Senior SIEM Engineer

Location: Harrisburg, PA
Work Arrangement: Hybrid, 3 days onsite per week in Harrisburg, PA
Schedule: 37.5 hours/week
Interview: In-person
Contract: October 26, 2026 to December 31, 2026; Historically, these roles are extended for an additional year.
Visas Accepted: USC, GC, GC EAD, H1B

Role Overview

The Commonwealth of Pennsylvania is seeking a Senior SIEM Engineer to provide specialized engineering support for its Security Information and Event Management (SIEM) environment. This position supports the design, configuration, integration, optimization, and ongoing operation of the enterprise SIEM platform to strengthen security monitoring, threat detection, incident response, and log management capabilities.

The selected contractor will provide hands-on technical support for the SIEM environment, reporting to the Director, who retains responsibility for strategic direction, governance, and overall program oversight. The position requires onsite work in Harrisburg three days per week. Historically, these roles are extended for an additional year, although an extension is not guaranteed.

Primary Responsibilities

• Engineer, configure, maintain, and optimize the enterprise SIEM platform, including Splunk and related security technologies.

• Onboard new data sources and ensure logs are properly collected, parsed, normalized, indexed, and retained.

• Develop and maintain correlation searches, alerts, dashboards, reports, detection rules, and other security monitoring content.

• Integrate SIEM capabilities with security tools, cloud platforms, applications, infrastructure, and other enterprise systems.

• Monitor SIEM platform performance, capacity, availability, and overall health and troubleshoot technical issues.

• Tune alerts and detection logic to reduce false positives and improve the effectiveness of security monitoring.

• Support SOC analysts and incident response personnel by providing technical expertise, queries, dashboards, and investigative capabilities.

• Support upgrades, patches, configuration changes, testing, and implementation of supported SIEM infrastructure.

• Develop and maintain technical documentation, operational procedures, system configurations, and knowledge-transfer materials.

• Collaborate with SOC, infrastructure, cloud, networking, and application teams on SIEM-related initiatives.

• Follow Commonwealth security standards, change-management processes, and applicable cybersecurity policies and requirements.

Required Technical Skills

• SIEM and Security Operations: Professional IT experience supporting SIEM, security engineering, cybersecurity operations, or security monitoring technologies.

• Splunk Enterprise and Splunk Enterprise Security: Experience administering or engineering Splunk Enterprise and/or Splunk Enterprise Security.

• Security Log Integration: Demonstrated experience onboarding and integrating security log sources using technologies such as syslog, APIs, agents, or cloud-native integration.

Preferred Qualifications

• Highly desired: Splunk Enterprise Certified Admin certification.

• Experience supporting a large enterprise or government environment.

• Experience developing SPL searches, dashboards, alerts, correlation searches, and reports.

• Experience troubleshooting complex SIEM, logging, data ingestion, or integration issues.

• Familiarity with cybersecurity frameworks such as NIST and MITRE Telecommunication&CK.