ManTech seeks a motivated and customer-focused Senior Information Security Analyst to join our team in Chantilly, VA. This opportunity is part of a TIER 1 Identity and Access Management program, supporting cybersecurity operations in a dynamic environment. You will provide essential Tier 1 support for access and credentialing issues, ensuring seamless identity services and customer satisfaction. Responsibilities include but are not limited to:Supporting a team at a government site to process DEERS PII changes, CAC and token issuance, Retired Military ID services, PIN resets, and Helpdesk supportProviding Tier 1 support for Identity, Access, and Credentialing within a customer-facing service desk environmentResolving ServiceNow and JIRA tickets involving access, credentials, and identity issuesOffering input on project deliverables and reports as neededMaintaining flexibility to work shifts scheduled between 6:00 AM ET and 5:00 PM ET Minimum Qualifications:Bachelor’s degree or an additional 4+ years of relevant experience in a customer support or service desk role5+ years of experience in IT customer service support environmentsStrong troubleshooting skills to diagnose and resolve user issuesFoundational understanding of Public Key Infrastructure (PKI)Experience handling Personally Identifiable Information (PII)Proficiency with Microsoft Word, Excel, and SharePoint Preferred Qualifications:Experience in cybersecurity-related roles or disciplinesFamiliarity with Department of Defense (DoD) work environmentsHands-on experience using ticketing systems such as JIRA and ServiceNowGeneral knowledge of Identity, Access, and Credentialing services Clearance Requirements:Must have a current/active TS/SCI with Polygraph. Physical Requirements:The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.