Security Engineer III – InfraSec

Our Mission: 

6sense is on a mission to revolutionize how B2B organizations create revenue by predicting customers most likely to buy and recommending the best course of action to engage anonymous buying teams. 6sense Revenue AI is the only sales and marketing platform to unlock the ability to create, manage and convert high-quality pipeline to revenue. 

Our People: 

People are the heart and soul of 6sense. We serve with passion and purpose. We live by our Being 6sense values of Accountability, Growth Mindset, Integrity, Fun and One Team. Every 6sensor plays a part in defining the future of our industry-leading technology.  6sense is a place where difference-makers roll up their sleeves, take risks, act with integrity, and measure success by the value we create for our customers. 

We want 6sense to be the best chapter of your career. 

Purpose of the Job
As members of 6sense’s Security department, the Security Engineering team protects the
platform and ensures that the product is secure. Infrastructure Security Engineers partner
with infrastructure, platform, and engineering teams to identify and mitigate cloud security
risks.

Job Description
Responsibilities & Accountabilities
• Operate CNAPP tool to facilitate Infrastructure security vulnerability management
processes
• Conduct cloud security assessments and implement remediation strategies
• Advise infrastructure teams on cloud security standards and hardening activities
• Perform vulnerability assessments of golden AMIs
• Ensure the security logging standard is adopted and followed
• Provide logging and monitoring support to Security Operations
• Leverage scripting skills to automate tasks, integrate tools, and build workflows
• Support risk assessment, compliance, and other security department initiatives
• Design and execute quarterly (O)KRs

Performance Measurement
• Understands the 6sense product and platform basics
• Participates in weekly 1:1s with manager and monthly skip levels
• Implements security controls considering the latest security threats, trends, and best
practices to ensure that 6sense's security posture remains effective and efficient
• Manages vulnerabilities with CVEs to remediation within targeted SLA or risk
acceptance

• Maintains inventory of security scope and coverage for 6sense product(s)
• Maintains up to date collateral, metrics and processes

Person Specification
Educational and Experience Requirements
• 3-5 years of experience in information security, with a focus on cloud security,
infrastructure security, security engineering, or SRE
• Familiarity with AWS security controls, monitoring, and orchestration (SCPs, Guard
Duty, Config, Macie, etc.)
• Working knowledge of network security, WAF, DDoS mitigation, authentication,
encryption, and vulnerability management
• Working knowledge of CI/CD, Kubernetes, IaC, and serverless technologies

Preferred Qualifications
• Bachelor's degree in a related field
• Relevant industry certifications, such as AWS, CNCF, and GIAC are highly desirable

Competencies and Behaviors
• In-depth knowledge of at least one major cloud platform (e.g., AWS, GCP) and their
native security services preferably AWS
• Working knowledge of IAM, WAF, GuardDuty, SecurityHub, EC2, SSO, KMS, AWS
Organizations
• Understanding of security principles, including threat modeling, risk assessment, and
incident response.
• Proficiency in networking concepts, protocols (TCP/IP, HTTP, DNS), and network
security (firewalls, VPNs, intrusion detection).
• Hands-on in scripting languages (Python, Bash) for automation and security tasks.
• Familiarity with security tools like vulnerability scanners, intrusion detection
systems, and SIEM solutions.
• Understandings of DevOps/DevSecOps practices, CI/CD pipelines, and IaC tools.

Certifications (Optional):
• AWS Certified Solutions Architect

• AWS Certified Security - Specialty
• Google Cloud Certified Professional Cloud Security Engineer
• CCSP – Certified Cloud Security Professional

Our Benefits: 

Full-time employees can take advantage of health coverage, paid parental leave, generous paid time-off and holidays, quarterly self-care days off, and stock options. We’ll make sure you have the equipment and support you need to work and connect with your teams, at home or in one of our offices. 

We have a growth mindset culture that is represented in all that we do, from onboarding through to numerous learning and development initiatives including access to our LinkedIn Learning platform. Employee well-being is also top of mind for us. We host quarterly wellness education sessions to encourage self care and personal growth. From wellness days to ERG-hosted events, we celebrate and energize all 6sense employees and their backgrounds. 

Equal Opportunity Employer: 

6sense is an Equal Employment Opportunity and Affirmative Action Employers. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status. If you require reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please direct your inquiries to [email protected]. 

We are aware of recruiting impersonation attempts that are not affiliated with 6sense in any way. All email communications from 6sense will originate from the @6sense.com domain. We will not initially contact you via text message and will never request payments. If you are uncertain whether you have been contacted by an official 6sense employee, reach out to jobs@6sense.com