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Cyber Defense Analyst - Mid

Core4ce

Today
Top Secret/SCI
Unspecified
Unspecified
IT - Software
San Antonio, TX (On-Site/Office)

The Level 3 Cyber Defense Analyst monitors and defends enterprise networks from malicious cyber threats by conducting real-time analysis, correlation, and incident response. This position supports the protection of mission-critical DoD systems through anomaly detection, incident escalation, and collaborative threat response activities.

Responsibilities
  • Detect, identify, and alert on possible cyber intrusions, anomalous behaviors, and misuse activities.
  • Use cyber defense tools for continuous system monitoring and malicious activity detection.
  • Document and escalate security incidents, including full event history, status, and potential impact.
  • Analyze identified malicious activity to determine vulnerabilities exploited, methods used, and systemic impact. Perform event correlation using logs, alerts, and data from diverse sources to establish situational awareness.
  • Receive and triage alerts from internal and external systems and determine root causes.
  • Characterize and analyze network traffic to identify threats and deviations from expected behavior.
  • Analyze anomalies in network traffic using metadata and behavioral indicators.
  • Identify applications and operating systems of network devices based on observed network traffic.
  • Conduct research and analysis of all-source threat data, including indications and warnings.
  • Provide daily summary reports of network events, alerts, and threat trends.
  • Contribute to cyber defense trend analysis and incident pattern tracking.
  • Collaborate with enterprise-wide cyber defense personnel to validate alerts and align mitigation efforts


Qualifications
  • TS/SCI
  • Bachelor's degree in Cybersecurity, Computer Science, Information Systems, or related discipline.
  • 5 to 7 years of relevant experience in cyber defense operations.
  • Substitution Option: In lieu of a Bachelor's degree, an additional four (4) years of directly relevant experience may be substituted (e.g., 9-11 years total experience without a degree)
  • Must possess one of the following active certifications:

    - Certified Cloud Security Professional (CCSP)

    - Certified Secure Software Lifecycle Professional (CCSLP)

    - CompTIA Cloud+

    - CompTIA Advanced Security Practitioner (CASP+)


Why Work for Us?

Core4ce is a team of innovators, self-starters, and critical thinkers-driven by a shared mission to strengthen national security and advance warfighting outcomes.

We offer:
  • 401(k) with 100% company match on the first 6% deferred, with immediate vesting
  • Comprehensive medical, dental, and vision coverage-employee portion paid 100% by Core4ce
  • Unlimited access to training and certifications, with no pre-set cap on eligible professional development
  • Tuition assistance for job-related degrees and courses
  • Paid parental leave, PTO that grows with tenure, and generous holiday schedules
  • Got a big idea? At Core4ce, The Forge gives every employee the chance to propose bold innovations and help bring them to life with internal backing.


Join us to build a career that matters-supported by a company that invests in you.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, disability, veteran status, age, genetic information, or other legally protected status.
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About Us
Core4ce is a cybersecurity company that serves as a trusted partner to the national security community. We specialize in building, modernizing, and defending our nation’s digital infrastructure. We assemble highly experienced teams who counter global threats and design resilient networks, systems, and applications. We earn the respect of our partners by boldly investing in innovation and delivering on our commitments. By honing our expertise across four core disciplines – cyber operations, digital modernization, engineering, and analysis –we're developing solutions and delivering lasting mission advantage for our customers.

Core4ce Jobs


Job Category
IT - Software
Clearance Level
Top Secret/SCI
Employer
Core4ce