Cyber Threat Analyst III (SOC / Incident Response)

Hello,

Position Title: Cyber Threat Analyst III (SOC / Incident Response)

Location: Falls Church, VA (Remote)

Clearance Requirements: Ability to obtain and maintain a client-mandated Sensitive Clearance (U.S. Citizenship or Permanent Resident required)

Position Status: Contract

Pay Rate: Competitive – Based on experience

Position Description:

We are seeking a Cyber Threat Analyst III to support a large, highly regulated enterprise security environment. This role focuses on advanced threat detection, incident response, threat hunting, and automation within a modern Security Operations Center (SOC).

The ideal candidate is a senior security professional with hands-on experience across SIEM, EDR/XDR, SOAR, cloud security platforms, and AI/ML-driven security tools, who can operate independently, influence best practices, and drive measurable improvements in detection and response capabilities.

This is a remote role supporting mission-critical systems with a strong emphasis on automation, risk-based alerting, and continuous security posture improvement.

Key Responsibilities:

• Perform triage and investigation of security alerts and escalations to determine scope, severity, and root cause
• Monitor and analyze cybersecurity events across SIEM, EDR/XDR, cloud, and network security tools
• Conduct threat hunting and incident response activities in enterprise environments
• Design, develop, and implement SOAR automation use cases, including AI/ML-enabled workflows
• Support deployment, configuration, testing, and optimization of SOAR platforms
• Develop and implement Risk-Based Alerting (RBA) strategies to reduce noise and improve detection fidelity
• Tune and optimize alerts across platforms such as Splunk, SentinelOne, Microsoft Defender, Tanium, and cloud security tools

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• Analyze network traffic and recommend improvements to detection and prevention controls
• Assess newly disclosed CVEs and vulnerabilities for enterprise impact and remediation
• Map detections and response actions to MITRE ATT&CK and NIST frameworks
• Assist with configuring and re-configuring security tools and developing custom signatures
• Communicate complex technical findings clearly to non-technical stakeholders
• Influence adherence to security policies, standards, and best practices
• Provide operational support to program leadership as required

Required Skills / Education:

Experience & Technical Skills:

• 7+ years of hands-on experience in Security Operations, Incident Response, and Threat Hunting
• Strong experience analyzing alerts from SIEM, EDR, XDR, and cloud security platforms
• Hands-on experience with Splunk and SentinelOne (Armis preferred)
• Experience developing and implementing SOAR use cases
• Working knowledge of AI/ML-based security tools and automation strategies
• Experience with network device configuration and traffic analysis
• Strong understanding of SOC operations and workflows
• Experience implementing and operationalizing MITRE ATT&CK and NIST frameworks
• Ability to analyze systems across Windows, Linux, UNIX, embedded systems, and mainframes

Certifications (One or More Required):

• CISSP
• CISA
• CISM
• GIAC
• RHCE

Education:

• Bachelor’s degree from an accredited college or university in a related field
• If the degree is not in a related field, four (4) additional years of relevant experience may be substituted
• 8–12 years of total relevant professional experience preferred

About Seneca Resources

At Seneca Resources, we are more than just a staffing and consulting firm, we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact.

When you work with Seneca, you’re choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. We take the time to understand your goals and match you with roles that align with your skills and career path. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way.

Seneca Resources is proud to be an Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.