Senior SIEM & Cybersecurity Engineer – DoD/DARPA Ops

Command Post Technologies, Inc; Arlington (VA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Great health benefits

Leadership training

401k with generous company matching

Employee Stock Ownership Plan (ESOP)

Career professional development

Tuition reimbursement

Flexible hours

Work/Life balance

Rewards and recognition

Paid Time Off

Parental Leave

Job summary

Command Post Technologies, Inc. (CPT) is seeking experienced SIEM and cybersecurity engineers to support DARPA in Arlington, Virginia.

The role focuses on engineering, configuration, integration, and sustainment of enterprise security monitoring, improving threat detection, and ensuring DoD-compliant baselines across complex networks. Qualified candidates will have final DoD Secret clearance and at least 5 years in cybersecurity engineering and SIEM, with hands-on experience across Splunk,

Qualifications

• Final DoD Secret security clearance.
• Minimum of 5 years of relevant experience in cybersecurity engineering, SIEM administration, network security, or related technical disciplines.
• Hands-on experience administering, configuring, or engineering SIEM and enterprise security monitoring solutions.
• Experience collecting, parsing, analyzing, and correlating log data from multiple security and infrastructure sources.
• Working knowledge of network protocols, security architecture, firewalls, IDS/IPS technologies, and endpoint security platforms.
• Experience troubleshooting and integrating cybersecurity technologies in enterprise environments.
• Familiarity with Windows and Linux operating systems and common enterprise infrastructure.
• Ability to document technical configurations, communicate findings, and support operational cybersecurity teams.

Responsibilities

• Engineer, configure, integrate, and maintain SIEM and security monitoring capabilities across enterprise information systems.
• Support centralized collection, normalization, correlation, storage, and analysis of security logs and events.
• Develop and tune detection rules, alerts, dashboards, and reporting capabilities to identify suspicious activity and improve operational visibility.
• Integrate security data from firewalls, intrusion detection and prevention systems, servers, endpoints, directory services, and other network infrastructure.
• Troubleshoot security monitoring tools, resolve data collection and integration issues, and improve detection effectiveness.
• Support deployment, configuration, and sustainment of network security technologies, including firewalls, IDS/IPS, and endpoint protection systems.
• Coordinate with CND analysts, incident responders, network engineers, and system administrators to support cybersecurity operations.
• Assist with vulnerability management, security assessments, configuration validation, and remediation activities.
• Support security incident investigations by providing event data, correlation results, and technical analysis.
• Develop and maintain technical documentation, system configurations, operational procedures, and security monitoring reports.
• Ensure implemented security solutions align with applicable DoD cybersecurity requirements and approved system security baselines.

Skills

SIEM administration

Cybersecurity engineering

Windows and Linux

Threat detection

Network security

Security event logging

Tools

Splunk

Microsoft Sentinel

Elastic Security

ACAS

Kusto Query Language

PowerShell

Job description

Command Post Technologies, Inc. (CPT) is seeking experienced SIEM and cybersecurity engineers to support DARPA in Arlington, Virginia.

The role focuses on engineering, configuration, integration, and sustainment of enterprise security monitoring, improving threat detection, and ensuring DoD-compliant baselines across complex networks. Qualified candidates will have final DoD Secret clearance and at least 5 years in cybersecurity engineering and SIEM, with hands-on experience across Splunk,