Senior Network Administrator

Senior Network AdministratorCORTEK is seeking a Senior Network Administrator to provide Network Operations (NetOps) support for the Bureau of Medicine and Surgery (BUMED) Headquarters. The Senior Network Administrator will be responsible for the maintenance, configuration, and security of all virtual network components and appliances. This role requires an expert-level understanding of network architecture and security policies within a DoD environment to ensure optimal performance and operational reliability.Key Responsibilities:Provide senior-level Network Operations (NetOps) support, including maintenance and configuration of the external security stack, routers, switches, hubs, and firewalls.Manage and coordinate all network requirements and changes to the Med-COI zone architecture via Ports, Protocols, and Services (PPS) requests.Ensure local site resources are Security Technical Implementation Guide (STIG) compliant and manage changes through a local Configuration Control Board (CCB).Continually assess, reconfigure, and/or deploy systems to optimize performance and accommodate changes to network architecture or security policies.Provide local Tier 1 on-site support for Local Core Infrastructure (LCI).Assist the local Information System Security Officer/Manager (ISSO/ISSM) with documentation and implementation to support the Risk Management Framework (RMF) ATO process.Coordinate preventive maintenance and Authorized Scheduled Interruptions (ASI) with the Defense Health Agency (DHA).Maintain operational reliability near 100% for all network equipment.Job Requirements and Experience:Bachelor's degree in computer science or engineering.Ten (10) years of work experience and a mastery level in production network technologies.Required Certifications:CompTIA Security+, Cisco Certified Network Associate (CCNA).Must meet DoD 8570.01-M IAT-III certification requirements.Clearance:Must be a U.S. Citizen.Must possess a minimum of an active Secret security clearance.About CORTEK:Founded in 2003, CORTEK is a distinguished Service-Disabled Veteran-Owned Small Business (SDVOSB) specializing in Chemical, Biological, Radiological, and Nuclear (CBRN) defense, Weapons of Mass Destruction (WMD) terrorism prevention, Counter-WMD (CWMD) support services, and Freedom of Information Act (FOIA)/Privacy Act support. With over a decade of experience, CORTEK has delivered mission-critical solutions to government clients, including the Department of State (DOS), Department of Homeland Security (DHS), Department of Justice (DOJ), and Department of Defense (DoD). Our proven track record includes 12 years of incumbency on DOS contracts supporting WMD threat mitigation and consequence management programs, as well as comprehensive support for the Defense Threat Reduction Agency's (DTRA) technical and strategic objectives across Physical and Biological Sciences, Engineering, Policy, and Operations. Additionally, CORTEK has provided onsite analytical support for the Department of the Army Headquarters (HQDA) at the Pentagon.At CORTEK, relationships are at the heart of what we do. We pride ourselves on our customer-centric approach, leveraging proven management processes to deliver tailored solutions that drive client success. Our focus on excellence, innovation, and competitive value throughout the project management lifecycle makes CORTEK a trusted partner.