Senior Offensive Security Consultant / Penetration Tester - Web App/API

Company Description

Since 1996, HALOCK Security Labs has been a trusted advisor in cybersecurity, helping organizations understand and mitigate their material risks through effective Cybersecurity Governance. With over 500 clients, HALOCK specializes in services such as Penetration Testing (since 1998), Incident and Breach Response (since 2002), PCI QSA, ISO 27001 implementation, and its unique Duty of Care Risk Analysis (DoCRA) methodology. The organization has also pioneered the CIS Risk Assessment Method and developed the Reasonable Risk SaaS platform, offering innovative solutions for risk management. HALOCK is dedicated to helping clients achieve security tailored to their unique risks while maintaining operational goals.

Role Description

This is a full-time remote role for a Senior Offensive Security Consultant focused on web application and API penetration testing. You will conduct manual web app and API assessments, develop custom proof-of-concept exploits when standard tooling falls short, and produce technical reports and executive summaries that translate findings into clear business risk and remediation guidance. You will contribute to HALOCK's testing methodology and framework, stay current on emerging threats and attacker TTPs, and represent the practice professionally in client-facing kickoff and delivery meetings. This role is for someone who tests manually, understands their methodology, and can own an engagement from scoping to report delivery with minimal oversight.

Key Responsibilities

• Conduct web application and API penetration testing using a variety of manual methods, tools, and techniques
• Develop custom proof-of-concept exploits and tooling when automated or existing tools are insufficient
• Produce clear, comprehensive technical reports and executive summaries that outline vulnerabilities, business impact, and remediation guidance
• Stay current on emerging threats, TTPs, and cyber security trends
• Contribute to HALOCK's penetration testing framework, including deliverables, custom script development, testing methods and techniques, and ongoing research
• Participate in project kickoff and report delivery meetings
• Model professional standards in client-facing and internal communications, including being prepared, on time, and responsive during active engagements.

Qualifications

• Minimum of 6-8 years of professional experience in hands-on manual web application and API penetration testing across a variety of technologies
• Strong knowledge of web application and API security testing tools
• Skills-based industry certification (e.g., OSWA, BSCP, ASCP, etc.)
• Demonstrated ability to develop custom tooling in Python, Bash, or similar
• Excellent ability to troubleshoot technical issues
• Exhibit extensive knowledge of industry standard penetration testing frameworks and methods (e.g., PTES, OWASP, MITRE ATT&CK)
• Strong organizational skills, including ability to deliver with minimal supervision
• Strong professionalism and speaking/writing skills
• Ability to multi-task without compromising deadlines and assignment expectations
• Basic project management competencies such as following process and protocol for project delivery, ability to identify project risks, project multitasking, and ability to self-manage when appropriate
• Ability to execute assessments as defined in project plans, within assigned budgets and due dates

Preferred / Nice to Have

• Previous experience conducting penetration testing in a consulting capacity
• Cross discipline experience in areas such as network penetration testing, adversarial engagements, mobile application testing, and/or source code review.
• Working knowledge of PCI DSS, HIPAA, and SOC 1/2, and the ability to translate offensive security findings into compliance-relevant risk and remediation guidance.
• Formal education in Information Security, Information Technology, Computer Science, Engineering or related discipline
• Desire to contribute to HALOCK’s blog and/or speak at industry conferences on occasion

Disclosures

• HALOCK is an Equal Opportunity Employer. We are committed to creating an inclusive environment for all employees.
• All candidates invited to interview will be required to have their camera enabled for the duration of all interview sessions.
• Full background checks are performed, with consent, on all successful candidates before employment offers can be extended.
• US citizens and Green Card holders, EAD and TN are encouraged to apply. We are unable to sponsor H1B candidates at this time.
• No 3rd parties please. Individuals only need apply.

Pay: $130,000.00 - $165,000.00 per year

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Paid time off
• Parental leave
• Professional development assistance
• Retirement plan

Education:

• Bachelor's (Preferred)

Experience:

• Penetration testing: 5 years (Required)

Language:

• English (Required)

Work Location: Remote