Sr. Appian Systems Administrator

Description

Join us in transforming how technology serves those who serve.

At Leidos,we'renot just delivering solutions
-we'repioneering 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.

The Digital Modernization Sector at Leidos is seeking a dynamic SrAppian System Administrator
to support cloud modernization initiatives for the United States Coast Guard (USCG)at Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5

ISC) 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.

Asthe Appian System Administrator, you willhavestrongexpertisein
Appian platform administration
. This role also includes responsibilitytosupport the administration, maintenance, optimization, and governance of enterprise low-code/no-code platforms.

The ideal candidate willalsohaveexperience supporting or integrating other low-code/no-code solutions such asService

Now, Microsoft Power Platform, Pega, Salesforce,Out Systems,Mendix, or similar platforms.

• Administer andmaintainthe
  Appian platform
  across development, test, staging, and production environments.
• Manage Appian upgrades, patches, deployments, backups, and disaster recovery processes.
• Configure and maintain:
  • User access and security roles
  • Authentication (SSO, LDAP, SAML, OAuth)
  • Infrastructure and environment settings
  • Monitoring and alerting
• Troubleshoot platform issues, performance bottlenecks, and integration failures.
• Support CI/CD processes and deployment automation for Appian applications.
• Collaborate with developers, architects, infrastructure teams, and business stakeholders.
• Establish and enforce governance standards, operational procedures, and best practices.
• Monitor system health, capacity planning, and platform performance metrics.
• Support integrations with enterprise systems, APIs, databases, and cloud services.
• Participate in platform modernization and low-code/no-code strategy initiatives.
• Provide administration and operational support foradditionalallow-code/no-code platforms where applicable.

• Requires BS and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience, additional years of experience will be accepted in lieu of a degree.
• 3+ years of experience administering and supporting Appian platforms in enterprise environments.
• Strong knowledge of:
  • Appian platform architecture and components
  • Environment administration and platform health monitoring
  • Application migration and deployment processes across development, test, and production environments
  • Security administration, user provisioning, and role-based access controls
  • Appian platform upgrades, patching, maintenance, and high-availability configurations
• Experience supporting at least one additional low-code/no-code platform, such as:
  • Microsoft Power Platform
  • Service Now
  • Pega
  • Salesforce Platform
  • Ui Path
• Experience troubleshooting and resolving platform, application, and integration issues within production environments.
• Familiarity with:
  • Windows and/or Linux server administration
  • Cloud environments such as AWS, Azure, or Google Cloud Platform (GCP)
  • SQL databases and database connectivity
  • REST and SOAP APIs
  • Dev Ops practices and CI/CD pipeline tools (e.g., Azure Dev Ops, Jenkins, Git Lab)
• Experience supporting platform security, compliance, patch management, and operational best practices.
• Strong analytical, problem-solving, and troubleshooting skills.
• Excellent verbal and written communication skills, with the ability to effectively document processes, procedures, and technical solutions.
• Ability to work collaboratively across infrastructure, development, cybersecurity, and business stakeholder teams.

• Appian Certified System Administrator certification.
• Experience with containerized or cloud-native deployments.
• Knowledge of infrastructure automation tools.

$92,300.00 - $

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated…