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Senior Security Engineer (Red Team)

Glean

Senior Security Engineer (Red Team)

full-timePosted: Dec 3, 2025

Job Description

About Glean:

Glean is the Work AI platform that helps everyone work smarter with AI. What began as the industry’s most advanced enterprise search has evolved into a full-scale Work AI ecosystem, powering intelligent Search, an AI Assistant, and scalable AI agents on one secure, open platform. With over 100 enterprise SaaS connectors, flexible LLM choice, and robust APIs, Glean gives organizations the infrastructure to govern, scale, and customize AI across their entire business - without vendor lock-in or costly implementation cycles.

At its core, Glean is redefining how enterprises find, use, and act on knowledge. Its Enterprise Graph and Personal Knowledge Graph map the relationships between people, content, and activity, delivering deeply personalized, context-aware responses for every employee. This foundation powers Glean’s agentic capabilities - AI agents that automate real work across teams by accessing the industry’s broadest range of data: enterprise and world, structured and unstructured, historical and real-time. The result: measurable business impact through faster onboarding, hours of productivity gained each week, and smarter, safer decisions at every level.

Recognized by Fast Company as one of the World’s Most Innovative Companies (Top 10, 2025), by CNBC’s Disruptor 50, Bloomberg’s AI Startups to Watch (2026), Forbes AI 50, and Gartner’s Tech Innovators in Agentic AI, Glean continues to accelerate its global impact. With customers across 50+ industries and 1,000+ employees in more than 25 countries, we’re helping the world’s largest organizations make every employee AI-fluent, and turning the superintelligent enterprise from concept into reality.

If you’re excited to shape how the world works, you’ll help build systems used daily across Microsoft Teams, Zoom, ServiceNow, Zendesk, GitHub, and many more - deeply embedded where people get things done. You’ll ship agentic capabilities on an open, extensible stack, with the craft and care required for enterprise trust, as we bring Work AI to every employee, in every company.

About the Role:

Glean is looking for a highly skilled and motivated Senior Red Team Engineer to join our team. We are looking for an ultimate ethical adversary, who can leverage their expertise in network penetration testing, social engineering, and attack methodologies to expose our weaknesses and make us stronger.

You Will

  • Thrive in a customer-focused, tight-nit and cross-functional environment - being a team player and willing to take on whatever is most impactful for the company is a must
  • Have familiarity with cloud native development practices in GCP/AWS/Azure is a plus
  • Conduct network penetration testing, employing various techniques like exploiting vulnerabilities, bypassing defenses, and escalating privileges.
  • Design and execute targeted social engineering attacks to test human vulnerabilities and security awareness.
  • Develop assumed breach scenarios that mimic real-world attacks, testing our incident response procedures and readiness.
  • Utilize penetration testing frameworks like Metasploit, Kali Linux, and Burp Suite, constantly updating your knowledge and exploring new tools.
  • Collaborate with blue teams, developers, and stakeholders to communicate findings, prioritize vulnerabilities, and recommend remediation strategies.
  • Stay ahead of the curve by researching emerging threats, attending conferences, and actively contributing to the offensive security community.

About you

  • Bachelor's degree in Computer Science, Information Security, or a related field (or equivalent work experience). Masters in Information Security a big plus.
  • 7+ years of experience doing Security, with 3+ of experience in red teaming/offensive security.
  • Experience with social engineering techniques and methodologies.
  • Proficiency in scripting languages like Python and Bash.
  • Excellent communication and teamwork skills, able to explain complex technical concepts to both technical and non-technical audiences.
  • A passion for learning, constantly seeking new ways to improve your skills and knowledge.
  • Bonus points for experience with cloud security, web application security, and post-exploitation frameworks.
  • A proactive and positive attitude to lead, learn, troubleshoot and take ownership of both small tasks and large features

Location: 

  • This role is remote USA

Compensation & Benefits:

The standard base salary range for this position is $200,000 - $280,000 annually. Compensation offered will be determined by factors such as location, level, job-related knowledge, skills, and experience. Certain roles may be eligible for variable compensation, equity, and benefits.

We offer a comprehensive benefits package including competitive compensation, Medical, Vision, and Dental coverage, generous time-off policy, and the opportunity to contribute to your 401k plan to support your long-term goals. When you join, you'll receive a home office improvement stipend, as well as an annual education and wellness stipends to support your growth and wellbeing. We foster a vibrant company culture through regular events, and provide healthy lunches daily to keep you fueled and focused.

We are a diverse bunch of people and we want to continue to attract and retain a diverse range of people into our organization. We're committed to an inclusive and diverse company. We do not discriminate based on gender, ethnicity, sexual orientation, religion, civil or family status, age, disability, or race.

#LI-HYBRID

Locations

  • Remote, USA, (Remote)

Salary

200,000 - 280,000 USD / yearly

Skills Required

  • Network penetration testingintermediate
  • Social engineering techniquesintermediate
  • Exploiting vulnerabilitiesintermediate
  • Bypassing defensesintermediate
  • Privilege escalationintermediate
  • Assumed breach scenariosintermediate
  • Metasploitintermediate
  • Kali Linuxintermediate
  • Burp Suiteintermediate
  • Pythonintermediate
  • Bashintermediate
  • Communication skillsintermediate
  • Teamwork skillsintermediate
  • Cloud native development practices in GCP/AWS/Azureintermediate
  • Cloud securityintermediate
  • Web application securityintermediate
  • Post-exploitation frameworksintermediate

Required Qualifications

  • Bachelor's degree in Computer Science, Information Security, or a related field (or equivalent work experience) (experience)
  • 7+ years of experience doing Security, with 3+ of experience in red teaming/offensive security (experience)
  • Experience with social engineering techniques and methodologies (experience)
  • Proficiency in scripting languages like Python and Bash (experience)
  • Excellent communication and teamwork skills, able to explain complex technical concepts to both technical and non-technical audiences (experience)
  • A passion for learning, constantly seeking new ways to improve your skills and knowledge (experience)
  • A proactive and positive attitude to lead, learn, troubleshoot and take ownership of both small tasks and large features (experience)

Preferred Qualifications

  • Masters in Information Security a big plus (experience)
  • Familiarity with cloud native development practices in GCP/AWS/Azure is a plus (experience)
  • Bonus points for experience with cloud security, web application security, and post-exploitation frameworks (experience)

Responsibilities

  • Thrive in a customer-focused, tight-nit and cross-functional environment - being a team player and willing to take on whatever is most impactful for the company is a must
  • Conduct network penetration testing, employing various techniques like exploiting vulnerabilities, bypassing defenses, and escalating privileges
  • Design and execute targeted social engineering attacks to test human vulnerabilities and security awareness
  • Develop assumed breach scenarios that mimic real-world attacks, testing our incident response procedures and readiness
  • Utilize penetration testing frameworks like Metasploit, Kali Linux, and Burp Suite, constantly updating your knowledge and exploring new tools
  • Collaborate with blue teams, developers, and stakeholders to communicate findings, prioritize vulnerabilities, and recommend remediation strategies
  • Stay ahead of the curve by researching emerging threats, attending conferences, and actively contributing to the offensive security community

Benefits

  • general: Competitive compensation
  • general: Medical, Vision, and Dental coverage
  • general: Generous time-off policy
  • general: Opportunity to contribute to your 401k plan
  • general: Home office improvement stipend
  • general: Annual education and wellness stipends
  • general: Regular events
  • general: Healthy lunches daily

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Glean logo

Senior Security Engineer (Red Team)

Glean

Senior Security Engineer (Red Team)

full-timePosted: Dec 3, 2025

Job Description

About Glean:

Glean is the Work AI platform that helps everyone work smarter with AI. What began as the industry’s most advanced enterprise search has evolved into a full-scale Work AI ecosystem, powering intelligent Search, an AI Assistant, and scalable AI agents on one secure, open platform. With over 100 enterprise SaaS connectors, flexible LLM choice, and robust APIs, Glean gives organizations the infrastructure to govern, scale, and customize AI across their entire business - without vendor lock-in or costly implementation cycles.

At its core, Glean is redefining how enterprises find, use, and act on knowledge. Its Enterprise Graph and Personal Knowledge Graph map the relationships between people, content, and activity, delivering deeply personalized, context-aware responses for every employee. This foundation powers Glean’s agentic capabilities - AI agents that automate real work across teams by accessing the industry’s broadest range of data: enterprise and world, structured and unstructured, historical and real-time. The result: measurable business impact through faster onboarding, hours of productivity gained each week, and smarter, safer decisions at every level.

Recognized by Fast Company as one of the World’s Most Innovative Companies (Top 10, 2025), by CNBC’s Disruptor 50, Bloomberg’s AI Startups to Watch (2026), Forbes AI 50, and Gartner’s Tech Innovators in Agentic AI, Glean continues to accelerate its global impact. With customers across 50+ industries and 1,000+ employees in more than 25 countries, we’re helping the world’s largest organizations make every employee AI-fluent, and turning the superintelligent enterprise from concept into reality.

If you’re excited to shape how the world works, you’ll help build systems used daily across Microsoft Teams, Zoom, ServiceNow, Zendesk, GitHub, and many more - deeply embedded where people get things done. You’ll ship agentic capabilities on an open, extensible stack, with the craft and care required for enterprise trust, as we bring Work AI to every employee, in every company.

About the Role:

Glean is looking for a highly skilled and motivated Senior Red Team Engineer to join our team. We are looking for an ultimate ethical adversary, who can leverage their expertise in network penetration testing, social engineering, and attack methodologies to expose our weaknesses and make us stronger.

You Will

  • Thrive in a customer-focused, tight-nit and cross-functional environment - being a team player and willing to take on whatever is most impactful for the company is a must
  • Have familiarity with cloud native development practices in GCP/AWS/Azure is a plus
  • Conduct network penetration testing, employing various techniques like exploiting vulnerabilities, bypassing defenses, and escalating privileges.
  • Design and execute targeted social engineering attacks to test human vulnerabilities and security awareness.
  • Develop assumed breach scenarios that mimic real-world attacks, testing our incident response procedures and readiness.
  • Utilize penetration testing frameworks like Metasploit, Kali Linux, and Burp Suite, constantly updating your knowledge and exploring new tools.
  • Collaborate with blue teams, developers, and stakeholders to communicate findings, prioritize vulnerabilities, and recommend remediation strategies.
  • Stay ahead of the curve by researching emerging threats, attending conferences, and actively contributing to the offensive security community.

About you

  • Bachelor's degree in Computer Science, Information Security, or a related field (or equivalent work experience). Masters in Information Security a big plus.
  • 7+ years of experience doing Security, with 3+ of experience in red teaming/offensive security.
  • Experience with social engineering techniques and methodologies.
  • Proficiency in scripting languages like Python and Bash.
  • Excellent communication and teamwork skills, able to explain complex technical concepts to both technical and non-technical audiences.
  • A passion for learning, constantly seeking new ways to improve your skills and knowledge.
  • Bonus points for experience with cloud security, web application security, and post-exploitation frameworks.
  • A proactive and positive attitude to lead, learn, troubleshoot and take ownership of both small tasks and large features

Location: 

  • This role is remote USA

Compensation & Benefits:

The standard base salary range for this position is $200,000 - $280,000 annually. Compensation offered will be determined by factors such as location, level, job-related knowledge, skills, and experience. Certain roles may be eligible for variable compensation, equity, and benefits.

We offer a comprehensive benefits package including competitive compensation, Medical, Vision, and Dental coverage, generous time-off policy, and the opportunity to contribute to your 401k plan to support your long-term goals. When you join, you'll receive a home office improvement stipend, as well as an annual education and wellness stipends to support your growth and wellbeing. We foster a vibrant company culture through regular events, and provide healthy lunches daily to keep you fueled and focused.

We are a diverse bunch of people and we want to continue to attract and retain a diverse range of people into our organization. We're committed to an inclusive and diverse company. We do not discriminate based on gender, ethnicity, sexual orientation, religion, civil or family status, age, disability, or race.

#LI-HYBRID

Locations

  • Remote, USA, (Remote)

Salary

200,000 - 280,000 USD / yearly

Skills Required

  • Network penetration testingintermediate
  • Social engineering techniquesintermediate
  • Exploiting vulnerabilitiesintermediate
  • Bypassing defensesintermediate
  • Privilege escalationintermediate
  • Assumed breach scenariosintermediate
  • Metasploitintermediate
  • Kali Linuxintermediate
  • Burp Suiteintermediate
  • Pythonintermediate
  • Bashintermediate
  • Communication skillsintermediate
  • Teamwork skillsintermediate
  • Cloud native development practices in GCP/AWS/Azureintermediate
  • Cloud securityintermediate
  • Web application securityintermediate
  • Post-exploitation frameworksintermediate

Required Qualifications

  • Bachelor's degree in Computer Science, Information Security, or a related field (or equivalent work experience) (experience)
  • 7+ years of experience doing Security, with 3+ of experience in red teaming/offensive security (experience)
  • Experience with social engineering techniques and methodologies (experience)
  • Proficiency in scripting languages like Python and Bash (experience)
  • Excellent communication and teamwork skills, able to explain complex technical concepts to both technical and non-technical audiences (experience)
  • A passion for learning, constantly seeking new ways to improve your skills and knowledge (experience)
  • A proactive and positive attitude to lead, learn, troubleshoot and take ownership of both small tasks and large features (experience)

Preferred Qualifications

  • Masters in Information Security a big plus (experience)
  • Familiarity with cloud native development practices in GCP/AWS/Azure is a plus (experience)
  • Bonus points for experience with cloud security, web application security, and post-exploitation frameworks (experience)

Responsibilities

  • Thrive in a customer-focused, tight-nit and cross-functional environment - being a team player and willing to take on whatever is most impactful for the company is a must
  • Conduct network penetration testing, employing various techniques like exploiting vulnerabilities, bypassing defenses, and escalating privileges
  • Design and execute targeted social engineering attacks to test human vulnerabilities and security awareness
  • Develop assumed breach scenarios that mimic real-world attacks, testing our incident response procedures and readiness
  • Utilize penetration testing frameworks like Metasploit, Kali Linux, and Burp Suite, constantly updating your knowledge and exploring new tools
  • Collaborate with blue teams, developers, and stakeholders to communicate findings, prioritize vulnerabilities, and recommend remediation strategies
  • Stay ahead of the curve by researching emerging threats, attending conferences, and actively contributing to the offensive security community

Benefits

  • general: Competitive compensation
  • general: Medical, Vision, and Dental coverage
  • general: Generous time-off policy
  • general: Opportunity to contribute to your 401k plan
  • general: Home office improvement stipend
  • general: Annual education and wellness stipends
  • general: Regular events
  • general: Healthy lunches daily

Target Your Resume for "Senior Security Engineer (Red Team)" , Glean

Get personalized recommendations to optimize your resume specifically for Senior Security Engineer (Red Team). Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Senior Security Engineer (Red Team)" , Glean

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

EngineeringEngineering
Quiz Challenge

Answer 10 quick questions to check your fit for Senior Security Engineer (Red Team) @ Glean.

10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.