Cyber Security Operations Incident Responder/Day- Shift Lead Analyst

About the role

We are seeking a Cyber Security Operations Incident Responder/Swing-Shift Lead Analyst to join our Prime Contract with the Defense Threat Reduction Agency. TekSynap is a fast-growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment. “Technology moving at the speed of thought” embodies these principles – the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers.

Responsibilities

• Collect and analyze network and/or host artifacts from a variety of sources to include logs, system images and packet captures to characterize activity, determine root cause, operational impact, and to enable rapid remediation and/or mitigation of cyber threats within the Enterprise Network through the investigation process.
• Perform cyber incident triage; to include determining scope, urgency, and potential impact; identifying the specific vulnerability; and making recommendations that enable expeditious remediation.
• Must have in depth knowledge of the DoDI 8530.01 (Cybersecurity Activities Support to DoD Information Network Operations).
• Must be proficient with Splunk SIEM or similar tools. Elastic and MS Sentinel are a plus.
• Provide expert technical support and perform real-time cyber defense incident handling (e.g., forensic collections, intrusion correlation and tracking, threat analysis, and direct system remediation) tasks to support subordinate organizations and system owners.
• Manage and document cyber defense incidents from initial detection through final resolution methods.
• Provide technical guidance to Tier I analysts and ensure the alerts closure quality for the shift.
• Maintain an average of at least two new detection use cases per month during each year of contract execution. Detection use cases shall be based on current threats, the MITRE ATT&CK framework, or Government direction.
• Maintain metadata for all detection use cases to include use case, owner, number of false positives identified, number of true positives identified, and average time to execute (based on incident detection monitoring analyst feedback).
• Analyze all completed incident records and make improvements to related detection use cases.
• Make recommendations to correlation rules, filters, signatures, or plays to enhance overall effectiveness by lowering false/benign-positive rates.
• Track and validate refinement requests and provide metrics for these activities monthly.
• Assist with developing methods for automating the execution of incident detection use cases that result in false-positive rates below 10%.
• Provide monthly reports on new automation actions and their results.
• At the direction and under the supervision of Government personnel, validate the effectiveness of any plays created by emulating adversary tactics to trigger the necessary alerts (blue team).
• Demonstrate effectiveness by creating detection use cases that successfully detect Red Team (penetration testing) activity.
• Utilize the MITRE ATT&CK matrix and other threat frameworks to develop detection use cases