Nasdaq

Sr. Specialist - Information Security

Nasdaq$90K — $130K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Information Systems, or related field, or equivalent practical experience.
  • Active certification from a recognized security body (e.g., SANS, OffSec, or ISC2).
  • 5+ years of experience in application security, information security, or a related discipline.
  • Proven ability to analyze complex system vulnerabilities and develop effective technical remediation strategies.
  • Strong understanding of web application security threats and secure software development practice.

Responsibilities

  • Conduct security assessments, penetration tests, red team exercises and risk evaluations across systems, networks, and applications of varying complexity.
  • Detect security vulnerabilities and help design and maintain security aspects of the solutions across new and existing applications, systems architecture, and continuous integration and delivery pipelines.
  • Identify and remediate complex system vulnerabilities, including web application threats, malicious code, and network-level exposures.
  • Leverage AI tools to enhance team productivity and evaluate emerging technologies to drive continuous improvement in security practices.
  • Prepare security risk analysis reports and develop response procedures to support informed decision-making across the organization.

Benefits

  • Opportunity for a hybrid work environment at least 3 days a week in-office, providing flexibility and accessibility for qualified candidates.
Full Job Description

As a Senior Specialist on our Information Security Team, you'll play a critical role in protecting Nasdaq's platforms and systems by discovering security vulnerabilities and delivering security solutions across our software development and infrastructure environments.

You'll thrive in this position if you're technically sharp, solutions-focused, and motivated by staying ahead of emerging threats in a fast-paced, high-impact global environment.

Key Responsibilities

  • Conduct security assessments, penetration tests, red team exercises and risk evaluations across systems, networks, and applications of varying complexity.

  • Detect security vulnerabilities and help design and maintain security aspect of the solutions across new and existing applications, systems architecture, and continuous integration and delivery pipelines.

  • Identify and remediate complex system vulnerabilities — including web application threats, malicious code, and network-level exposures — across applications.

  • Leverage AI tools to enhance team productivity and evaluate emerging technologies to drive continuous improvement in security practices.

  • Prepare security risk analysis reports and develop response procedures to support informed decision-making across the organization.

Required Qualifications

  • Bachelor's degree in Computer Science, Information Systems, or a related field, or equivalent practical experience.

  • Active certification from a recognized security body (e.g., SANS, OffSec, or ISC2).

  • 5+ years of experience in application security, information security, or a related discipline.

  • Proven ability to analyze complex system vulnerabilities and develop effective technical remediation strategies.

  • Strong understanding of web application security threats and secure software development practice.

Preferred Qualifications

  • Experience working across cross-functional teams including technology, compliance, and risk.

  • Familiarity with cloud-based environments and modern application development practices.

  • Track record of integrating security practices within agile or continuous delivery workflow

This position will be located in Philadelphia and offers the opportunity for a hybrid work environment at least 3 days a week in-office, subject to change, providing flexibility and accessibility for qualified candidates.

About Nasdaq

Nasdaq, Inc. is a global technology company that operates a suite of financial services businesses, including trading, clearing, exchange technology, regulatory, securities listing, and public company services. The company was founded in 1971 and is headquartered in New York, New York. Nasdaq operates in over 50 countries and has more than 4,700 employees worldwide. The company is committed to innovation and has been at the forefront of developing new technologies to improve the efficiency and transparency of financial markets.
Learn more about Nasdaq
Size
5,987 employees
Market Cap
$29.8 billion
Industry
Net Income
$933 million
Founded
1971
5 Year Trend
+9.7%
Revenue
$5.6 billion
NASDAQ

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