Senior Network Engineer

KellyMitchell Group; Irving (TX); On-site; USD 58,000 - 83,000; Full time

Benefits offered by this job

ESOP

401K offered

Job summary

KellyMitchell Group is seeking a Senior Network Engineer for a 12-month contract based in Irving, TX. The role focuses on maintaining, supporting, and optimizing enterprise network infrastructure with Tier 3 escalation and strong design capabilities.

The ideal candidate will have extensive enterprise networking experience, hands-on troubleshooting skills, and expertise in Cisco, F5, and Juniper environments. Onsite work and a competitive hourly rate are provided.

Qualifications

• 7+ years with large-scale enterprise networks.
• 2+ years in network design, planning, connectivity, migration, and support.
• Proficient with Cisco, F5, and Juniper.
• Strong knowledge of TCP/UDP/STP/HSRP/BGP/OSPF.
• Experience providing Tier 3 technical support.
• Able to implement changes and perform maintenance.
• Excellent written and verbal communication.

Responsibilities

• Design, analyze, diagnose, and resolve complex enterprise network issues.
• Provide Tier 3 technical support for enterprise network infrastructure.
• Troubleshoot incidents, document resolutions, and maintain records.
• Collaborate with vendors and internal teams to maintain network availability.
• Ensure cloud networks are highly available and aligned with business needs.
• Install and configure network hardware in data centers and offices.
• Perform network changes, maintenance, upgrades, and patches with minimal disruption.
• Monitor performance, analyze trends, and support capacity planning.
• Research emerging networking technologies and recommend solutions.
• Develop and maintain accurate network documentation.

Skills

Enterprise networking

Troubleshooting

Documentation

Communication

Education

CCNP or higher (preferred)

Tools

Cisco

F5

Juniper

Job description

Our client, a leading convenience retail and technology organization, is seeking a Senior Network Engineer to join their team. This is a 12-month contract opportunity focused on maintaining, supporting, and optimizing enterprise network infrastructure. The Senior Network Engineer will provide Tier 3 technical support, troubleshoot complex network issues, implement network changes, and ensure the availability, performance, and reliability of enterprise cloud and network environments. The ideal candidate will bring extensive enterprise networking experience, strong troubleshooting skills, and expertise in network design, connectivity, and infrastructure support.

• Contract type and duration: Contract, 12 months (November 4, 2026 – November 4, 2027)
• Work location: Irving, TX

Core Responsibilities

• Design, analyze, diagnose, and resolve complex enterprise network issues
• Provide Tier 3 technical support for enterprise network infrastructure
• Troubleshoot incidents, document resolutions, and maintain detailed records in ticketing systems
• Collaborate with third-party vendors and internal teams to maintain network availability and resolve technical issues
• Ensure enterprise cloud networks are architecturally sound, highly available, and aligned with business requirements
• Install, configure, and implement network hardware and cabling in data centers and corporate offices
• Perform approved network changes, maintenance, upgrades, patches, and service updates while minimizing business disruption
• Monitor network performance, analyze trends, and support capacity planning across LAN, WLAN, MAN, and WAN environments
• Research emerging networking technologies and recommend solutions based on business needs and industry best practices
• Develop and maintain accurate network documentation and escal…?

Required Skills/Experience (Must-Haves)

• 7+ years of experience managing and supporting large-scale enterprise networks
• 2+ years of experience in network design, planning, connectivity, migration, and support
• Strong knowledge of enterprise networking technologies, including Cisco, F5, and Juniper
• In-depth understanding of network protocols, including TCP, UDP, STP, HSRP, BGP, and OSPF
• Experience troubleshooting complex network issues and providing Tier 3 technical support
• Ability to implement network changes, perform infrastructure maintenance, and support network upgrades
• Strong analytical, organizational, documentation, and communication skills

Preferred Skills/Experience (Nice-to-Haves)

• University degree in Information Technology or a related field
• CCNP or higher networking certification, such as CCIE, JNCIS, or JNCIP
• Experience supporting enterprise cloud network environments and high-availability infrastructure
• Experience with data center networking and corporate network infrastructure
• Background in retail, fuel operations, or supply chain environments
• Experience collaborating with third-party vendors to resolve network issues
• Familiarity with network performance monitoring, trending, and capacity planning
• Ability to diagnose complex network issues and develop effective technical solutions
• Commitment to providing responsive, high-quality technical support to internal teams and external clients
• Ability to work effectively with cross-functional teams and third-party vendors
• Ability to manage incidents, document resolutions, and elevate issues appropriately
• Strong organizational and time management skills with a focus on network reliability and minimal business disruption
• Ability to support after-hours changes, maintenance activities, and on-call requirements as needed
• Location: Irving, TX
• Work arrangement: Onsite
• Onsite expectations: Five days per week at the Irving office
• Schedule: Full-time, with occasional after-hours support, nights, weekends, and participation in an on-call rotation as needed
• Pay Range: The approximate pay range for this position is between $42.00 and $60.00 per hour. Please note that the pay range provided is a good faith estimate. Final compensation may vary based on factors including but not limited to background, knowledge, skills, and location. We comply with local wage minimums
• Employee-Owned Profit Sharing (ESOP)
• 401K offered

About KellyMitchell

At KellyMitchell, our culture is world class. We're movers and shakers! We don't mind a bit of friendly competition, and we reward hard work with unlimited potential for growth. This is an exciting opportunity to join a company known for innovative solutions and unsurpassed customer service. We're passionate about helping companies solve their biggest IT staffing & project solutions challenges. As an employee-owned, women-led organization serving Fortune 500 companies nationwide, we deliver expert service at a moment's notice.