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Appsec Engineer Jobs (NOW HIRING)

AppSec Engineer

$75K - $158K/yr

AppSec Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel:

AppSec Engineer

Los Angeles, CA · On-site

$63.25 - $84.50/hr

AppSec Engineer Our Engineering Standards at Karbon: Balance Speed and Quality Engineers are expected to balance delivery speed with a strong commitment to quality, meeting agreed timelines while ...

AppSec Engineer

Denver, CO

$60.50 - $80.75/hr

AppSec Engineer Our Engineering Standards at Karbon: Balance Speed and Quality Engineers are expected to balance delivery speed with a strong commitment to quality, meeting agreed timelines while ...

AppSec Engineer

Austin, TX · On-site

$58.25 - $77.75/hr

AppSec Engineer Our Engineering Standards at Karbon: Balance Speed and Quality Engineers are expected to balance delivery speed with a strong commitment to quality, meeting agreed timelines while ...

AppSec Engineer

Austin, TX · On-site

$58.25 - $77.75/hr

AppSec Engineer Our Engineering Standards at Karbon: Balance Speed and Quality Engineers are expected to balance delivery speed with a strong commitment to quality, meeting agreed timelines while ...

AppSec Engineer

San Diego, CA · On-site

$62.50 - $83.25/hr

AppSec Engineer Our Engineering Standards at Karbon: Balance Speed and Quality Engineers are expected to balance delivery speed with a strong commitment to quality, meeting agreed timelines while ...

AppSec Engineer

Chicago, IL · On-site

$60.50 - $80.75/hr

AppSec Engineer Our Engineering Standards at Karbon: Balance Speed and Quality Engineers are expected to balance delivery speed with a strong commitment to quality, meeting agreed timelines while ...

AppSec Engineer

San Francisco, CA · On-site

$69.25 - $92.50/hr

AppSec Engineer Our Engineering Standards at Karbon: Balance Speed and Quality Engineers are expected to balance delivery speed with a strong commitment to quality, meeting agreed timelines while ...

AppSec Engineer ID71671

Jersey City, NJ · On-site

$61.25 - $82/hr

The role requires 3-5 years of combined software engineering and AppSec experience. WHAT YOU WILL DO - Write and maintain the scripts necessary to integrate security gates such as SAST, DAST, and SCA ...

AppSec Engineer ID71671

Dallas, TX · On-site

$58.25 - $77.75/hr

The role requires 3-5 years of combined software engineering and AppSec experience. WHAT YOU WILL DO - Write and maintain the scripts necessary to integrate security gates such as SAST, DAST, and SCA ...

AppSec Engineer ID71671

Fort Lauderdale, FL · On-site

$56.25 - $75/hr

The role requires 3-5 years of combined software engineering and AppSec experience. WHAT YOU WILL DO - Write and maintain the scripts necessary to integrate security gates such as SAST, DAST, and SCA ...

AppSec Engineer ID71671

Atlanta, GA · On-site

$57.75 - $77/hr

The role requires 3-5 years of combined software engineering and AppSec experience. WHAT YOU WILL DO - Write and maintain the scripts necessary to integrate security gates such as SAST, DAST, and SCA ...

Lead AppSec Engineer

Stamford, CT · On-site +1

$62.75 - $83.75/hr

TheLeadSecurity Engineer willbe responsible forsupporting Gartner's AppSec function. This individual will play an integral rolein, executingdaily vulnerability Assessments functions; working closely ...

AppSec Engineer ID71671

Los Angeles, CA · On-site

$63.25 - $84.50/hr

The role requires 3-5 years of combined software engineering and AppSec experience. WHAT YOU WILL DO - Write and maintain the scripts necessary to integrate security gates such as SAST, DAST, and SCA ...

Lead AppSec Engineer

Fort Myers, FL · On-site +1

$54.75 - $73.25/hr

TheLeadSecurity Engineer willbe responsible forsupporting Gartner's AppSec function. This individual will play an integral rolein, executingdaily vulnerability Assessments functions; working closely ...

Lead AppSec Engineer

Irving, TX · On-site

$56.50 - $75.50/hr

The Lead Security Engineer will be responsible for supporting Gartner's AppSec function. This individual will play an integral role in, executing daily vulnerability Assessments functions; working ...

AI AppSec Engineer Lead

Irvine, CA · On-site

$62.75 - $83.75/hr

Access on-demand professional development resources that allow you to hone existing skills and learn new ones "I can succeed as a AI AppSec Engineer Lead at Capital Group" As a Lead AI AppSec ...

Lead AppSec Engineer

Irving, TX · On-site +1

$56.50 - $75.50/hr

TheLeadSecurity Engineer willbe responsible forsupporting Gartner's AppSec function. This individual will play an integral rolein, executingdaily vulnerability Assessments functions; working closely ...

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Showing results 1-20

Appsec Engineer information

What are the key skills and qualifications needed to thrive as an AppSec Engineer, and why are they important?

To thrive as an AppSec Engineer, you need a solid understanding of application security principles, secure coding practices, and vulnerability assessment, typically supported by a degree in computer science or a related field. Familiarity with tools like static and dynamic application security testing (SAST/DAST), OWASP frameworks, and certifications such as CISSP or OSCP is highly valued. Strong analytical thinking, problem-solving abilities, and effective communication skills help you collaborate across development and security teams. These skills are crucial for identifying, mitigating, and preventing security risks in software applications, thereby protecting organizational assets and user data.

What does an AppSec Engineer do?

An Application Security (AppSec) Engineer is responsible for ensuring the security of software applications by identifying and mitigating vulnerabilities throughout the software development lifecycle. They work closely with development teams to implement secure coding practices, perform code reviews, conduct security assessments, and respond to security incidents. Additionally, AppSec Engineers often use automated tools to scan for security flaws and help educate teams on the latest security threats and best practices.

What are some common challenges Appsec Engineers face when collaborating with development teams?

Appsec Engineers often work closely with software developers to integrate security best practices into the development lifecycle. A common challenge is balancing security requirements with project timelines and feature delivery, as development teams may prioritize speed over thorough security reviews. Effective communication and the ability to educate colleagues about secure coding practices are essential for overcoming these challenges. Additionally, Appsec Engineers may need to adapt to various development methodologies, such as Agile or DevOps, which can impact how and when security is incorporated into projects.
More about Appsec Engineer jobs
What states have the most Appsec Engineer jobs? States with the most job openings for Appsec Engineer jobs include:
What job categories do people searching Appsec Engineer jobs look for? The top searched job categories for Appsec Engineer jobs are:
Infographic showing various Appsec Engineer job openings in the United States as of July 2026, with employment types broken down into 16% Internship, 9% As Needed, 43% Full Time, 1% Contract, and 31% Nights. Highlights an 73% Physical, 6% Hybrid, and 21% Remote job distribution.
AppSec Engineer

$75K - $158K/yr

Full-time

Medical, Retirement, PTO

Posted 12 days ago


Job description

Job Title: AppSec Engineer
Job Category: Information Technology
Time Type: Full time
Minimum Clearance Required to Start: Secret
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Local
* * *
The Opportunity:
Join a mission-driven DoD program where your expertise in application security directly strengthens national defense. In this role, you will shape and elevate AppSec across a complex, modern application ecosystem-leading testing operations, influencing secure development practices, and mentoring the next generation of security engineers. You will work side-by-side with the Cybersecurity Architect to define secure SDLC strategy and ensure security is deeply woven into every phase of development, from initial design through final deployment.
REMOTE!
Responsibilities:
  • Lead SAST operations using Fortify, including full ownership of findings triage and remediation tracking
  • Oversee SonarQube continuous code security analysis and quality gate governance
  • Manage and execute DAST testing and runtime vulnerability assessments
  • Plan, lead, and deliver penetration testing engagements across varied application stacks
  • Lead secure code reviews and coach developers on remediation techniques
  • Own application vulnerability remediation tracking, verification, and closure
  • Develop and maintain standards for AppSec assessments and penetration test reporting
  • Drive secure development lifecycle (SDLC) compliance across assigned application portfolios
  • Mentor junior and mid-level AppSec engineers, fostering technical growth and excellence
  • Serve as the AppSec liaison to the Cybersecurity Architect to advance program-wide SDLC security strategy

Qualifications:
Required:
  • Active Secret clearance
  • 6-9 years of experience in application security, penetration testing, or secure software development
  • Advanced proficiency with Fortify and SonarQube
  • Demonstrated experience leading penetration testing engagements and performing secure code reviews
  • Strong knowledge of web application, API, and mobile application vulnerabilities
  • Proven ability to mentor and develop junior AppSec engineers

  • DoD 8140.03M DCWF Intermediate Tier certification - one of: CEH(P), RCCE Level 1, Cloud+, CPTE, FITSP-A, GCED, GCIH, GCSA, GICSP, GSEC, PenTest+, or Security+

  • Bachelor's degree in Computer Science, Cybersecurity, Data Science, Information Systems, Information Technology, or Software Engineering

Desired:
  • Multiple DoD 8140.03M DCWF Advanced Tier 541 certifications
  • OSCP or equivalent offensive security certification
  • Experience integrating security into DevSecOps pipelines
  • Prior experience developing AppSec programs or secure coding standards within a DoD environment

  • DoD 8140.03M DCWF Advanced Tier certification - one of: CFR, CISA, CISM, CySA+, GPEN, or GSNA

  • Master's or Ph.D. in Computer Science, Cybersecurity, Data Science, Information Systems, Information Technology, or Software Engineering

What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
Since this position can be worked in more than one location, the range shown is the national average for the position.
The proposed salary range for this position is:
$75,200-$158,100
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.