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Dallas County · 1 month ago

1000000557.SENIOR CYBERSECURITY ANALYST.INFO TECH SERVICES

500 Elm St, Dallas, TX, 75202, US

Full-time

Hybrid

Senior Level

$9,296.10/mo - $11,620.12/mo

6+ years exp

Dallas County is seeking a Senior Cybersecurity Analyst to secure its information systems and data. The role involves combining enterprise-wide cyber threat detection, incident response, compliance monitoring, and security policy implementation to defend against evolving threats while ensuring adherence to security requirements.

GovernmentInformation ServicesNon Profit

No H1B

U.S. Citizen Only

Responsibilities

Responds to and investigates escalated security tickets, requests, alerts, and events

Performs advanced triage, and coordinates with technical teams to ensure containment, and documents incident response activities

Supports daily operations of the County’s security infrastructure, including SIEM, endpoint detection and response, and related tooling

Performs alert tuning, rule validation, and ensures reliable telemetry flow into security platforms

Conducts proactive threat hunting activities across SIEM, EDR, and available log sources

Analyzes behavioral patterns and threat intelligence to identify anomalous activity

Develops hypotheses, executes investigations, and reports findings

Manages incoming security-related tickets, requests, and inquiries from internal departments

Prioritizes and tracks resolution, provides technical guidance, and ensures timely communication and closure of support cases

Develops and maintains operational documentation, including incident response runbooks, standard operating procedures (SOPs), technical workflows, and knowledgebase articles

Ensures documentation is version-controlled and aligned with policy and tool changes

Participates in IT and security-related projects by providing technical guidance, control implementation support, and input on security design considerations

Collaborates with Engineering and IT to ensure secure system configurations

Contributes to the development and maintenance of IT security policies, procedures, and operational standards

Works with Security Compliance, Engineering, and IT teams to ensure technical controls support Dallas County policies and regulatory requirements

Performs other duties as assigned

Qualification

Cybersecurity operationsSIEM managementIncident responseThreat detectionCISSPGCIHGCIACySA+Security policy developmentCloud security toolsAnalytical skillsVendor managementForensic analysisMalware behavior analysisScripting abilitiesPost-incident reviewsRoot cause analysisTechnical security skillsCommunication skillsOrganizational skillsDocumentation skillsTeam collaboration

Required

Bachelor's degree in Information Systems, Cybersecurity, Computer Science, or job-related field of study

Six (6) years of IT experience in cybersecurity operations, including roles such as Security Analyst, Security Engineer, or SOC Analyst

Strong communication skills, both written and verbal, for collaboration and reporting

Ability to work independently and effectively in a team-oriented environment

Strong analytical, organizational, and documentation skills

Excellent verbal and written communication skills with the ability to present findings to both technical teams and executive stakeholders

Ability to create, implement and support security policies, procedures, and operational controls

Ability to engage and manage engagement with 3rd party security vendors, and managed security service providers

Knowledge of implementing, managing and configuring security and threat monitoring tools including SIEM (Security Information and Event Management), SOAR (Security, Orchestration, Automation & Response), EDR (Endpoint Detection and Response), DLP (Data Loss Prevention) technologies

Ability to participate in an on-call rotation for after-hours security incident escalation

Advanced knowledge of cybersecurity operations, including SIEM management, threat detection, and hands-on incident response

Ability to lead or mentor junior analysts or coordinate team-based incident investigations

Knowledge of regulatory and compliance frameworks such as CJIS, HIPAA, PCI-DSS, NIST 800-53, ISO 27001, and risk assessment methodologies

Ability to enforce and manage regulatory compliance standards such as CJIS, HIPAA, NIST, or similar frameworks

Skill in threat hunting, forensic analysis, malware behavior analysis, and endpoint forensics platforms

Skill in interpreting and correlating alerts from multiple sources (EDR, firewalls, cloud logs, email gateways, identity systems) to identify sophisticated attacks or insider threats

Experience in scripting or programming abilities (e.g., Python, PowerShell) for automating security tasks or parsing large datasets

Experience with cloud-native security tools and monitoring across Microsoft Azure, AWS, or Google Cloud environments

Ability to contribute to security policy development, control testing, and continuous improvement of security monitoring capabilities

Ability to conduct post-incident reviews, root cause analysis, and draft executive-level incident reports

Ability to manage high-pressure situations and lead coordinated response efforts during security incidents

Skilled in technical security and the ability to interpret and apply security policy and standards

Knowledge of security tooling (SIEM, EDR, DLP), security response automation, and proactive threat hunting

Must have a valid Texas Driver's License and good driving record

Will be required to provide a copy of 10-year driving history

Must maintain a good driving record and remain in compliance with Article II, Subdivision II of Chapter 90 of the Dallas County Code

Individuals holding or considered for a position which has, or may have, access to criminal justice databases including the FBI Criminal Justice Information Systems, NCIC/TCIC and similar databases, must pass a national fingerprint-based records check prior to placement in such position and may be denied placement in such positions and/or access to such systems

Incumbents must also maintain the ability to pass the records check while in the position or until such time that the Commissioners Court and the County Civil Service Commission deem this position no longer has this requirement

Ability to lift and carry up to 25 lbs. unassisted

Work a 40-hour hybrid work week with on-call availability for two (2) days per month

Sitting for extended periods of time