Network Security Specialist / Forensic Analyst

SystemDomain, a leading provider of information technology consulting Services firm based in Chicago is looking for IT Professionals. Our high-performance consultants offer technological expertise, strategic insights, and knowledge of their industry experience. Established in 1999, we partner with our customers to build stronger innovative business solutions and to solve their most important and complex business challenges. For more information about SystemDomain, please visit

Job Title : Network Security Specialist / Forensic Analyst

Location: Ocoee, Florida

Duration: 12 Months

Role Summary

We are seeking a highly experienced Network Security Specialist / Forensic Analyst with strong expertise in financial risk analysis, fraud detection, and digital forensics. This role focuses on proactively identifying, investigating, and preventing payment card and banking fraud while ensuring compliance with industry security frameworks and best practices. The ideal candidate is a strategic thinker with strong analytical and investigative skills who can manage complex security incidents end to end.

Role Level

Intermediate professional-level role. The candidate will work on medium to high-complexity assignments, contribute to multiple projects, and may lead system-related initiatives. The role may also involve mentoring junior technical staff.

Key Responsibilities

• Lead and conduct detailed investigations into suspected payment card fraud and financial crimes, from detection through resolution.
• Apply advanced digital forensic techniques to acquire, preserve, analyze, and document digital evidence while maintaining proper chain of custody.
• Monitor and analyze transaction data, user behavior, and security alerts using SIEM and fraud detection tools to identify suspicious activity.
• Design and implement monitoring mechanisms to detect:
  • Unusual spikes in failed payment transactions
  • High volumes of low-value transactions from the same IP or device
  • Multiple rapid transactions using different credit cards from the same IP, device fingerprint, or session
• Perform log and SIEM analysis for web and payment systems, including detection of:
  • Burst patterns
  • Repeated failed authorizations
  • Reuse of credit card data
• Configure alerts for anomalies such as transaction volume thresholds and failure-rate limits.
• Assist in the development and implementation of financial controls to deter and prevent fraudulent activity.
• Prepare security status reports, risk analysis scenarios, and response procedures related to suspected fraud incidents.
• Collaborate with internal teams and external stakeholders (legal, compliance, and law enforcement) to manage investigations and provide expert reports or testimony when required.
• Contribute to forensic readiness initiatives and incident response planning to support effective breach response.
• Mentor junior analysts and remain current on emerging fraud techniques, cyber threats, and security technologies.

Required Qualifications

• 8-10 years of progressive experience in cybersecurity, with a strong focus on payment fraud detection, investigation, and digital forensics.
• Strong knowledge of security best practices, risk analysis methodologies, and their practical application.
• Familiarity with industry security frameworks and standards such as ISO, CIS, NIST, CSF, and SCF.
• Hands-on experience with digital forensic tools (e.g., EnCase, FTK, or similar).
• Advanced analytical skills with experience using SQL, Python, or other scripting/data analysis tools for fraud investigations.
• Excellent written and verbal communication skills, with the ability to present findings to both technical and non-technical audiences, including executive leadership.
• Professional certifications such as:
  • Certified Fraud Examiner (CFE)
  • Certified Payments Professional (CPP)
  • Certified Anti-Money Laundering Specialist (CAMS)
• Bachelor s or Master s degree in Cybersecurity, Computer Science, or a related field.

Contact : , peeyush at systemdomaininc dot com

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Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

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