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Sr. Tier III O&M Engineer

📍 Location
remote
⏰ Job Type
Full-time
📅 Posted
July 09, 2026

About the Role

The Digital Modernization Sector at Leidos is seeking a Sr. Tier III operations and maintenance (O&M) engineer to support various WAN and LAN networks.

Description of Job Duties/Responsibilities

  • Support operations and maintenance activities and administer networks including LAN and WAN technologies such as OSPF, BGP, VRF’s, VLAN’s, VRRP, MPLS.

  • Monitor the performance of systems and networks

  • Configure, and test hardware, networking software and operating system software

  • Review user requests for upgrades or additions to the network to assess impact on network performance and provide advice and guidance on the most practical technical approach to meeting user requirements

  • Perform long term O&M activities to include tier 3 troubleshooting and problem resolution

  • Prepare troubleshooting procedures for restoring the network to optimal ...

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