Senior Network Engineer

MGT Impact Solutions is seeking a qualified candidate to serve as a Senior Network Engineer / Architect for one of its technology clients. The successful candidate will be an MGT employee contracted to an MGT client.

The role is a full-time position (40 hours per week) contracted through the end of July 2027, with the possibility of extension. The position is primarily remote; proximity to Tampa, New York City, or Dallas for occasional onsite work is preferred.

• Lead complex service-provider and data-center network projects from initial requirements and architecture through production deployment.
• Design and document scalable network solutions, including detailed low-level designs.
• Support VIP customer escalations and serve as part of the escalation rotation.
• Manage project deliverables, milestones, priorities, and status with minimal supervision.
• Communicate network designs, project status, risks, and incidents clearly to technical and nontechnical audiences.
• Support scheduled evening or weekend cutovers and maintenance activities when required.
• Contribute technical expertise through design reviews, knowledge sharing, and collaboration with the engineering team.

• Design service-provider and data-center networks using eBGP, iBGP, IS-IS, VXLAN/EVPN, IPv4, IPv6, MPLS, Segment Routing, and VRFs.
• Develop BGP policies using route reflectors, communities, local preference, MED, AS-path manipulation, and prefix filtering.
• Design VXLAN/EVPN solutions incorporating L2
  
  VNI, L3
  
  VNI, symmetric IRB, ARP suppression, EVPN multihoming, and inter-VRF route leaking.
• Develop IP-addressing strategies, BGP community policies, capacity plans, traffic-matrix analyses, and ECMP validation procedures.
• Configure and troubleshoot Arista EOS and Juniper Junos platforms in mixed-vendor environments.
• Design and support network security controls, including RPKI/ROA validation, BGP security, ACLs, CoPP, control-plane protection, and DDoS mitigation architecture.
• Evaluate transceivers, DWDM and coherent optics, DOM/DDM data, structured fiber cabling, patch panels, and cable-plant documentation.
• Validate all proposed changes in laboratory or staging environments before production deployment.
• Prepare and execute test plans, cutover runbooks, rollback procedures, and practical change-management documentation.
• Produce and maintain topology diagrams, low-level designs, post-deployment documentation, and post-incident root-cause analyses.
• Maintain accurate project and technical documentation in Jira and Confluence.
• Work with vendors and third-party providers to resolve complex technical issues and escalations.

• Advanced knowledge of service-provider and data-center network architecture.
• Expert-level understanding of BGP, IS-IS, VXLAN/EVPN, IPv6, MPLS, traffic engineering, and Segment Routing.
• Strong hands-on proficiency with Arista 7000-series platforms, including the 7280, 7500, and 7800 series, and Arista Cloud Vision.
• Strong hands-on proficiency with Juniper QFX, MX, and PTX platforms, including Junos troubleshooting and commit/rollback procedures.
• Demonstrated ability to work interchangeably across Arista EOS and Juniper Junos environments.
• Deep understanding of optical networking, fiber infrastructure, structured cabling, and physical-layer troubleshooting.
• Knowledge of RPKI/ROA, MANRS practices, route-hijack prevention, DDoS architecture, and network control-plane security.
• Strong technical writing, documentation, analytical, troubleshooting, and communication skills.
• Ability to translate complex network architecture and incident information into audience-appropriate language.
• Ability to manage multiple concurrent projects and changing priorities while working independently.
• Education and certifications are not specifically required; demonstrated senior-level hands-on ability and equivalent professional experience are essential.
• JNCIE-SP, JNCIP-DC, CCIE Routing and Switching/Service Provider, or Arista ACE-L3 certification is preferred.

• Availability to work a flexible schedule and meet commitments during aggressive or time-sensitive delivery periods.
• Av…