Appian Software Developer/Integrator - TS/SCI
About the role
Appian Software Developer/Integrator – TS/SCI Xcelerate Solution is seeking an Appian Software Developer/Integrator to design, develop, deploy, and operate a DoD-wide Tasking, Collection, Processing, Exploitation, and Dissemination (TCPED) workflow management platform for Open Source Intelligence (OSINT). As a TS/SCI cleared Appian Software Developer/Integrator on the team, you will play a critical role in ensuring the platform is built to maximize mission outcomes, is user-friendly, and adheres to IC standards, policies, and practices. The work integrates off‑the‑shelf and new development efforts to sustain and enhance existing architecture, leveraging cloud‑based computing, artificial intelligence (AI), machine learning (ML) and cross‑domain transfer systems to provide cutting‑edge requirements management, task coordination, data exploitation, enrichment, triage, and analytics capabilities for Defense and Intelligence Community members. The program advances mission‑focused big data analytics tools and micro‑service development across Agile sprints to multi‑year R&D cycles. While the work is primarily conducted on‑site at the client location in Bethesda, MD, a flexible schedule is offered and occasional remote work may be required, with the percentage varying based on client requirements/deliverables. Join an award‑winning organization and work with some of the most talented minds in the GovCon industry.
Responsibilities
- Work with a team of system integration engineers to successfully deploy release candidates to production environment.
- Participate in test, staging and production deployment.
- Integrate container‑based Appian using Kubernetes, Rancher, Helm and other DevOpsSec integration tools.
- Assist in the maintenance of services and procedures for a big data pipeline which includes Kafka, Elasticsearch, and several in‑house written Python/Java micro‑services running on Kubernetes.
- Monitor automated system integration tests to identify failed modules and components.
- Manage individual project priorities, deliverables, and deadlines.
- Foster an environment of collaboration with different team members to provide quality service and product to the customer.
Requirements
- Bachelor’s Degree and 8+ years of prior relevant experience, or a Master’s with 6+ years of prior relevant experience.
- Active Top Secret/SCI clearance and ability to obtain and maintain a Polygraph.
- Experience with Appian.
- Experience with containerization.
- Development and/or scripting experience, especially Python and Bash.
- Experience with DevOps practices and tools including CI/CD, especially GitLab or Jenkins.
- Experience with Agile practices.
- Strong verbal and written communication skills.
- Enthusiastic team player with the ability to work independently as a self‑starter.
Preferred Qualifications
- Experience with systems at scale.
- Experience with Kafka or other message‑passing systems.
- Experience on a production/enterprise system.
- Cloud infrastructure experience.
- Appian certification.
- Experience with Java.
- Kubernetes monitoring (e.g., Prometheus/Grafana).
- Appian integration with PostgreSQL or other DB.
- SALT for deployment automation.
- GraphQL.
- Elasticsearch, Kibana, and Logstash admin experience.
- Helm and Helmfile.
- Possess at least one DoD 8570.01‑M IAT Level II or higher certification (e.g., CCNA Security, CySA+, Security+ CE, SSCP, CISSP or Associate).
- Ability to obtain Privileged User Account (PUA) certification per DoD 8570 policy.
About Xcelerate Solutions
Founded in 2009 and headquartered in McLean, VA, Xcelerate Solutions (www.xceleratesolutions.com) is one of America's fastest‑growing companies. Its culture is defined by a diversified workforce of dynamic and versatile professionals, supported with growth and development opportunities that contribute to individual and company growth. This commitment has been recognized by inclusion on the Washington Business Journal’s “50 Best Places to Work” list and being a “Great Place to Work” certified company with a