Sr. Systems Integration Engineer TSSCI

Full-Time / Contract Support / TS/SCI Clearance Required

Position Summary

GC2IT is seeking a Senior Systems Integration Engineer to design modernize and sustain integrations for a mission-critical globally deployed identity and mobility platform. This hands-on role focuses on complex system-to-system integrations across Java microservices event-driven architectures edge environments and cloud platforms.

Key Responsibilities

Design build and maintain secure reliable integrations between a distributed platform and third-party systems using REST APIs asynchronous messaging secure file/data exchange and device/peripheral interfaces.

Modernize legacy integrations into Java-based microservices operating within a distributed platform architecture.

Build integrations across edge data center and AWS cloud deployment models.

Engineer integrations for resilience observability auditability latency and intermittent or low-bandwidth network conditions.

Integrate with government and commercial systems such as identity and verification services traveler data platforms biometric and document-capture peripherals and access-control/gate systems.

Define interface contracts schemas versioning strategies retry/idempotency behavior and certification/test approaches.

Troubleshoot issues across application data messaging and network layers.

Partner with software cloud network QA field engineering analytics/observability and security teams.

Required Qualifications

Eight or more years of experience in software engineering or systems integration.

Strong hands-on experience building Java-based distributed services.

Proven production experience with API integration and event-driven messaging.

Experience with one or more of the following: RabbitMQ Kafka JMS AMQP MongoDB Elasticsearch/OpenSearch or AWS production deployment/operations.

Experience designing and supporting integrations in high-availability mission-critical or regulated environments.

Strong understanding of authentication/authorization certificate-based security schema evolution error handling/retries observability and supportability.

Experience modernizing legacy or monolithic integrations into service-oriented or microservices-based architectures.

Ability to work effectively in a highly collaborative engineering environment with direct ownership of delivery outcomes.

Preferred Qualifications

Experience with HashiCorp tooling especially Consul Nomad and Vault or adjacent platforms.

Experience with AWS-native services and infrastructure automation.

Familiarity with ELK Grafana Kibana Logstash or other observability stacks.

Experience integrating biometric devices document readers cameras license plate readers or other field peripherals.

Experience with degraded disconnected or low-bandwidth environments.

PHYSICAL DEMANDS

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job the employee is regularly required to climb bend stretch walk sit use hands to handle or feel; frequently use fingers to type; talk and hear; occasionally stand kneel stoop crouch bend twist or reach out; may require lifting or moving 10 lbs; frequently required to reach with hands and arms. Vision requirements for this position include close vision distance vision color vision peripheral vision depth perception and ability to adjust focus.

WORK ENVIRONMENT

Work environment will have moderate noise when working in an office environment.

ADDITIONAL INFORMATION

Equal Opportunity Employer - The Company does not discriminate based upon race religion color national origin sex sexual orientation gender gender identity gender expression transgender status sexual stereotypes age status as a protected veteran status as an individual with a disability or other applicable legally protected characteristics.

All applicants must be able to perform the essential functions of the position including corresponding core job requirements with or without reasonable accommodation. Reasonable accommodations may be made to enable individuals with disabilities (and others in accordance with applicable law) to perform the essential functions of the job consistent with applicable laws and Company policy.

Job Type: Full-time

Please email inquires to:

Required Experience:

Senior IC