Senior Test Engineer

Join the NATO IT Modernization (NITM) Programme and contribute to a high-impact international mission delivering secure next-generation private cloud capabilities within NATO-secured environments. The Senior Test Engineer provides hands-on test engineering expertise for the verification and validation of enterprise infrastructure and cloud capabilities supporting a private cloud Software-Defined Data Center (SDDC).

The position develops automates executes and documents testing across Enterprise Core Services (ECS) Client Provisioning Services (CPS) Infrastructure as a Service (IaaS) DevOps and Service Management Control (SMC). Working closely with the Test Director Chief Engineers Platform Network Firewall Backup & Recovery DevOps and product engineering teams the Senior Test Engineer validates both physical and automated implementation of integrated solutions against functional performance security interoperability and customer acceptance requirements.

The position is expected to be onsite 5 days a week at the Customer Site in The Hague Netherlands with frequent travel to NATO sites supporting integration deployment testing and customer acceptance activities.

Primary Responsibilities

• Develop automate execute and document test procedures supporting private cloud SDDC modernization initiatives.

• Perform functional system integration interoperability regression performance security resiliency and customer acceptance testing.

• Translate system architecture and engineering requirements into test cases acceptance criteria test procedures and requirements traceability documentation.

• Develop and maintain automated test capabilities using scripting APIs infrastructure automation and test automation technologies.

• Work with Platform Network Firewall Backup & Recovery IaaS DevOps and product engineering teams to validate end-to-end enterprise capabilities.

• Validate physical and automated implementation of enterprise infrastructure including compute and virtualization networking security storage backup/recovery platform services and associated automation workflows.

• Execute testing of VMware-based private cloud infrastructure and associated SDDC technologies validating configuration integration availability performance resiliency and security requirements.

• Validate infrastructure automation and Infrastructure as Code (IaC) workflows to ensure automated deployments produce consistent repeatable and compliant configurations.

• Configure and maintain representative test environments supporting system integration technical validation regression testing and customer acceptance.

• Identify document reproduce and troubleshoot defects and integration issues working collaboratively with engineering teams through resolution and retest.

• Perform root cause investigation to help distinguish defects associated with physical infrastructure network connectivity platform configuration security controls automation software or integration dependencies.

• Manage test cases execution results defects requirements traceability and supporting evidence using Jira and enterprise test-management tools.

• Develop and maintain test plans procedures test cases Requirements Traceability Matrices (RTMs) defect reports test evidence and test completion documentation.

• Participate in Agile activities including backlog refinement sprint planning technical reviews sprint reviews release planning and defect prioritization.

• Support establishment and enforcement of programme testing standards methodologies quality gates and engineering processes.

• Analyze test results defect trends test coverage and quality metrics to identify technical risks and opportunities for improvement.

• Coordinate with engineering and site deployment teams to ensure test prerequisites environments configurations data access documentation and other dependencies are ready before formal test execution.

• Travel to NATO sites to perform system integration testing technical validation troubleshooting customer demonstrations formal acceptance testing and deployment support.

• Capture test and deployment lessons learned and provide feedback to engineering teams to improve solution designs automation test coverage documentation and future implementations.

• Ensure testing activities comply with NATO security policies programme quality standards and engineering governance requirements.

Basic Qualifications

• Bachelors degree in Computer Science Information Technology Engineering or related discipline with 812 years of relevant experience or Masters degree with 610 years of relevant experience.

• Active NATO Secret clearance (or higher).

• Demonstrated hands-on experience performing test engineering or quality assurance for large-scale infrastructure cloud systems integration or technology modernization programmes.

• Experience performing system integration interoperability regression performance security resiliency and/or customer acceptance testing.

• Experience testing integrated enterprise infrastructure across multiple technology domains such as compute/virtualization networking firewalls/security storage backup/recovery cloud and automation.

• Experience developing test plans procedures test cases acceptance criteria test evidence and requirements traceability documentation.

• Experience with test automation scripting APIs or automated testing frameworks.

• Working knowledge of infrastructure automation and Infrastructure as Code (IaC) including technologies such as Ansible Terraform PowerShell Python APIs or equivalent tools.

• Strong understanding of enterprise infrastructure cloud platforms virtualization networking cybersecurity backup/recovery and system integration principles.

• Experience identifying reproducing troubleshooting and documenting complex infrastructure and integration defects.

• Experience using Jira and test/defect-management platforms such as Xray Zephyr Azure DevOps Test Plans or equivalent.

• Experience working within Agile SAFe or DevSecOps delivery frameworks.

• Strong analytical troubleshooting communication documentation and cross-functional technical collaboration skills.

• Experience supporting defence government mission-critical or highly regulated environments.

• Ability and willingness to travel internationally to NATO locations as required to support integration deployment testing troubleshooting and customer acceptance activities.

Preferred Qualifications

• ISTQB or equivalent test engineering certification.

• Experience supporting NATO environments and compliance frameworks.

• Experience testing VMware Cloud Foundation (VCF) or equivalent private cloud/SDDC infrastructure.

• Experience testing VMware vSphere vCenter ESXi vSAN NSX or associated enterprise virtualization technologies.

• Familiarity with Cisco networking Palo Alto Networks enterprise storage backup/recovery and associated data-center technologies.

• Hands-on experience with infrastructure automation technologies including Ansible Terraform PowerShell Python APIs or equivalent tools.

• Experience with automated testing frameworks API testing infrastructure testing performance testing security testing and resiliency testing tools.

• Experience developing Requirements Traceability Matrices (RTMs) verification cross-reference matrices and formal test evidence supporting customer acceptance.

• Familiarity with continuous testing CI/CD pipelines and automated quality gates.

• Experience supporting formal customer site acceptance infrastructure commissioning and technical validation activities.

• Experience supporting large-scale geographically distributed infrastructure modernization and enterprise systems integration programmes.

• Experience improving test methodologies and automation based on lessons learned from integration and site deployment activities.

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.