ECS

Senior SIEM Engineer

ECS  •  $130k - $145k/yr  •  Washington, DC (Onsite)  •  10 hours ago
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Job Description

Everforth ECS is seeking a Senior SIEM Engineer to work in our Washington, DCoffice. Please Note: This position is contingent upon contract award.

We are seeking a cleared Senior SIEM Engineer to support security monitoring, detection engineering, log management, alerting, reporting, and incident response capabilities for classified and sensitive law enforcement, national security, and criminal justice environments within the National Security Business Unit. The Senior SIEM Engineer will serve as a technical lead for SIEM operations, log onboarding, detection content development, dashboarding, alert tuning, incident triage, continuous monitoring, compliance reporting, and security analytics modernization. The Senior SIEM Engineer will support security monitoring, detection engineering, log management, alerting, reporting, and incident response capabilities for classified and sensitive environments serving law enforcement, national security, and criminal justice missions. This role focuses on improving visibility, analytics, and operational security across enterprise systems, applications, endpoints, networks, and security tools.

The Senior SIEM Engineer will also contribute to National Security Business Unit growth by identifying opportunities to improve threat visibility, expand log coverage, automate security workflows, enhance insider threat support, improve compliance reporting, and develop new cybersecurity analytics capabilities.

Responsibilities

  • Configure, operate, tune, and maintain SIEM and security analytics platforms.
  • Onboard log sources, troubleshoot data ingestion, and improve log coverage across systems, applications, networks, and endpoints.
  • Develop correlation rules, alerts, dashboards, reports, and detection content.
  • Support incident triage, investigation, security monitoring, compliance reporting, and continuous monitoring.
  • Tune detections, reduce false positives, and improve alert quality.
  • Coordinate with cybersecurity, infrastructure, application, network, and operations teams.
  • Support insider threat, audit, vulnerability, and enterprise security initiatives.
  • Mentor cybersecurity analysts, system administrators, ISSOs, incident responders, and infrastructure teams.
  • Develop reusable playbooks, detection documentation, reporting templates, and knowledge-transfer materials.
  • Identify opportunities for automation, expanded analytics, improved visibility, and new cybersecurity services.

Salary Range: $130,000 - $145,000

General Description of Benefits

Qualifications

  • Active Top Secret clearance with SCI eligibility; TS/SCI preferred.
  • 6+ years of SIEM engineering, cybersecurity engineering, SOC support, detection engineering, or security monitoring experience.
  • Experience with SIEM tools such as Splunk, Elastic, QRadar, or equivalent platforms.
  • Knowledge of log ingestion, correlation rules, dashboards, alerting, incident response, vulnerability management, and compliance reporting.
  • Ability to troubleshoot data ingestion and coordinate across technical teams.
  • Strong documentation, analytical, and communication skills.
ECS

About ECS

ECS is a fast-growing 4,000-person, $1.2B provider of advanced technology solutions for federal civilian, defense, intelligence, and commercial customers. We tackle complex client challenges with smart, scalable solutions in data and AI, cybersecurity, and digital transformation. Our collective work empowers customers’ missions, strengthens our partners, inspires our employees, and grows our company.

To achieve our purpose — to tackle the missions that matter most and create a lasting impact on our customers, employees, and community — we are committed to excellence in growth, customer delivery, technology innovation, and employee engagement.  

We believe in:

• Attracting, developing, and retaining top talent

• Building high-performing teams

• Creating an engaging employee environment

• Acting with social responsibility

• Having a positive impact on our community

Our core values: Excellence, Drive, Grit, and Community. We keep these values at the heart of all we do. We’re looking for driven individuals who want to solve meaningful challenges and help shape the future of national security and public service. If you’re ready to make a difference, you’ll find your team here.

Industry
IT & Software
Company Size
1,001-5,000 employees
Headquarters
Fairfax, VA
Year Founded
1993
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