Cyber Defense Analyst III

Company: Beyond SOF
Location: San Antonio
Posted on: April 6, 2026

Job Description:

Essential Job Functions Use information collected from a variety of sources to monitor network activity and analyze it for evidence of anomalous behavior. Identify, triage and report events that occur in order to protect data and information systems. Recommend proactive security measures. Notify stakeholders of suspected incidents, articulating technical information surrounding the suspected incident. Implement mitigations in accordance with cyber incident response plan. Conduct PCAP analysis. Perform advanced manual analysis to hunt previously unidentified threats. Demonstrated ability to analyze and identify network and host-based security threats. Understanding of snort filters and their use in IDS alerts. Understanding of network hardening methodologies. Working knowledge of enterprise-level IDS/IPS and firewall topologies. Provide subject matter expert (SME)-level analysis of advanced adversarial Tactics, Techniques and Procedures (TTPs). Develop and deploy effective threat identifying signatures and countermeasures to various sensors and intrusion prevention systems. Lead and mentor team members as a technical expert. Minimum Required Qualifications Due to the nature of this position and the information that employees will be required to access, U.S. Citizenship is required. Required Security Clearance: TS/SCI with FS Poly. Required High School Diploma. 8 years of demonstrated experience as a Cyber Defense Analyst. 2 years of experience can be substituted by a technical Bachelor’s Degree. Two years of experience with TCP/IP. Two years of experience with tcpdump or Wireshark/tshark. Requires GIAC Global Certified Incident Handler (GCIH) certification.

Keywords: Beyond SOF, Round Rock , Cyber Defense Analyst III, IT / Software / Systems , San Antonio, Texas