WHAT DOES AN INTEGRATION AND TEST ENGINEER DO?

Published: Sep 25, 2025 - The Integration and Test Engineer collaborates closely with front-end Systems Engineers, design teams, and customers to define clear, verifiable system requirements and establish end-to-end traceability through test plans and procedures. This position drives the development and execution of comprehensive test programs spanning functional, performance, and qualification testing while ensuring system validation, risk mitigation, and design-for-test capabilities. The engineer also contributes to robust system architectures, guides hardware and software design with reliability in mind, and scopes technical needs, including personnel, facilities, and infrastructure for seamless I&T execution.

A Review of Professional Skills and Functions for Integration and Test Engineer

1. Sr. Integration and Test Engineer Duties

  • Roadmap Planning: Creating roadmaps, developing long-term plans for technology solutions and The Open Group Architectural Framework experience (TOGAF)
  • EA Program Support: Provide support and expertise to all facets of the EA Program
  • EA Briefings: Prepare briefings on EA for all levels of government, and prepare responses to EA PMO
  • Government Liaison: Provide support to the government liaison with external stakeholder entities, to collect and validate detailed EA data
  • EA Design: Design and implement the layers of the EA, including technology, data, services, and business
  • EA Artifacts: Publish and provide EA artifacts to the COR and TM, which include the EA Repository and the CIO Quarterly Roadmap
  • ICAM Solutions: Identity, Credentialing, and Access Management (ICAM) solutions and shared services
  • Cloud Security: Developing security access to cloud-connected resources utilizing common Cloud Edge Security concepts (CASB, UCE, SASE, etc.)
  • Data Access: Expanding secured data access to various environments and edge devices

2. Integration and Test Engineer Responsibilities

  • Needs Assessment: Customer needs assessment, commercial techniques for evaluation of satisfaction measurement/metrics tools
  • Collaboration Skills: Coordinate efforts and work with other internal and external organizations
  • Endpoint Management: Translating legacy desktop configurations into a mobile-connected workforce (Unified Endpoint Management, Mobile Device Management)
  • MVP Delivery: Delivery of minimum viable products (MVP) in condensed timeframes
  • Federal Knowledge: Have knowledge of Federal Law Enforcement organization concepts, networks, applications, and architectures (or DOJ, IC and DoD), including their “As-Is” and “To Be” plans
  • Data Analysis: Provide research and/or analysis in support of data calls and meetings
  • EA Repository: Develop and maintain a consolidated EA repository, using agency-specific software packages
  • Cost Analysis: Produce a written technical cost analysis on the architectural impact of proposed IT investments
  • Regulatory Research: Research and interpret guidance, regulations, and mandates to make recommendations to government personnel

3. Integration and Test Engineer Accountabilities

  • Team Collaboration: Collaborate with front-end Systems Engineers and customers
  • Requirement Definition: Define and capture accurate, clear, and verifiable requirements
  • Verification Methods: Assign appropriate verification methods
  • Requirement Traceability: Establish requirement traceability to test plans and procedures
  • Risk Management: Identify high-risk requirements and scope risk reduction activities
  • I&T Scoping: Scope requirements for downstream I&T execution, including technical skills, personnel, training, facilities, test infrastructure, and security considerations
  • System Concepts: Contribute to system concepts and architectures that promote design-for-test capabilities
  • Design Collaboration: Collaborate with hardware and software design teams to anchor analytical models with empirical test data, ensure requirement compliance, and establish design-for-test capabilities
  • Design Guidance: Guide detailed designs by incorporating reliability and robustness techniques that design out failure mechanisms caused by corner cases and environmental factors
  • Integration Expertise: Leverage multi-disciplinary System Integration and Test expertise to develop high-level test and test infrastructure concepts
  • Test Planning: Define test plans and detailed test procedures (functional, performance, acceptance, qualification)
  • Test Execution: Execute test programs (dry runs, Test Readiness Reviews, formal execution, data processing and analysis, test data reporting)
  • System Validation: Serve as system integrators and execute system validation activities

4. Integration and Test Engineer Job Description

  • Optical Integration: Integration of high-capacity WDM Optical Transmission Equipment for transoceanic subsea networks
  • Equipment Configuration: Configure the Equipment for the specific projects
  • Network Troubleshooting: Troubleshoot the Network Element
  • Issue Analysis: Analyse and investigate issues, determine the root cause
  • Ticket Management: Record investigations and failed units on the standard ticket system
  • Test Assessment: Assess which test for each specific project
  • Factory Testing: Perform Factory Acceptance Test on Network Elements
  • Integration Support: Contributing to the day-to-day support of integration and FAT
  • Fault Repair: Fault/Repair confirmation of returned/repaired units
  • Report Generation: Generating reports for quality, efficiency, and plan conformance by the department supervisor
  • Test Equipment: Use a variety of test equipment, such as an Optical spectrum analyzer, optical power meter, oscilloscope, etc.

5. Integration and Test Engineer Details and Accountabilities

  • Customer Interaction: Daily interaction with customers and supporting contractors to include consultation, meeting coordination, and preparation/support to technical briefings
  • Integration Planning: Lead the development of integration plans and testing
  • Report Preparation: Execute tasks to generate papers, reports, and briefings for government review and acceptance
  • Deliverable Review: Review program and project deliverables for both technical accuracy and quality
  • Test Leadership: Establish and/or lead system test working groups to develop test planning documentation required for each test owned by the customer organization
  • Test Monitoring: Monitor test execution, document completed objectives, and report status to senior Government leadership
  • Schedule Coordination: Work with the customer enterprise to establish test dates for future customer organization test campaigns
  • Requirement Closure: Identify evidence required for closure of allocated enterprise/system-level requirements
  • Program Support: Lead and support various program technical and management forums and meetings (including Test/Integration Reviews, Engineering Review Boards, Technical Exchange Meetings, Program Management Reviews, and Project Reviews)

6. Integration and Test Engineer Roles

  • Test Planning: Develops test plans and test cases
  • Test Dependencies: Identify test dependencies, environment constraints, and data requirements
  • Task Execution: Execute and prioritize testing tasks to meet agreed timeframes
  • Defect Management: Effectively identify, troubleshoot, and address software defects to the proper teams or owners
  • Progress Reporting: Provide reports to management about testing progress and status
  • Environment Maintenance: Proactively cooperate to test environment maintenance by investigating environment-related issues, analyzing them, and proposing a technical solution independently
  • Team Interaction: Interact effectively with all levels of management and staff
  • UAT Support: Provide support to business simulations and/or UAT sessions with customers
  • Process Review: Regularly review processes and procedures to ensure testing is being executed in an efficient manner

7. Integration and Test Engineer Essential Functions

  • Test Specification: Develop and/or control the development of test specifications/test cases/sets of regression tests, for new networking hardware/new and enhanced software release of applications in an accurate and timely manner
  • Test Scheduling: Develop test schedules and ensure follow-through so that deadlines for testing completion are met
  • Design Review: Participate in requirements/design reviews of new products to ensure testability and become acquainted with new products
  • Process Improvement: Propose and lead the implementation of process improvement efforts
  • Test Supervision: Supervise test execution and verification/validation phase, follow up on all problems captured/reported, provide input for reports, and follow up on change requests
  • Test Automation: Propose and lead the development of test automation tools
  • Test Management: Act as a manager for the testing of hardware/software components for medium-sized/complex projects
  • Team Leadership: Guide and motivate a small team, identify priorities and objectives, and follow up on progress and achievements
  • Pilot Testing: Follow up on all aspects of the pilot testing of software in customers' environments

8. Integration and Test Engineer General Responsibilities

  • Wafer Toolkit: Develop an in-depth understanding of wafer-level toolkit features and device testing
  • Data Monitoring: Monitor trends in wafer probe data and lead the appropriate response
  • Data Analysis: Perform analysis of wafer-level probe data, and examine correlations to relevant process blocks and KPIVs
  • Test Design: Design and optimise test structures to ensure functionality and accuracy
  • Test Techniques: Examine industry standard test techniques, new techniques, to ensure product performance predictability
  • Technology Collaboration: Work with colleagues in development teams to understand future test technologies and requirements
  • Quality Checks: Participate in wafer quality checks to ensure shipping wafers are of the highest quality
  • Yield Improvement: Report and drive improvement in wafer-level test yield

9. Integration and Test Engineer Key Accountabilities

  • System Requirements: Assists with the development and documentation of moderately complex electronic and electrical system requirements
  • Hardware Design: Develops or modifies basic hardware and software designs based on defined requirements
  • System Testing: Performs system tests to verify operational and functional requirements
  • Supplier Monitoring: Assists in monitoring suppliers' performance to ensure compliance with requirements
  • Integration Support: Supports resolution of product integration issues and production anomalies
  • Team Support: Help to ensure that the team develops the system according to the required specifications, with proper testware
  • Testware Design: Define, design, and realize the testware for the Microsure solution, in close collaboration with the system architect and other team members
  • Reliability Programs: Define system characterization and reliability programs
  • Regulatory Compliance: Assure compliance with regulatory and QMS requirements
  • Test Case Execution: Specification, review, implementation, and execution of test cases for software products
  • Feature Verification: Self-dependent verification of newly implemented features based on Nightly Builds and development versions
  • Developer Collaboration: Close collaboration with the developers for clarifying the unexpected behavior of the software
  • Requirement Verification: Verify software requirements that require a test or demonstration as the verification method
  • Aircraft Systems: Address function and performance at the Aircraft/Air Vehicle systems level
  • Interface Simulation: Interfaces to the host vehicle will be simulated

10. Integration and Test Engineer Duties and Roles

  • Test Case Design: Design, creation and execution of test cases that run from the DCC User role
  • Test Processes: Use and development of test processes and capabilities, such as test automation and test tools, which further enhance CI/CD capability
  • Defect Management: Creation and management of defect records and re-testing of corrected functionality
  • Partner Collaboration: Close working with the company and external partners to prevent/understand and correct defects
  • Requirement Analysis: Working with other in-house teams to understand testing requirements and derive test cases
  • SMETS2 Knowledge: Apply knowledge of SMETS2 architecture, devices, protocols and specifications (DUIS, GBCS, Zigbee etc.)
  • Automation Development: Architecting and development of enhancements to test automation, including Python, Relational database, OpenCV, Linux, interfacing to 3rd party services, and in-house automation components
  • Defect Resolution: Creation and management of defect records and re-testing of corrected functionality
  • Team Collaboration: Close working with internal and external partners to prevent/understand, and correct defects
  • Testing Requirements: Working with other teams to understand testing requirements and derive test cases
  • System Troubleshooting: Troubleshooting system issues on an enterprise software system's architecture
  • Issue Diagnosis: Lead the hands-on diagnosis of issues that arise during the integration and testing process
  • Test Planning: Identify key requirements, create test plans, and apply a strong programming and scripting skill set to implement system and unit-level tests
Relevant Information
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What Does A Hardware Test Engineer Do?