Senior Cyber Security Engineer

MANTECH; Chantilly (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

MANTECH in Chantilly, VA seeks a Senior Cyber Security Engineer and Splunk Engineer to join our team. You will manage a large Splunk Enterprise environment, design deployments, and ensure security and compliance across the platform.

The role requires 5+ years in security or systems administration, 3+ years with Splunk/ES, Unix/Windows, and an active DoD 8570 IAT II certification, with TS/SCI w/ Polygraph clearance preferred.

Qualifications

• Bachelor's degree or 4+ additional years of cyber experience in lieu of degree.
• 5+ years of related systems administration or security experience.
• 3+ years of dedicated experience with Splunk and Splunk Enterprise Security.
• Experience working as a system administrator or security professional within an enterprise environment.
• Hands-on proficiency operating within both Unix and Windows operating systems.
• Active DoD 8570 IAT Level II certification.

Responsibilities

• Manage day-to-day operation, upgrades, and architectural deployment of a large Splunk Enterprise environment.
• Troubleshoot data collection issues and system instabilities to ensure maximum platform availability.
• Design, deploy, and manage Splunk Add-ons and Forwarders using centralized configuration tools.
• Develop system integrations via APIs and maintain strict RBAC for collected data.
• Oversee Knowledge Object Management, CIM tuning, and Enterprise Security configurations.
• Author engineering, change management, and security accreditation documentation, including Body of Evidence artifacts.
• Perform security analysis and use network monitoring tools to enforce security policies and standards.

Skills

Splunk

Unix/Linux

Windows

Security

Bash

Python

Java

Perl

.NET

APIs

Education

Bachelor's degree

Tools

Splunk Enterprise Security

Splunk Add-ons/Forwarders

APIs

Job description

MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Engineer, serving as a Splunk Engineer to join our team in Chantilly, VA.

Responsibilities Include But Are Not Limited To

• Manage the day-to-day operation, upgrades, and architectural deployment of a large Splunk Enterprise environment.
• Troubleshoot data collection issues and system instabilities to ensure maximum platform availability.
• Design, deploy, and manage supported and unsupported Splunk Add-ons and Forwarders using centralized configuration tools.
• Develop system integrations via APIs and maintain strict role-based access controls for collected data.
• Oversee Knowledge Object Management, Common Information Model (CIM) tuning, and Enterprise Security configurations.
• Author comprehensive engineering, change management, and security accreditation documentation, including Body of Evidence artifacts.
• Perform security analysis and utilize network monitoring tools to enforce security policies and standards collaboratively.

Minimum Qualifications

• Bachelor's degree, or 4+ additional years of cyber experience in lieu of degree.
• 5+ years of related systems administration or security experience.
• 3+ years of dedicated experience with Splunk and Splunk Enterprise Security.
• Experience working as a system administrator or security professional within an enterprise environment.
• Hands-on proficiency operating within both Unix and Windows operating systems.
• Active DoD 8570 IAT Level II certification.

Preferred Qualifications

• Active Splunk certifications such as Architect, Consultant I/II, Admin, or Power User.
• 5+ years of experience with scripting languages (Bash), application development (Python, Java, Perl, .NET), and databases.
• Demonstrated background implementing security and operational-related use cases.

Clearance Requirements

• An active TS/SCI with Polygraph is required.

Physical Requirements

• Must be able to remain in a stationary position 50% of the time.
• Occasionally moves about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers via email, phone, or virtual communication, which may involve delivering presentations.