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remoteroles

Application Security Engineer

CACI Open · verified Oct 24, 2026
Remote United States O'fallon Full-time Mid-level Application & Product Security

At a glance

Mid-level Application & Product Security role at CACI. Remote, United States · full-time · $75,200–$158,100 base.

SalaryStated by CACI
$75,200 – $158,100
Base salary for this role, in USD per year, as published in the posting.
RoleApplication & Product Security
SeniorityMid-level
LocationUnited States
WorkplaceRemote
EmploymentFull-time
Base pay$75,200–$158,100
PostedOct 21, 2026 · 3d ago
Also hiring inO'fallon
Role brief

remoteroles summary, based on the employer's posting.

What you'll do

  • Run Fortify scans on assigned applications and use SonarQube to check code quality and security
  • Test applications at runtime, then coordinate penetration tests and guide developers on fixing findings
  • Review source code, record actionable findings, and confirm vulnerabilities are resolved
  • Check application controls against program and DoD requirements, then write assessment and test reports
  • Help the cybersecurity architect shape secure development practices from design through deployment

What you bring

  • An active Secret or TS clearance and three to five years in application security, secure development, or penetration testing
  • Hands-on SAST platform experience, knowledge of OWASP Top 10 and common vulnerabilities, and penetration-test experience
  • The required DoD 8140.03M DCWF Basic Tier CEH qualification

Who this fits

This mid-level role suits someone with application security or penetration-testing experience who can work with developers on practical fixes. The job is remote in the United States, requires an active Secret or TS clearance, and includes travel to Scott Air Force Base quarterly, with travel listed as up to ten percent.

From the employer

Job Title: Application Security 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 cybersecurity team securing applications that support a critical DoD mission. In this role, you’ll embed security directly into the software development lifecycle, partner with developers and architects, and use industry‑leading tools to identify, validate, and remediate vulnerabilities across a diverse application ecosystem.

You will:

  • Embed robust security practices into the secure SDLC from design through deployment

  • Execute both static (SAST) and dynamic (DAST) application security testing using enterprise tooling

  • Lead and support penetration testing engagements, guiding developers through actionable remediation

  • Work within a fully staffed cybersecurity program—including architecture, GRC, and operations experts

  • Grow your expertise across the AppSec spectrum: code review, runtime testing, and compliance validation


Responsibilities:

  • Perform SAST using Fortify across assigned applications

  • Conduct continuous code quality and security analysis using SonarQube

  • Execute DAST to identify runtime vulnerabilities

  • Coordinate and execute penetration testing engagements

  • Conduct secure code reviews and document findings with actionable guidance

  • Track and verify vulnerability remediation through closure

  • Validate application security controls against program and DoD requirements

  • Author application security assessment and penetration test reports

  • Support the Cybersecurity Architect with secure SDLC process design


Qualifications:

Required:

  • Active Secret or TS clearance

  • 3–5 years of experience in application security, secure development, or penetration testing

  • Hands‑on experience with SAST platforms (Fortify preferred)

  • Working knowledge of OWASP Top 10 and common application vulnerability classes

  • Demonstrated experience conducting or supporting penetration tests

  • DoD 8140.03M DCWF Basic Tier — CEH

  • DoD 8140 Interim Education Options

    Required to travel to Scott Airforce base on a quarterly basis


Desired:

  • DoD 8140.03M DCWF Intermediate Tier — 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, IT, or Software Engineering

  • Experience with SonarQube or similar secure code analysis platforms

  • Familiarity with DevSecOps pipelines and CI/CD security integration

  • Scripting or development experience in Python, Java, or similar languages

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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.

Opportunity

Application & Product Security work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Application & Product SecurityRemote$70k+

Find me work

By the team behind remoteroles.

Find me work
Opportunity

Application & Product Security work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind remoteroles.