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Updated 2026-06-11 01:00 UTC·© 2025–2026 RoleSuite
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Sr Appian Platform Engineer / Architect

Leidos · Alexandria, VA

​​Join us in transforming how technology serves those who serve. 

​At Leidos, we're not just delivering solutions – we're pioneering the future of defense and intelligence technology. Our diverse teams of innovators unite around a singular purpose: empowering our customers to succeed in their critical missions. We believe in leading with integrity, investing in our communities, and building sustainably for tomorrow. 

​Shape the future of digital defense. 

​Our Digital Modernization sector is at the forefront of next-generation technology, architecting cutting-edge solutions in cyber defense, logistics optimization, security operations, and decision intelligence. We're the minds behind the mission-critical systems that keep our nation secure. 

​Ready to engineer solutions that matter? 

​Primary Responsibilities:

​The Digital Modernization Sector at Leidos is seeking a dynamic Sr Appian Platform Engineer / Architect to support cloud modernization initiatives for the United States Coast Guard (USCG) at Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VA area. This role is part of a high-impact program focused on delivering secure, scalable cloud solutions that enable operational agility and resilience across the USCG enterprise. 

​As the Sr Appian Platform Engineer / Architect, you will lead the design, development, integration, and modernization of enterprise workflow and business process automation solutions. The ideal candidate will possess deep expertise in the Appian low-code platform along with hands-on experience in other low-code/no-code technologies such as ServiceNow, Microsoft Power Platform, Pega, Salesforce, Mendix, OutSystems, or similar enterprise automation platforms. 

​This role requires strong technical leadership, solution architecture skills, and the ability to drive digital transformation initiatives across complex enterprise environments. 

​Key Responsibilities :

  • Lead architecture, design, and implementation of scalable Appian-based enterprise applications.  
  • ​Define platform standards, governance, reusable components, and development best practices.  
  • ​Design and implement workflow automation, case management, integrations, and business process orchestration solutions.  
  • ​Collaborate with business stakeholders, product owners, and technical teams to translate business requirements into scalable technical solutions.  
  • ​Architect integrations with enterprise systems using REST/SOAP APIs, messaging platforms, databases, and cloud services.  
  • ​Provide technical leadership and mentorship to development teams.  
  • ​Establish CI/CD pipelines, DevSecOps practices, and automated deployment strategies for low-code platforms.  
  • ​Evaluate and recommend appropriate low-code/no-code technologies for business use cases.  
  • ​Lead platform modernization and migration initiatives across multiple low-code ecosystems.  
  • ​Ensure solutions comply with security, performance, scalability, and enterprise architecture standards.  
  • ​Support production operations, troubleshooting, performance tuning, and platform optimization.  
  • ​Create architecture documentation, technical roadmaps, and governance frameworks. '

Basic Qualifications:

  • ​​Requires BS and 12+ years of prior relevant experience or Masters with 10+ years of prior relevant experience, additional years of experience will be accepted in lieu of a degree. 
  • 5+ years of hands-on Appian development and architecture experience.  
  • Experience leading enterprise-scale Appian implementations.  ​
  • ​Experience with at least one additional low-code/no-code platform:  
    • Microsoft Power Platform
    • ServiceNow
    • Pega
    • Salesforce Platform
    • UiPath
  • ​Experience integrating low-code platforms with enterprise systems and cloud services. 

Preferred Qualifications: 

​Preferred certifications include one or more of the following 

  • ​Appian Certified System Administrator certification.  
  • ​Appian Certified Lead Developer  
  • ​Appian Certified Senior Developer  
  • ​Appian Certified Architect (preferred)  
  • ​Microsoft Power Platform certifications  
  • ​ServiceNow Certified System Administrator / Architect  

​ 

​Architecture & Leadership Expectations include 

  • ​Ability to define enterprise low-code strategy and governance.  
  • ​Experience establishing platform CoEs (Center of Excellence).  
  • ​Strong understanding of scalable architecture patterns and enterprise integration frameworks.  
  • ​Ability to conduct architecture reviews and enforce technical standards.  
  • ​Experience working in Agile/Scrum and SAFe environments.  
  • ​Strong stakeholder management and executive communication skills. 

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

Original Posting:

June 10, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and 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.

DevOps pay context

Based on 1,231 disclosed DevOps salaries on RoleSuite, the role pays a median of $142K/year, with most offers between $118K and $173K (10th–90th percentile: $100K–$208K).

This posting lists $131K–$237K, above the $142K market median.

See the full DevOps salary breakdown →
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