Autonomous Offensive Security Engineer

Parameter; Security (CO); On-site; USD 180,000 - 250,000; Full time

Job summary

Parameter is seeking an Offensive Security Engineer to perform hands-on penetration testing of customer web apps, APIs, and cloud infrastructure in a fast-paced environment. You will translate your methodology into agent capabilities and lead customer engagements from scoping through findings walkthroughs.

The role emphasizes building tooling, contributing to vulnerability research, and delivering clear outcomes for engineers and executives. Onsite in San Francisco with visa eligibility noted.

Qualifications

• 3+ years hands-on offensive security: web apps, APIs, cloud
• Deep knowledge of web vulnerabilities: access control, auth, logic flaws
• Cloud security experience across AWS or GCP: IAM, misconfigurations
• You write code and build tooling; TS is mentioned but value is building besides others
• Ability to write clearly for engineers and execs; avoid unclear findings
• Bonus: OSCP, OSWE, CVEs, bug bounty leaderboard or talks

Responsibilities

• Run manual penetration tests against customer web apps, APIs, and cloud infra
• Translate methodology into agent capabilities: new attack modules and detection logic
• Validate and triage agent findings before reaching customers
• Lead the technical side of customer engagements: scoping and findings walkthroughs
• Contribute to vulnerability research and responsible disclosure work

Skills

Offensive security

Web app pentesting

Red teaming

Cloud security (AWS/GCP)

Code & tooling

Clear communication

OSCP/OSWE bonus

Job description

Parameter is seeking an Offensive Security Engineer to perform hands-on penetration testing of customer web apps, APIs, and cloud infrastructure in a fast-paced environment. You will translate your methodology into agent capabilities and lead customer engagements from scoping through findings walkthroughs.

The role emphasizes building tooling, contributing to vulnerability research, and delivering clear outcomes for engineers and executives. Onsite in San Francisco with visa eligibility noted.