May 17, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
The ideal candidate will have strong experience in UAT and production support, test environment coordination, and application/infrastructure operations and a proven ability to prepare and maintain UAT environments, coordinate multi-team releases, and ensure reliable deployments. With delivery centers and offices across North America and India, we take pride in building long-term relationships and delivering excellence through innovation, collaboration, and integrity.
Richardson, TX30+ days ago
Support Roaming and Wholesale teams in the implementation of new roaming agreements, with particular focus on VoLTE and VoNR roaming, including configuration support, IREG testing, and fault resolution during commercial launch of service. Projects:Work with Solution Architects to turn solutions designed for wholesale customers into High Level Design (HLD) documentation. The role focuses on the day-to-day operation, troubleshooting and optimization of the IMS platforms and interconnections . Operational ownership of IMS infrastructure components, including lifecycle management, configuration, software upgrades, vendor coordination, capacity planning, and fault resolution.
p>Systems Security: Support enterprise IAM solutions that collectively deliver single sign-on (SSO), multifactor authentication (MFA), identity governance and administration, and privileged access management for all types of identities, including on-premises, hybrid, cloud-only, non-human (service accounts), and application-based credentials (API keys, tokens).
Design and implement identity and access controls for AI agents and non-human identities (service accounts, bots, APIs, workloads), including lifecycle management, secrets management, least-privilege roles, and monitoring of machine-to-machine access in alignment with Zero Trust principles.
p/>Join the fun and follow us on social media to see what's happening at our company, and don't forget to connect with us on Lennar: Overview | LinkedIn<https://www.linkedin.com/company/lennar/> for the latest job opportunities.
Lennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners, Communities, and Associates by building quality homes and providing exceptional customer service, giving back to the communities in which we work and live in, and fostering a culture of opportunity and growth for our Associates throughout their career.
Grapevine, TX30+ days ago
5+ years of experience in Platform Engineering or Software Development (Python or Go) with Bachelors in related field; OR 3 years relevant experience with Masters in related field; OR High School Diploma or equivalent and 9 years relevant experience. When extending an offer, Enlighten takes a variety of factors into consideration which include, but are not limited to, the role's function, internal equity and a candidate's education or training, work experience, certifications and key skills.
p/>Join the fun and follow us on social media to see what's happening at our company, and don't forget to connect with us on Lennar: Overview | LinkedIn<https://www.linkedin.com/company/lennar/> for the latest job opportunities.
Lennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners, Communities, and Associates by building quality homes and providing exceptional customer service, giving back to the communities in which we work and live in, and fostering a culture of opportunity and growth for our Associates throughout their career.
Arlington, TX30+ days ago
Effectively communicate with management and non-technical personnel on any technology issue to ensure they understand the nature of the issue and current statue easily understood on any outage conference calls. Advanced understanding of network services and networks protocols (to include but not limited to): BGP, OSPF, EIGRP, HSRP, VRRP, VRF, VTP, DHCP, DNS.
Richardson, TX30+ days ago
In-depth knowledge of mobile voice and data core network architecture (including MNO and MVNO / MVNE infrastructure architecture) as well as network topology, including ability to describe the key elements of a mobile network and understand how the components function and interact as well as how mobile calls are made and received and how mobile data sessions work both in VoLTE and VoNR environments. Responsibilities:Core Network Design, Deployment and Management:Design, deploy, operate, and maintain 5G Core Network (5GC) components including AMF, SMF, UPF, NRF, PCF, AUSF, and UDM across both SA and NSA deployments.
This role requires collaboration across teams to deliver secure, scalable, and high-quality data solutions that drive business intelligence and operational efficiency. We are looking for an experienced AWS Data Engineer with strong expertise in ETL, cloud migration, and large-scale data engineering.
This role requires collaboration across teams to deliver secure, scalable, and high-quality data solutions that drive business intelligence and operational efficiency. We are looking for an experienced AWS Data Engineer with strong expertise in ETL, cloud migration, and large-scale data engineering.
p/>Join the fun and follow us on social media to see what's happening at our company, and don't forget to connect with us on Lennar: Overview | LinkedIn<https://www.linkedin.com/company/lennar/> for the latest job opportunities.
Lennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners, Communities, and Associates by building quality homes and providing exceptional customer service, giving back to the communities in which we work and live in, and fostering a culture of opportunity and growth for our Associates throughout their career.