Lead Application Security Engineer

Lincoln Financial Group; Radnor (Delaware County); Hybrid; USD 120,000 - 193,000; Full time

Job summary

Lincoln Financial Group in Radnor, PA seeks an experienced security engineer to protect applications and services, focusing on secure design and code reviews across the SDLC. The role requires deep expertise in web app security, Agile/DevSecOps, and AI/ML security considerations.

You will assess AI/ML security, identify vulnerabilities, and collaborate with development and infrastructure teams to remediate findings.

Qualifications

• Undergraduate degree or 4+ years of comparable work experience.
• 5-7+ years of IT experience aligned with responsibilities.
• Extensive experience in web application security.
• Strong knowledge of security throughout the SDLC.
• Experience with agile delivery practices.
• Experience integrating security into DevOps practices.
• Experience conducting source code reviews preferred.
• Experience using static application security testing tools (Fortify, Checkmarx, Veracode, etc.).
• Experience dynamic analysis with tools such as AppScan, WebInspect, BurpSuite, and OWASP ZAP, etc.
• Familiarity with network infrastructure (firewalls, WAFs, IPS).
• Familiarity with DMZ architectures.
• Agile mindset; awareness/understanding of Agile methodologies.

Responsibilities

• Secure Lincoln Financial applications and services.
• Perform design review, code review, and dynamic analysis.
• Evaluate security posture of AI/ML systems, including LLM-integrated apps, RAG pipelines, and agentic workflows.
• Identify, communicate, and drive remediation of vulnerabilities.
• Serve as SME for development and infrastructure teams.
• Communicate effectively with varied technical levels.
• Conduct security assessments of web and mobile apps.
• Research and advocate for new security solutions and technologies.
• Stay current on security trends, vulnerabilities, and testing methods.
• Contribute to policies, standards, and supporting documentation.

Skills

IT security experience

Web application security

SDLC security

Agile delivery

DevSecOps integration

Source code review

SAST tools (Fortify, Checkmarx, Verac

Dynamic testing tools (AppScan, WebIns

Network security fundamentals

DMZ architectures

Agile mindset

Education

Bachelor's degree or 4+ years in IT related field

Tools

Fortify

Checkmarx

Veracode

AppScan

WebInspect

BurpSuite

OWASP ZAP

Job description

Be Aware of Fraudulent Recruiting Activities: Lincoln values the privacy and security of every applicant and urges all applicants to diligently protect their sensitive personal information from scams targeting job seekers. These scams can take many forms including fake employment applications, bogus interviews and falsified offer letters.

Lincoln will not ask applicants to provide their social security numbers, date of birth, bank account information or other sensitive information in job applications. Additionally, our recruiters do not communicate with applicants through free e-mail accounts (Gmail, Yahoo, Hotmail) or conduct interviews utilizing video chat rooms. We will never ask applicants to provide payment during the hiring process or extend an offer without conducting a phone, live video or in-person interview. Please contact Lincoln's fraud team at [e-mail] if you encounter a recruiter or see a job opportunity that seems suspicious.

Select how often (in days) to receive an alert:

Alternate Locations: Work from Home; Charlotte, NC (North Carolina); Fort Wayne, IN (Indiana); Greensboro, NC (North Carolina); Radnor, PA (Pennsylvania)

Work Arrangement:

Remote : Work at home employee residing outside of a commutable distance to an office location.

Relocation assistance:is not available for this opportunity.

Requisition #:76525

The Role at a Glance

What you'll be doing

• Responsibility for the security of Lincoln Financial applications and services
• Conduct design review, code review, and dynamic analysis
• Evaluate the security posture of AI/ML systems, including LLM-integrated applications, RAG pipelines, and agentic workflows
• Identify, communicate, and drive the resolution of vulnerabilities
• Serve as a subject matter expert for application development and infrastructure teams
• Communicate effectively with a wide variety of technical levels
• Perform security assessments of web and mobile applications
• Research and advocate for new security solutions and technologies
• Stay current on security trends, vulnerabilities, and testing methods
• Contribute to related policies, standards, and supporting documentation

What we’re looking for

Must Haves:

• Undergraduate degree or 4+ years of comparable work experience
• 5-7+ years of experience in Information Technology that directly aligns with the specific responsibilities for this position
• Extensive experience in web application security
• Strong knowledge of application security throughout the SDLC
• Experience with agile delivery practices
• Experience integrating security into DevOps practices.
• Experience conducting source code review preferred
• Experience using static application security testing tools such as Fortify, Checkmarx, Veracode, etc.
• Experience dynamic analysis with tools such as AppScan, Webinspect, BurpSuite, and OWASP ZAP, etc.
• Familiarity with related network infrastructure, such as firewalls, WAFs, and IPS
• Familiarity with common DMZ architectures
• Agile Mindset; awareness/understanding of Agile methodologies

Nice to Haves

Application Deadline

Applications will be accepted through October 31, 2026, and the posting may be taken down early due to applicant volume.

What’s it like to work here?

At Lincoln Financial, we love what we do. We make meaningful contributions each and every day to empower our customers to take charge of their lives. Working alongside dedicated and talented colleagues, we build fulfilling careers and stronger communities through a company that values our unique perspectives, insights and contributions and invests in programs that empower each of us to take charge of our own future.

What’s in it for you:

Clearly defined career tracks and job levels, along with associated behaviors for each of Lincoln's core values andleadership attributes

Leadership development and virtual training opportunities

Free financial counseling, health coaching and employee assistance program

Tuition assistance program

Work arrangements that work for you

Effective productivity/technology tools and training

The pay range for this position is$120,375 - $192,600with anticipated pay for new hires between the minimum and midpoint of the range and could vary above and below the listed range as permitted by applicable law. Pay is based on non-discriminatory factors including but not limited to work experience, education, location, licensure requirements, proficiency and qualifications required for the role. The base pay is just one component of Lincoln’s total rewards package for employees. In addition, the role may be eligible for the Annual Incentive Program, which is discretionary and based on the performance of the company, business unit and individual. Other rewards may include long-term incentives, sales incentives and Lincoln’s standard benefits package.

About The Company

Lincoln Financial (NYSE: LNC) helps people to confidently plan for their version of a successful future. We focus on identifying a clear path to financial security, with products including annuities, life insurance, group protection, and retirement plan services.

With our 120-year track record of expertise and integrity, millions of customers trust our solutions and service to help put their goals in reach.

Lincoln Financial Distributors, a broker-dealer, is the wholesale distribution organization of Lincoln Financial. Lincoln Financial is the marketing name for Lincoln Financial Corporation and its affiliates including The Lincoln National Life Insurance Company, Fort Wayne, IN, and Lincoln Life & Annuity Company of New York, Syracuse, NY. Lincoln Financial affiliates, their distributors, and their respective employees, representatives and/or insurance agents do not provide tax, accounting or legal advice.

Lincoln is committed to creating an inclusive environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Be Aware of Fraudulent Recruiting Activities

Lincoln will not ask applicants to provide their social security numbers, date of birth, bank account information or other sensitive information in job applications. Additionally, our recruiters do not communicate with applicants through free e-mail accounts (Gmail, Yahoo, Hotmail) or conduct interviews utilizing video chat rooms. We will never ask applicants to provide payment during the hiring process or extend an offer without conducting a phone, live video or in-person interview. Please contact Lincoln's fraud team at [e-mail] if you encounter a recruiter or see a job opportunity that seems suspicious.

This position may be subject to Lincoln’s Political Contribution Policy. An offer of employment may be contingent upon disclosing to Lincoln the details of certain political contributions. Lincoln may decline to extend an offer or terminate employment for this role if it determines political contributions made could have an adverse impact on Lincoln’s current or future business interests, misrepresentations were made, or for failure to fully disclose applicable political contributions and or fundraising activities.

Any unsolicited resumes or candidate profiles submitted through our web site or to personal e-mail accounts of employees of Lincoln Financial are considered property of Lincoln Financial and are not subject to payment of agency fees.

Lincoln Financial ("Lincoln" or "the Company") is an Equal Opportunity employer and, as such, is committed in policy and practice to recruit, hire, compensate, train and promote, in all job classifications, without regard to race, color, religion, sex, age, national origin or disability. Opportunities throughout Lincoln are available to employees and applicants are evaluated on the basis of job qualifications. If you are a person with a disability that impedes your ability to express your interest for a position through our online application process, or require TTY/TDD assistance, contact us by calling [phone].

This Employer Participates in E-Verify. See the E-Verify notices.