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Senior Application Security Engineer Jobs in Washington

Upside

Staff Application Security Engineer

Washington, DC · On-site

$210 - $230/hr

Innovate with AI and deliver security solutions to mitigate application vulnerabilities * Run security code tests (SAST, SCA) and partner with engineers to remediate unsafe code * Create threat ...

Amazon

Security Engineer, AWS AppSec

Herndon, VA

$60.50 - $80.75/hr

Senior engineers on your team will help you develop depth in application security and sharpen your ability to communicate risk clearly Over time, you'll own relationships with partner teams and ...

Amazon

Security Engineer, AWS AppSec

Herndon, VA · On-site

$60.50 - $80.75/hr

Senior engineers on your team will help you develop depth in application security and sharpen your ability to communicate risk clearly Over time, you'll own relationships with partner teams and ...

Amazon

Security Engineer, AWS AppSec

Herndon, VA · On-site

$60.50 - $80.75/hr

Senior engineers on your team will help you develop depth in application security and sharpen your ability to communicate risk clearly. Over time, you'll own relationships with partner teams and ...

Cvent

Senior Engineer, Application Security

Tysons, VA · On-site

$59.50 - $79.25/hr

We're seeking a senior, builder-minded Application Security Engineer who can go deep on hard technical problems while setting the direction for how AI reshapes a security program. This isn't someone ...

Samprasoft

Mid Security

Washington, DC · On-site

$66.50 - $89/hr

Lead Application Security Engineer To drive integrating security seamlessly into the Software development lifecycle, the Lead Application Security Engineer will serve as a technical subject matter ...

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Senior Application Security Engineer information

See Washington salary details

$83.2K

$155.3K

$211.2K

How much do senior application security engineer jobs pay per year?

As of Aug 24, 2026, the average yearly pay for senior application security engineer in Washington is $155,314.00, according to ZipRecruiter salary data. Most workers in this role earn between $129,700.00 and $177,800.00 per year, depending on experience, location, and employer.

What is a senior application security engineer?

A Senior Application Security Engineer is responsible for ensuring the security of software applications by identifying vulnerabilities, implementing security best practices, and working with development teams to integrate secure coding principles. They conduct security assessments, perform threat modeling, and use security tools to detect and remediate risks. Additionally, they help establish security policies, oversee compliance with industry standards, and provide guidance to developers and stakeholders on security-related matters. Their goal is to protect applications from cyber threats while enabling business continuity and innovation.

What are the key skills and qualifications needed to thrive as a senior application security engineer?

To thrive as a Senior Application Security Engineer, you need a solid understanding of secure software development, threat modeling, vulnerability assessment, and a degree in computer science or a related field. Familiarity with tools like static and dynamic application security testing (SAST/DAST), code review platforms, and certifications such as CISSP or OSCP are often required. Strong analytical thinking, attention to detail, effective communication, and the ability to collaborate are standout soft skills for this role. These capabilities help ensure robust protection of applications, support safe software delivery, and enable effective teamwork across engineering and security teams.

What are the typical responsibilities of a senior application security engineer on a day-to-day basis?

A Senior Application Security Engineer typically spends their days reviewing application code for security vulnerabilities, performing threat modeling, and collaborating closely with development teams to ensure secure coding practices are followed. They may also lead security assessments, coordinate penetration tests, and work on developing or enforcing security policies within the organization. Regular interaction with cross-functional teams, such as DevOps and IT, is common to address security issues throughout the software development lifecycle. This role also often involves mentoring junior engineers and staying up to date with the latest security threats and technologies.

What are the most commonly searched types of Application Security Engineer jobs in Washington?

The most popular types of Application Security Engineer jobs in Washington are:

What are popular job titles related to Senior Application Security Engineer jobs in Washington?

For Senior Application Security Engineer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Senior Application Security Engineer jobs in Washington look for?

The top searched job categories for Senior Application Security Engineer jobs in Washington are:

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Cities in Washington with the most Senior Application Security Engineer job openings:

Senior Application Security Engineer jobs near you
Infographic showing various Senior Application Security Engineer job openings in Washington as of August 2026, with employment types broken down into 75% Full Time, 15% Part Time, 2% Temporary, and 8% Contract. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution, with an average salary of $155,314 per year, or $74.7 per hour.

Web Application Security Engineer (AppSec / DevSecOps)

Washington, DC • On-site

Essnova Solutions, Inc.
Software Development • 1 - 10 employees
Learn more about Essnova Solutions, Inc.external

$66.50 - $89/hr

Full-time

Re-posted 4 days ago

Job description

Location: Washington, DC Metropolitan Area (Hybrid)
Employment Type: Full-Time
Clearance: Public Trust (Tier 2) or ability to obtain*
About Essnova Solutions
Essnova Solutions is a growing technology consulting firm delivering innovative IT, cloud, cybersecurity, engineering, and digital transformation solutions to Federal Government clients. We are committed to technical excellence, collaboration, and providing our employees with opportunities to solve complex mission challenges.
Position Summary
Essnova Solutions is seeking an experienced Web Application Security Engineer to support a federal customer by integrating security throughout the software development lifecycle (SDLC) and protecting enterprise web applications and APIs from evolving cyber threats. The ideal candidate has experience with application security, secure software development, vulnerability management, DevSecOps, and federal cybersecurity frameworks.
Key Responsibilities
  • Embed security throughout the Software Development Lifecycle (SDLC).
  • Perform web application vulnerability assessments, penetration support, and threat modeling activities.
  • Identify, prioritize, and remediate application security vulnerabilities.
  • Implement secure coding standards aligned with OWASP Top 10 and industry best practices.
  • Configure and maintain Web Application Firewalls (WAF) and application security controls.
  • Integrate application security tools into CI/CD pipelines and DevSecOps workflows.
  • Monitor application logs and investigate security events affecting web applications and APIs.
  • Collaborate with software developers, DevOps engineers, and cybersecurity teams to improve application security posture.
  • Support compliance with NIST, FISMA, FedRAMP, and other federal cybersecurity standards.
  • Develop security documentation, technical recommendations, and remediation guidance.
Required Qualifications
  • Experience in Application Security (AppSec), Web Application Security, or Product Security.
  • Strong knowledge of secure software development practices and Secure SDLC.
  • Experience performing vulnerability assessments, threat modeling, and application security testing.
  • Knowledge of OWASP Top 10, common web application vulnerabilities, and remediation techniques.
  • Experience implementing or supporting Web Application Firewalls (WAF).
  • Experience integrating security into CI/CD pipelines and DevSecOps environments.
  • Familiarity with federal cybersecurity frameworks including NIST and FedRAMP.
  • Excellent analytical, troubleshooting, and communication skills.
Preferred Qualifications
  • Experience with SAST, DAST, Software Composition Analysis (SCA), or similar application security tools.
  • Experience with secure code reviews and developer security training.
  • Experience supporting cloud-native applications within AWS and/or Microsoft Azure.
  • Experience supporting federal government or highly regulated environments.
  • Relevant security certifications such as:
    • CSSLP
    • OSCP
    • OSWE
    • GWEB
    • CASE
    • Security+
    • GSEC
Clearance
  • Public Trust (Tier 2) clearance or the ability to obtain and maintain one.*
Why Join Essnova?
At Essnova Solutions, you'll join a collaborative team supporting high-impact federal technology initiatives. We invest in our employees by providing opportunities to work with modern cloud technologies, cybersecurity best practices, and mission-critical systems that make a real difference.

Apply