IT Infrastructure Support Specialist w/Poly

BigBear.ai
United States, Maryland, Columbia
Jan 19, 2026
Overview BigBear.ai is seeking an IT Infrastructure Support Specialist to provide support for an existing Operations Center managing a suite of Identity, Credential, and Access Management (ICAM) systems. In this role, you will monitor ICAM systems and provide Tier 1 and Tier 2 support, assisting customers with integration and troubleshooting issues related to Enterprise and IC Attribute and Authorization services. You will work in a dynamic environment, leveraging your analytical skills to resolve complex technical issues and ensure the smooth operation of critical IT infrastructure. What you will do Monitor and maintain critical IT infrastructure systems, including servers, storage, and network components. Provide Tier 2 support for ICAM systems in a 24x7 Operations Center environment. Assist customers reporting issues with Enterprise and IC Attribute and Authorization services. Analyze, troubleshoot, and resolve complex technical issues related to Public Key Infrastructure (PKI), attribute services, authorization services, and entitlement services. Document technical procedures and maintain configuration management. Use JIRA for ticket management and provide support via email, chat, and phone. What you need to have Education & Experience: Bachelor's degree in System Engineering, Computer Science, Information Systems, or a related field, plus 7 years of relevant experience. Clearance: TS/SCI with Polygraph (required). Technical Skills: Experience with Public Key Infrastructure (PKI), Attribute-Based Access Control (ABAC), and Entitlements Management. Knowledge of LDAP directories, SQL, and RESTful services. Experience with ticket tracking systems (e.g., JIRA, Redmine, ServiceNow). Soft Skills: Strong analytical thinking skills and the ability to solve difficult problems independently. What we'd like you to have Experience with UNIX systems is preferred. About BigBear.ai BigBear.ai is a leading provider of AI-powered decision intelligence solutions for national security, supply chain management, and digital identity. Customers and partners rely on Bigbear.ai's predictive analytics capabilities in highly complex, distributed, mission-based operating environments. Headquartered in McLean, Virginia, BigBear.ai is a public company traded on the NYSE under the symbol BBAI. For more information, visit https://bigbear.ai/ and follow BigBear.ai on LinkedIn: @BigBear.ai and X: @BigBearai. BigBear.ai is an Equal opportunity employer all protected groups, including protected veterans and individuals with disabilities.