Splunk Security Engineer Security Clearance

Position: Splunk Security Engineer with Security Clearance
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- Description Are you ready to turn your skills into real-world impact? Join Leidos as a Splunk Security Engineer in Suitland, MD and be at the forefront of mission-critical cybersecurity. From defending networks to building scalable automation, your work will shape the response and resilience of national operations. What You’ll Do As a core member of our security engineering team, you will:
* Develop, maintain, and execute automated SOAR playbooks that interact across systems and devices.

* Analyze log events, correlate data across multiple sources, and enhance threat detection and response workflows.

* Using SOAR connectors, design integrations between Splunk SOAR and standard DoD products such as Trellix ePO, Tanium, Cisco (Fire Power, ISE, Email Gateways, AMP, switch/routers), Palo Alto Firewalls, Microsoft Active Directory, DNS, Exchange, SharePoint, IIS, SQL, Apache, Tomcat, RSA SecurID, Tenable.

SC and Nessus, VMWare vCenter/ESXi, Service Now, Azure and AWS, Net App, Windows and Linux. Connectors may use APIs, tokens, or service accounts, so understanding these options is important.

* Configure and manage Splunk Enterprise Security, including maintaining CIM compliance, Risk-Based Alerting (RBA), ticketing, and SIEM integrations.

* Update and configure new Enterprise Security Content Updates when released.

* Lead the full lifecycle of automation - from concept through deployment to documentation and tuning.

* Build visual dashboards, reports, and context-aware incident response tools.

* Support operational readiness, compliance, and proactive detection technologies across endpoint, cloud, network, and email infrastructures.

* Apply patches and upgrades to Splunk SOAR and connectors.

* Maintain existing/create new fleet of Development VMs (Windows, Linux) that allow you to test and demonstrate playbook functionality.

* Fully test and document playbook execution in the Development environment and be authoritative on presentation of playbook examples to new teams targeted for integration.

What You’ll Bring

Required:

* Active TS/SCI clearance in DISS.

* Bachelor’s degree and 8+ years of experience or Master’s degree and 6+ years of experience. Additional experience, training, or certifications may be considered in lieu of a degree.

* Current IAT Level II certification (e.g., Security+ CE) or the ability to obtain within 30 days of Leidos start date.

* Current Splunk Certified Enterprise Security Administrator certification or the ability to obtain with 60 days of Leidos start date.

* Current Splunk SOAR Certified Automation Developer certification or the ability to obtain with 90 days of Leidos start date.

* Experience with Splunk SOAR/Phantom: playbook development, troubleshooting, and integrations.

* Deep expertise in Splunk Administration, security event analysis, and Python-based automation.

* Strong working knowledge of cross-platform integrations and security tool APIs.

* Experience with process improvement in fast-moving security environments. Preferred:
* IAT Level III certification (e.g., CISSP).

* Proficiency in standard DoD Security and Operational products such as Active Directory, DNS, FWs (packet flows), Email, ACAS, Trellix/Tanium, Splunk, STIGs, Windows/Linux and the standard services associated with these operating systems and products.

* Technical writing skills for SOPs and integration documentation.

* Completion of Splunk SOAR training courses.

* Experience with MITRE ATT&CK integration and SOC-level triage workflows. Why You’ll Love Working Here
* Mission-Focused:
Your skills will directly strengthen national security operations.

* Innovation-Driven:
Get hands-on with advanced automation tools and frameworks.

* Growth-Oriented:
Access certifications, trainings, and cutting-edge technical challenges.

* Team-Centric:
Collaborate with passionate experts across cybersecurity, engineering, and intelligence. Ready to Elevate Your Impact? Apply now and become a driving force behind modern defense operations ESONI DABAOPP1 If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're…