Sr Appian Platform Engineer / Architect

Leidos Holding • $131K — $237K *
Alexandria, VA 22304In-Person
Information Technology
11 - 15 years of experience
Today
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Job Overview by Ladders

Qualifications

  • Bachelor's degree with 12+ years experience or Master's with 10+ years; equivalent experience accepted in lieu of a degree.
  • 5+ years of hands-on Appian development and architecture experience.
  • Experience leading enterprise-scale Appian implementations.
  • Familiarity with at least one additional low-code/no-code platform such as Microsoft Power Platform, ServiceNow, or Salesforce.
  • Experience integrating low-code platforms with enterprise systems and cloud services.

Responsibilities

  • Lead architecture, design, and implementation of Appian-based enterprise applications.
  • Define platform standards, governance, and development best practices.
  • Design and implement workflow automation and case management solutions.
  • Collaborate with stakeholders to translate business requirements into scalable solutions.
  • Architect integrations with enterprise systems using APIs and cloud services.
  • Provide technical leadership and mentorship to development teams.
  • Establish CI/CD pipelines and DevSecOps practices for low-code platforms.

Benefits

  • Engaging in high-impact cloud modernization initiatives with the USCG.
  • Opportunity to lead the design and implementation of enterprise solutions.
  • Collaboration with diverse teams to influence digital transformation.
  • Exposure to a variety of low-code and no-code technologies.
  • Possibility to define enterprise low-code strategy and governance.
Full Job Description

​Primary Responsibilities:

​The Digital Modernization Sector at Leidos is seeking a dynamicSrAppianPlatform Engineer / Architectto support cloud modernization initiatives for theUnited States Coast Guard (USCG)atCommand, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VAarea.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.

​AstheSrAppian Platform Engineer / Architect, you will lead the design, development, integration, and modernization of enterprise workflow and business process automation solutions. The ideal candidate willpossessdeep expertisein the Appian low-code platformalong with hands-on experience in other low-code/no-code technologiessuch 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 oneadditionallow-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. 

Original Posting:
June 10, 2026

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.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

Internship Programs

For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

Benefits and Culture

Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

Join the Team

Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

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Prepare for Your Interview

To prepare for an interview at Leidos Holding, candidates should familiarize themselves with the company's missions and values, update their resumes, and be ready to discuss how their background and skills align with the position they are applying for.

Networking and Career Advancement

Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

Explore Leidos Holding Jobs and Careers

Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

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