Design Engineer - Access; Network Designer III); Government

Position: Design Engineer - Access (Network Designer III) (Government)
## Design Engineer - Access (Network Designer III) (Government)
Apply remote type:
Office Worker (NOT Remote) locations:
Chantilly, Virginia time type:
Full time posted on:
Posted Todaytime left to apply:
End Date:
November 30, 2026 (30+ days left to apply) job requisition :
R-118477AT&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, videoand collaboration services for the full spectrum of operations.
** AT&T has an opening for*
* ** a Design Engineer (Access)
** to support the customer’s various WAN and LAN networks, in providing network design, upgrades and config support to the architecture team; act as subject matter expert in WAN and LAN technologies and vendors; support customer’s intra- and inter- net and other data communications systems or segments of networked system; and by Providing tiered support as required.
** Description of

Job Duties /Responsibilities:
*** This position requires office presence a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. Work to be performed at a government customer site in Chantilly, VA.
* Design and improve overall MPLS network architecture and network services.  Maintain relevant technical documentation.
* Develop secure network designs including configurations that align with Defense Information Security Agency (DISA) Security Technical Implementation Guides (STIGs) and enterprise policies. Obtain Authority to Operate (ATO) for new devices, software, and capabilities.
* Perform lab equipment, software, application, and network services solution evaluation, testing, integration with NMS, and security certification.
* Evaluate new network technologies, solution, and services.
* Interpret customer requirements and apply industry standard design approaches for service delivery. Fully document designs with diagrams, bill of materials, cabling sheets, configurations, ability to brief designs.
* Provide technical expertise to Operations engineers and technicians, supporting fault isolation and resolution. Solve tough problems with innovative and scalable solutions.
* Configuring and troubleshooting Quality of Service (QoS) and traffic optimization to maximize bandwidth usage.
* Support Tier-4 production troubleshooting and develop pro-active network analysis solution of Operation team.  Leverage complex network analysis tools to identify and predict problems in the network and aid in the post-mortem analysis of network anomalies.
** Required Clearance:
** TS/SCI with polygraph. (#ts/sci) (#polygraph)
*
* Required Qualifications:

** Candidate must have 16 years of experience that can be a combination of work history and education. This equates to a Doctorate and 8 years, master’s and 10 years, bachelor’s and 12 years, associates and 14 years or HS diploma and 16 years. Required qualifications include the following:
* Must be compliant with DoD 8140 Information Assurance Technical (IAT) Level 2.
* Juniper certification or training: JNCIA, JNCIP, and JNCIE.
* Experience in developing and implementing methodologies for analysis, testing, and support of CAN/LAN and WAN networks.
* Familiar with firewalls and network timing.
* Experience with network equipment and solution rolls out, as well as engineering documentation.
* Experience with operations and maintenance activities of MPLS networks, MPLS VPN services.
* Experience using complex network analysis tools to identify and correct problems in the network while maintaining logs and records associated with reported problems or situations.
* Knowledge of routing and switching protocols and the ability to demonstrate knowledge through briefings and documentation. Extensive BGP experience a plus.
** Ready to join our team? Apply today!
** Our Design Engineer - Access (Network…