Agile Defense13d ago

New

USD 115000–150000/yr

Senior Penetration Tester

RemoteRegularsenior

EngineeringSecurity Engineer

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Quick Summary

Requirements Summary

One or more certifications for VAT Analysts: GPEN, GWAPT, GSNA, GMON, GISF, GAWN, GWEB, GXPN, CEH, GNFA, OSCP, OSEE, OSCE, OSWP,

Technical Tools

EngineeringSecurity Engineer

About Agile Defense

At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.

Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests.

Requisition #: 1697

Job Title: Senior Penetration Tester

Location: Remote

Clearance Level: Public Trust, Must Have Ability to Obtain a Clearance

Agile Defense is currently seeking Penetration Testers to support an Agency-level Cybersecurity program. The position will join the team of testers that currently conduct ongoing enterprise-level penetration testing. To support this vital mission, AD staff are on the forefront of providing Advanced Cyber Network Defense Operations support to include the development of advanced analytics and countermeasures to protect critical assets from hostile adversaries. To ensure the integrity, security, and resiliency of critical operations, we are seeking candidates with diverse backgrounds in cyber security systems operations, threat analysis, continuous monitoring, vulnerability assessment, and penetration testing. Candidates must have strong written and verbal communications skills, researching and analysis skills, and attention to detail. The ideal candidate will have a solid understanding of operating system and application vulnerabilities, exploits, technical report writing, and hands-on experience conducting web application penetration testing.

Position is contingent on successfully completing a program-based background investigation.

Conduct web application and API database penetration testing efforts.

Analyze application workflows, API endpoints, authentication mechanisms, and authorization controls to identify security weaknesses and business logic flaws.

Coordinate with system owners, developers, and security personnel to communicate findings and support remediation efforts.

Conduct validation testing of potentially remediated vulnerabilities.

Draft and review analysis reports resulting from penetration testing.

Stay current with emerging security threats, vulnerabilities, attack techniques, and mitigation strategies relevant to penetration testing.

Collaborate with fellow assessment and agency Cybersecurity personnel on enterprise security initiatives and testing operations.

Analyzes for weaknesses in company systems. Devises tests and scenarios for various penetration tests.

Documents results and communicates them to engineers and management.

Provides recommendations for new technologies and system designs according to test results.

Develops automated testing programs where possible and efficient.

Typically has a bachelor degree, and 4-5 years of experience, or equivalent relevant work experience; e.g., each year of work experience may be substituted for each year of education required.

4-5 years

A minimum of 3 years of experience with assessing APT threats, Penetration Testing, Vulnerability Management, attack methodologies, malware analysis, attack surface comprehension, Cyber Threat Emulation operations, Cyber Advanced Threat Emulation Team operations and research, identification, and verification of new APT TTPs.

Familiarity with API testing methodologies including REST, SOAP, JSON, XML, and authentication/token-based workflows.

Understanding of OWASP Top 10, API Security Top 10, and common web application attack vectors.

Experience writing technical security assessment reports and communicating findings to both technical and non-technical stakeholders

Experience with Kali Linux, Metasploit, Burp suite, and post-exploitation frameworks.

Knowledge and experience in Penetration Testing, SOC support, and coordination with security teams to strengthen Enterprise security posture.

Research and remain up to date with emerging threats and Threat Emulation methodologies.

Able to automate tasks and script at a basic level.

Familiarity with NIST and FISMA compliance.

A working knowledge of the various operating systems (e.g. Windows, OS X, Linux, etc.) commonly deployed in enterprise networks, a conceptual understanding of Windows Active Directory is also required, and a working knowledge of network communications and routing protocols (e.g. TCP, UDP, ICMP, BGP, MPLS, etc.) and common internet applications and standards (e.g. SMTP, DNS, DHCP, SQL, HTTP, HTTPS, etc.).

Requirements

~2 min read

One or more certifications for VAT Analysts: GPEN, GWAPT, GSNA, GMON, GISF, GAWN, GWEB, GXPN, CEH, GNFA, OSCP, OSEE, OSCE, OSWP, CISSP

Experience developing custom exploits and exploitation tools in support of authorized penetration tests or cyber threat emulation exercises.

Experience with analyzing deceptive technologies such as honeynets.

Ability to work with a cyber network defense organization to improve an organization’s detection capabilities.

Expertise in policies, industry trends, techniques related to penetration testing.

Existing Subject Matter Expert of Advanced Persistent Threat or Emerging Threats

Remote position

Our Core Values

Employees of Agile Defense are our number one priority, and the importance we place on our culture here is fundamental. Our culture is alive and evolving, but it always stays true to its roots. Here, you are valued as a family member, and we believe that we can accomplish great things together. Agile Defense has been highly successful in the past few years due to our employees and the culture we create together.

What makes us Agile? We call it the 6Hs, the values that define our culture and guide everything we do. Together, these values infuse vibrancy, integrity, and a tireless work ethic into advancing the most important national security and critical civilian missions. It's how we show up every day. It's who we are.

Happy - Be Infectious. Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do.
Helpful - Be Supportive. Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated.
Honest - Be Trustworthy. Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support.
Humble - Be Grounded. Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task.
Hungry - Be Eager. Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges.
Hustle - Be Driven. Hustle is reflected in our relentless work ethic, where we are each committed to going above and beyond to advance the mission and achieve success.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

Location & Eligibility

Where is the job

Worldwide

Fully remote, anywhere in the world

Who can apply

Same as job location

Listing Details

Posted: June 29, 2026
First seen: July 3, 2026
Last seen: July 11, 2026

Posting Health

Days active: 0
Repost count: 0
Trust Level: 87%
Scored at: July 3, 2026

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Agile Defense

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Agile Defense: Always Evolving. Agile Defense stands at the forefront of innovation, driving advanced capabilities and solutions tailored to the most critical national security and civilian missions.

Employees

3k+

Founded

1998

Domain

agile-defense.com

Jobs

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Salary

USD 115000–150000

per year