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Senior Application Security Engineer Jobs in Reston, VA

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 ...

Infojini Inc

Application Security

Bethesda, MD · On-site

$63 - $84/hr

Proactively work with team members to address security and compliance issues Provide education and assistance to application developers for applying Security Software Development Life Cycle ...

Wsgr

Senior AI Security Engineer

Washington, DC · On-site +1

$129K - $177K/yr

The Senior AI Security Engineer, under the direction of the Director, Security Engineering and ... application security, cloud security, or AI/ML engineering, with at least 2 years focused on AI ...

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Senior Application Security Engineer information

See Reston, VA salary details

$76.5K

$142.7K

$194K

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

As of Aug 12, 2026, the average yearly pay for senior application security engineer in Reston, VA is $142,665.00, according to ZipRecruiter salary data. Most workers in this role earn between $119,100.00 and $163,300.00 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 popular job titles related to Senior Application Security Engineer jobs in Reston, VA? For Senior Application Security Engineer jobs in Reston, VA, the most frequently searched job titles are:
What job categories do people searching Senior Application Security Engineer jobs in Reston, VA look for? The top searched job categories for Senior Application Security Engineer jobs in Reston, VA are:
What cities near Reston, VA are hiring for Senior Application Security Engineer jobs? Cities near Reston, VA 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 Reston, VA as of June 2026, with employment types broken down into 71% Full Time, 28% Part Time, and 1% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $142,665 per year, or $68.6 per hour.

Security Engineer (Web Application)

gTANGIBLE

Arlington, VA

$67.50 - $90.25/hr

Full-time

Re-posted 10 days ago

Job description

gTANGIBLE Corporation (gTC), www.gtangible.com, is a C corporation and a registered Government contractor that provides services and solutions in:

  • National Security Programs
  • Professional, Administrative, and Management Support
  • Mission and Warfighter Support

We are a Service-Disabled Veteran-Owned Small Business (SDVOSB) and the founder has years of successful experience in the Government contracting arena. Our leadership team is an exceptional group of Government contracting professionals. gTANGIBLE is in the process of identifying candidates for the following position.

Requisition Type: Full Time

Position Status: Contingent

Position Title: Security Engineer (Web Application)

Location: Arlington, VA

Security Clearance: Secret

Duties and Responsibilities

The Security Engineer (Web Application) supports this Transportation Security Administration Information Technology (TSA IT) Task Order (TO) by web application testing that require testing both via automated tools and with manual testing techniques. Application testing will require authenticated and non-authenticated testing to ensure full evaluation of the cybersecurity controls for the applications. Off hours testing conducted on a as needed basis. Periodic travel required. Duties include the following:

  • Identifies flaws in business logic, programmatic vulnerabilities and weaknesses, and ensures appropriate and consistent risk levels are assigned to such findings.
  • Identifies policy gaps, deficiencies and recommends updates, additions, and modification to TSA security policy.
  • Conducts security testing of web applications, web services, end points, (and other web-related assets) using both Information Assurance & Cybersecurity Division (IAD)-provided automated testing tools and manual testing techniques.
  • Analyzes and validates test results and removes false positives and submits to stakeholders.
  • Participates with stakeholders regarding findings meetings and responses.
  • Provides Subject Matter Expertise on emerging web and mobile technologies, languages, and frameworks. In addition, also provide and support on external security audits conducted of the TSA.

Knowledge and Qualifications

  • At least ten (10) years of technical IT security experience.
  • At least five (5) years of experience performing web application security testing, software development and/or testing.
  • At least three (3) years of experience performing web application security testing using manual techniques and vulnerability testing tools and/or code review tools for Federal IT systems.
  • Ability to work independently/minimal oversight.
  • Experience with manual web security testing techniques.
  • Strong understanding of NIST SP 800-53 and DISA STIGS.
  • Required Certifications: CISSP, CEH, GWAPT or other relevant certifications.
  • Experience with WebInspect, AppScan, BurpSuite, SmartBear SoapUI, Nessus Professional, HP Fortify, Apple Developers Toolkit, Eclipse, and Wireshark.
  • Strong organizational, analytical, and technical writing skills to be able to document findings in reports.

gTANGIBLE Corporation is an equal opportunity employer and does not discriminate against any employee or applicant because of race, age, sex, color, physical or mental disability, religion, sexual orientation, marital status, national origin, or political affiliation.

Employment Type: Full-Time

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