Senior Cyber Security Engineer - Splunk Job at MANTECH, Chantilly, Fairfax County, VA

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  • MANTECH
  • Chantilly, Fairfax County, VA

Job Description

Salary: $100,000 - 140,000 per year Requirements:

  • Bachelors degree or 4+ years of equivalent experience
  • Over 5 years in cyber security
  • At least 3 years with Splunk Enterprise Security
  • Familiarity with Unix, Linux, and Windows operating systems for security integration
  • Experience navigating accreditation processes and ICD 503 standards
  • Background in network documentation related to security compliance, configuration management, and patching
  • Valid DoD 8570 IAT Level II or IAT Level III certification
  • Preferred: Experience with scripting languages such as Bash, Python, or Java, and various analytical tools
  • Preferred: Advanced Splunk certifications including Architect or Consultant, and IT Service Intelligence (ITSI) experience
  • Preferred: Cribl Engineer Certification with experience in security and operational use cases
  • Clearance: Active TS/SCI with Polygraph required
Responsibilities:
  • Overseeing the daily operations of a large Splunk environment, addressing and resolving data collection challenges to maintain system integrity
  • Installing and managing both supported and unsupported Splunk Add-ons for various data sources, and performing API integrations
  • Creating detailed deployment documentation to outline specifications, methods, and architectural considerations
  • Rapidly designing and deploying forwarders with centralized configuration management using the Splunk Deployment Server
  • Managing Knowledge Object Management, including Common Information Model (CIM) tuning to ensure data accuracy
  • Collaborating with stakeholders to guarantee systems meet all operational requirements
  • Proposing and implementing approved process and policy enhancements to strengthen cyber defense capabilities
Technologies:
  • API
  • Architect
  • Bash
  • Java
  • Linux
  • Network
  • Python
  • Security
  • Splunk
  • Unix
  • Windows
  • Support

More:

MANTECH is looking for a dedicated and customer-focused Senior Splunk Cyber Security Engineer to join our team in Chantilly, VA. We value technical expertise and a proactive attitude as you will be instrumental in supporting our Sponsors system accreditation efforts. Our team offers opportunities for professional growth and development, a collaborative working environment, and competitive benefits. If you are ready to take your career to the next level while making a significant impact on our cyber security initiatives, we invite you to apply.

last updated 13 week of 2026

Job Tags

Full time

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