Application Security Principal-Sofia (Bulgaria)

On-siteSalary not specified

Job Description, Responsibilities & Requirements

About the Position

Application Security Principal-Sofia (Bulgaria)

APPLY

At ISG, we are currently partnering with a leading international technology-driven organization to hire a Principal Application Security professional.

This is a strategic and high-impact role for a senior Application Security expert who combines strong technical foundations with the ability to influence engineering teams and drive security best practices across the organization.

Responsibilities

  • Act as Subject Matter Expert (SME) for Application Security
  • Lead application security assessments and penetration testing activities
  • Identify vulnerabilities and work closely with development teams on remediation
  • Embed security practices into SDLC and Agile environments
  • Drive automation, testing, and continuous improvement initiatives
  • Promote secure coding standards across multiple engineering teams

Requirements

  • Proven experience in a lead or advisory Application Security role
  • Strong software development background (Java, C/C++, C#, PHP, Python, or similar)
  • Experience with frameworks such as Spring, ASP.NET, or OSGI
  • Hands-on expertise in:
    • Application security testing and automation
    • Penetration testing
    • Vulnerability management

We Offer

  • Opportunity to work with a leading international technology-driven organization
  • Strategic and high-impact role
  • Influence engineering teams and drive security best practices

If you are interested in this challenging position, we are looking forward to receiving your comprehensive application for ref.no. 109,923 preferably through our ISG career portal or via email.

Visit isg.com/jobs/search - here you can find new job offers every day.

About the Company

ISG International Service Group

ES-28040 Madrid, Calle Viella 21

Natalia Pérez de Lazárraga, T: +34 911 743 400

@: [email protected]

Job Details

Location:
Bulgaria
Employment Type:
Part-time
Work Mode:
On-site
Posted on TheJob:
6/12/2026
Last checked:
6/12/2026
Posted on the source:
3/9/2026
Apply Now
© 2026 TheJob, Inc. All rights reserved.