connection and wellbeing and be part of a team where people care about each other and our communities. You’ll have opportunities to join employee resource groups, participate in in-person and virtual events, and more. And you’ll enjoy competitive perks and benefits to support you and your family, like paid parental leave, flexible time off, certification and training reimbursement, digital mental health and wellbeing support membership, and comprehensive insurance options.
At Coalfire, equal opportunity and pay equity is integral to the way we do business. A reasonable estimate of the compensation range for this role is $125,000 to $230,000 based on national salary averages. The actual salary offer to the successful candidate will be based on job-related education, geographic location, training, licensure and certifications and other factors. You may also be eligible to participate in annual incentive, commission, and/or recognition programs. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. Apply

Job Profile


North America


United States


Certification and training reimbursement Competitive perks and benefits Comprehensive insurance options Digital mental health and wellbeing support membership Employee Resource Groups Flexible time off Flexible work model Paid parental leave Virtual events


Burp Suite Code Review Communication Compliance Cybersecurity Information security ISO/IEC 27001 Kali Linux Metasploit NIST Nmap OWASP Penetration Testing Secure coding practices Security Best Practices Threat modeling Virtual Events Vulnerability Management Wireshark

  • Collaborate with development teams on security best practices
  • Conduct security assessments
  • Develop and maintain exploit code
  • Lead design and implementation of penetration testing programs
  • Mentor junior security professionals
  • Perform hands-on penetration testing activities
  • Provide technical leadership in penetration testing
  • Stay current with security threats and trends
  • Threat modeling
  • Vulnerability management

10+ years


Business Cybersecurity




Remote US


America/Anchorage America/Chicago America/Denver America/Los_Angeles America/New_York Pacific/Honolulu UTC-10 UTC-5 UTC-6 UTC-7 UTC-8 UTC-9