Elastic Data Engineer

About JCS Solutions LLC JCS Solutions is a premier cybersecurity and technology solutions provider. We specialize in innovative digital transformation, cybersecurity operations, and threat mitigation solutions that elevate and secure customers’ missions. JCS is a company known for results. We bring a high level of expertise to areas crucial to technology. Our customers’ milestones and successes are a testament to our tenacity and talent and a reflection of our integrity. Our comprehensive solutions for federal government and private sector customers include: IT Optimization Cybersecurity AI and Data Design Thinking Transformation Services JCS Solutions has been recognized by Fortune and The Washington Post as a top workplace and recognized as a Great Place to Work® for five consecutive years. We celebrated 10 years of growth and success in 2024.

JCS Solutions LLC

Cyber SecurityIT OptimizationAI and Data AnalyticsCustom IT Solutionsand Digital Transformation

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J

jcssolutions.com

51-200 employees

IT Services and IT Consulting

Fairfax, Virginia

Privately Held

9k LinkedIn followers

• JCS Solutions' C5ISR Center CSSP Cloud Operations Team is seeking an Elastic Data Engineer to support enterprise cybersecurity operations within a Department of Defense environment. In this role, you will design, maintain, and optimize data-ingestion, analytics, and monitoring capabilities using the Elastic Stack to help drive threat detection, incident response, compliance reporting, and operational visibility.
• You will work with cybersecurity and operational telemetry from multiple sources, ensuring data quality, platform performance, and actionable insights for security analysts and stakeholders.
• Design and maintain data pipelines for cybersecurity, cloud, network, endpoint, application, identity, and infrastructure telemetry.
• Collect, ingest, transform, normalize, enrich, and route structured and unstructured data from enterprise sources.
• Develop and maintain data schemas, mappings, standards, and models, including Elastic Common Schema (ECS) alignment.
• Parse and process complex log formats, including JSON, XML, CSV, syslog, Windows Event Logs, and custom application data.
• Implement data quality controls, validation, cleansing, reconciliation, deduplication, and enrichment processes.
• Build reusable parsing, transformation, and enrichment workflows and integrate data from APIs, databases, cloud services, message queues, files, and security platforms.
• Support high-volume, near-real-time data ingestion and event processing while troubleshooting ingestion, mapping, parsing, and data-quality issues.
• Analyze data flows to identify gaps, bottlenecks, inconsistencies, and source-system issues.
• Collaborate with cybersecurity analysts, detection engineers, and infrastructure teams to onboard data sources and support threat hunting, alerting, incident response, and reporting.
• Document data sources, schemas, lineage, dependencies, governance, retention, classification, and onboarding procedures.
• Use Python, SQL, PowerShell, Bash, Git, and testing practices to support data engineering, automation, validation, and troubleshooting.
• Maintain expertise in cybersecurity telemetry, ETL/ELT processes, APIs, and large-scale event-data management.

• Strong experience with the Elastic Stack, including Elasticsearch, Logstash, Kibana, Elastic Agent, Fleet, and Beats.
• Experience designing and supporting high-volume logging, cybersecurity telemetry, and data-ingestion pipelines.
• Knowledge of Elasticsearch architecture, including clusters, indices, shards, mappings, templates, data streams, and lifecycle management (ILM).
• Experience processing JSON, XML, CSV, syslog, Windows Event Logs, and other log sources using Logstash filters and ingest pipelines.
• Experience implementing data retention, rollover, and tiered-storage strategies.
• Linux administration and scripting experience using Python, PowerShell, Bash, or similar languages.
• Knowledge of REST APIs, Git, networking, TLS/certificates, and access-control mechanisms.
• Understanding of security monitoring, threat detection, incident response, vulnerability management, with strong troubleshooting, documentation, and communication skills.
• BS degree with 4-8 years of relevant experience, or MS degree with 2-6 years of relevant experience.
• Active DoD TS/SCI clearance or ability to obtain one.
• Experience supporting SOC, CSSP, SIEM, or enterprise observability platform.
• Experience with Elastic Security, AWS, AWS GovCloud, Kafka, Docker, or Kubernetes.
• Familiarity with Zero Trust, RMF, DISA STIGs, and federal logging requirements.
• Elastic, AWS, Security+, GIAC, or CISSP certification.
• JCS Solutions (JCS) is a premier technology firm providing innovative solutions and high-quality services in defense, national security, and civilian sectors. JCS offers enterprise-wide solutions including cloud computing, software development, cybersecurity, digital modernization, and management consulting for the federal government. At JCS, we elevate our customers’ mission through the application of technology and professional services. Our commitment to investing in our workforce drives innovation and progress for our clients, employees, and communities.
• JCS is both a Great Place to Work and a Top Places to Work certified company.
• Our employees embody our core values, and we are looking for others who do too!
• Customer Experience: Strive for excellence and delight our clients
• Innovation: Embrace creative thinking to enable continual growth and powerful solutions
• Accountability: Take ownership of and pride in our actions and service delivery
• Inspire: Be inspired to be your best self and have fun in the process
• Integrity: Do the right thing, the right way, every time!
• Stewardship: The careful and responsible management of something entrusted to our care.
• At JCS Solutions, compensation is based on a number of factors such as location, qualifications, and applicable contract terms. The general salary range for this position is as follows: $135,000.00 - $162,000.00
• NOTICE: Please be aware that all JCS Solutions communications related to job interviews and offers from our recruiting team will only come from @JCSSolutions.com. We want to emphasize that we do not conduct any interviews over Discord, Slack, Skype, Zoom, or any chat app.

• Join a premier technology firm specializing in innovative solutions.
• Be part of a collaborative, inclusive, and innovative work culture.
• Enjoy tremendous growth potential in a high-performing team environment.
• Health, dental, and vision insurance
• Life insurance
• Short-and-long term disability
• Paid time off (PTO)
• 401k retirement plan with employer match
• And more!