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Application Security Consultant

Brno, Czech Republic

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At AT&T we’re redefining the future of communication by connecting people to greater possibility – with expertise, simplicity, and inspiration. At the heart of our purpose lies a workforce of 130,000 people and a culture that aspires to serve customers first, act boldly, move faster, and win as one.

We are seeking an experienced and proactive Application Security Consultant(ASC) to strengthen our regional application security capabilities. The ASC will act as a key liaison between development teams and the Chief Security Office, ensuring that security best practices are understood, implemented, and continuously improved. This role combines technical expertise, strong communication, and a passion for driving a security-first culture.

Key Responsibilities:

  • Team Liaison: Serve as primary point of contact (POC) for application teams, facilitate effective communication and maintain the escalation matrix.

  • Security Evangelist: Foster security awareness and best practices within development teams, nurturing a culture of shared responsibility.

  • Remediation Support: Guide and support development teams in the remediation of identified application security vulnerabilities, providing practical solutions and technical assistance to ensure timely closure of security issues.

  • Troubleshoot Scans & False Positive Vetting: Analyze application security scan results (SAST, DAST, SCA etc.), assist teams in resolving findings, and validate false positives.

  • Application Scorecard Monitoring: Oversee application security scorecards, track key metrics, and provide actionable insights and recommendations.

  • Ticket Management: Monitor, prioritize, and track security tickets, providing timely updates and ensuring resolution.

  • Application Risk Assessment: Lead or support application risk assessments as needed.

  • Tool Integration & Support: Guide and assist teams in using security testing tools (static and dynamic analysis) and help reduce false positives.

  • Knowledge Sharing & Mentoring: Provide training and mentorship on security concepts, helping teams integrate security into their daily workflow.

Required Skills:

  • Experience:

    • 12+ years in application security, software development, or information security consulting

    • Demonstrated experience with application security practices including security testing and remediation.

  • Technical Skills:

    • Proficiency in application security principles, vulnerability management, and secure development practices.

    • Experience in performing SAST, DAST and SCA scans.

    • Expertise in Application security vulnerabilities and remediation.

    • Familiarity with threat modeling, risk assessment, and security tool integration

    • Understanding of modern development workflows and DevSecOps concepts

  • Communication:

    • Excellent English proficiency (spoken and written)

    • Ability to communicate technical concepts to both technical and non-technical stakeholders

  • Personal Attributes:

    • Strong analytical, troubleshooting, and problem-solving skills

    • High attention to detail, organizational, and documentation skills

    • Self-motivated and able to work independently and as part of a distributed team

  • Bachelor’s degree (BS/BA) in Computer Science, Information Security, or a related field is preferred

  • Certifications such as CISSP, CSSLP or equivalent industry recognized certifications.

Location and Work Environment: 

This is a hybrid-flex position requiring presence in the office at least 2 days per week.

Working hours: 
EMEA, approx. 9am-5,30pm (with some flexibility)

Compensation:

Salary for Slovakia starts from 4 400 EUR gross monthly.

Salary for Czech Republic starts from 131 975 CZK gross monthly.

The actual offered salary may be considerably higher based on your skills, knowledge, and experience.

Benefits:

A career with us, a global leader in communications and technology, comes with big rewards. We offer a competitive salary plus an annual company performance bonus. Once you are a part of the team, you will gain some amazing perks and benefits including wellness & leisure time contribution, sickness compensation plan, premium medical services, family friendly benefits as well as meal contribution and extra days off (…and much more).

Ready to find out more? Apply today!

Weekly Hours:

40

Time Type:

Regular

Location:

Bratislava, Slovakia, Brno, Czechia

It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.

Job ID R-101177-1 Date posted 02/17/2026
Apply now

Benefits

Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.

  • Paid Time Off
  • Tuition Assistance
  • Medical and dental plans
  • Discounts
  • Training & Development

Learn more about benefits

Our hiring process

Apply Now

Confirm your qualifications align with the job requirements and submit your application.

Assessments

You may be required to complete one or more assessments, depending on the role.

Interview

Get ready to put your best foot forward! More than one interview may be necessary.

Conditional Job Offer

We’ll reach out to discuss a conditional job offer and the next steps to joining the team.

Background Check

Timing is important – complete the necessary actions to proceed with onboarding.

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