Government and Infrastructure - Digital Engineering - Integration Senior Engineer

Job ID: 1444058033Location: McLean, VA, US, 22102Salary: $122,900 - $204,900Job Function: Technology ConsultingEmployer: EY Global ServicesApply by: 2026-11-02Company: EYAt EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world.Government and Infrastructure – Technology Consulting - Digital Engineering – Integration Engineer - Senior ConsultantFrom strategy to execution, the Government & Infrastructure practice of Ernst & Young provides a full range of consulting and audit services to help our Federal, State, Local and Education clients implement new ideas to help achieve their mission outcomes. We deliver real change and measurable results through our diverse, high-performing teams, quality work at the highest professional standards, operational know-how from across our global organization, and creative and bold ideas that drive innovation. We enable our government clients to achieve their mission of protecting the nation and serving the people; increasing public safety; improving healthcare for our military, veterans and citizens; delivering essential public services; and helping those in need.The opportunityOur Digital Engineering practice is helping organizations solve complex problems through purpose-led transformation. To achieve this mission, a diverse and talented team from around the globe are creating innovative digital experiences that help our clients succeed and thrive.Our practice combines an understanding of the public sector's diverse mission needs with private sector leading practices. The Integration Senior Engineer maps how applications, data and enterprise services connect across the portfolio, so that rationalization decisions and modernization sequencing reflect real dependencies rather than assumptions. This role identifies the interfaces, data exchanges and shared services that make applications difficult to retire or consolidate, and defines the target-state integration patterns that allow the portfolio to be simplified safely.Your key responsibilitiesIdentify and document application interfaces and integrations, including REST and SOAP APIs, file transfers, message queues, ETL jobs, database links, shared database access and scheduled batch exchanges.Map point-to-point integrations, shared middleware and enterprise integration patterns, and distinguish authoritative data sources from replicas and derived copies.Assess use of enterprise shared services, including API management (for example, Gravitee), data integration and ETL (for example, Qlik/Talend), identity and access management (for example, Okta and CyberArk, including federated and PIV-based authentication), enterprise search, document management, and low-code and robotic process automation platforms.Validate integration dependencies discovered by automated analysis and populate the dependency graph used for impact analysis and modernization wave sequencing.Assess integration risk and complexity for retire and consolidate decisions, including downstream consumers, data contracts, coexistence and cutover considerations.Define target-state integration patterns (API-first, event-driven and consolidated data services) and reusable integration approaches for future modernization waves.Work with application owners, data owners and third-party system owners to confirm interface contracts and data exchange expectations.Produce interface inventories, data-flow diagrams and integration documentation that are traceable to source evidence. Skills and attributes for success Experience with enterprise application integration, including REST and SOAP APIs, messaging (JMS, AMQP, Kafka or cloud messaging services) and ETL/ELT.Strong SQL skills across Oracle, SQL Server and PostgreSQL, including database links and replication.Ability to read integration code and configuration in Java and/or .NET.Working knowledge of identity protocols (SAML, OAuth 2.0 and OpenID Connect).Clear, structured written documentation skills.To qualify for the role, you must have Bachelor's degree in computer science, software engineering, information systems, computer engineering or a related field, or equivalent practical experience.Must be able to obtain and maintain a secret level clearance3–6 years of enterprise integration or software engineering experience, including mapping and modernizing integrations across multiple applications.Experience with enterprise application integration, including REST and SOAP APIs, messaging (JMS, AMQP, Kafka or cloud messaging services) and ETL/ELT.Strong SQL skills across Oracle, SQL Server and PostgreSQL, including database links and replication.Ability to read integration code and configuration in Java and/or .NET.Working knowledge of identity protocols (SAML, OAuth 2.0 and OpenID Connect).Must be comfortable working in-person as needed in the Washington, DC areaIdeally, you'll also have Expertise in developing written and visual communication products Excellent written and oral communication skills Ability to collaborate with clients and identify engagement follow-on opportunities What we offer youAt EY, we harness our collective strength to empower you to shape your future with confidence through professional growth, personal fulfillment and an inclusive culture. Learn more at ey.com/us/careers.We offer a comprehensive compensation and benefits package where you’ll be rewarded based on your performance and recognized for the value you bring to the business. The base salary range for this job is: New York City, Boston, and Washington DC Metro Areas, Washington State, and Southern California offices – $122,900 to $204,900Bay Area California offices – $128,100 to $213,400All other offices locations in the US, including Sacramento – $102,500 to $187,900 Individual salaries within these ranges are determined through a wide variety of factors including but not limited to education, experience, knowledge, skills and geography. In addition, our Total Rewards package includes medical and dental coverage, pension and 401(k) plans, and a wide range of paid time off options.Under our flexible vacation policy, you’ll decide how much vacation time you need based on your own personal circumstances. You’ll also be granted time off for designated EY Paid Holidays, Winter/Summer breaks, Personal/Family Care, and other leaves of absence when needed to support your physical, financial, and emotional well-being.Are you ready to shape your future with confidence? Apply today. To make the most of your application experience, please limit yourself to two applications within a six-month period.EY accepts applications for this position on an on-going basis.For those living in California, please click here for additional information.At EY, our values set the foundation for how we work and the behaviors we expect of our people. Any misrepresentation or falsification of information or lack of integrity at any point in the recruiting process may result in withdrawal of your candidacy, revocation of an offer or immediate termination of employment.EY | Building a better working worldEY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.All in to shape the future with confidence.EY provides equal employment opportunities to applicants and employees without regard to race, color, religion, age, sex, sexual orientation, gender identity/expression, pregnancy, genetic information, national origin, protected veteran status, disability status, or any other legally protected basis, including arrest and conviction records, in accordance with applicable law.  EY is committed to providing reasonable accommodation to qualified individuals with disabilities including veterans with disabilities. If you have a disability and either need assistance applying online or need to request an accommodation during any part of the application process, please call 1-800-EY-HELP3, select Option 2 for candidate related inquiries, then select Option 1 for candidate queries and finally select Option 2 for candidates with an inquiry which will route you to EY’s Talent Shared Services Team (TSS) or email the TSS at View email address on click.appcast.io.