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ASSYST · 7 hours ago

Network Security Specialist

Tallahassee, FL

Full-time

Onsite

Senior Level, Lead/Staff

8+ years exp

ASSYST is seeking a skilled Network Security Specialist to support their client in Tallahassee, FL. This role involves leading investigations into payment fraud, applying digital forensic techniques, and collaborating with internal and external stakeholders to enhance security measures.

Big DataEnterprise Resource Planning (ERP)

Culture & Values

H1B Sponsor Likely

Responsibilities

Lead and conduct end-to-end investigations into suspected payment card fraud and other financial crimes, from initial detection through final resolution

Apply advanced digital forensic techniques to acquire, preserve, and analyze digital evidence from multiple sources to support investigations and root-cause analysis

Monitor and analyze transaction data, user behavior, and security alerts from SIEM and fraud detection platforms to identify suspicious activity and indicators of compromise

Design and implement monitoring mechanisms to detect, at a minimum:

Unusual spikes in failed payment transaction attempts

High volumes of low-value transactions from the same IP address or device targeting single credit cards

Multiple rapid transactions using different credit cards originating from the same IP, device fingerprint, or session ID

Perform log and SIEM analysis on web and payment logs to detect:

Burst transaction patterns

Consistent failed authorization attempts

Repeated or abnormal use of credit card data

Configure and maintain alerting thresholds for anomalies, including:

Transaction volume per minute and per hour

Authorization failure-rate thresholds

Collaborate with internal teams (Legal, Compliance, Risk, and IT) and external partners, including law enforcement, to manage investigation cases and deliver detailed findings or expert testimony when required

Conduct forensic readiness assessments and contribute to the development and enhancement of the organization’s incident response and breach management plans

Mentor and guide junior analysts while staying current with emerging fraud tactics, cyber threats, and evolving security technologies

Qualification

Payment fraud detectionDigital forensicsSecurity monitoringDigital forensic toolsData analysis toolsISOCISNIST CSFCertified Fraud ExaminerCertified Payments ProfessionalCertified Anti-Money Laundering SpecialistAnalytical skillsCommunication skillsMentoring

Required

8–10 years of progressive experience in cybersecurity, with a strong focus on payment fraud detection, investigation, and digital forensics

Demonstrated expertise in security best practices, risk analysis methodologies, and their real-world application

Working knowledge of industry frameworks and controls, including ISO, CIS, NIST CSF, and SCF

Proven hands-on experience with digital forensic tools such as EnCase, FTK, or equivalent platforms

Strong analytical capabilities with experience using data analysis and scripting tools (e.g., SQL, Python, or similar) to investigate complex financial fraud scenarios

Excellent written and verbal communication skills, with the ability to produce clear, defensible investigation reports and present findings to both technical and non-technical audiences, including executive leadership

Bachelor's or Master's degree in Cybersecurity, Computer Science, or a related discipline

Certified Fraud Examiner (CFE)

Certified Payments Professional (CPP)

Certified Anti-Money Laundering Specialist (CAMS)

Company

ASSYST

ASSYST is a global CMMI level 3 information technology solutions provider.

Founded in 1993

Sterling, Virginia, USA

51-200 employees

http://www.assyst.net/

H1B Sponsorship

ASSYST has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

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2024 (2)