AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission.Our National Security Team supports the intelligence community, providing, operating and assuring critical voice, video and collaboration services for the full spectrum of operations.AT&T has an opening for Tier II Technician to support the client's computer data communications systems, in providing design specifications, testing and inspections for computer networks; plan and implementing upgrades; as well as, analyzing and organizing corresponding hardware and software combined solutions through network modeling.Description of Job Duties/Responsibilities:Support the installation and maintenance of the client's LAN/WAN devices.Respond to and resolve incident tickets.Implement standard network change requests.Provide support to Tier 3 network engineers for incident management and projects (site surveys, coordinate and install new equipment).Coordinate network operations, maintenance, repairs, or upgrades.Perform configuration management functions such as update topology drawings, ensure asset management records are accurate, inventory.Required Clearance: TS/SCI with the ability to obtain/maintain a polygraph. (#polygraph)Required Qualifications: Candidate must have 10 years of experience that can be a combination of work history and education. This equates to a Doctorate and 3 years of experience OR Masters and 4 years, Bachelors and 6 years, Associates and 8 years or HS and 10 years. Must meet DoD 8570 IAT Level 2 certification requirementsDesired Qualifications:Layer 1 and Layer 2 network experience.Knowledge of TCP/IP and OSI model.Working knowledge of layer 2 switching concepts.Working knowledge of basic routing fundamentals.Working knowledge of Layer 3 protocols such as OSPF, BGP, VRRP.Working knowledge of Service Now or similar ITSM products.Ready to join our team? Apply today!