We are seeking an experienced Senior Network and Computer Systems Administrator to lead the administration, security, and optimization of the USCIS enterprise IT infrastructure. This role is critical in ensuring the availability, performance, scalability, and security of mission-critical network and systems services used to support USCIS operations nationwide. As a senior-level administrator, you will provide technical leadership and oversight of the network and server environments, support modernization initiatives, guide junior administrators, and ensure compliance with federal cybersecurity and IT governance frameworks. Position is contingent upon contract award.