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Security Admin

Job

DFND Security

Dallas, TX (In Person)

Full-Time

Posted 3 days ago (Updated 1 day ago) • Actively hiring

Expires 7/5/2026

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Job Description

We are looking for a security admin for a position on site in Dallas, TX. The job is expected to be a 3-6 month contract to hire starting right away. More details below. Security Administrator
  • Monitor security tools and platforms for alerts and anomalies.
  • Investigate and respond to security incidents under senior guidance.
  • Support administration and maintenance of security platforms (including SIEM).
  • Assist with log analysis, threat detection, and vulnerability remediation.
  • Participate in incidents, problems, and change management processes.
  • Document procedures, runbooks, and operational processes.
  • Assist with compliance evidence gathering and audit support.
  • Support patching, vulnerability remediation, and system hardening efforts.
  • Collaborate with infrastructure and engineering teams to secure assets.
  • Maintain inventory of security-relevant infrastructure components.
QUALIFICATIONS
  • 2-4 years of experience in Security Operations, Systems Administration, or related field.
  • Strong experience with Enterprise SIEM (Splunk or similar).
  • Basic understanding of events and incident handling.
  • Experience in regulated industries (HIPAA, HiTrust, PCI, SOX) preferred.
  • Experience in healthcare environments a plus.
  • Exposure to Agile environments preferred.
TECHNICAL SKILLS
  • Windows/Linux security/administration knowledge.
  • Basic SIEM monitoring and log analysis.
  • Network/Server security attack mitigation.
  • Load balancer knowledge (NetScaler, F5).
  • Understanding of vulnerability management concepts.
  • Exposure to privileged access management tools (e.g., CyberArk or similar).
  • Basic understanding of automation and monitoring tools