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Senior Network Engineer

LocationDallas, TX, USA
Work TypeContract/Temp
Positions1 Position
Published At:3 days ago
  • Senior Network Engineer
  • CCNA
  • Cisco WebEx
  • Cisco Network
Job no: 883NF

This position is remote but must live in the Dallas Fort Worth area.

Senior Network Engineer

3 Month extending contract (with conversion opportunity)


Position Summary

The Senior Network Engineer is responsible for the design, implementation, administration, and support of the enterprise network infrastructure including LAN, WAN, WLAN, VoIP (Webex, Zoom, MS Teams) and SD-WAN. Supporting over 400+ branch offices and 2 geographically dispersed datacenters, this role ensures secure, reliable, and high-performing connectivity across the enterprise.

This position involves a blend of datacenter work (25%) including hardware installs, and advanced troubleshooting remote office projects (75%), such as SD-WAN deployments, upgrades, lifecycle refresh projects, acquisition integrations, and voice/collaboration rollouts.

Skills/Experience

  • Expert in configuring/troubleshooting Cisco routers, switches and firewalls (ASA, FTD).
  • Proficient in Meraki SD-WAN, VPN technologies, and branch connectivity.
  • In-depth knowledge of routing/switching protocols: TCP/IP, OSPF, BGP, EtherChannel, 802.1Q, STP.
  • Strong knowledge of VRF, route leaking, redistribution, ACL/prefix-list management.
  • Skilled in packet capture and traffic analysis using Wireshark, tcpdump, or equivalent tools.
  • Experience with wireless networking, NAC systems (ISE, Forescout), and identify-based access control.
  • Bonus skills: VXLAN, Cisco ACI, VMware NSX, or equivalent SDN platforms.
  • Strong interpersonal and written communication skills, able to work with both technical and business stakeholders.
  • Team-oriented with a proactive, ownership-driven approach to problem solving.
  • Excellent time management and multitasking skills in a fast-paced environment.
  • Quick learner with adaptability to emerging technologies and shifting business needs.

Required Skills

  • 5 – 10 years of hands-on experience in Cisco enterprise network environments.
  • Required certifications: CCNA or CCNP (CCIE preferred).
  • Strong experience with Cisco Meraki SD-WAN and branch connectivity.
  • Demonstrated experience supporting network integration during acquisitions (due diligence, migration planning, cutovers).
  • Proven ability in datacenter environments, including hardware installs, migrations, and troubleshooting (25% of the role).
  • Expertise with remote office SD-WAN projects, acquisition integrations, voice/collaboration rollouts, and troubleshooting (75% of the role).
  • Familiarity with Cisco Webex phones, SIP-based PBX systems, and VoIP troubleshooting.
  • Ability to independently manage multiple projects and escalate issues effectively.
  • Available for after-hours and weekend work as needed.
  • Nice to have: experience with VXLAN/SDN concepts (Cisco ACI, VMware NSX, or similar) for scalable, multi-tenant datacenter networking.

Pay Rate: $64.00 - $74.00/hourly


nextSource is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, marital status, parental status, cultural background, organizational level, work styles, tenure, and life experiences or for any other reason.

nextSource is committed to providing reasonable accommodation for qualified individuals with disabilities in our job application procedures. If you need assistance or accommodation due to a disability, you may contact us at talent@nextSource.com.

What nextSource Provides:

  • Healthcare Benefits including Medical, Prescription, Vision & Dental Coverage | United Healthcare
  • Voluntary STD & LTD | New York Life
  • 401(k) Retirement Planning | Fidelity
  • Discount Program

*You are Eligible to participate in the benefits program if you are considered a full-time employee of nextSource, working at least 30 hours per week on a consistent basis. Your coverage will be effective on the 1st of the month following 60 days of employment. 

  • Published on 19 Sep 2025, 12:10 AM