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Senior Application Security Engineer Jobs in Delaware

Senior Mainframe Application Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Senior Mainframe Application Developer Location: Wilmington, DE (Onsite) Job Details: Contract ... Security * Ability to work in large, collaborative teams to achieve organizational goals, and ...

Sr. Principal Software Engineer

Wilmington, DE · On-site

$121K - $167K/yr

The role involves delivering system design, application development, and driving innovation in ... Strong understanding of responsible AI use and control expectations at scale, including security ...

NET Developer- Onsite for a Contract position in Wilmington, DE **W2 only contract, no 3rd parties ... Strong knowledge of application security best practices and secure coding standards. Experience ...

Senior Systems Engineer

Dover, DE · On-site +1

$104K - $142K/yr

Conducting network security audits and implementing necessary measures to protect the network ... Knowledge of Cisco ACI (Application Centric Infrastructure) and experience in deploying and ...

Senior Java Engineer

Middletown, DE · On-site

$54 - $68.75/hr

Optimize application performance, scalability, reliability, and resiliency in distributed ... Implement security best practices including OAuth 2.0, OIDC, RBAC, Keycloak, HashiCorp Vault , and ...

Java Developer

Wilmington, DE · On-site

$49.50 - $64/hr

Job Summary JPMorgan Chase is seeking an experienced Java Full Stack Developer with strong ... Secure coding practices and application security knowledge. * Exposure to distributed systems and ...

.NET Developer

Wilmington, DE · On-site

$46.75 - $61.75/hr

NET Developer to design, build, and maintain enterprise-grade web applications for the banking ... application security best practices and secure coding standards. • Experience working in ...

Showing results 41-60

Senior Application Security Engineer information

See Delaware salary details

$73.6K

$137.2K

$186.7K

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

As of Aug 11, 2026, the average yearly pay for senior application security engineer in Delaware is $137,249.00, according to ZipRecruiter salary data. Most workers in this role earn between $114,600.00 and $157,100.00 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 Delaware? The most popular types of Application Security Engineer jobs in Delaware are:
What are popular job titles related to Senior Application Security Engineer jobs in Delaware? For Senior Application Security Engineer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Senior Application Security Engineer jobs in Delaware look for? The top searched job categories for Senior Application Security Engineer jobs in Delaware are:
What cities in Delaware are hiring for Senior Application Security Engineer jobs? Cities in Delaware with the most Senior Application Security Engineer job openings:
Infographic showing various Senior Application Security Engineer job openings in Delaware as of August 2026, with employment types broken down into 75% Full Time, 20% Part Time, and 5% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $137,249 per year, or $66 per hour.

Senior Mainframe Application Developer

Hirekeyz Inc

Wilmington, DE • On-site

$47.50 - $61.25/hr

Full-time

Re-posted 27 days ago


Job description

Job Title: Senior Mainframe Application Developer

Location : Wilmington, DE (5 Days Onsite)

Duraction: Full Time

Job Description:


Mandatory Skills - IBM-Z/OS COBOL, CICS, DB2, IBM MQ, VSAM, JCL, CA7, Changeman and IBM Mainframe Utilities along with problem solving skills when there is an issue

Must Have : Hands on experience on MQ and CICS

Job Description: 

•            Solid Hands on experience in IBM-Z/OS COBOL, CICS, DB2, IMS, IBM MQ, VSAM, JCL, CA7, Changeman and IBM Mainframe Utilities

•            Strong Analytical and debugging skills and experience in developing, debugging, and maintaining code in a large corporate environment

•            Overall knowledge of the Software Development Life Cycle, solid understanding of agile methodologies such as CI/CD, Application Resiliency, and Security

•            Ability to work in large, collaborative teams to achieve organizational goals, and passionate about building an innovative culture

•            On-call support for all environment including weekends on rotation basis and to participate in production issues if any arise during non on call support

•            Troubleshooting and resolving application issues in a timely and efficient manner

•            Knowledge in Banking and Cards will be best

 

Good to have : IMS