Coordinate test readiness activities, including client communication, scheduling, and troubleshooting to ensure engagements start on time.
Conduct advanced manual penetration testing on web applications, APIs, or network environments using tools like Burp Suite and Metasploit.
Produce professional security assessment reports detailing vulnerabilities, exploitation steps, and remediation recommendations for clients.
Sophos is a cybersecurity company that provides AI-driven threat prevention and managed detection and response services to 600,000 organizations globally. The company has a global team and promotes a remote-first culture with employee-led diversity initiatives and wellness programs.
Execute external network, web application, and API penetration testing engagements.
Identify, validate, and manually exploit vulnerabilities and assess attack paths.
Write clear client reports and communicate findings, risk, and remediation guidance.
We are A-LIGN, a technology-enabled cybersecurity company providing offensive and defensive security and compliance services trusted by more than 2,400 global organizations. We are a fast-paced, collaborative team supporting remote work and professional growth.
Perform and lead penetration tests of customer systems to identify exploitable vulnerabilities.
Apply assessment methodologies including NIST SP 800-115, PTES, and OWASP WSTG.
Report and demonstrate findings directly to system owners and engineers.
Valiant Solutions delivers cybersecurity and IT services to federal civilian, defense, and national security customers nationwide. The company is a multi-year Washington Business Journal Best Places to Work winner with an employee-centric culture and a distributed workforce.
Execute external network, web application, and API penetration testing engagements.
Identify, validate, and manually exploit vulnerabilities while assessing business and technical risk.
Deliver client-ready reports and communicate remediation guidance to stakeholders.
Pathfynder by A-LIGN is a technology-enabled cybersecurity company providing offensive and defensive services. It is trusted by more than 2,400 global organizations and offers a fast-paced, collaborative remote culture.
Scope, plan, and execute penetration tests across web applications, APIs, networks, wireless, and physical environments.
Lead covert physical entry and social engineering operations against client facilities, including data centers.
Document findings for reproducibility, write actionable reports, and mentor junior testers.
Alpha Origin is a profitable, bootstrapped operational engineering firm that helps operators find where their systems are vulnerable to compromise or failure, then engineer and test fixes. The company is small and high-trust, with direct access to senior leaders and clients, a culture of ownership, and fast scope growth.
Lead advanced security assessments across web applications, APIs, cloud platforms, and enterprise networks.
Conduct red team activities, vulnerability research, and custom tool development to simulate real-world attacks.
Collaborate with cross-functional teams to assess risks, support remediation, and mentor colleagues.
Hitachi Vantara provides data infrastructure for global innovators across industries. As a diverse, global team, they foster an inclusive culture focused on making a real-world impact with data.
Execute internal network and cloud-based SaaS penetration testing engagements.
Identify, validate, and manually exploit vulnerabilities using public or custom-developed exploits.
Deliver clear, client-ready reports with actionable remediation guidance to client stakeholders.
Pathfynder by A-LIGN is a technology-enabled cybersecurity company providing offensive and defensive cybersecurity services under A-LIGN, a security and compliance partner trusted by more than 2,400 global organisations. The company works with organisations ranging from small businesses to global enterprises in a fast-paced, collaborative, and remote-first environment.
Plan, scope, execute, and report on penetration tests across cloud, endpoint, web, and API environments.
Partner with development teams to embed security testing into their release cycles and mature SDLC practices.
Lead quarterly red and purple team operations simulating real-world adversaries to test detection and response.
Group 1001 is a consumer-centric, technology-driven family of insurance companies that delivers value by combining financial strength with deep insurance expertise. The culture emphasizes collaboration, communication, risk management, and striving for outcomes, fostering a supportive work environment.
Plan and execute authorized red team assessments against government systems, applications, networks, APIs, and cloud environments.
Develop realistic attack scenarios aligned with MITRE ATT&CK and identify exploitable attack paths beyond automated scanning.
Document findings, provide remediation recommendations, and guide less-experienced testers through technical mentoring.
Valiant Solutions provides cybersecurity and IT services to federal civilian, defense, and national security customers nationwide. The firm is a multi-year Washington Business Journal Best Places to Work winner with a distributed, employee-centric culture.
Lead and execute comprehensive penetration testing and red team exercises across networks, applications, APIs, and AWS cloud environments.
Apply NIST SP 800-115, MITRE ATT&CK, and DHS RVA standards to deliver high-quality, risk-based security assessments.
Mentor junior penetration testers and collaborate with security and infrastructure teams to remediate vulnerabilities and strengthen security posture.
Peraton is a next-generation national security company that delivers trusted mission-critical solutions to protect the nation and allies. The company supports essential government agencies and every branch of the U.S. armed forces, with employees solving the most daunting challenges facing customers.
Curate and validate incoming vulnerability submissions for Bugcrowd managed bug bounty programs.
Apply strong knowledge of OWASP Top Ten and tools like Burp Suite to assess severity and validity.
Communicate directly with clients and researchers, and handle incident response for high-severity bugs.
Bugcrowd is a preemptive security platform that unifies exposure discovery, assessment, and offensive testing using AI and human insight. Founded in 2012 and backed by major investors, it has a collaborative, family-like culture with a diverse team.
Conduct comprehensive threat emulation exercises including red team, purple team, and penetration tests.
Collaborate with cross-functional teams to assess and improve security posture through adversary simulation.
Develop custom tools and document findings, risks, and recommendations for technical and business audiences.
TransUnion is a global information and insights company that helps consumers and businesses transact with confidence. With over 12,000 associates in more than 30 countries, it prioritizes work/life flexibility and a culture of innovation.
Conduct manual pentests on core systems and AI agents, building automation to expand coverage.
Define how we pentest AI, including LLM applications and agent-generated code.
Triage SAST findings, review code across web/APIs/AWS, and communicate risk to engineers.
We are a financial technology company based in Boston, unlocking capital for small businesses across America with fast, flexible funding. Our remote-first team, recognized as a Best Place to Work, has provided over $4.8 billion to more than 92,000 small businesses since 2012.
Provide senior-level response to security alerts and own escalations.
Conduct threat hunting, vulnerability scanning, and penetration testing.
Create security alerts, dashboards, and response mechanisms while mentoring junior staff.
KnowBe4 empowers the modern workforce to make smarter security decisions every day, providing security awareness training and attack simulation. Trusted by more than 70,000 organizations worldwide, the company fosters a modern, high-tech, and fun work environment.
Perform web, mobile application, and internal penetration tests, source code reviews, and threat analysis.
Support blue teams, research new attack vectors, and stay current with cybersecurity news and trends.
Train QA and Development teams in standard security testing techniques and secure software development.
Insider One is a platform that unifies marketing and customer engagement tools, powered by AI and an integrated Customer Data Platform. The company is a woman-founded, women-led B2B SaaS unicorn with 1,500+ team members from 50+ nationalities across 30+ offices.
Design, operate, and continuously improve application security testing capabilities and pipelines.
Assess application risks, perform security reviews across multiple languages, and assist with penetration testing.
Provide application security guidance and mentorship to development teams as needed.
Esri is a global leader in geographic information system (GIS) technology, helping organizations create positive global change. With a diverse workforce unified under this mission, Esri fosters an inclusive culture that values continuous learning and growth.
Design and build production-grade Python reconnaissance workflows to discover and enumerate external-facing assets at scale.
Research and parse messy external data sources to turn unstructured information into actionable attack intelligence.
Automate multi-step attack paths from initial access to post-exploitation, and mentor engineers to raise the bar.
Horizon3 is a fast-growing, remote cybersecurity company that builds NodeZero, an autonomous pentesting platform. The team is a fusion of former special operations cyber operators and startup engineers, committed to a culture of respect, collaboration, and results.