Senior CND Engineer

Mission Technologies, a division of HII

Cyber Defense Engineer strengthening the organization's defense by optimizing Splunk security monitoring capabilities. Collaborating on threat scenarios and incident responses in a classified environment.

Posted 6/8/2026full-timeSpringfield • California, Virginia • 🇺🇸 United StatesSenior💰 $85,185 - $185,000 per yearWebsite

Tech Stack

Tools & technologies

Cyber SecurityLinuxSplunkTypeScript

About the role

Key responsibilities & impact

Strengthen the organization’s cyber defense posture by engineering, optimizing, and maintaining Splunk based security monitoring and analytics capabilities.
Transform cybersecurity requirements into actionable detection logic, dashboards, data models, and workflows that support continuous monitoring and incident response operations.
Collaborate with cybersecurity teams to understand threat scenarios, developing correlation searches, and data ingestion pipelines for security log sources.
Create dashboards, visualizations, and alerts to support threat hunting, incident investigations, and compliance reporting.
Validate detection logic through testing, troubleshoot data quality issues, and ensure Splunk content aligns with security policies.

Requirements

What you’ll need

2-9+ years relevant experience with Bachelor's in related field OR 0-7+ years experience with Master's in related field OR High School Diploma and 6-13+ years relevant experience.
7+ years implementing and maintaining CND technologies on enterprise WANs
4+ years experience with SIEM and/or vulnerability scanner products
4+ years experience maintaining and operating Red Hat Enterprise Linux (RHEL) servers.
Active TS/SCI with ability to obtain and maintain CI poly.

Benefits

Comp & perks

Health insurance
401(k) retirement plan
Paid time off
Flexible work arrangements

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Splunkcybersecuritydetection logicdata modelsworkflowscorrelation searchesdata ingestion pipelinesdashboardsvisualizationsincident response

Soft Skills

collaborationtroubleshootingtesting

Certifications

Active TS/SCICI poly