Digital Systems

Tetra Tech accelerates digital transformation by delivering intelligent, data-driven solutions that enhance performance, ensure resilience, optimize assets, and unlock enterprise-wide operational excellence.
As technology advances, clients across water, infrastructure, energy, and manufacturing sectors are challenged to modernize operations, reduce downtime, and improve asset visibility, often with limited resources. The Tetra Tech Digital Systems Group delivers integrated solutions that help clients bridge the gap between operations and enterprise systems.
We support the full infrastructure modernization life cycle through automation, cybersecurity, and data-driven insight—from early planning through long-term operations and performance optimization. With more than 900 automation engineers, 500 cybersecurity professionals, and over 30,000 multidisciplinary experts worldwide, Tetra Tech provides scalable and secure digital transformation that delivers lasting value.
900+
automation staff
500+
cyber staff with regional offices and embedded teams
3,500+
SCADA projects delivered


Master Planning and SCADA, Cyber, and Operational Technology (OT) Strategy
We build long-range digital roadmaps to help organizations evolve with clarity and confidence.
- Cyber, OT, and SCADA master plans with multiyear, budget-aligned project roadmaps
- Condition assessments, disaster recovery planning, and technology benchmarking
- Funding justification tools for stakeholders
- Cross-departmental coordination of information technology (IT)/OT infrastructure
Let Tetra Tech assess your SCADA system with SCADA 360™, a comprehensive diagnostic tool that uncovers vulnerabilities, benchmarks performance, and charts your path to digital resilience.

Systems Integration and Modernization
Our certified integrators, engineers, and developers deliver intelligent, resilient automation systems across greenfield and brownfield environments.
- Programmable Logic Controller (PLC) and distributed control system (DCS) programming across every major control system platform
- Human machine interface (HMI) and operator interface terminal (OIT) configuration using high-performance graphics
- Functional specifications to reduce development risk and cost
- Full SCADA lifecycle support with architecture, configuration, alarms, and visualization
- Commissioning and startup services, Factory acceptance test (FAT), site acceptance test (SAT), and project management

Data Management and Advanced Analytics
Tetra Tech delivers comprehensive data management and analytics solutions that transform raw information into actionable intelligence. From robust historian development and automated reporting to enterprise data integration and artificial intelligence (AI)-powered insights, our approach empowers clients to make faster, smarter, and more sustainable decisions.

Historian Development
Our historian development approach ensures reliable, scalable, and secure data infrastructure to support advanced analytics and informed decision-making.
- Tier 1 local and Tier 2 enterprise historians for robust time-series data storage
- Scalable, secure, and high-performance historian architecture
- Efficient trend analysis and operational insight
- Support of third-party data sharing for broader interoperability
- Establishment of a foundation for advanced diagnostics and custom reporting

Automated Reporting
Our team designs tailored reports that transform complex datasets into actionable insights, reducing report preparation time from days to minutes while increasing accuracy and traceability.
- Existing data flow optimization
- Data collection gap filling
- Structured query language (SQL)-based query and visual development
- Output automation using SQL Server Reporting Services (SSRS), AVEVA Reports, Power BI, and other tools

Data Centralization and Integration
We break down data silos to create a single source of truth. Through centralized platforms, clients gain holistic visibility across multiple platforms, which improve decision-making, compliance, and communication across departments.
- SCADA and HMI systems
- LIMS/WIMS tools
- Financial platforms
- GIS and geospatial data sources

Machine Learning (ML) and AI
We guide clients through the adoption of ML/AI, from early exploration to full model deployment. Our incremental roadmap ensures measurable value while building internal capability and confidence.
- Setpoint optimization and anomaly detection
- Predictive maintenance modeling
- Historical data mining for fault pattern recognition
- AI-driven forecasting for load, energy, and chemical use
- Staff training and vendor software selection
Certified in all major SCADA platforms
- Ignition Premier Integrator
- Schneider Electric Master Alliance
- AVEVA Endorsed Partner
- VTScada Advanced Certified Solution Provider
- Rockwell Automation Bronze Integrator Partner
- Cisco OT Supplier Partner
- CSIA Certified
- Endres + Hause Preferred System Integrator Partner
- Parsec Systems Integrator Registered Partner
- GE Veranova

Electrical and Controls Design
From drawings to real-world performance, our electrical and instrumentation and control (I&C) solutions ensure robust and maintainable systems.
- Low-voltage panel and motor control center (MCC) design with drawing package and FAT
- Smart piping and instrumentation diagrams (P&ID), arc flash studies, and reliability analysis
- I&C standardized for consistency and scale
- Product and vendor selection that considers full lifecycle compatibility

Operations, Maintenance, and Training
We support operators and organizations long after deployment with real-time assistance, training, and strategic staffing.
- As-needed/emergency SCADA support
- Embedded automation professionals for on-site assistance
- Performance dashboards and key performance indicator (KPI) visualization
- Hands-on SCADA and PLC training (on-site or at our dedicated training lab)
- Small and medium-sized enterprise (SME) services for vendor coordination, legal and expert reviews, and diagnostics

Regulatory Compliance and Cybersecurity
Tetra Tech embeds security and resiliency from the ground up, ensuring systems meet today’s evolving regulations and threats.
- Cybersecurity audits, risk mitigation, and regulatory compliance support
- Aligned with National Institute of Standards and Technology (NIST), American Water Works Association (AWWA), and Cybersecurity and Infrastructure Security Agency (CISA) Cybersecurity Performance Goals
- Secure network design with segmentation, firewalls, and DMZs
- Governance documentation (security matrices, AD policies, change control)
- IT/OT alignment with secure virtualization, redundancy, and recovery systems
Industries served
Municipal water and wastewater
Oil and gas and petrochemical
Power generation and distribution
Automotive and heavy machinery
Transportation and logistics
Pharmaceutical and life sciences
Buildings and smart infrastructure
Connect with us. Reach out to our digital systems experts.