> Markdown version of [/jobs/ext/3027234-sr-siem-engineer](https://www.wearedevelopers.com/jobs/ext/3027234-sr-siem-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Sr. SIEM Engineer

- **Company:** Zachary Piper
- **Location:** Newington, VA, United States
- **Experience:** Expert
- **Salary:** $175,000.0 - $195,000.0
- **Contract:** Permanent contract
- **Skills:** Bash Shell, Cloud Computing, Cyber Security, Identity and Access Management, Intrusion Detection Systems, Python (Programming Language), Network Protocols, Parsing, Performance Tuning, Windows PowerShell, Security Information and Event Management, Data Logging, Scripting, In-Plane Switching (IPS), Data Ingestion, Mitre Att&ck, Firewalls (Computer Science), Information Technology, ArcSight Event Correlation, Splunk
- **Published:** September 22, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9181542/sr-siem-engineer

## About the Role

* Active TS/SCI clearance
 * Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or related field (or equivalent experience)
 * 5+ years of experience with SIEM engineering, cybersecurity monitoring, security analytics, or Splunk administration
 * Hands-on experience with Splunk Enterprise Security, including data onboarding, event correlation, alert tuning, and detection development
 * Strong knowledge of SPL, SIEM operations, MITRE ATT&CK, log management, and security monitoring
 * Experience with Linux/Unix systems, networking protocols, and security technologies such as EDR, IDS/IPS, firewalls, IAM, and cloud logging
 * Scripting experience with Python, Bash, or PowerShell
 * Splunk certifications (Architect, Consultant, ES Admin, or similar) preferred

## Description

Zachary Piper Solutions is seeking a Sr. SIEM Engineer to support a classified program located in Newington, VA. This position is 100% onsite, 5 days per week, and requires an active TS/SCI clearance. The Sr. SIEM Engineer will serve as a technical expert responsible for engineering, administering, and optimizing enterprise SIEM capabilities with a focus on Splunk Enterprise Security., * Architect, deploy, administer, and optimize Splunk Enterprise Security in a large-scale enterprise environment

 * Develop and maintain correlation searches, detection rules, risk-based alerting (RBA), dashboards, and data models
 * Lead data onboarding efforts including parsing, normalization, CIM mapping, and integration of security and IT data sources
 * Perform platform health monitoring, troubleshooting, performance tuning, upgrades, and capacity planning for Splunk infrastructure
 * Collaborate with SOC, Security Engineering, and Incident Response teams to enhance threat detection, threat hunting, and SIEM operations