Appian System Administrator - Clearance Required

Overview

LMI is seeking an experienced Appian System Administrator to support Army CPE, ES2, AT&R in the sustainment and enhancement of the Army Contract Writing System (ACWS). ACWS is built on the Appian Platform. The Appian System Administrator will support platform configuration, environment operations, application deployments, access administration, monitoring, troubleshooting, and system reliability across ACWS environments.

LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.

Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value. Responsibilities:

The ideal candidate combines strong Appian platform knowledge with practical systems administration, integration, performance, and security experience and will work closely with developers, solution architects, DevSecOps engineers, database administrators, information assurance personnel, and functional stakeholders.

• Administer and maintain Appian Platform environments supporting ACWS application development, testing, staging, and production operations.
• Perform Appian application deployments, configuration changes, environment promotions, and release support in accordance with approved procedures.
• Manage Appian users, groups, roles, permissions, service accounts, and access-related configuration in coordination with security and program policies.