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Senior Application Security Engineer

Agile Defense

Remote Remote permanent

Posted: May 6, 2026

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Quick Summary

Senior Application Security Engineer must be skilled in security and application development with experience in security testing and development projects, and have expertise in security frameworks and protocols.

Job Description

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 #: 1587

Job Title: Senior Application Security Engineer

Location: Remote

Clearance Level: Must Have Ability to Obtain a Public Trust


Job Description:
• Work together with the client and application community to maintain a resilient security posture for highly visible applications.

• Remediate application security flaws in conjunction with the application security team.
Lead security discussions with the application teams to prescribe security best practices within their development lifecycle.

• Perform dynamic and static application performance testing, perform security requirements creation or generation-level threat modeling leveraging tools, including SD Elements, and perform application-level testing using applications such as Burp Suite.

• Work with the latest OWASP frameworks.


Education and Background:
IT related Bachelor's Degree


Years of Experience:
6+ years of Information Technology experience 3+ years of experience with supporting Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), and IDE Plug-in environments using Burp Suite


Required Skills:
• The areas of focus are Burp Enterprise experience performing DAST scanning. Many candidates have experience with Burp Professional, but this is focused on SAST scanning. The candidate should also have Veracode experience performing SAST scanning. Candidate need to know their way around a Linux environment and some type of coding and/or scripting experience is a must.

• Must be a U.S. citizen and able to get a public trust.

• 1+ year of experience with supporting Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), and IDE Plug-in environments using Veracode

• 2+ years of experience with Java, Python, .NET, or C#

• 3+ years of experience using the design and implementation of enterprise-wide security controls to secure applications, systems, network, or infrastructure services

• Experience with Eclipse, JDeveloper, including pipeline development, or Visual Studio

• Experience with securing enterprise web applications and OWASP Top 10, CVSS, CWE, WASC, and SANS-25

• Knowledge of federal compliance standards, including NIST 800-53, FIPS, or FedRAMP

• 2+ years experience working in Linux based environments, including navigating and troubleshooting basic website connectivity issues


Preferred Skills:
• Experience with Interactive Application Security Testing (IAST) capabilities and tools

• Experience with HackerOne

• Experience with Selenium

• Experience writing bash scripts

• Experience with OWASP ZAP or Burp Proxy


Working Conditions:
Remote opportunity


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

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