Senior Security Integration Engineer (Elastic Stack) IRES - SSFB

Amentum•Colorado Springs, CO

8h•Onsite

About The Position

This role requires advanced expertise in logging architecture, SIEM design, data normalization, and systems integration. The Senior Security Integration Engineer (Elastic Stack) supports the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract. The candidate will be responsible for onboarding, integrating, and optimizing security data sources into the Elastic Security Platform. They will collaborate with customer technical teams to map their environment, plan ingestion strategies, update network and data flow diagrams, validate logging pipelines, and ensure successful end-to-end SIEM integration.

Requirements

Expert proficiency with Elastic Stack design, ingestion, and optimization.
Advanced competency in network architecture, security telemetry, and log analytics.
Strong troubleshooting skills covering ingestion failures, ECS issues, agent deployment, and pipeline errors.
Skilled at engaging customers, translating requirements, and articulating complex integrations clearly.
Effective at producing structured, high-quality documentation and diagrams.
Demonstrated ownership of complex projects from planning through execution.
Detail-oriented with a focus on accuracy, completeness, and mission assurance.
Ability to balance customer requirements with architectural standards and best practices.
10, or more, years of general (full-time) work experience (may be reduced with completion of advanced education).
5, or more, years of experience in cybersecurity engineering, systems integration, or SIEM operations.
2, or more, years of experience in a lead or senior role, mentoring and guiding other team members.
Strong understanding of enterprise networks, including routing, switching, VPNs, firewalls, and network security tools.
Experience with data ingestion, processing, and enrichment techniques.
Must be able to build and maintain network and data flow diagrams (e.g., Visio, Lucidchart, Draw.io).
Proficient in Linux systems, command-line tools, and system administration fundamentals.
Experience working directly with customers in a technical consulting or engineering capacity.
DoD 8570.01-M IAT Level II certification with Continuing Education (CE) - (CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP).
Active DoD Secret Security Clearance.
Must be able to obtain/maintain a DoD Top Secret Security Clearance.

Nice To Haves

Elastic Certified Engineer, Elastic Certified Analyst, or relevant Elastic certifications.
Experience with cloud platforms and logging pipelines (AWS, Azure, GCP, cloud-native telemetry).
Familiarity with ECS (Elastic Common Schema) and data normalization best practices.
Experience implementing detection engineering or threat hunting workflows in Elastic Security.
Knowledge of scripting languages (Python, PowerShell, Bash) to automate ingestion and data validation.
Experience integrating EDR, NDR, IAM, and vulnerability management logs into a SIEM.
Understanding of MITRE ATT&CK, cyber kill chain, and threat intelligence ingestion.
Experience mentoring or leading small technical teams.

Responsibilities

Conduct assessments of customer environments and identify required logging, telemetry, and network visibility gaps.
Translate customer operational requirements into ingestion roadmaps and technical implementation plans.
Develop, maintain, and version-control network diagrams, data flow diagrams, and SIEM onboarding documentation.
Produce runbooks, integration guides, and operational reference materials.
Monitor ingestion health and coordinate issue resolution with customers and internal teams.
Ensure adherence to security policies, logging standards, and architectural governance.
Provide technical guidance and mentorship to junior engineers working on data ingestion and SIEM onboarding tasks.
Contribute to onboarding playbooks, best practices, and internal training sessions.
Serve as a subject-matter expert on Elastic SIEM capabilities and logging integration patterns.