> Markdown version of [/jobs/ext/3661146-appian-senior-developer-consultant-national-security](https://www.wearedevelopers.com/jobs/ext/3661146-appian-senior-developer-consultant-national-security). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Appian Senior Developer Consultant - National Security - **Company:** Groundswell, LLC - **Location:** McLean, VA, United States - **Experience:** Expert - **Salary:** $115,439.0 - $162,293.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Amazon Web Services, Computing Platforms, Systems Engineering, User Authentication, Microsoft Azure, Cloud Computing, Configuration Management, Information Systems, Data Visualization, Relational Databases, Middleware, Infrastructure as a Service (IaaS), Integrated Architecture Framework, Kerberos (Protocol), Lightweight Directory Access Protocols (LDAP), MariaDB, Microsoft SQL Server, MySQL, Mule, OAuth, Oracle (Applications), Security Assertion Markup Language (SAML), Simple Object Access Protocol (SOAP), Systems Integration, Web Services, Google Cloud, Appian, Information Technology, Data Management, Restful APIs, Devsecops - **Published:** October 9, 2026 - **Apply:** https://www.careerjet.com/job/usee161879d78de1455039e1a0aba60ea9/eaa ## About the Role 3+ years of experience with Appian solutions 5+ years of related IT experience Bachelor's Degree (or equivalent) or higher in Computer Science, Information Systems, Systems Engineering, or related area Active Appian Senior or Lead Certification Strong experience with Appian delivery using an Agile methodology Strong technical design and implementation and problem-solving skills Strong communication skills and ability to convey complex concepts in an easy-to-understand manner, both verbally and written; active listening skills to gather key information from internal and external partners; analytical and strategic foresight Strong organizational skills, attention to detail, ability to work in a high-paced environment, multi-task (prioritize and manage), and work both independently and as a team (team-building skills including courtesy, professionalism, and a "do whatever it takes attitude") US Citizenship required Preference will be given to candidates local to the DC Metro area Must be willing to travel (0-15%) for client meetings as needed. Experience Working In The Following Technologies Required: Appian RDBMS (e.g. Oracle, SQL Server, MySQL/MariaDB) Web services, Integrations and Middleware (e.g., RESTful/SOAP, Mule/IIB/Fusion) Experience Working In The Following Areas Is A PLUS: Cloud Computing/IaaS (e.g., AWS, Azure, Google Cloud) Authentication (e.g., SAML, Kerberos, OAuth, LDAP) Data management and data visualization/BI DevSecOps and/or Configuration Management ## Description Groundswell is looking for experienced Senior Appian Developer Consultants to provide integrated architecture support for our delivery teams and act as a trusted advisor to our clients. Senior Appian Consultants help scale our business by providing expert guidance on solution delivery and designing and integrating cutting-edge Appian solutions into our client's architecture. Architects mentor our delivery teams on best practices for advanced technical solutions and platform design and implement internal processes and tools to improve the efficiencies of the business., Lead implementation teams through complex technical solutions with Appian and tangential technologies Supports design, development, and test activities Guide clients on architecture design, configuration management, DevSecOps, and other program initiatives as needed to drive technical success Ensure solutions are built for scale and performance Create and document implementation best practices as well as knowledge base articles for internal enablement Provide thought leadership on process improvement Support internal solutions, infrastructure, and tools Mentorship, training, and enablement of resources