First Advantage

Sr Offensive Security Engineer

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4 days ago
Remote, IndiaSenior

Responsibilities

  • Plan, scope, and execute internal and external penetration tests across web and mobile applications, APIs, AWS and Azure cloud environments, networks, and infrastructure.
  • Design and run red team, purple team, and adversary emulation engagements using objective-based attack paths and real-world attacker techniques.
  • Identify, validate, and safely exploit vulnerabilities, including chaining lower-severity issues into high-impact attack paths.
  • Map adversary emulation activities to MITRE ATT&CK tactics, techniques, and procedures.
  • Review findings, prioritize exploitability and business risk, create remediation tickets, coordinate fixes, and conduct retests.
  • Build and maintain custom scripts, tooling, and automation and help operationalize continuous or autonomous testing platforms.
  • Produce technical reports and executive summaries that communicate security findings and business impact.
  • Support incident response and threat hunting with offensive expertise and attack-path context.
  • Develop repeatable methodologies, playbooks, and metrics to mature the offensive security program.

Requirements

  • At least 5 years of hands-on experience in offensive security, penetration testing, red teaming, or a closely related security engineering role.
  • Demonstrated expertise in web and mobile application, API, network, infrastructure, and cloud penetration testing across AWS and/or Azure.
  • Strong understanding of exploitation, post-exploitation, attack-path chaining, and objective-based adversary emulation.
  • Proficiency with Burp Suite Professional, Nmap, Metasploit, Kali Linux, and vulnerability scanners.
  • Proficiency in at least one scripting or programming language such as Python, Go, PowerShell, Ruby, or Bash.
  • Working knowledge of the MITRE ATT&CK framework and experience mapping engagements to adversary TTPs.
  • Strong written and verbal communication skills, including the ability to present findings to technical stakeholders and executive leadership.
  • Preferred: advanced offensive security certifications such as OSEP, OSCE³, CRTO, or GXPN.
  • Preferred: original security research, CVEs, responsible disclosures, cloud-native attack techniques, Kubernetes testing, continuous testing platforms, detection engineering, SIEM/EDR platforms, relevant compliance and security frameworks, and experience mentoring junior engineers.

Benefits

  • Employee Impact Groups.
  • FA Cares volunteer opportunities.
  • Mentorship Advantage Program.
  • SOAR award-winning manager development program.
  • Culture programs and benefits focused on employee experience and development.

Tech Stack

AWSAzureBashGoKubernetesPowerShellPythonRuby

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