SIEM Engineer

Back SIEM Engineer Information Technology Washington , District Of Columbia Contract Mar 9, 2026

Position Title:

SIEM Engineer Location:

Washington, DC (TS/SCI)

Clearance Level:

Active Top Secret SCI (TS/SCI)

Terms:

Contract Travel Required :

Up to 10%

Job Summary:

As a Senior Consultant in Client's cyber practice, you will lead the design, implementation, and continuous improvement of SIEM capabilities for a federal law enforcement agency's classified environment. You'll combine hands on SIEM engineering with client facing consulting: translating mission risk into actionable detections, mentoring junior engineers/analysts, and advising stakeholders on monitoring strategy, metrics, and governance. This blend reflects Guidehouse's model where senior consultants drive client outcomes, contribute to business development, and support people development across the engagement.

What You Will Do :

You will design, implement, and support security information and event management (SIEM) capabilities for a federal law enforcement agency's classified data processing systems directorate. You will monitor, analyze, and correlate security events across classified environments to identify potential threats, vulnerabilities, and anomalous activity. Working closely with cybersecurity, network, and systems teams, you will configure log ingestion, develop detection use cases, tune alerts, and support incident response and forensic investigations. You will also support system authorization and continuous monitoring activities, maintain SIEM documentation, and ensure security monitoring solutions align with federal standards and mission requirements. Responsibilities include, but are not limited to: Lead SIEM strategy workshops, roadmap development, and stakeholder presentations. Architect log ingestion pipelines, develop correlation rules, dashboards, and KPIs. Align monitoring to NIST SP 800-53 and ISCM requirements. Extend SIEM coverage to AWS/Azure/GCP. Integrate SIEM with SOAR and automate enrichment. Establish content lifecycle governance and mentor junior staff.

Business What You Will Need :

Bachelor's degree in computer science, Cybersecurity, Information Technology, or related field Active Top Secret clearance with SCI eligibility Minimum of SEVEN (7) years in security engineering with FOUR (4) in SIEM; expertise in Splunk/Elastic/Sentinel; One or more of the following certifications: Security+ (or equivalent DoD 8570 IAT Level II) AWS Certified Security - Specialty Certified Cloud Security Professional (CCSP) Certified Information Systems Security Professional (CISSP)

What Would Be Nice To Have :

Master's degree in Computer Science, Cybersecurity, Information Technology, or related field (or equivalent experience) Experience in federal government or diplomatic environment at the department level or experience supporting classified environments within federal law enforcement or Intelligence Community organizations Experience integrating SIEM with IDS, firewalls, and endpoint security tools Experience with SIEM in hybrid/zero-trust architectures Knowledge of NIST cybersecurity frameworks (800-53, 800-171, 800-190) Additional cloud security certifications (AWS, Azure, GCP)

Pay Range:

Open (Negotable)

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 organizations to government agencies, we connect professionals with opportunities that drive meaningful impact and support long-term career growth. When you join Seneca, you gain a team committed to your success. We offer competitive compensation, comprehensive health, dental, and vision coverage, 401(k) plans, and continuous support throughout your assignment. Our recruiters and account managers invest in understanding your goals and placing you in roles aligned with your talents and ambitions. Seneca Resources is proud to be an Equal Opportunity Employer, dedicated to building a diverse and inclusive workplace where all qualified applicants are encouraged to apply. Apply Now Share This Post